{"title":"Puresound","description":"\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\" style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid;\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp\u003ePuresound is a British hi-fi brand specialising in valve amplifiers, phono stages and analogue audio equipment designed to deliver a natural, dynamic and highly engaging sound. Founded by audio designer Guy Sergeant, the brand combines traditional valve amplifier principles with carefully engineered power supplies, transformer design and component selection to maximise musical performance and long-term reliability. Puresound products are known for their strong tonal character, spacious presentation and ability to work across a wide range of loudspeakers and systems. At Spinning Room HiFi, Puresound products are available to hear and compare in-store.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"puresound-tenuto-gunmetal-turntable-mat","title":"Puresound Tenuto gunmetal heavy turntable mat","description":"\u003cp\u003eTenuto Gunmetal Turntable Mat\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Tenuto is a precision-machined turntable mat designed to improve vinyl playback by increasing platter stability and reducing unwanted resonance. Made from a dense gunmetal alloy, it provides both mass loading and effective energy dissipation.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• precision-machined gunmetal alloy construction\u003cbr\u003e• optimised surface profile with recessed label area\u003cbr\u003e• high-mass design (2.2kg)\u003cbr\u003e• compatible with a wide range of turntables\u003cbr\u003e• usable with or without a record clamp\u003c\/p\u003e\n\u003cp\u003eDesign and performance:\u003c\/p\u003e\n\u003cp\u003eThe Tenuto mat is machined from a gunmetal copper alloy containing tin and zinc. This material provides a suitable impedance match for vinyl, allowing energy generated by the stylus to be absorbed and dissipated rather than reflected back into the record.\u003c\/p\u003e\n\u003cp\u003eThe revised surface profile features a label recess that sits 1mm lower than the outer edge. This allows the record to sit securely and evenly across the mat, improving contact and stability during playback.\u003c\/p\u003e\n\u003cp\u003eMaterials and construction:\u003c\/p\u003e\n\u003cp\u003e• gunmetal copper alloy (copper, tin, zinc)\u003cbr\u003e• precision-machined surface profile\u003cbr\u003e• dense, rigid structure for maximum stability\u003c\/p\u003e\n\u003cp\u003eThe combination of mass and material properties helps reduce resonance from the platter, particularly in metal designs.\u003c\/p\u003e\n\u003cp\u003eSound characteristics:\u003c\/p\u003e\n\u003cp\u003e• improved damping and reduced resonance\u003cbr\u003e• tighter, more controlled playback\u003cbr\u003e• enhanced clarity and stability\u003cbr\u003e• better energy transfer away from the stylus\u003c\/p\u003e\n\u003cp\u003eThe additional mass increases the rotational stability of the platter, while the material absorbs unwanted vibrations that can affect sound quality.\u003c\/p\u003e\n\u003cp\u003eBuild and compatibility:\u003c\/p\u003e\n\u003cp\u003eThe Tenuto is suitable for a wide range of turntables, including high-mass and direct drive designs. It pairs particularly well with models such as Technics SP-10 Mk2, as well as classic designs from Lenco, Thorens, Dual, and Garrard.\u003c\/p\u003e\n\u003cp\u003eDue to its weight, suspended subchassis turntables may require adjustment to maintain correct suspension and level.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• diameter: 293mm\u003cbr\u003e• thickness: 5mm\u003cbr\u003e• weight: 2.2kg\u003cbr\u003e• material: gunmetal alloy\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThe Tenuto’s high mass and damping characteristics can significantly affect setup. Suspension and tracking should be checked and adjusted where necessary after installation.\u003cbr\u003e\u003c\/p\u003e","brand":"Puresound","offers":[{"title":"Default Title","offer_id":58297878315392,"sku":"PRS-TNT-GNM-TRN","price":394.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200-4_981a59c5-f8f5-484f-a3bc-ebf5e1466368.png?v=1781876736"},{"product_id":"puresound-l10-valve-preamplifier","title":"Puresound L10 valve preamplifier","description":"\u003cp\u003ePuresound L10 Valve Preamplifier\u003c\/p\u003e\n\u003cp\u003eThe L10 is a valve preamplifier that brings much of the design approach of the flagship L300 into a more accessible model. It combines transformer coupling with a fully valve-based power supply to deliver a stable, low-noise and musically engaging performance.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• valve preamplifier\u003cbr\u003e• single-ended triode gain stage\u003cbr\u003e• output transformer coupled design\u003cbr\u003e• 4 x line inputs\u003cbr\u003e• record in \/ record out loop\u003cbr\u003e• 2 x RCA outputs\u003cbr\u003e• motorised film potentiometer volume control\u003cbr\u003e• remote control operation\u003c\/p\u003e\n\u003cp\u003eDesign and performance:\u003c\/p\u003e\n\u003cp\u003eThe L10 uses a single-ended triode amplification stage loaded by a custom wideband output transformer. This transformer steps down the signal to provide a low impedance output, allowing strong compatibility with a wide range of power amplifiers and interconnect lengths.\u003c\/p\u003e\n\u003cp\u003eSource selection is handled by a high-quality switch positioned close to the input sockets, minimising signal path length before the volume control and amplification stage.\u003c\/p\u003e\n\u003cp\u003eMaterials and construction:\u003c\/p\u003e\n\u003cp\u003e• custom-wound wideband output transformers\u003cbr\u003e• motorised film-type potentiometer\u003cbr\u003e• valve rectified power supply\u003cbr\u003e• twin choke filtered LCLC power stage\u003cbr\u003e• fully regulated filament supplies\u003c\/p\u003e\n\u003cp\u003eThe power supply is a key part of the design, using a valve rectifier and twin choke smoothing (LCLC) to provide a stable, low-noise voltage rail. This ensures consistent performance regardless of musical demand.\u003c\/p\u003e\n\u003cp\u003eSound characteristics:\u003c\/p\u003e\n\u003cp\u003e• stable and controlled presentation\u003cbr\u003e• strong dynamics without strain\u003cbr\u003e• low noise floor with good clarity\u003cbr\u003e• consistent performance across varying loads\u003cbr\u003e• smooth, natural tonal balance\u003c\/p\u003e\n\u003cp\u003eThe transformer-coupled output helps maintain signal integrity while ensuring the preamp remains unaffected by cable length or amplifier input impedance.\u003c\/p\u003e\n\u003cp\u003eBuild and usability:\u003c\/p\u003e\n\u003cp\u003eThe L10 includes a dedicated record loop for integration into more complex systems, along with remote-controlled volume for convenience. Its layout prioritises short signal paths and practical usability.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• inputs: 4 x RCA\u003cbr\u003e• outputs: 2 x RCA\u003cbr\u003e• additional: record in \/ record out loop\u003cbr\u003e• volume control: motorised film potentiometer (remote)\u003cbr\u003e• circuit: single-ended triode with transformer output\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThe L10 is designed to offer a balance of traditional valve sound and modern usability, with particular emphasis on power supply stability and output drive capability.\u003cbr\u003e\u003c\/p\u003e","brand":"Puresound","offers":[{"title":"Default Title","offer_id":58297878774144,"sku":"PRS-L10-VLV-PRM","price":2899.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200-1copy_aa78c710-8811-424e-8ef5-e14f8362c81d.png?v=1781876739"},{"product_id":"puresound-l300-valve-based-preamplifier","title":"Puresound L300 valve based Preamplifier","description":"\u003cp\u003ePuresound L300 Valve Preamplifier\u003c\/p\u003e\n\u003cp\u003eThe L300 is Puresound’s flagship valve preamplifier, designed to deliver maximum signal integrity, drive capability, and musical energy. Combining transformer coupling with a highly regulated valve power supply, it offers a refined and controlled presentation without sacrificing dynamics.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• valve preamplifier\u003cbr\u003e• dual triode gain stages (direct-coupled)\u003cbr\u003e• transformer-coupled outputs\u003cbr\u003e• 5 x line inputs\u003cbr\u003e• 2 x RCA outputs and 2 x balanced XLR outputs\u003cbr\u003e• film potentiometer volume control\u003cbr\u003e• fully regulated valve power supply with 300B regulator\u003c\/p\u003e\n\u003cp\u003eDesign and performance:\u003c\/p\u003e\n\u003cp\u003eThe L300 uses two directly coupled triode stages, with the second stage loaded by a custom output transformer. This transformer steps down the signal to provide a low impedance output, ensuring compatibility with long cable runs and a wide range of power amplifiers.\u003c\/p\u003e\n\u003cp\u003eSource selection is handled by a high-quality switch located close to the input sockets, minimising signal path length before the volume control and amplification stages.\u003c\/p\u003e\n\u003cp\u003eUnlike passive attenuators, the L300 maintains drive and energy, avoiding the loss of impact and control often associated with high-impedance volume control designs.\u003c\/p\u003e\n\u003cp\u003eMaterials and construction:\u003c\/p\u003e\n\u003cp\u003e• dual triode amplification stages\u003cbr\u003e• custom output transformers\u003cbr\u003e• high-quality film potentiometer\u003cbr\u003e• valve rectified, choke-smoothed power supply\u003cbr\u003e• 300B triode used as series regulator\u003cbr\u003e• gas reference valve for voltage stability\u003cbr\u003e• fully regulated filament supplies\u003c\/p\u003e\n\u003cp\u003eThe power supply is a central part of the design. A valve rectifier feeds a choke-filtered stage, followed by a regulated supply using a 300B triode as the series pass element. This ensures a stable voltage regardless of mains fluctuations or signal demand.\u003c\/p\u003e\n\u003cp\u003eSound characteristics:\u003c\/p\u003e\n\u003cp\u003e• strong sense of energy and drive\u003cbr\u003e• highly transparent with no added colouration\u003cbr\u003e• stable and controlled across all listening levels\u003cbr\u003e• excellent tonal accuracy and timbre\u003cbr\u003e• consistent performance regardless of system matching\u003c\/p\u003e\n\u003cp\u003eThe L300 avoids excessive negative feedback, preserving natural dynamics and musical flow.\u003c\/p\u003e\n\u003cp\u003eBuild and usability:\u003c\/p\u003e\n\u003cp\u003eThe inclusion of both RCA and true balanced XLR outputs provides flexibility for integration into a wide range of systems. The low output impedance ensures consistent performance with different amplifiers and cable types.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• inputs: 5 x RCA\u003cbr\u003e• outputs: 2 x RCA, 2 x XLR\u003cbr\u003e• circuit: dual triode, direct-coupled, transformer output\u003cbr\u003e• volume control: film potentiometer\u003cbr\u003e• power supply: valve rectified, choke filtered, 300B regulated\u003c\/p\u003e\n\u003cp\u003eBrand and design:\u003c\/p\u003e\n\u003cp\u003ePuresound is a UK-based manufacturer focused on high-performance valve amplification. The L300 is designed by Guy Seargent, whose experience includes work with Audio Innovations, Voyd, Heybrook, JPW, and training in Japan with Audio Note \/ Kondo.\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThe L300 is designed for systems where maintaining signal purity, drive, and dynamic expression is critical. Proper system matching will allow it to perform at its highest level.\u003cbr\u003e\u003c\/p\u003e","brand":"Puresound","offers":[{"title":"Default Title","offer_id":58297878839680,"sku":"PRS-L30-VLV-BSD","price":6349.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200_877fc719-f8d0-44ca-91a2-8c7f5b3cda1d.png?v=1781876740"},{"product_id":"puresound-t10-mc-step-up-transformer","title":"Puresound T10 MC step up transformer","description":"\u003cp\u003ePuresound T10 MC Step-Up Transformer\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe T10 is a moving coil step-up transformer designed to optimise the performance of low-output MC cartridges when used with MM phono stages. Built around custom wideband transformers, it provides flexible loading and high signal integrity without the need for active circuitry.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• step-up transformer (MC to MM)\u003cbr\u003e• dual custom wideband transformers\u003cbr\u003e• Mu-metal core construction\u003cbr\u003e• selectable step-up ratio (1:18 \/ 1:36)\u003cbr\u003e• adjustable cartridge loading\u003cbr\u003e• passive design – no active electronics\u003c\/p\u003e\n\u003cp\u003eDesign and performance:\u003c\/p\u003e\n\u003cp\u003eThe T10 uses two custom-manufactured wideband transformers with Mu-metal cores, chosen for their ability to provide high permeability and low distortion. This ensures efficient signal transfer while preserving the tonal characteristics of the cartridge.\u003c\/p\u003e\n\u003cp\u003eTwo selectable gain ratios allow the transformer to be matched to different cartridges:\u003c\/p\u003e\n\u003cp\u003e• 1:18 ratio\u003cbr\u003e• 1:36 ratio\u003c\/p\u003e\n\u003cp\u003eThese options provide flexibility in cartridge loading, enabling adjustment between approximately 36 and 144 ohms for optimal performance.\u003c\/p\u003e\n\u003cp\u003eMaterials and construction:\u003c\/p\u003e\n\u003cp\u003e• custom wideband transformers\u003cbr\u003e• Mu-metal cores for low noise and high linearity\u003cbr\u003e• precision internal construction for consistent performance\u003c\/p\u003e\n\u003cp\u003eThe use of Mu-metal helps reduce electromagnetic interference while maintaining bandwidth and signal accuracy.\u003c\/p\u003e\n\u003cp\u003eSound characteristics:\u003c\/p\u003e\n\u003cp\u003e• natural and uncoloured presentation\u003cbr\u003e• improved signal level without added noise\u003cbr\u003e• strong preservation of cartridge character\u003cbr\u003e• stable and controlled frequency response\u003c\/p\u003e\n\u003cp\u003eAs a passive device, the T10 introduces no additional active circuitry into the signal path, helping maintain purity and low noise.\u003c\/p\u003e\n\u003cp\u003eBuild and usability:\u003c\/p\u003e\n\u003cp\u003eThe T10 is designed to sit between the turntable and a MM phono stage, providing a straightforward upgrade path for MC cartridge users. The selectable ratios make it adaptable to a range of cartridge outputs and system requirements.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• step-up ratios: 1:18 \/ 1:36\u003cbr\u003e• cartridge loading: approx. 36 – 144 ohms\u003cbr\u003e• transformer type: wideband, Mu-metal core\u003cbr\u003e• configuration: dual transformer (stereo)\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eCorrect matching of step-up ratio and cartridge impedance is important to achieve the best performance from the T10 within a given system.\u003cbr\u003e\u003c\/p\u003e","brand":"Puresound","offers":[{"title":"Default Title","offer_id":58297879069056,"sku":"PRS-T10-MC-STP","price":399.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200copy_5cb797f6-7507-4f04-bbbe-d616e9cf2dbf.png?v=1782129252"},{"product_id":"puresound-p10-value-phono-stage","title":"Puresound P10 valve MM phonostage","description":"\u003cp\u003ePuresound P10 Phono Stage\u003c\/p\u003e\n\u003cp\u003eThe P10 is a valve phono stage designed for listeners who value the strengths of vinyl playback, offering a simple, carefully executed circuit that focuses on stability, accuracy, and musical coherence.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• valve phono stage\u003cbr\u003e• compatible with MM and high-output MC cartridges\u003cbr\u003e• passive RIAA equalisation\u003cbr\u003e• zero negative feedback design\u003cbr\u003e• dual high-voltage rail power supply\u003cbr\u003e• DC filament supply\u003c\/p\u003e\n\u003cp\u003eDesign and performance:\u003c\/p\u003e\n\u003cp\u003eThe P10 uses double triodes in a simple anode follower configuration for its gain stages. This straightforward topology helps preserve signal integrity while maintaining a natural and balanced presentation.\u003c\/p\u003e\n\u003cp\u003eRIAA equalisation is implemented using passive components, ensuring long-term accuracy and avoiding the phase shift often associated with active equalisation circuits.\u003c\/p\u003e\n\u003cp\u003eThe absence of negative feedback contributes to a more open and direct sound, preserving the character and dynamics of the original recording.\u003c\/p\u003e\n\u003cp\u003eMaterials and construction:\u003c\/p\u003e\n\u003cp\u003e• double triode valve amplification\u003cbr\u003e• close tolerance metal film resistors\u003cbr\u003e• polypropylene signal capacitors\u003cbr\u003e• selected valves for consistency\u003cbr\u003e• elaborately filtered HT power supply\u003c\/p\u003e\n\u003cp\u003eThe high-voltage power supply is a key part of the design. After rectification and smoothing, it is split into two heavily decoupled rails, providing independent and stable voltage to each section of the circuit. This contributes to low noise and consistent performance.\u003c\/p\u003e\n\u003cp\u003eSound characteristics:\u003c\/p\u003e\n\u003cp\u003e• stable and composed presentation\u003cbr\u003e• natural tonal balance\u003cbr\u003e• low noise with strong clarity\u003cbr\u003e• controlled and effortless handling of complex material\u003cbr\u003e• good dynamic consistency\u003c\/p\u003e\n\u003cp\u003eThe carefully regulated supply and simple circuit allow the P10 to reproduce demanding recordings with a sense of ease and control.\u003c\/p\u003e\n\u003cp\u003eBuild and usability:\u003c\/p\u003e\n\u003cp\u003eThe P10 provides sufficient output to drive any standard line-level input. For low-output MC cartridges, a step-up transformer such as the Puresound T10 MC Step-Up Transformer is recommended.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• gain: 40dB (x100)\u003cbr\u003e• cartridge compatibility: MM and high-output MC\u003cbr\u003e• circuit: double triode, anode follower\u003cbr\u003e• equalisation: passive RIAA\u003cbr\u003e• filament supply: DC\u003c\/p\u003e\n\u003cp\u003eBrand and design:\u003c\/p\u003e\n\u003cp\u003ePuresound is a UK-based manufacturer focused on delivering high-performance valve audio equipment. The products are designed by Guy Seargent, whose background includes Audio Innovations, Voyd, Heybrook, JPW, and training in Japan with Audio Note \/ Kondo.\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThe P10 is designed for MM and high-output MC cartridges. Low-output MC cartridges will require a suitable step-up device for optimal performance. check out the matching Puresound T10 step up transformer\u003c\/p\u003e","brand":"Puresound","offers":[{"title":"Default Title","offer_id":58297879298432,"sku":"PRS-P10-VL-PHN","price":799.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200_080cb91f-e839-44f6-96b6-51dcde12bff7.png?v=1781876743"},{"product_id":"puresound-2a3-value-integrated-amplifier","title":"Puresound 2a3 integrated tube amplifier","description":"\u003cp\u003ePuresound 2A3 Integrated Valve Amplifier\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Puresound 2A3 is a directly heated triode integrated amplifier designed to deliver the classic valve sound with improved power and control. Using a push-pull 2A3 output stage, it combines tonal richness with greater drive capability than many traditional triode designs.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• integrated valve amplifier\u003cbr\u003e• 2A3 directly heated triode output stage\u003cbr\u003e• push-pull Class A design\u003cbr\u003e• 18W per channel output\u003cbr\u003e• 3 x line inputs\u003cbr\u003e• ALPS “Blue Velvet” volume control\u003cbr\u003e• configurable 4Ω \/ 8Ω speaker outputs\u003cbr\u003e• can be used as a power amplifier\u003c\/p\u003e\n\u003cp\u003eDesign and performance:\u003c\/p\u003e\n\u003cp\u003eThe amplifier is built around the 2A3 triode, a valve known for its linearity and natural tonal character. Unlike lower-powered single-ended designs, the push-pull configuration here provides increased output and better speaker control while retaining the signature triode sound.\u003c\/p\u003e\n\u003cp\u003eA choke-loaded driver stage allows the 6SN7 valves to deliver a full and stable signal to the output stage. This approach improves tonal depth and dynamic expression, giving instruments a strong sense of body and presence.\u003c\/p\u003e\n\u003cp\u003eMaterials and construction:\u003c\/p\u003e\n\u003cp\u003e• 2A3 output valves\u003cbr\u003e• 6SN7 driver valves\u003cbr\u003e• twin valve rectifiers\u003cbr\u003e• choke-smoothed power supply\u003cbr\u003e• SCR polypropylene capacitors\u003cbr\u003e• selected carbon film resistors\u003c\/p\u003e\n\u003cp\u003eThe power supply uses twin valve rectifiers with choke smoothing, helping to maintain stability and reduce noise under varying signal demands.\u003c\/p\u003e\n\u003cp\u003eSound characteristics:\u003c\/p\u003e\n\u003cp\u003e• rich, holographic soundstage\u003cbr\u003e• strong midrange presence with natural tone\u003cbr\u003e• improved bass control compared to typical triode designs\u003cbr\u003e• high level of detail and texture\u003cbr\u003e• engaging, immersive presentation\u003c\/p\u003e\n\u003cp\u003eThe 2A3 design is known for its ability to preserve musical structure and emotion, offering a highly involving listening experience.\u003c\/p\u003e\n\u003cp\u003eBuild and usability:\u003c\/p\u003e\n\u003cp\u003eThe amplifier includes three line inputs for system flexibility and uses a high-quality ALPS Blue Velvet potentiometer for volume control. It can also function as a standalone power amplifier when the volume is set to maximum.\u003c\/p\u003e\n\u003cp\u003eA protective valve cage is included for safety where required.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• power output: 18W per channel\u003cbr\u003e• output valves: 2A3 (push-pull)\u003cbr\u003e• driver valves: 6SN7\u003cbr\u003e• inputs: 3 x RCA\u003cbr\u003e• speaker outputs: 4Ω \/ 8Ω selectable\u003c\/p\u003e\n\u003cp\u003eBrand and design:\u003c\/p\u003e\n\u003cp\u003ePuresound is a UK-based manufacturer focused on delivering high-performance valve amplification. The amplifier is designed by Guy Seargent, whose experience spans Audio Innovations, Voyd, Heybrook, JPW, and training in Japan with Audio Note \/ Kondo.\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThe Puresound 2A3 is best suited to medium to high sensitivity loudspeakers (around 88dB and above) to achieve optimal performance.\u003cbr\u003e\u003c\/p\u003e","brand":"Puresound","offers":[{"title":"Default Title","offer_id":58297879527808,"sku":"PRS-2A3-VL-NTG","price":2699.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200-1_a2f697d5-b9cb-45f3-b24f-a5c5f8c93eea.png?v=1781876745"},{"product_id":"puresound-a30r-integrated-valve-amplifier","title":"Puresound A30r integrated tube amplifier","description":"\u003cp\u003ePuresound A30R Integrated Valve Amplifier\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe A30R is a Class A integrated valve amplifier designed to deliver strong performance across a wide range of loudspeakers. Using a push-pull 6550 output stage, it combines power, clarity, and reliability in a straightforward, well-executed design.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• integrated valve amplifier\u003cbr\u003e• Class A operation\u003cbr\u003e• 6550 (KT88-type) output valves\u003cbr\u003e• ultra-linear push-pull output stage\u003cbr\u003e• 30W per channel\u003cbr\u003e• 3 line inputs\u003cbr\u003e• ALPS “Blue Velvet” motorised volume control\u003cbr\u003e• remote control operation\u003cbr\u003e• selectable 4Ω \/ 8Ω outputs\u003cbr\u003e• triode mode switch\u003c\/p\u003e\n\u003cp\u003eDesign and performance:\u003c\/p\u003e\n\u003cp\u003eThe A30R operates fully in Class A up to its rated output, avoiding the crossover distortion associated with Class AB designs. This results in a more consistent and natural sound across all listening levels.\u003c\/p\u003e\n\u003cp\u003eThe output stage uses Electro-Harmonix 6550 valves in an ultra-linear push-pull configuration, delivering a balance of power and clarity. A switchable triode mode is also available, reducing output power but increasing linearity, which can be beneficial with more sensitive loudspeakers.\u003c\/p\u003e\n\u003cp\u003eAn auto-bias system simplifies maintenance, allowing output valves to be replaced without manual adjustment.\u003c\/p\u003e\n\u003cp\u003eMaterials and construction:\u003c\/p\u003e\n\u003cp\u003e• Electro-Harmonix 6550 output valves\u003cbr\u003e• twin valve rectifiers\u003cbr\u003e• choke-smoothed power supply\u003cbr\u003e• twin power transformers\u003cbr\u003e• SCR polypropylene capacitors\u003cbr\u003e• selected carbon film resistors\u003cbr\u003e• wide bandwidth output transformers\u003c\/p\u003e\n\u003cp\u003eThe power supply uses valve rectification and choke smoothing to reduce noise and maintain low impedance, while the output transformers are designed for extended bandwidth and strong low-frequency control.\u003c\/p\u003e\n\u003cp\u003eSound characteristics:\u003c\/p\u003e\n\u003cp\u003e• clean, stable Class A presentation\u003cbr\u003e• strong bass control and extension\u003cbr\u003e• clear and open midrange\u003cbr\u003e• consistent tonal balance at all levels\u003cbr\u003e• good scale and dynamic capability\u003c\/p\u003e\n\u003cp\u003eThe A30R is designed to offer the benefits of valve amplification without the limitations of low-powered SET designs.\u003c\/p\u003e\n\u003cp\u003eBuild and usability:\u003c\/p\u003e\n\u003cp\u003eThe amplifier includes a motorised ALPS volume control with remote operation, along with multiple inputs for system flexibility. It can also be used as a power amplifier by setting the volume to maximum.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• power output: 30W per channel (Class A)\u003cbr\u003e• output valves: 6550 (push-pull)\u003cbr\u003e• inputs: 3 x RCA\u003cbr\u003e• speaker outputs: 4Ω \/ 8Ω\u003cbr\u003e• operation modes: ultra-linear \/ triode\u003cbr\u003e• bias: auto-bias\u003c\/p\u003e\n\u003cp\u003eBrand and design:\u003c\/p\u003e\n\u003cp\u003ePuresound is a UK-based manufacturer focused on high-performance valve amplification. The amplifier is designed by Guy Seargent, whose experience includes Audio Innovations, Voyd, Heybrook, JPW, and training in Japan with Audio Note \/ Kondo.\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThe A30R is well suited to loudspeakers in the 86dB or more sensitivity range, offering a strong balance of power and refinement without the need for highly efficient designs.\u003cbr\u003e\u003c\/p\u003e","brand":"Puresound","offers":[{"title":"Default Title","offer_id":58297879593344,"sku":"PRS-30R-NTG-VLV","price":2439.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200_7e37e6b6-933f-48bd-87d3-5c0fa9fe748f.png?v=1781876745"},{"product_id":"puresound-a10-valve-tube-integrated-amplifier","title":"Puresound A10 valve tube Integrated Amplifier","description":"\u003cp\u003ePuresound A10 Integrated Valve Amplifier\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe A10 is a compact Class A valve integrated amplifier from Puresound, delivering 10 Watts per channel. Designed for use with efficient loudspeakers or smaller listening spaces, it offers a refined and engaging valve sound without the need for large, high-power systems.\u003c\/p\u003e\n\u003cp\u003eThis is not designed as a high-output amplifier for very low sensitivity speakers, but with suitable loudspeakers (around 87–88dB and above), the A10 delivers a surprisingly full and immersive performance. It accepts two line level inputs and can be configured to drive both 4 and 8 ohm loudspeakers.\u003c\/p\u003e\n\u003cp\u003eThe circuit is based around the 6P14 valve, a modern equivalent to the EL84\/6BQ5 family, giving users the option to experiment with alternative valve types if desired. The design focuses on simplicity and musicality, resulting in a natural, open and highly engaging presentation.\u003c\/p\u003e\n\u003cp\u003eIn use across a variety of speakers, the A10 consistently demonstrates strong performance, offering the holographic and immersive qualities associated with high-quality valve amplification. It is particularly well suited to those looking to enter valve amplification without the risks associated with vintage, DIY or unsupported products.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• Class A valve integrated amplifier\u003cbr\u003e• 10 watts per channel output\u003cbr\u003e• 2 x RCA line level inputs\u003cbr\u003e• 4 and 8 ohm speaker taps\u003cbr\u003e• Based on 6P14 (EL84\/6BQ5 compatible) valves\u003cbr\u003e• Compact design suitable for smaller systems\u003c\/p\u003e\n\u003cp\u003ePerformance:\u003c\/p\u003e\n\u003cp\u003eThe A10 delivers a smooth, detailed and spacious sound with strong midrange presence and natural tonal balance. When paired correctly, it produces a highly engaging listening experience with excellent imaging and depth.\u003c\/p\u003e\n\u003cp\u003eBuild and ownership:\u003c\/p\u003e\n\u003cp\u003eThe amplifier is backed by a 3 year warranty on electronics, with servicing based in the UK, offering reassurance for long-term ownership. It has received multiple industry awards including Best Buy recognition and a ‘Golden Ear’ award from Audio magazine in Germany.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003eFrequency response: 30Hz – 60kHz\u003cbr\u003eOutput power: 10 watts per channel (8 ohms)\u003cbr\u003eInputs: 2 x RCA (single ended)\u003cbr\u003eOutputs: 4 \u0026amp; 8 ohm speaker taps\u003cbr\u003eDimensions (H x W x D): 140mm x 230mm x 330mm\u003cbr\u003eWeight: 8.5kg\u003c\/p\u003e\n\u003cp\u003eOn permanent demonstration in the Solid-Sounds Spinning Room, Leeds\u003cbr\u003e\u003c\/p\u003e","brand":"Puresound","offers":[{"title":"Default Title","offer_id":58297879757184,"sku":"PRS-A10-VLV-TB","price":799.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200_d9b2d844-9846-4c23-a5ee-63b4eddae15c.png?v=1781876746"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/collections\/puresound_logo_png.webp?v=1781934926","url":"https:\/\/thespinningroomhifi.co.uk\/collections\/puresound.oembed","provider":"The Spinning Room Hifi","version":"1.0","type":"link"}