{"product_id":"puresound-l5-valve-preamplifier","title":"Puresound L5 valve Preamplifier","description":"\u003cp\u003ePuresound L5 Valve Preamplifier\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe L5 is a valve-based preamplifier designed to deliver dynamic, engaging performance while maintaining low noise and strong signal integrity. Built around a simple, direct-coupled circuit, it focuses on preserving energy and drive in the music.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• valve preamplifier\u003cbr\u003e• 5670 double triode valves\u003cbr\u003e• direct-coupled gain stage with output buffer\u003cbr\u003e• 4 x line inputs\u003cbr\u003e• 2 x line outputs\u003cbr\u003e• ALPS motorised volume control\u003cbr\u003e• dual-rail power supply (separate per channel)\u003c\/p\u003e\n\u003cp\u003eDesign and performance:\u003c\/p\u003e\n\u003cp\u003eThe L5 uses a pair of 5670 double triodes in a gain stage that is directly coupled to a low impedance output buffer. This design avoids unnecessary components in the signal path, helping maintain clarity and drive.\u003c\/p\u003e\n\u003cp\u003eUnlike passive preamps, the L5 provides active gain and buffering, allowing it to preserve the energy and dynamics of recordings rather than softening or flattening the presentation.\u003c\/p\u003e\n\u003cp\u003eMaterials and construction:\u003c\/p\u003e\n\u003cp\u003e• 5670 double triode valves\u003cbr\u003e• ALPS motorised potentiometer\u003cbr\u003e• independently filtered high-voltage rails (left\/right)\u003cbr\u003e• smoothed filament power supply\u003c\/p\u003e\n\u003cp\u003eThe power supply is carefully designed, with separate HT rails for each channel to improve channel separation, while smoothed filament supplies reduce noise and hum.\u003c\/p\u003e\n\u003cp\u003eSound characteristics:\u003c\/p\u003e\n\u003cp\u003e• strong sense of dynamics and energy\u003cbr\u003e• clear, open presentation\u003cbr\u003e• stable and controlled signal delivery\u003cbr\u003e• low noise with good channel separation\u003c\/p\u003e\n\u003cp\u003eThe L5 is particularly effective at maintaining the immediacy of recordings, avoiding the loss of impact sometimes associated with passive designs.\u003c\/p\u003e\n\u003cp\u003eBuild and usability:\u003c\/p\u003e\n\u003cp\u003eThe inclusion of a motorised ALPS volume control allows for smooth adjustment and remote operation, while multiple inputs and outputs provide flexibility within a system.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• valves: 2 x 5670 double triodes\u003cbr\u003e• inputs: 4 x RCA\u003cbr\u003e• outputs: 2 x RCA\u003cbr\u003e• volume control: ALPS motorised potentiometer\u003cbr\u003e• circuit: direct-coupled gain stage with buffer\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThe L5 is designed to partner a wide range of power amplifiers, offering both flexibility and a lively, engaging sound character within a high-quality valve-based design.\u003cbr\u003e\u003c\/p\u003e","brand":"Puresound","offers":[{"title":"Default Title","offer_id":58297878741376,"sku":"PRS-L5-VLV-PRM","price":1049.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200copy_f885cfea-f5b6-47a4-ba93-2b40b5c222b8.png?v=1781876738","url":"https:\/\/thespinningroomhifi.co.uk\/products\/puresound-l5-valve-preamplifier","provider":"The Spinning Room Hifi","version":"1.0","type":"link"}