{"product_id":"quad606-quad707-hifi-finished-power-amplifier-dc-25v-55v","title":"QUAD606 QUAD707 Finished Power Amplifier Completed HIFI Post‑Amp DC ±25V‑±55V Power Supply","description":"\u003ch1\u003eProduct Description\u003c\/h1\u003e\u003cp\u003eImitation of Classic British QUAD606 \/ QUAD707 Stereo Post‑Amplifier Finished Machine, a high‑fidelity power amplifier built for audiophile music lovers. Fully assembled, tested and integrated with power transformer, speaker protection circuit and delay‑start function, ready‑to‑use for your home Hi‑Fi audio system.\u003c\/p\u003e\u003ch2\u003eMain Specifications of Complete Amplifier Chassis\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eStereo Output Power: 130W × 2 @ 8Ω\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eBuilt‑in 300VA Pure Copper Power Transformer, stable and sufficient power supply\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eSpeaker Protection Circuit \u0026amp; Power‑on Delay Startup Function, effectively protect your speakers from surge damage\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eVolume Control: Original Japanese ALPS 27 Potentiometer, smooth adjustment, low noise and long service life\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eOverall Dimension (W × H × D): 240mm × 120mm × 271mm\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e✅QUAD606 Finished Post‑Amplifier\u003cbr\u003e\n\u003c\/h2\u003e\u003cp\u003eHigh‑fidelity finished mono power amplifier board, classic QUAD606 circuit, excellent for DIY audiophile audio system, home theater, speaker upgrade project. Built and fully tested, ready‑to‑use, no soldering work required.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eWide DC dual‑rail power supply: ±25V~±55V DC, \u003cstrong\u003eRecommended working voltage: ±45V DC\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003ePowerful output: 125W @ 8Ω, 250W @ 4Ω per channel\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eUltra‑low distortion: THD+N ＜ 0.01%, delivers transparent, warm and detailed sound performance\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eProfessional‑tested frequency response (APSYS2): 20Hz‑0dB, 10Hz‑0.3dB, 10kHz‑0.1dB, 20kHz‑0.3dB; Slew‑rate:25V\/μs (Oscilloscope tested)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eFixed gain: 51.5 times\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eOutput stage quiescent current: 0mA; Mono static current: approx.100mA\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003ePremium components: Original TLC271 high‑performance operational amplifier; 6pcs 2SD718 (140V, 10A,100W) power transistors per channel\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003ePCB + corner aluminum heatsink mounting size: 90mm × 100mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eCooling suggestion: Single‑channel radiator weight ≥ 500g (under ±45V)\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cblockquote\u003e\u003cp\u003eNotice: Heatsink is NOT included. You need to prepare extra qualified radiator for long‑time stable operation.\u003c\/p\u003e\u003c\/blockquote\u003e\u003chr\u003e\u003ch2\u003e✅QUAD707 Finished Post‑Amplifier\u003c\/h2\u003e\u003cp\u003eHigh‑end finished mono HIFI power amplifier, classic QUAD707 circuit design, perfect upgrade solution for audiophile home audio setup. Pre‑assembled \u0026amp; well‑tested, plug‑and‑play after power supply and speaker connection.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eWide DC dual‑rail power supply: ±25V~±55V DC, \u003cstrong\u003eRecommended working voltage: ±45V DC\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003ePowerful output: 125W @ 8Ω, 250W @ 4Ω per channel\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eUltra‑low distortion: THD+N ＜ 0.01%, clean audio output, restore real music details\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eProfessional‑tested frequency response (APSYS2): 20Hz‑0dB, 10Hz‑0.3dB, 10kHz‑0.1dB, 20kHz‑0.3dB; Slew‑rate:25V\/μs (Oscilloscope tested)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eFixed gain: 51.5 times\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eOutput stage quiescent current: 0mA; Mono static current: approx.100mA\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003ePremium components: Original TLC271 high‑performance operational amplifier; 6pcs 2SD718 (180V, 10A,100W) power transistors per channel\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003ePCB dimension: 50mm × 145mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"line-height: 2em;\"\u003eCooling suggestion: Single‑channel radiator weight ≥ 500g (under ±45V)\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cblockquote\u003e\u003cp\u003eNotice: Heatsink is NOT included. External sufficient‑weight radiator is required to avoid overheating during long‑hour playback.\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"http:\/\/img2.tongtool.com\/s\/017012\/2026-08\/1232122078870769664.jpg\" title=\"\" alt=\"微信图片_2026-08-26_165826_075.jpg\"\u003e\u003cbr\u003e\u003cimg src=\"http:\/\/img2.tongtool.com\/s\/017012\/2026-08\/1232122211729408000.jpg\" title=\"\" alt=\"O1CN01Nh3uxG2Fsk5PEAFqF_!!36508936.jpg\"\u003e\u003cbr\u003e\u003cimg src=\"http:\/\/img2.tongtool.com\/s\/017012\/2026-08\/1232122328683380736.jpg\" title=\"\" alt=\"O1CN01U41IdK2Fsk5PE8JJo_!!36508936.jpg\"\u003e\u003cbr\u003e\u003cimg src=\"http:\/\/img2.tongtool.com\/s\/017012\/2026-08\/1232122115793227776.jpg\" title=\"\" alt=\"O1CN010YM2Ew2Fsk5NyBdIG_!!36508936.jpg\"\u003e\u003cbr\u003e\u003cimg src=\"http:\/\/img2.tongtool.com\/s\/017012\/2026-08\/1232122418529701888.jpg\" title=\"\" alt=\"O1CN01Gi1u4T2Fsk5SecN9U_!!36508936.jpg\"\u003e\u003c\/p\u003e\u003c\/blockquote\u003e","brand":"Lilly Electronics","offers":[{"title":"QUAD606","offer_id":40872755593345,"sku":"LJM-QUAD606-Finished","price":579.0,"currency_code":"CAD","in_stock":true},{"title":"QUAD707","offer_id":40872755626113,"sku":"LJM-QUAD707-Finished","price":605.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/1bf48f86d9d4d81567f8e10db437822f.jpg?v=1787736561","url":"https:\/\/www.lilly-electronics.com\/de\/products\/quad606-quad707-hifi-finished-power-amplifier-dc-25v-55v","provider":"Lilly Electronics","version":"1.0","type":"link"}