Designed and produced before the Alpine "takeover / collaboration" and just before the DAD revolution, the L-550 did receive a "State of the Art" award in 1982 besides being selected as "Best Product" by Stereo Sound.

Pursuing a sound that appeals to the senses whilst creating a deep musical impression is the ultimate role of the audio amplifier. With pure class A design, the L-550AXII integrated amplifier is a refined version of the L-550AX which was itself fully restyled in 2011.

DUOβサーキット/Sを搭載したプリメインアンプ。 「適量NFB」と「DCサーボ」を組合わせたDUOβサーキットと、音質優勢の制御帰還の電源plusXに加え、さらに「一段増幅アンプ」を加えたDUOβサーキット/Sを開発し、イコライザとパワー部に搭載しています。 一段増幅アンプは初段にMCヘッドアンプ用のFETを採用しており、もともと高gm、ローノイズのこのFETに、1石あたり7mAという大電流を流す事で必要なゲインを取り出すという構造となっています。 こ …

2021年4月30日 · Manufacturer: Luxman; Model: L-550; Type: Pure Class-A integrated amplifier; Years of manufacture: 1981 - 1984; Made in: Japan; Color: front champagne, rosewood cabinet; Power consumption: 310 W (max.) Dimensions: 453 x 174 x 460mm (WxHxD) Weight: 18 kg; Original price approx.: 250'000 Yen (Japan, 1981), 4'000 DM; Connections. Number of inputs:

This is the kind of aural workout that instantly reveals the delicacy that the Luxman class-A amplifier offers. The classic “How Can You Mend a Broken Heart?” does the job nicely, resolving the differences between each voice, rather than just blending them together as one big, fat voice.

From the Classic Golden period of Luxman before the take over by Alpine. It was also before Luxman earned its late but deserved respect and admiration in the West. It has been known in Asia for many years. Solidly built, handsomely designed, the unit is still working its magic with sonic purity. Pure Class A, single staged, the

The L-550AXII is a mid-range integrated amplifier that increases its maturity in an attractive, functional design for music to be thoroughly enjoyed.

Two electrolytic capacitors with an aluminum purity of 99.99% and a capacity of 30,000 μ F with sound quality measures are used. Equipped with a pre-heating function, it can be heated by passing a small amount of current. Equipped with a warm-up indicator, it is possible to confirm that stable operation has started.

New LECUA1000 — LUXMAN Electric Controlled Ultimate Attenuator 1000 New LECUA1000, which is the integration of an amplifier cir-cuit and a high-precision attenuator by electrically-controlled fixed resistance switcheovers is mounted. Further fine sound volume adjustable without deterioration of sound quality from 0 dB through −87 dB

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