Luxman SQ-77T (1975)
A solid-state integrated amplifier marking the beginning of Luxman's transistor audio technology
Overview
The Luxman SQ-77T is a solid-state stereo integrated amplifier released in 1975. It marks the brand's move into transistor-based audio design. Some sources list it with a "/II" suffix, but all of them place it among Luxman's early solid-state amplifiers. It has three high-level inputs and a dual-gang precision stepped attenuator for volume control, which points to a focus on signal purity and mechanical reliability.
Specifications
| Power output | 30 watts per channel into 8Ω (stereo) |
| Number of Inputs | 3 (High-level) |
| Volume Control | Dual-gang precision attenuator (stepped) |
| Power supply | AC100V 50/60Hz 42W |
Design
The SQ-77T is a solid-state amplifier and the start of Luxman's history in transistor audio. It is an integrated pre-main amplifier, so the preamplifier and power amplifier share one chassis.
Context
The SQ-77T is positioned as a milestone in Luxman's product evolution, the point where the brand shifted from tube-based to transistor-based amplifier designs. It shows up in listings alongside other legendary Luxman models. No direct product lineage or competitive positioning has been documented.
Market
A fully restored unit was listed for €995 on hifishark.com as of April 4, 2026. The model is described as rare. One listing says it was from the late 1960s - but the confirmed release year is 1975. Some online commentary points to limitations from dated components, particularly in the preamp section, but it also acknowledges the amp's sonic appeal.
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