The Technics SU-V4 is a vintage stereo integrated amplifier released around 1980–1981, highly regarded for its robust build and "New Class A" circuitry. It is often praised as a reliable entry-to-mid-level classic that delivers a clean, balanced analog sound. Cartridge MM/MC featured.
Performance & Sound Quality
Audio Profile: Known for a clean and transparent sound signature. Reviewers highlight its detailed treble that avoids being overly harsh or fatiguing, and a natural, engaging midrange.
Power: Rated at 55 watts per channel into 8Ω. Despite the moderate wattage, users report it feels "surprisingly powerful," capable of driving a variety of bookshelf and floorstanding speakers with ease.
Phono Stage: A standout feature for vinyl enthusiasts, it includes a sophisticated phono preamp compatible with both Moving Magnet (MM) and Moving Coil (MC) cartridges.
Key Specifications
Feature Specification
Power Output 55W per channel (8Ω)
Frequency Response 5Hz to 150kHz
Total Harmonic Distortion 0.02%
Inputs Phono (MM/MC), Tuner, Aux, Tape 1 & 2
Dimensions 430 x 142 x 292mm
Weight 8.5kg
Build & Reliability
Design: Features a classic silver-faced aesthetic with metal chassis and high-quality internal components like substantial heatsinks.
Reliability: These units are noted for their longevity; many are still operational today, though they may require standard vintage maintenance like cleaning oxidized buttons or replacing aged capacitors.
Controls: Includes dedicated bass and treble tone controls, a loudness button for low-volume listening, and a subsonic filter to cut unwanted low frequencies.