Sony STR 6100 (1972)

Market Value: $400-$800 depending on condition and originality
Collectibility Rating: 7/10

Name: Sony STR 6100
Brand: Sony

Specifications

Feature	Specification
Year of Production	1972-1974
Power Specifications	60W per channel (8Ω, 20Hz-20kHz, 0.5% THD), stereo
Impedance	4-16Ω
Sensitivity	Unknown
Key Features	DC amplifier design, dual power transformers, FET front end, dual power meters, phono equalizer with low-noise transistors, separate bass and treble controls, loudness switch, tape monitor

Historical Significance

Flagship receiver from Sony's first generation of high-power stereo receivers, represented Sony's entry into the high-end receiver market competing with Pioneer and Marantz, known for its advanced DC amplifier design and build quality

Sound Signature

Clean, detailed, and neutral with excellent transient response, tight bass, and wide frequency response, less colored than many contemporary tube designs

Maintenance and Restoration Tips

Aging capacitors, particularly in power supply and amplifier sections, dirty controls and switches, bulb replacement for meters and dial, potential issues with original transistors in some units