Technics SU-2300
¥ 21,800 (around 1975)
Commentary
Thin pre-main amplifier.
Equipped with a master volume with 41 levels of delicate volume control.
A low-noise NF tone control circuit is built in.
Equipped with a balance knob.
It has a tape deck connection terminal and a headphone terminal.
Model Rating
Type | Stereo pre-main amplifier |
Circuit system | All-stage direct coupled differential amplifier OCL circuit |
Music power | 32W (8 Ω) |
Effective output (1 kHz, both channel drive) | 10W + 10W (8 Ω) |
Output Bandwidth (8 ω) | 5 hz to 40 khz -3dB |
Harmonic distortion factor | 0.9% |
Frequency characteristic | 15 Hz ~ 100 kHz + 0 -3dB |
Signal-to-noise ratio | Phono:70dB |
Damping factor | 20 (8 Ω) |
Phono maximum allowable input | 120mV(1kHz) |
Tone control | Bass : ± 10 dB (100 Hz) Treble : ± 10 dB (10 kHz) |
Pwer | 100 VAC, 50Hz/60Hz |
Power consumption | 28W |
External dimensions | Width 392x Height 89x Depth 243 mm |
Weight | 2.9kg |