Form Stereo: preamplifier

Frequency characteristic: 20Hz-20kHz+0 -0.5 dB

Distortion: 0.02% or less (at the time of 20Hz - 20kHz, and an Output power)

Input sensitivity/impedance:

- Phono1, 2:2mV (1kHz) / 47kohm (65pF)

- AUX, Tuner, Tape1, 2:0.25V/250kohm

- MIC: 2.5mV / 500kohm

A hum and a noise:

- AUX, Tuner, Tape1, 2: IHF 100dB, 90dB (with no auditory sensation weighting)

- Phono1, 2:IHF 90dB, 80dB (at the time of a 10mV input)

An Output voltage/impedance:

- Main output: 2.5V / 10kohm (at the time of a rated input)

- Tape output: 0.25V / 10kohm (at the time of a rated input

- Headphone and Line output:0.75V (8ohms), 2.5V/600 ohm

line feed character-HF filter: 50Hz or less, 7kHz or more (12 dB/oct)
Voltage amplification (decibel) [Input - Main - Tape - Headphone, Line]:

- AUX, Tuner, Tape1, 2 : 20dB 0dB 30dB

- Phono1, 2 : 62dB 42dB 72dB

- MIC: 60dB 40dB 70dB

The semiconductor used:

- Transistor: Two pieces

- IC: Nine pieces

- Silicon diode: 11 pieces

- light emitting diode: Eight pieces

- SCR: One piece

- LDR: One piece

Bass control: + 20dB--20dB (20Hz), an 11-step switching

Treble control: + 18dB--18dB (20kHz), an 11-step switching

Volume control: 0dB--70dB, a succession variable

Power source: AC120V, 50Hz/60Hz

Power consumption: 45W

Dimensions:

- Main unit: Width 375x height 122x depth of 330mm (pan nowait-lock included)

- Front panel: Width 406x138mm in height

Weight: 8.6kg (at the time of an original packaging: 14.1kg)