Audio Database

The

DENON/COLUMBIA MAT-4
56,800yen(around the 1968 time)

Description
 
The solid-state Integrated Amplifier of all silicon transistor composition.

Single defused mesa type power transistor use is carried out, and the SEPP-OTL system by the Darlington connection is adopted as an output circuit.

The automatic return type protection circuit of a pure electronic formula is carried.

The tone control defeet switch and the run bull filter are carried.

t latch filter which becomes empty is carried.

Loudness control is carried.

The level meter is carried.

The DSC system is adopted.


Rating of a mode
Form Integrated Amplifier
Maximum except take-off 120W+120W
100W+100W (non clip)
Output power 60W+60W (0.2% or less of distortion)
Frequency response 10Hz-100kHz±1dB
Input terminal Phono1, 2, Mic:2mV/50kohm
Tape Head: 1.5mV/200kohm
Tuner: 100mV/200kohm
Aux: 100mV/75kohm
Output terminal 8ohm, 16ohm
An attached circuit Tone control
Loudness control
Scratch run bull
An attached terminal DIN terminal
Headphone
Auxiliary power each terminal
The semiconductor used Transistor: 37 pieces
Diode: 19 pieces
Thermo sensitive register: Four pieces
Power supply voltage AC100V/110V
Power consumption 40W (at the time of a non-signal)
Dimensions Width 453x height 145x depth of 337mm
Weight 13.5kg