Technics Stereo Cassette Deck Model 631 - Works

Description

From my fathers estate
right side small  wood chip see photos  on top some minor marks from cd player that was on top
I CLEANED THIS UNIT IN AND OUT DEOXED ALL SWITCHES AND PODS AND REPLACED ONE OF THE METER LIGHTS THIS UNIT WORKS PERFECT WITH EXCELLENT SOUND QUALITY
Technics Stereo Cassette Deck Model 631 - Works.
Country:
Japan
Manufacturer / Brand:
Technics (brand)
Year:
1978
Category:
Sound/Video Recorder and/or Player
Semiconductors (the count is only for transistors)
Semiconductors present.
Main principle
Audio-Amplification
Wave bands
- without
Details
Cassette-Recorder or -Player
Power type and voltage
Alternating Current supply (AC)
Loudspeaker
- For headphones or amp.
Power out
from Radiomuseum.org
Model:
Stereo Cassette Deck RS-631
- Technics brand
Material
Wooden case
Shape
Book-shelf unit.
Dimensions (WHD)
430 x 149 x 267 mm / 16.9 x 5.9 x 10.5 inch
Notes
Frontloading 2-Head Stereo Cassette Deck with Dolby B, MPX Filter and Ferro-Chrome Tape Capability.
Analog Needle Meters, 3-Digit Mechanical Counter, Peak- and Record Indicator.
Belt Drive, Single Capstan Transport.
Type: 2-head, single compact cassette deck
Track System: 4-track, 2-channel stereo
Tape Speed: 4.75 cm/s
Heads: 1 x record/playback, 1 x erase
Motor: FG servo DC
Tape Type: Type I (Fe), FeCr, Type II (Cr02)
Noise Reduction: Dolby Type B
Frequency Response: 25 Hz to 16 kHz  (Cr02 tape)
Signal to Noise Ratio: 67 dB  (Dolby B)
Wow and Flutter: 0.06% (WMRS)
Input: 60 mV (line), 0.25 mV (mic)
Output: 0.42 V (line)
Net weight (2.2 lb = 1 kg)
7.6 kg / 16 lb 11.8 oz (16.74 lb)