
Sony TC-630D
Sony
Japan

Tape Deck Details
Number of Motors
3
Number of Heads
3
Head Configuration
Stereo
Wow & Flutter
0.09%
Signal-to-Noise [dB]
50
Dimensions [mm]
480 x 400 x 200
Weight [kg]
11
Year built
1970 - 1974
Head Composition
Permalloy
Equalization
NAB
Frequency Response
30Hz - 22kHz
Speed
1⅞, 3¾, 7½
Max Reel [inch]
7
Tracks
1/4 Rec/PB
Price
User
Consumer
Additional Information
The Sony TC-630D is a solid-state, deck-only variant of the TC-630 from 1970-1974, featuring quarter-track stereo (4-track, 2-channel stereo/monaural) operation with three permalloy heads (record, playback, erase), three speeds, and a 7-inch reel capacity for consumer hi-fi recording and playback.
Key Specifications
Tape speeds: 1 7/8 ips (4.8 cm/s), 3 3/4 ips (9.5 cm/s), 7 1/2 ips (19 cm/s).
Frequency response (±3dB): 30Hz-22kHz (7 1/2 ips).
Wow/flutter: 0.09% (7 1/2 ips), 0.12% (3 3/4 ips), 0.16% (1 7/8 ips); S/N: 52dB; THD: 1.2%; bias: 160kHz.
Dimensions/weight: 480 x 400 x 200 mm (19 x 15.75 x 7.75 inches); 11 kg (24.2 lbs).
Features and Connectivity
Three-motor transport with large VU meters, calibrated slide record faders, sound-on-sound recording, mic (0.2mV/250Ω), aux/tuner (60mV), phono (2mV) inputs, and line out (0.775V/100kΩ) plus 8Ω headphones; NAB equalization and vertical/horizontal mounting. Sound quality rates 5/10 and reliability 5/10, with idler wheels often needing rebuilds alongside belts and cleaning.