Technical Details
Brand: Sony
Model:TC-645
Category:Mid High Fidelity
Application:Consumer
Electronics:Solid State
Equalization:NAB
Country of Manufacture:Japan
Release dates:1975 - 1978
Original Price: $213
Tracks:1/4 Rec/PB
Speeds: 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 3
Dimension: 14.6 x 14.9 x 8.8" (370 x 378 x 224mm)
Head Composition: Permalloy
Head Configuration: Stereo
# Motors: 3
Auto Reverse?:No
Voltage(s): 110-120v
Outputs: RCA
Frequency Response:7½ ips: 30Hz - 20kHz 30Hz - 26kHz 3¾ ips: 20Hz - 17kHz 20Hz - 24kHz
Wow and Flutter:0.09%at 7½ , 0.12% at 3¾ ips
Signal-to-Noise Ratio:53 dB (normal tape) 56 dB (SLH tape)
Sound quality rating:6 / 10
Long-term reliability rating: 7/ 10
Weight: 40lb 13oz (18.5 kg)
Additional Details
Description
A three-motor, 4-track stereo recorder with two speeds, 7½ and 3¾ ips with Ferrite &
Ferrite record and playback heads and a standard erase head.
Features included:
7″ maximum reel capacity
normal/SLH tape eq selectors
mic/line mixing
line output level control
solenoid-operated three-motor transport
pause control with lock
electrical speed change
automatic tape lifters
scrape flutter filter
mechanical memory capability
ultra high frequency bias
built-in reel locks
calibration to NAB standards
‘Retractomatic’ pinch roller
4-digit tape counter
vertical/horizontal operation ·
stereo headphone jack
Additional Info
Price When New UK £213 (plus VAT)
Heads Three: erase, record and playback (Ferrite & Ferrite)
Motors 2-speed servo control outer rotor motor, model SCM2-24
Tape Speeds 7½ & 3¾ ips
Frequency Response ( 3dB)
| Normal tape | SLH tape | |
|
7½ ips:
|
30Hz – 20kHz | 30Hz – 26kHz |
|
3¾ ips:
|
20Hz – 17kHz | 20Hz – 24kHz |
Wow & Flutter 0.09%at 7½ , 0.12% at 3¾ ips
Signal to Noise Ratio 53 dB (normal tape) 56 dB (SLH tape)
Bias Frequency 160kHz
Inputs line – 100k ohm impedance, 0 dB (775mV); DIN – 10k ohm impedance, 0 dB (775mV); headphones – 8 ohm
Outputs line 0 – 1V 10K; headphones
Dimensions 14.6 x 14.9 x 8.8″ (370 x 378 x 224mm)
Weight 40lb 13oz (18.5 kg)