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Sound Rating: 6 / 10 # Owners: 1
Relaibility Rating: 7 / 10 Views: 429

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Technical Details

Brand: Sony

Model:TC-788-4 Quadradial

Category:Mid High Fidelity (most Japanese recorders fall into this category)

Application:Consumer

Electronic:Solid State

Country of Manufacture:Japan

Release dates: -

Original Price: $1450

Tracks:1/2 Rec/PB

Speeds: 7 1/2, 15

Max Reel Size("): 10.5"

Number of heads: 3

Head Composition: Permalloy

Head Configuration: Quad

# Motors:

Auto Reverse?:No

Voltage(s): 110-120v

Frequency Response:( 3dB): 15 ips: 30Hz - 22kHz (standard tape). 30Hz - 28 kHz (SLH tape) 7½ ips: 30Hz - 17kHz (standard tape). 30Hz - 23 kHz (SLH tape)

Wow and Flutter:0.04% at 15ip, 0.06% at 7½ ips

Signal-to-Noise Ratio:56db (SLH tape), 53dB (standard tape)

Sound quality rating:6 / 10

Long-term reliability rating: 7 / 10

Additional Details

Description

At around $US 1595, the TC-788-4 Quadradial was one of the most expensive tape decks Sony ever produced. It offered two speeds – 15 and 7½ , three heads, 10½ ” reel capacity, four- track four-channel recording and playback operation
and an AC servo controlled capstan drive motor which provided constant
speed regardless of voltage and load changes.
A closed loop dual capstan tape drive system assured positive tape to
head contact and helped to isolated external vibration. Logic controlled
function buttons gave feather touch direct transport switching from any
mode to another mode without having to stop the tape first.
A synchro track facility allow ed synchronised recording of new tracks
with previously recorded tracks and there was provisions for timer controlled
recording or playback. Separate tape equalization and bias selector switches
were provided to optimize the characteristics of any tape and a PAN POT
facility enabled back to front channel mixing, especially useful for multi
mic stereo recordings.
Additional images of this recorder are featured on the Get Reel Contemporary
Classics CD-ROM.

Additional Info

Rewind speed: 150 sec with 2,400ft tape / Harmonic distortion: 1.2% / Bias frequency: 160kHz / Inputs: 4 each 0.06 V at 100 kohms (line), -72 dB (lo-Z microphone) / Outputs: 4 each 0.775 V at 10 kohms (max p / b level), 8 ohm headphones / Dimensions: 22 x 17½ x 8¾ ” (559 x 444.5 x 222 mm) / Weight: 58 lbs (26.4 Kg) / 4 track 4 channel stereo recording and playback, 4 track 2 channel stereo, 4 track mono

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