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Sony TC-730

Four Track Stereo Tapecorder

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Sony TC-730

Specifications

Track system: 4-track, 2-channel, stereo/monaural system

Reel size: up to 7 inch reel

Tape speeds: 1 78  3 34  7 12 ips

Wow and flutter: 0.06% (7 12 ips)

Frequency response: 20Hz to 30kHz (7 12 ips)

Signal to Noise Ratio: 56dB

Total harmonic distortion: 1.2%

Input: 62mV (line), 0.2mV (mic)

Output: 0.775V (line)

Output power: 15 watts

Speakers: 2 x 100x150mm

Semiconductors: 51 x transistors, 25 x diodes, 1 x IC

Dimensions: 533 x 498 x 227mm

Weight: 23.5kg

Downloads

Comments

re: TC-730

Hey I recently picked one of these up and it seems to be in pristine condition. Everything works great except that headphone jack on the right side is pretty scratchy and distorted. Not much of a problem for me. I'm pretty new to reel to reel recording and have some concerns around the sound on sound and echo feature of this machine. The echo seems to only have one repeat. Is this common? I haven't been able to find any info online about it or examples of the echo being used at all. Any help is appreciated.

re: TC-730

I need (2) 3-492-025 reel holder, (2) 3-492-112 compression spring and (2) 3-492-026 reel holder screws. I believe these hold the reels in place. Where can I purchase or order them?

Thank you,
George Neville

email: papanev2@hotmail.com

Pinch roller doesnt switch over during reverse playback etc

Hi guys, I am aware of this issue with this model and have just purchased one and unfortunately it too suffers from this common problem. I have opened it up, cleaned and lubricated the pivot shaft etc. Even clean the tiny rubber roller. Still not working. What have i missed. Can anyone provide some instructional pictures or even upload a video to you tube to demonstrate how to go about fixing this annoying issue.
Thank you all in advance !

retiredjoe623's picture

Rotating Pinch roller not rotating

Hi,
The reason it's not rotating back and forth is because the small rubber wheel has gotten hard and may not grip as it did when it was new.
You need to eliminate the gap between the small rubber wheel and the spot it contacts the capstan.

How about using a small piece of heat shrink tubing and slide it to the place on the capstan where the small wheel is to make contact. Use a small dab of glue so the tubing can't rotate. Now shrink it around the capstan. If one layer doesn't do the trick, add a second layer right on top of the first one.

I have got the ole' pinch roller rockin' back and forth again with this simple method.

Good Luck!

pinch roller

my simular model had same problem and the fix was to replace the rubber tire under the capstan roller as it has got hard and doesen't grip anymore. I just used an rubber o-ring that was the same diameter. If its too large I think the capstan may actually lock up. sorry, I don't remember which o-ring size I used.. replaced it 3 years ago and still working OK.

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