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Sony TC-105

Portable Solid State 4 Track Monophonic Recorder (1974)

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Sony TC-105


The Model 105 is a portable solid state 4-track monophonic recorder with the exclusive SONY-MATIC AVC (Automatic Volume Control) system.

This Automatic Volume Control system automatically adjusts recording level for any program material and maintains a uniform recording level without touching a knob.

When manual control and indication of recording level is desired, a Record Volume Control and professional Level Meter are incorporated.

A convenient Track Exchange Lever, provides 4-track monophonic recording facilities allowing 'four' separate recordings on your tape.

Other features of the model 105 are:

7-inch reel capacity, 3-speed operation, Tape counter, Automatic shut-off switch, Instant stop button, Speaker On/Off switch and retractable Pinch roller for easiest tape threading.


Track system: 4-track, single channel, monaural system

Heads: 1 x record/playback, 1 x erase

Reel size: up to 7 inch reel

Tape speeds: 1 78  3 34  7 12 ips

Wow and flutter: 0.12% (7 12 ips)

Frequency response: 40Hz to 18kHz (7 12 ips)

Output power: 4 watts

Speakers: 4x6" dynamic

Semiconductors: 4 x 2SC402, 1 x 2SB381, 1 x 2SB383, 2 x 2SD28, 1 x 1T22, 2 x 5G-D

Dimensions: 14-3/4 x 7-1/4 x 13-3/8 inches

Weight: 21lbs

Accessories: F-96 microphone, reel, earphone, RK-36 connecting cord, head cleaning ribbon



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Reviewed Dec 16th, 2012 by unclecolly

Gets me all the chicks

Reviewed Oct 08th, 2012 by skater59

Nice well made unit, only 1 speaker but good quality and easy to spool tape. Portable with removable hinge lid and microphone holder. Also has cord holder box on back of unit.



re: TC-105

mono 1/4-track deck, but easy to use and very reliable. Our church has 6 floating around, dating back to s/n 10004. Relatively few problems, given over 30 years of history with some of them. I'm curious what the starting s/n for the model was. Schematic was helpful for identifying a blown cap on the oldest unit.

re: TC-105

Have you ever needed to work on the pinch roller mechanism? I've just purchased a TC 105 and the roller doesn't move into place. It's not obvious how to remove the 'head block' to see why the roller mechanism doesn't move freely so if you know how to do this, can you please let me know?
Paul D Smith (papadeltasierra).

re: TC-105

The original grease that the factory used to lube the parts hardens up.You have to remove the old grease clean with alcohol and then regrease and that will take care of most issues with this model especially parts that are spring loaded.common problem with units that are old

re: TC-105

Just got one that's doing the same thing. The flywheel isn't turning. Have you had any success with yours?

Great for lofi portable

Great for lofi portable recordings. So far very dependable.

This website is not affiliated with or sponsored by Sony. To purchase TC-105 spares or accessories, please contact the company via their website or visit an authorised retailer.