Question about Teac Audio Players & Recorders
Posted by Anonymous on
The A4070G can record in each direction but has a switch that needs to change to switch the heads. This must be stuck after all this time and so the deck needs service. They are not easy unit to work on. I have one in my shop now. The bad news is that they use combo record and erase Ferrite heads that can not be sourced anymore.
I am very familiar with this model as I worked at Teac and fixed many of them.
Posted on Jul 13, 2014
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Posted on Jan 02, 2017
Trace the wires from the head to the amp section. Put your finger on where they join (during playback) and see if you can get a buzz. If you can't on either channel, look for something that might be common to both channels. Either a switch, or a pre-amp IC, as being the cause of the fault.
Posted on Aug 06, 2009
No, that would require slowing the capstan or making its diameter smaller for the rpms it turns now. Sorry.
Posted on Mar 18, 2010
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In short, no. if you look closely you will see the Teac 3340 has a much larger/thicker capstan shaft than other Teac reel decks. This feature allows the faster tape speeds...7 1/2 and 15 ips. In order to slow down the Teac 3340 you would have to change the flywheel to one from another deck that was made to run at 3 3/4 and 7 1/2. Which is possible but some work..plus you would have to find a slower speed flywheel from another Teac deck. Also to maintain performance, the bias and Eq positions for the slower speeds would have to be readjusted from 7 1/2 and 15.
Posted on Jun 08, 2010
SOURCE: Right Side Playback Very Low
First check your connections. Then playback a known good recording. That way you'll figure out if is the machine has issues with the playback or not. If that is no good then too then clean the playback heads and check it. Then try swapping out your cables or using different jacks on your amp. If the payback is good then clean the record head with a Q-tip and alcohol. Then try a new recording and check it. If it still is no good then invest in a demagnetizer, but use it sparingly. Also it could be that the record level knob is not making a good connection. Put some headphones on (connected directly to it) to hear the recording and try moving it back and forth. If you hear some static, it may have oxidation building up. Deoxidation spray does wonders.And if none of that does the trick, you will likly have to take it in and get the preamps replaced. Good luck.
Posted on Jun 19, 2012
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