Tape Machines > Reel to Reel Tape Machines

Teac 3340s - Teac a3340s

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caleb7:
Can anyone tell me if there is any difference between the Teac-3340s and the Teac-a3340s as far as recording. Are these 2 machines compatible? Can you continue work you started on the a3340s with the 3340s? Thank You for any information you can provide.

GeoffB17:
Hello,

I suspect these are the same machine, just that some people don't bother to use the preceeding 'A'.  The official designation is A-3340S, but you often see the machine referred to as 3340S

I have the 3340 (i.e. the A-3340) and the same thing applies.   However, I have seen some mention about a 3340 as being different, but looking for pics, it's just the same machine.

There's pretty good coverage about these on the web, so if you keep searching, you should get clearer info, but I repeat, I think the 3340S and the A-3340S are the same machine.

Geoff

GeoffB17:
One extra possibility just been suggested - elsewhere on the web.

Maybe 3340 could be the Japanese designation, and A-3340 would be the export (American) variant (which may also be the European variant as well ?)

Could be?

In which case I would expect there to no other differences except power requirements.   Any implications this might have for general performance should be very minor, and probably not any sort of issue.

Anyone know better?

Geoff

GeoffB17:
Further to the above, I've now had info from someone who has BOTH 3340S and A-3340S.

He confirms that both machines are the same, apart from:

The A-3340S has a 'cue' lever, which brings the pinch roller away from the capstan (for editing/cue), while the 3340S does not.

So, there should be no problem interchanging tapes between the two, in fact all the 4 channel variants should be OK in that regard?

Geoff

gunnar:
Small note:
A similar phenomena occurs for those who happen to buy the "native american" version (117V) of the A-3340S for export to a 50Hz country. One could assume it would suffice with something like a 220 to 110V transformer but the problem will be mains frequency.
The capstan motor are synchronous in principle and runs in exact sync with the mains frequency, slower on 50 Hz. And even with a
step down transformer the deck will still be fed 50 Hz thus the machine will run too SLOW.

There exist versions of the 3340 that allow selecting mains voltages. Those also employ a dual-groove pulley on the capstan motor so that by allowing the rubber belt to go in the smaller groove this compensates for the slower running motor.

The single voltage version of the 3340 (most of the units on the north american market) were cost optimised in production so TEAC did away with the dual groove pulley, 50 Hz switch, voltage selector and used a transformer with less windings.

So converting such a 3340 for use in 50 Hz land requires both sourcing a dual groove pulley and changing the transformer (or use an external step down one).  Good to know for those outside the U.S tempted by these 4 channel icons on Ebay.
The 50/60 Hz switch is also a thing to study in a conversion. It switches in/out and extra capacitor to change an electrolyte capacitor used with a reel motor to have it work in harmony with the mains frequency and this needs to be rewired also in a 50 Hz conversion of the 117V version.

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