Question about 7 1/2 ips playback on Akai GX-4000D

Tape Trail

Reel to reel, cassette and other analogue tape formats.

I was fortunate to pick up a 7 1/2 ips capstan sleeve (with end cap) for my Akai GX-4000D from a kindly AA inmate. I still have one problem that I need to sort out. It might just need a new belt, but I think there is something else going on.

It plays (and records) perfectly at 3 3/4 ips (without the sleeve of course), but at 7 1/2 ips the tape plays for a bit then gradually slows to a stop, almost like something is slipping. I bought a new belt for it but I haven't installed it yet, and I am hoping that someone can give me some advice.

There is an "EQ" button on the front that switches between 3 3/4 and 7 1/2 ips, but I don't think it has anything to do with the actual transport speed. Can someone tell me what this "EQ" button is for? Is it possible that it could be the problem? Any other ideas that would help me to find the problem would also be appreciated.

Thanks!

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The Cable Cooker

Topic - Question about 7 1/2 ips playback on Akai GX-4000D - Quadzilla 09:58:57 09/12/17 (2)

RE: Question about 7 1/2 ips playback on Akai GX-4000D - JURB 12:01:49 10/01/17 (1)

Thank you for the reply. Sorry for the delayed response. - Quadzilla 13:38:10 10/04/17 (0)

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