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Issue fixed. Ended being the monitor output pot. Worked some contact cleaner in. Adjusted the pot for proper level. All is great.

Hello, I have an issue with my 3340 4 track r/r. I have the 4 line outs connected to a mixer to monitor playback. I have calibrated the playback levels and all meters line up at 0 vu. Now, when I put the track switches to source, ch 1 overloads the mixer. The meters on the 3340 all remain at 0...

Thanks for your responses. I have decided to pass on the deck.

Hello, I’m considering buying a Teac 2300sx R2R. From what the seller tells me, it’s in good working order. I received a picture of the heads today. I realize a long shot, but how do the heads look? The tape path really needs a good cleaning. Any comments are appreciated. Thanks.

I have 2 Tascam 246 4 tk machines in great working condition that I have fun with. Also a rare Tascam 225 syncaset deck. Also have a Sony mini disk recorder. I really liked that format and wish it would’ve stayed around. I would mix from my Tascam 388 to the MD.

Here is a link to a good 388 manual. https://museumofmagneticsoundrecording.org/images/R2R/Tascam%20388%20Manual.pdf

Thanks Sweetbeats, The 246’s are more for fun. I like recoding with them. I have a 388 8Tk in my studio along with a Mac based DAW running Motu Digital Performer. I bought the 388 in 1987 new. Years ago you helped me troubleshoot a L/R monitor issue with it. A bad IC on the monitor pcb. Been...

Sweetbeats, You were spot on. The R/P head was bad. I swapped it out with another from a 246 parts deck I have and back in business. I recalibrated and all is good. Thanks for you much needed help. The pic is my 2 working 246’s. The one on the right had the issue. Thanks again

I do have another head assembly from a parts machine I may try. If that doesn’t do it, I’ll abandon this one. I really appreciate your help and hanging in there with me. Will update my progress.

Hi, ok will take another pic tomorrow. I tried recording again on Tk 4 adding guitar to what’s on Tk 1-3 and now no record or playback. It’s been a few weeks since I’ve worked on the issue. No record or playback on Tk 4.

Ok. Just confirmed some things. Tape plays back fine on good 246. All tks/channels. When I put the tape in the bad 246, no playback on Tk/channel 4. I do hear hiss when I turn things up when playing back ch 4, but no recorded signal. No sound from tape 4 out either. I have a 3rd head stack that...

Sweetbeats, thanks for trying to help. I really appreciate it. It’s a hard issue to explain. I swapped the head multipin connectors of channels 3&4 on the R/P pcb to see if audio from Tk 4 would show up on channel 3. It did not. Audio from Tk 3 showed up on channel 4. The recorded signal is...

You have it correct. When I record something on Tk 4, it initially plays back. Then I rewind the tape and listen again. I repeat this maybe 10 times or so, listening to what I recorded. Then when I rewind the tape, hit play I suddenly get no signal on Tk 4. Nothing on the VU as if there is no...

I will check. When I play back a commercial produced tape, I get playback on all 4 Tks, with Tks 3/4 playing backwards, which is normal. It has something to do with a signal I record on Tk 4. It plays back for a bit then goes silent. I play the tape, hear all 4 tks, rewind and llisten again...

Here are pics of head assembly.

Hi Sweetbeats, Thank you for replying. Yes, I swapped out the large R/P pcb as well as the 3 board control pcb assembly with no change to Tk 4 symptoms. I will post pics of head assembly.

Hello, I have a 246 multitrack cassette recorder with a playback/record issue that I’m looking for help with. Track 4 has an intermittent problem. When I record on Tk 4, the signal plays back initially for about 10 minutes or so. Then suddenly stops. No signal. Tk’s 1-3 are fine. I can play the...