Search found 79 matches

by jpmorris
Sat Apr 04, 2009 8:37 am
Forum: Creative Recording
Topic: Studer A807 - erase calibration
Replies: 1
Views: 1635

Studer A807 - erase calibration

Well, I've played around with it and determined empirically that the erase head is functioning. The A807 has a lever which allows the erase to be defeated, and the result is pretty conclusive - it is erasing most of the program material, just not all of it. At the end of the day, I think I need to k...
by jpmorris
Tue Mar 31, 2009 5:30 pm
Forum: Creative Recording
Topic: Studer A807 - erase calibration
Replies: 1
Views: 1635

Studer A807 - erase calibration

I noticed the other day that the A807 isn't quite erasing the previous material. Adjusting this has proved a bit harder than I thought. Firstly, mine is a 2-channel machine with a full-track erase head. The manual gets a bit vague about this, though it seems to be suggesting that the full-track head...
by jpmorris
Tue Mar 10, 2009 3:14 pm
Forum: Creative Recording
Topic: Studer A807 - head preamp
Replies: 7
Views: 4342

In case anyone is curious by way of follow-up, I sat down and recapped the playback circuit on the suspect board until I ran out of 47uF caps. Not very scientific, I know - but it seems to have hit the spot as both channels are now more-or-less equivalent when set to 88/255. I'll do a later test on ...
by jpmorris
Sun Mar 08, 2009 2:24 pm
Forum: Creative Recording
Topic: Studer A807 - head preamp
Replies: 7
Views: 4342

I wasn't able to easily get to the test points (IC25), though I might be able to arrange some kind of flying lead. I've tried swapping the two DAC chips, which had no effect. However, while I had the card out I did notice that the electrolytics on channel 1 were substantially down, in some cases 50%...
by jpmorris
Tue Feb 17, 2009 9:03 am
Forum: Creative Recording
Topic: Studer A807 - head preamp
Replies: 7
Views: 4342

Re: Studer A807 Head Preamp

I would suspect the problem is with the A/D convertors, IC23 (AD7528N) on the Audio Electronis Board, that plugs into the Audio Control board. Sometimes these go a bit strange, and need to be replaced. Whilst playing some tone from tape, check the level on pin1 of IC25 (RC4559), on each channel. Th...
by jpmorris
Thu Oct 02, 2008 2:39 am
Forum: Creative Recording
Topic: How will economic changes affect the music scene?
Replies: 49
Views: 14275

My main concern is that it may see the end - or at least a hiatus - of tape manufacturing again, since it's kind of a niche market.
by jpmorris
Wed Sep 03, 2008 7:15 am
Forum: Creative Recording
Topic: Anybody A/B'd RMGi 911 vs. ATR for big rock drums?
Replies: 23
Views: 6275

I can't comment on the ATR stuff, but RMGI has been known to have shedding issues. I had terrible results with the earliest stuff... on one occasion track 8 clogged with shit and threw the timecode off, crashing the sequencer. Word is that the early batches weren't properly cured. I'm not sure wheth...
by jpmorris
Sun Aug 03, 2008 8:46 am
Forum: Creative Recording
Topic: Studer A807 - head preamp
Replies: 7
Views: 4342

emrr wrote:I have one, but I haven't been in it enough to be of any help. Have you subscribed to the Studer list? Your questions are right up its alley.
I didn't know there was one, but I'll definitely look for it. Thanks.
by jpmorris
Sun Aug 03, 2008 8:24 am
Forum: Creative Recording
Topic: Tranny organ tuning
Replies: 4
Views: 1975

I've never done this, but isn't there generally a set of 12 cards, one for each semitone? You should find an adjustment on each one.
by jpmorris
Sun Aug 03, 2008 3:10 am
Forum: Creative Recording
Topic: Studer A807 - head preamp
Replies: 7
Views: 4342

Studer A807 - head preamp

I have recently acquired a Studer A807 and it seems to have a bit of a problem with the repro amp on channel 1. I've been lining the thing up for the 200nWb standard my Revox was using, and while I only need to set the level to about 140 on channel 2, channel 1 needs about 250 to draw level (that's ...
by jpmorris
Wed Jun 04, 2008 4:45 pm
Forum: Creative Recording
Topic: Tascam remotes--do they interchange? RC-808 vs. TSR-8
Replies: 4
Views: 2418

DIY might be a better bet, yes. I got the TSR's pinout from its service manual, so if you can find someone with the DA38 service manual you should be able to get the pinout...
by jpmorris
Sun Jun 01, 2008 12:24 pm
Forum: Creative Recording
Topic: Tascam remotes--do they interchange? RC-808 vs. TSR-8
Replies: 4
Views: 2418

As best I can tell, the pinout the TSR-8 is expecting is this: 1. +5v 2. Ground 3. N/C 4. N/C 5. Data line 6. Record LED 'A' 7. Record LED 'C' 8. N/C shell - Ground If someone knows the pinout for the remote on the DA-38, we can see if it matches. That's no guarantee it would work of course, since t...
by jpmorris
Tue May 06, 2008 5:15 am
Forum: Creative Recording
Topic: Trying to hold on to tape in a digital world
Replies: 33
Views: 9106

I may as well throw my hat in the ring. Admittedly I'm doing this as a hobby, but I do everything on 1/2" 8-track with DBX. Admittedly most of it is sequenced, which gives me a lot of leeway in making tracks go further - but I can also lock in a second 8-track if I need it. Most songs work well enou...
by jpmorris
Wed Apr 23, 2008 2:58 am
Forum: Creative Recording
Topic: tape deck + pre amp recos
Replies: 6
Views: 4254

1/4" tape at 15ips with 2-track stereo was the standard mixdown format from something like the mid-sixties to the mid-nineties or so. 7.5 might be okay, I haven't really tried it, but 15 was the standard. And yes, the PR99 mk2 or mk3 is probably the best plan (barring a Studer or some other large ma...
by jpmorris
Tue Apr 22, 2008 4:46 am
Forum: Creative Recording
Topic: tape deck + pre amp recos
Replies: 6
Views: 4254

Tape stock shouldn't be a problem. RMGI, ATR and Zonal are all making 1/4" tape (though the latter is difficult to obtain outside the UK). As for the machines, it might be an idea to obtain something a little more mainstream in terms of parts. A semi-pro deck like the Tascam 32, BR20 or the high-spe...