Search found 5 matches
- Tue Apr 03, 2018 1:44 pm
- Forum: Buy/Sell/Trade
- Topic: FT: Otari MTR 90 mkii w/remote+autolocater
- Replies: 3
- Views: 2699
Re: FT: Otari MTR 90 mkii w/remote+autolocater
PM'd as well.
- Mon Apr 19, 2010 8:51 pm
- Forum: Creative Recording
- Topic: AKAI M7 M8 / Roberts 770 Mod updates
- Replies: 96
- Views: 129161
roberts 770 as hi-fi w/phono?
Hello, I completed the "two in one" mods a few months ago and have been using both the ef86 pre and the 12ax7 mic pre with wonderful results. (Thanks for all the helpful articles and schematics, Rod!) I am interested in using these amps as a stereo hi-fi too. Does anyone have any suggestions on mods...
- Fri Nov 13, 2009 9:55 am
- Forum: Creative Recording
- Topic: Otari MX5050 1/2" 4 TRACK modded???
- Replies: 2
- Views: 1549
Otari MX5050 1/2" 4 TRACK modded???
I purchased this ATR off ebay earlier this year. It has some peculiar modifications and so perhaps someone has some suggestions about what to do with the machine. 1. The ATR has an added switch labeled internal and external. When switched to external, a motor starts and the reels speed up. (though I...
- Sat Oct 17, 2009 12:52 pm
- Forum: Creative Recording
- Topic: mic input transformer help ---tube mic pre
- Replies: 4
- Views: 2606
thanks for the posts I ll look into the dc resistance.... I hooked them up "trial and error" style until the ground hum and signal cancellations were solved.... i need to investigate a little more. On the "ef86 pre" I think I had some high end clipping.... didn't sound bad, just looked funny in the ...
- Fri Oct 16, 2009 9:33 am
- Forum: Creative Recording
- Topic: mic input transformer help ---tube mic pre
- Replies: 4
- Views: 2606
mic input transformer help ---tube mic pre
I bought these xfmrs pretty cheap and and am wondering if anyone knows what they are/ has data sheets available. One person on ebay is selling them as "beyer 71107 A", but beyer themselves said they were unaware of this xfmr "71107 A". I am currently using them as mic input transformers for a "Rober...