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  1. K

    Problem with Otari MTR-90 MKII 2" 24ch Deck

    My company purchased a vintage Otari MTR-90 MKII. It came without a power cord, so we had to rewire. It came with a 3-pin plug with a twist locking ring. The unit tag said it's 117V single phase. When lookling at the wires I notice they are Black, White, and Brown, not a color cose I'm...
  2. K

    Help Replacing Cassette Player Inventory

    I work for a media archiving company digitizing older media. We have an inventory of approximately 35 Tascam 122MKIII cassette players. I learned today that many of the parts which commonly fail are no longer in production with no spares available. To continue consistent production we need to...
  3. K

    Strange Problem With Studer A810

    I have a Studer A810 with an unusual problem. When cold the capstan motor stalls. I've cleaned and lubricated it (newest version capstan motor w/large bottom clip, Studer PDP65 synthetic capstan oil) thinking there may be too much resistance when cold. The capstan seems to move freely, but...
  4. K

    Studer With Odd EQ Problem

    I have a Studer A807 with an odd EQ issue. I have a deck capable of 3.75ips, 7.5ips, 15ips. It's one of 13 I maintain. During preventive maintenance I noticed the EQ was dipping in the mid-range on both channels. I immediately thought it was a head problem since we use these daily to archive...
  5. K

    Parts for Panasonic AG DS-840/50 SVHS Player

    The company I work for archives media for colleges and other collectors. For VHS we use broadcast quality Panasonic AG-DS840/850s. Lately were having problems getting pinch rollers which is a very common repair with these. I thought I would ask if anyone here may have a source. I appreciate...
  6. K

    EQ Problem with Studer A087

    I have an unusual (to me) problem with one of my Studer A807 decks. On both the 3.75" and 15" speed the mid range has dropped out. I get a flat response for, 32Hz-1KHz and 10KHz to 20KHz, but the mid frequencies are around -8db. The 7.5" EQ looks great. I've tried two different MRL tapes and...
  7. K

    Tascam 122MKIII Transport Problem

    I have a Tascam 122MKIII which had a bad idler tire. I replaced it, but now I'm having a problem. When I attempt to play a tape it plays for a few seconds then stops. It also does this in FFW and REW, each moves for a second or two then stops. The tape isn't bound up, but free and easy to...
  8. K

    Equipment Stand for Sony 1" C-Type Equipment Stand

    We have three Sony 1" C-Type VTRs (BVH-2000). These normally come with proprietary stands. Were looking for either their proprietary stands or heavier duty equipment rack s where the mounting rails are flush with the front of the rack. We've tried several racks, but they had recessed mounting...
  9. K

    Studer A-810 End of Tape Problem

    I'm having a problem with a Studer A-810. At the end of the tape the reel motors don't stop and continue to spin. It will only stop after pressing the STOP button. I've looked at and seen the EOT switches function, so I know it has to be something else. I did notice the left supply reel...
  10. K

    DAT Repair: Sony PCM-7040

    Anyone have a favorite DAT player repair service they can recommend. I have two decks with different issues.
  11. K

    Anyone Familiar With IMX Repair?

    I'm looking for support for several IMX players we have at IU used for archiving. We had a local person for repair, but he retired. We don't have any repairs right now, but looking for support to have when we do need it. All are broadcast quality players.
  12. K

    Studer A810 3 3/4" HF

    I have a Studer A810. Using an MLR Reproducer calibration tapes for 3.75", 7.5" and 15" I performed the level setup, azimuth and EQ. The 7.5" and 15" EQs are fine, but when I attempt to EQ the 3.75" speed the high-end drops almost 8db. I've tried to adjust, but the HF adj is at max. I've...
  13. K

    Studer A810 No Capstan Control

    I have an A810 which seems to be at a constant high speed. I have no PPL light. It flashes occasionally, but never syncs and stays on. I've removed the board and mounted it externally and extended the TAC and motor wires, so I can look at the signals on an O-Scope. It doesn't appear to have...
  14. K

    Revox B77 Logic Problem

    Hi All, I'm currently working on a Revox B77. It has a logic issue where the function buttons are not doing anything. All voltages and fuses are good and capstan is currently turning. My problem is the Tape Drive Control schematic I have has a different IC4 than what is on the board...
  15. K

    Studer A810 Issues After Battery Replacement

    I'm a Noob. I'm working on an A810 after replacing the battery. All the controls seem to work, but I'm getting no output on either the monitor, or headphone jacks. I've verified the monitor is working in another A810 and have tried listening to an inputted source. All I hear is a very faint...
  16. K

    Hello From Indiana USA

    I found this site quite by accident. I'm working with a media archiving company at Indiana University and needed Studer information. I'm an audiophile on a mid-fi budget, but have read and drooled over "What's Best" for about 45yrs. While reading the Studer posts I took some time to check out...

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