Otari MX-80 Output driver
blue_thunder
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#1
16th December 2009
Old 16th December 2009
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Otari MX-80 Output driver

Can anyone tell me what output driver the Otari MX-80 uses? It's the tall black c shaped component near the top of the card. There should only be one of these on each card and it's one of the larger components, so it should be fairly easy to spot. If you could give me the part# off of this component, I would greatly appreciate it.

Thanks,
Joe
#2
17th December 2009
Old 17th December 2009
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As far as I know, that was a custom part made by/for Otari.

Bri
#3
17th December 2009
Old 17th December 2009
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Quote:
Originally Posted by brianroth View Post
As far as I know, that was a custom part made by/for Otari.

Bri
That's what i was told when I had to get one from Otari many years ago.
blue_thunder
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#4
17th December 2009
Old 17th December 2009
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Yeah, I know it's a custom part. I was wanting to see if it was the same part used in the MX-70. A couple of the cards in my MX-70 have the older drivers and I think one of them may be going bad (hearing a crackling sound for several minutes when I first turn the machine on and occasionally after that, relays have already been replaced with Omrons). I was hoping that since the MX-80 is so similar to the MX-70, that they might have the same output driver. If that's the case, I could just buy a used card from an MX-80, which are fairly easy to find, and swap the drivers. Otari says they can sell me the driver for an MX-70, but I could buy 5 or 6 used MX-80 cards for less that what they quoted me for 1 driver. Plus, it will take Otari 2-3 months to ship the part.

Thanks,
Joe
#5
17th December 2009
Old 17th December 2009
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nosebleedaudio's Avatar
 

0178 sounds familiar..
Was custom for that and other Otari machines.
blue_thunder
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#6
17th December 2009
Old 17th December 2009
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Quote:
Originally Posted by nosebleedaudio View Post
0178 sounds familiar..
Was custom for that and other Otari machines.
I-0178-B is the driver that I'm looking for. Can anyone confirm whether or not that's the driver on the MX-80 audio cards?
#7
17th December 2009
Old 17th December 2009
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I will take a look in a few hours when I get home
#8
17th December 2009
Old 17th December 2009
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Rick Sutton's Avatar
 

OK. Here 'ya go.
from a spare MX80 card i purchased recently.......I-0178-B
BUT when I pull one of the cards from my machine the number is I-0125
Looks the same though.... pretty sure they are the same but you better check with Otari
#9
17th December 2009
Old 17th December 2009
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Lives for gear
I bought some spares from the guy who is selling them on ebay now, that chip is indeed I-0178-B
blue_thunder
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17th December 2009
Old 17th December 2009
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Quote:
Originally Posted by Rick Sutton View Post
OK. Here 'ya go.
from a spare MX80 card i purchased recently.......I-0178-B
BUT when I pull one of the cards from my machine the number is I-0125
Looks the same though.... pretty check with Otari

From what I've read, the MX-70 originally came with I-0050 drivers, which are what's in my machine and are most prone to failure. Later they switched to the I-0125 drivers, and then finally to the I-0178-B drivers. I'm told that the I-0178-B are the most reliable of the 3.
#11
4th January 2010
Old 4th January 2010
  #11
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DerrickH's Avatar
 

That's exactly right and the chips are interchangeable.
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