Otari cards in stock:


These are new old stock from a factory buyout. The two PB9A266 cards are the only used cards on the page, all others are new in original Otari packaging. As of 9/27/2013, there were 116 new cards and 2 used cards in stock. After selling some individual cards, the cards were recounted, and as of 12/11/2013, there are 97 new cards remaining and no used cards.

Otari cards are very difficult to identify, because they don't have anything useful written on them, and often are referred to by one name (something totally nondescript and meaningless), but have that name or even another printed on the card. Sometimes they are referred to by the first with no mention of it on the card, where the card only has the second, so someone needing a replacement for the card is going to refer to it by the second name, not even knowing the first and "real" name that Otari themselves would call it by. Very often, one number (the correct part number Otari would refer to it as) is written on the bag, and the "PB9Axxxxx" PCB number is the only thing written on the board, so the minute you take it out of the bag, you no longer know what part it is.

For this reason, I have tried to list both names if they are known to me, and where they were written. This might put the cards out of the intended numerical order on this page, but you can text search this page to find the part number or part of it.

As noted above, some of these have markings on them, but are packed in original Otari factory packaging and have another part number written or tagged on the bag, so I have noted that, too.

Giving the cards markings like "MX5050 MKIII CPU card" would have made too much sense, so Otari gave them catchy names like "PB9A870C".

If a field is left blank, such as the application, the information is not known. Web searching every single part number only turned up names for a few of the cards. By all means, if you know what a card is for and I don't have it listed, please let me know.

These are priced below, mostly at $30/each for the larger cards and $20/each for the smaller cards and modules, but if some audio tech would like to stock up on the last of the new Otari cards, then I will sell the entire lot (two large boxes) for $250 plus shipping anywhere in the world.


The first table lists all the larger sized cards, $30/each except as noted:
QUANTITY
 PART NUMBER
 APPLICATION
 APPROX. MFG. DATE
 NOTES
1
 PB-1CEC
1985?
 secret black conformal coated modules on PCB
2
 PB-4BRB aka PB9A870C
1989
sold out
 PB-4FBA MX-80 reel control card 1988
2
 PB-4RPA
1991
1
 PB-4NCA
1996
2
 PB-7CZA
1985
 Z80A CPU board
5
 PB-7JTA "MOTHER A PCB"
1986
1
 PB-7PGA
2000s
1
 PB-7PYA


1
 PB-7VJA (on PCB)
1994
 corner finger push tab says "SERIAL"
4
 PB-7WXA

extender card for service
1
 PB-16MA "BIAS-TC.1-TC.2-CP-E" on frame
1985
 early card, no soldermask
5
 PB-19BA
1986
6
 PB-42R (on bag, 1 of them)
PA462 (on bag, 2 of them)
PM-957B PB9A199A (on all PCBs)
1979-1981
 some very early cards, no soldermask
1
 PB-46HB
1994
 has 3-digital mechanical counter on it
sold out
 PB-48LA (on all PCBs and all bags)
 MX-70 reel control
 1985
 all the last 4 are lots I-J and have small riser PCB (presumably PB-7KUA) on them (previously sold were lots A-H without)
2
 PB-48VA (on bag)
"RSLV-TB REV B" on PCB
1983
3
 PB-48XA
1988
1
 PB-71D (on bag)
PM823B and PB9A053A on PCB

early card, no soldermask, hand soldered
1
 PB-IAEAA
2001-2002?
 in box
1
 PM807B and PB9A047A on PCB

early card, no soldermask
3
 PB-ICNB or PB-1CNB
1994
 corner finger push tabs say "IEC"
sold out
 PB9A266 "AUDIO" on frame
 probably MTR-90
 1978
 these are the only cards on this page that look used, some hardware (frames and/or ejector latches) missing
sold out
 PB-45Z aka PB9A462 "TAPE COUNTER" on frame
 MTR-90 tape counter
 1982
sold out
 PB9A645B (on all PCBs) aka PB-48BA (on 1 bag) aka PB-48RA (on 2 bags)
 MX-70 transport control, 8085A CPU
 1985
 typical Otari nonsense, same 3 PCBs w/2 different names on tags (PB-48BA and PB-48RA), one of the -RAs has two EPROMs, the other two cards have one EPROM each (same firmware as each other, but different from the one with two EPROMs), have red pushbutton in upper right corner


The second table lists all the medium sized cards, small sized cards, modules, and displays, $20/each:
QUANTITY
 PART NUMBER
(click for photo)
 APPLICATION
 APPROX. MFG. DATE NOTES
1
 PB-4FKA
1986
 top finger push tab says "OSC", card says "OSC PCB"
2
 PB-4ULA on bag and PCB, PB9B794 also on PCB
1980s
1
 PB-17XAA
1980s
4
 PB-19KA "REC AMP PCB 000-7108-0" on PCB
1986
2
 PB-44E
1996
1
 PB-45B

"Timer Drive PCB" (on bag)
5
 PB-45D, PB-45DB on bag, PB9A371C on PCB
 might be for MX-70/MX-80 or similar, as it is the same size/shape with the same metal handles as the MX-70 capstan drive PCB PB9A369B
 1984
15
 PB-45E
1981
sold out
 PB-45MA aka PB9A456B (PB-45MB*)
 part of MTR-10 MTR-12 MTR-90 IPS display
 1987
 *MTR-90III manual says PB9A456B is the PCB of PB-45MB speed calculate PCB assembly
sold out
 ??? aka PB9A368A
 part of MTR-10 MTR-12 MTR-90 IPS display 1983
3
 PB-46UB
1984
1
 PB-63KA

"POWER GATE PCA" (on box)
sold out
 82G (on bag) PB9A370A (on PCB)
 part of MTR-10 MTR-12 (and MTR-90?) IPS display 1980s
 4 buttons, display, 2 LEDs
sold out
 PB-7TXA
 MTR-15, MTR-15T time display
 1990s
 10 buttons, display
1
 PB-ICFA or PB-1CFA on PCB, also PB9B593A on PCB
1985
2
 PB-9A177A (on PCB)
 MX5050-MKIII
 1985
 4 switches: edit, reel, speed, power

Last updated 12/22/2021


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