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Old 8th June 2005, 07:40 PM   #1
Mad_K is offline Mad_K  Norway
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Default Pass Labs X2 REV1 Relays?

Does anybody know what make/model/type of relays was used in the X2? (RELAY1 & RELAY2)
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Old 9th June 2005, 06:54 PM   #2
Kermit is offline Kermit  Norway
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It's just a guess, but I think it's this one: http://www.diyaudio.com/forums/attac...amp=1052926903
Same as is used in the Ono. I thinks Pass likes to buy big and use the same components in many of his products. Makes sense.

Cloning an X2 are you? Any plans for making pcb's? I'v been planing on upgrading my preamp, and X2 seems to be a good candidate.
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Old 9th June 2005, 07:05 PM   #3
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We consistently use Aromat DS2Y-S-DC24V. The relay
pictured is a sub made by Matsushita. Very nice relay.
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Old 10th June 2005, 06:47 AM   #4
Mad_K is offline Mad_K  Norway
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Quote:
Originally posted by Kermit
It's just a guess, but I think it's this one: http://www.diyaudio.com/forums/attac...amp=1052926903
Same as is used in the Ono. I thinks Pass likes to buy big and use the same components in many of his products. Makes sense.

Cloning an X2 are you? Any plans for making pcb's? I'v been planing on upgrading my preamp, and X2 seems to be a good candidate.
Good guess! Thanks. Yes, I'm cloning an X2, and I will try to make as good a replica as possible, down to the pcb layout and component choices. I also feel the X2 to be a good candidate
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Old 10th June 2005, 06:54 AM   #5
Mad_K is offline Mad_K  Norway
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Quote:
Originally posted by Nelson Pass
We consistently use Aromat DS2Y-S-DC24V. The relay
pictured is a sub made by Matsushita. Very nice relay.

Thank you Nelson! This works out very nice, as I had figured I would use Omrom G6A-274P-ST-US-24, which is compatible. It just has a little lower coil resistance 2K88 instead of 3k2 for the DS2Y.
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Old 7th December 2005, 11:44 AM   #6
Mad_K is offline Mad_K  Norway
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Default R13 X2 REV1 POWER SUPPLY?

Does anyone know why R13 (4K7) has been added to the output of the -32V regulator in the X2 REV1 PSU?
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Old 7th December 2005, 01:40 PM   #7
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Quote:
Originally posted by Nelson Pass
DS2Y-S-DC24V.
That is an SDS number.
Aromat is Panasonic, Panasonic is Matsushita.
SDS now being NAIS, or Matsushita if you prefer.
Matsushita has used licenses from SDS for decades, the S in SDS from the founder and relay designer Mr Sauer in Germany.
Ever go to Japan and you'll discover how big companies as Matsushita and Mitsubishi industries are.

The SDS DS2Y i started using 2 decades ago, it's a joy observing NP knowing the hardware so well.
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Old 7th December 2005, 02:22 PM   #8
Blues is offline Blues  United States
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Quote:
Originally posted by jacco vermeulen


Ever go to Japan and you'll discover how big companies as Matsushita and Mitsubishi industries are.

Yes, they can build you a nice little relay, a flat screen plasma TV or a high tech oil tanker ship...S. Korea is following suit.
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Old 7th December 2005, 07:31 PM   #9
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Gents,

Forgive my ignorance - how did you find the X2 schematic ?
I thought it was still "secret" since still in production ?

W.
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Old 7th December 2005, 08:39 PM   #10
Buhl is offline Buhl  Denmark
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Hello Wayne
The X2 is no longer in production, and the service manual can be found on www.passlabs.com under downloads.


Cheers !
Buhl
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