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NAD 7600 replacement relays

U

urarnut

New Member
I recently acquired an NAD 7600 locally for a good price. Fantastic piece of gear even if I never listen to over-the-air broadcasts any more. All seemed to function properly until I tried hooking up 2 sets of speakers and switching between them. Switching did not work. Also, it started cutting out at lower volume levels. I suspect these are symptoms of bad relays which is endemic to NAD. Where do I find the replacement relays? I believe there are 4 needed and that they are NOT the same as the NAD 2600A amp protection relays which are well documented. Here is what I found so far:
1) 7600 relay set These are reasonably priced from a UK supplier but, I see no mention of them anywhere else and they look like custom fabrication.
2) user photos from another forum stereo-hifi.com id the original part as Mitsubishi JR1aF 24VDC. Digikey and others show this as an obsolete part, no longer available
3) I found one supplier Heisener showing over 6,000 in stock. Waiting for a quote
Has any one here done this replacement? What are the key specs that I should be matching?
 
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urarnut said:
I recently acquired an NAD 7600 locally for a good price. Fantastic piece of gear even if I never listen to over-the-air broadcasts any more. All seemed to function properly until I tried hooking up 2 sets of speakers and switching between them. Switching did not work. Also, it started cutting out at lower volume levels. I suspect these are symptoms of bad relays which is endemic to NAD. Where do I find the replacement relays? I believe there are 4 needed and that they are NOT the same as the NAD 2600A amp protection relays which are well documented. Here is what I found so far:
1) 7600 relay set These are reasonably priced from a UK supplier but, I see no mention of them anywhere else and they look like custom fabrication.
2) user photos from another forum stereo-hifi.com id the original part as Mitsubishi JR1aF 24VDC. Digikey and others show this as an obsolete part, no longer available
3) I found one supplier Heisener showing over 6,000 in stock. Waiting for a quote
Has any one here done this replacement? What are the key specs that I should be matching?
Click to expand...
I think:
Omron: G2R-2A4-DC24
or
Panasonic: JW2ASN-DC24V

Your first link looks exactly like DBX BX3 relays and the above both work in them.
 
Photo of the original relay is in the second link of my post. Sorry if it was not more obvious. You are right. I should be able to figure it out from that spec. Looks like a SPST 24V 16amp with a 1a pin configuration. Would you agree?
 
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