5 and 7 pin connectors

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Folks:

I am considering building a 2-chassis dual mono preamp, and will need at least a 5 pin connector on both chassis and the umbilical (chassis ground, left channel V+ and V-, right channel V+ and V-). If the channels require their own grounds as well, I'll need a 7 pin connector. I was thinking about adding 2 more pins for LEDs on the line amp chassis, but this is getting ridiculous.

Does anyone know of a good source for 5 and 7 pin connectors?

What the heck -- how about 9 pin connectors (are those computer connectors substantial enough to carry the current)?

Thanks,
Scott
 
I have used 9-pin "D" connectors to feed power and control signals to a preamp. It had a motorised pot and relays to switch inputs, so there was a fair bit of current, and there has been no degradation of the contacts in over 5 years. I used a standard serial data cable too, one that has all the pins wired, (some are available with only data in and data out connected).
This was so successful that I am about to use the same principle for my latest amp.:)
 
AuroraB said:
By any means--do avoid the old DIN plugs.....
D-plugs - or Sub-D more correctly- is a cost efficient solution...XLRs will also do fine
If cost is no object - go for Bendix or Amphenol bayonet MS type plugs....
( military style... MIL-C-26482 series )

I see no reason why DIN plugs should be avoided. They are available in solid metal with Renk lock. See


here.
(upper left image).
 
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