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Old 18th September 2009, 04:08 PM   #1
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Default Advice on connector type for outboard PS

I'm planning a phono stage with an outboard PS. I will need a connectors for the B+ power cord. Other than Cinch-Jones and molex, are there better choices?
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Old 18th September 2009, 04:12 PM   #2
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Personally, I think the military style Amphenol olive drab circular connectors to be the best, at a ridiculously high price.
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Old 18th September 2009, 04:34 PM   #3
ChrisA is offline ChrisA  United States
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Quote:
Originally Posted by Captn Dave View Post
I'm planning a phono stage with an outboard PS. I will need a connectors for the B+ power cord. Other than Cinch-Jones and molex, are there better choices?
Use coax cables, the type used for radio transmitter antenna. Theses are rated for high voltage and don't cost much. Also the B+ is completely encased in a protective braided sheild. You can buy these cables already made in any length or make you own. The crimp type need a special tool but the clamp type screw together.


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Buy them here (and many other places)
http://www.rfparts.com/c-bnc.html
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Old 18th September 2009, 04:40 PM   #4
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Some info here -

http://www.diytube.com/phpBB2/viewtopic.php?t=3636
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Old 18th September 2009, 04:49 PM   #5
piero7 is offline piero7  Italy
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Old 18th September 2009, 05:15 PM   #6
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There may be better choices, but I've used octal sockets, both 8 and 11 pin with matching male connectors with success and no problems. Just remember to ensure that the energized end is the female end, so if the power supply is "turned-on" while disconnected, no dangerous live pins will be exposed.

Triode Electronics Online sells them

http://store.triodestore.com/amphenol.html

Stuart
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Old 18th September 2009, 05:29 PM   #7
AndrewT is offline AndrewT  Scotland
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3pole, 4pole and 5pole XLRs are available in a range of plug and socket types.
these can take adequate current and voltage for a PSU.
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Old 18th September 2009, 08:18 PM   #8
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Just my $.02

#1. If the Phono stage has any significant value B+ capacitors on its chassis, the exposed pins of an octal would not be a good idea.

#2. Chris A's idea along with Andrew's look to be about the safest and relatively secure.

#3. One thing I would consider is avoiding any connector that is the same as something else you have at hand. ie; if you have XLR's in the system avoid them.

#4 Be sure to take into account kids pets etc. Personnally I would use something with 4 pins so that you can run the primary (120V) through it so that it "kills" the supply when disconnected.
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Old 18th September 2009, 08:24 PM   #9
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Quote:
Originally Posted by AndrewT View Post
3pole, 4pole and 5pole XLRs are available in a range of plug and socket types.
these can take adequate current and voltage for a PSU.

...then plug them into microphone ins.

PS cables must be unique.
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Old 18th September 2009, 09:06 PM   #10
athos56 is offline athos56  United States
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Quote:
Originally Posted by Wavebourn View Post
...then plug them into microphone ins.

PS cables must be unique.
LOL, that would be fun, or not...
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