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Old 26th December 2010, 09:39 AM   #1
Skorpio is offline Skorpio  Denmark
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Default Recomended connectors?

Hi,

I am building a TubeLab Simple SE on a two chassis layout. On for PSU and one for the amp.

I need to interconnect the two parts with a cable and connectors. 450VDC high voltage (2 pins) and 6.3VAC heater voltage (2 pins).

Can any recomend a 4 way connector for this job?
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Old 26th December 2010, 11:51 AM   #2
cjkpkg is offline cjkpkg  United States
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Curious why you are choosing this path as the CRC filtering and rectifier are all integrated on the PCB...Unless its a transformer issue...

I have seen people use the multi-pin round RF plugs - you will need something suitable for 500V A/C duty and at least 6 "runs" (2XHV 2X5V 2X6.3V) unless you are off-boarding the rectifier - OR - if you go SS rectifier you no longer need the 5V winding)
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Old 26th December 2010, 12:22 PM   #3
cjkpkg is offline cjkpkg  United States
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something like this
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Old 27th December 2010, 07:55 AM   #4
Skorpio is offline Skorpio  Denmark
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Thank you, looks interesting!

The set-up is a follows:

1. chassis is with power transformer, rectifier tube, capacitors and choke.
2. chassis is with output tubes and transformers, input tube and in/out connectors

Reason for two chassis is to avoid a large unhandy amp and to be able to seperate components. Power transformer is very large...

I am not using the PCB from Tubelab, all is P2P wiring...
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Old 27th December 2010, 11:46 AM   #5
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AMPHENOL|AP-4-12|LOUDSPEAKER PLUG, 4P | CPC

Amphenol AP1. Cheap, very solid, 660v, commonly available. What is there not to like!

andy
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Old 27th December 2010, 02:26 PM   #6
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Are you going to run a safety ground conductor between the chassis?

I'm using an Amp CPC series connector for the umbilical on my Tubelab SE, pretty much the same as the connector cjkpkg linked to in post #3.

Last edited by boywonder; 27th December 2010 at 02:29 PM.
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Old 27th December 2010, 03:19 PM   #7
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I use Tyco circular connectors for my Tubelab SE. They are cheap and work well.

Use male and female plugs for the cable (male towards power transformer chassis and female plug towards output transformer chassis).
http://www.mouser.com/Catalog/catalogusd/642/1332.Pdf
Then select the receiving plugs accordingly. You should have a wire for ground line as mentioned earlier by another member.

Make sure to get this pin extraction tool also. You will be glad you did.

Last edited by Evenharmonics; 27th December 2010 at 03:34 PM.
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Old 28th December 2010, 01:03 PM   #8
Skorpio is offline Skorpio  Denmark
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Quote:
Originally Posted by andyjevans View Post
AMPHENOL|AP-4-12|LOUDSPEAKER PLUG, 4P | CPC

Amphenol AP1. Cheap, very solid, 660v, commonly available. What is there not to like!

andy
Very nice!

And absolutely my choice if not for the mating part only are 50V working voltage?? And 10A current compared to 20A?? Strange.....

AMPHENOL|AC4FDZB|XLR SOCKET, 4P PANEL, UNIFIED | CPC
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Old 28th December 2010, 01:33 PM   #9
Trebla is offline Trebla  United Kingdom
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I use these between power supply and amp. No problems with B+ of 290vdc.

PX0551 Flex Mount Male Circular Connector : UK and European Mains Power Connectors : Maplin
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Old 29th December 2010, 12:23 AM   #10
tomchr is offline tomchr  United States
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I suggest making power out connectors (both on the supply and on the cable) female. That way it's harder to chock yourself by touching the end of the cable.

Don't push your luck with low voltage connectors. The working voltage is determined by the contact spacing and the dielectric breakdown of the plastic.

~Tom
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