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-   -   Recomended connectors? (http://www.diyaudio.com/forums/tubes-valves/179811-recomended-connectors.html)

Skorpio 26th December 2010 10:39 AM

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?

cjkpkg 26th December 2010 12:51 PM

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)

cjkpkg 26th December 2010 01:22 PM

something like this

Skorpio 27th December 2010 08:55 AM

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...

andyjevans 27th December 2010 12:46 PM

AMPHENOL|AP-4-12|LOUDSPEAKER PLUG, 4P | CPC

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

andy

boywonder 27th December 2010 03:26 PM

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.

Evenharmonics 27th December 2010 04:19 PM

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.

Skorpio 28th December 2010 02:03 PM

Quote:

Originally Posted by andyjevans (Post 2411694)
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

Trebla 28th December 2010 02:33 PM

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

tomchr 29th December 2010 01:23 AM

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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