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 Amphenol 71-4 8-088 4 Pin Speaker Plug
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 Return to top of page · Post #: 1 · Written at 11:47:58 AM on 14 December 2021.
Cpsmusic's Gravatar
 Cpsmusic
 Location: Melbourne, VIC
 Member since 18 February 2014
 Member #: 1507
 Postcount: 53

Hi All,

A family member has asked me to repair a broken speaker cable plug from a vintage HiFi unit. One of the pins has come out of the plug.

From what I can see, the plug is an Amphenol 71-4 8-088 4 Pin Speaker Plug. I know Amphenol are still around but was wondering whether they still make these as a web search hasn't brought up anything?

If not, is there a suitable replacement? Or will I have to get a NOS one? Or can they be repaired?

Note that I don't have the plug in front of me at the moment, just working off pictures.

Cheers,

Chris
 
 Return to top of page · Post #: 2 · Written at 2:19:29 PM on 14 December 2021.
Tallar Carl's avatar
 Tallar Carl
 Location: Latham, ACT
 Member since 21 February 2015
 Member #: 1705
 Postcount: 2215

Is this what you mean

https://www.ebay.com.au/itm/233940501261
 
 Return to top of page · Post #: 3 · Written at 5:04:00 PM on 14 December 2021.
GTC's avatar
 GTC
 Location: Sydney, NSW
 Member since 28 January 2011
 Member #: 823
 Postcount: 6864

That style of plug and socket has been obsolete for years.

NOS here: https://www.ebay.com.au/itm/402261291559

Or can they be repaired?

I have repaired broken plugs before, but the possibility and viability of doing that depends on the damage. Need some good photos.

If push comes to shove, you could maybe use a standard 8 pin valve socket and make a plug from the base of a dead octal valve. After soldering in the wires, fill the base with black epoxy.
 
 Return to top of page · Post #: 4 · Written at 5:29:59 PM on 14 December 2021.
Cpsmusic's Gravatar
 Cpsmusic
 Location: Melbourne, VIC
 Member since 18 February 2014
 Member #: 1507
 Postcount: 53

"Is this what you mean

https://www.ebay.com.au/itm/233940501261"

Yes, that's it.
 
 Return to top of page · Post #: 5 · Written at 7:59:19 PM on 17 December 2021.
Ian Robertson's Gravatar
 Ian Robertson
 Location: Belrose, NSW
 Member since 31 December 2015
 Member #: 1844
 Postcount: 2604

It's the same as a UX 4 pin valve base.

Depending on which pin is broken you can replace it with an M4 or M5 screw.
 
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