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Audio Innovations - problem with switches

73.129.156.165
Posted on October 7, 2023 at 18:36:40
Michael V
Audiophile

Posts: 295
Location: Washington, DC
Joined: February 9, 2007



I recently purchased an old Audio Innovations step up transformer unit, which seems to have an issue with the toggle switches that allow you to use different impedance settings by using the transformer primary windings in series or parallel. Initially there was no sound from one channel in the "Low" setting, and after flipping the switch a lot, it now works but only intermittently.

Is there any way to clean the contacts on toggle switches like this, or is the only option replacing the switches?

 

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RE: Audio Innovations - problem with switches, posted on October 7, 2023 at 23:31:02
Triode_Kingdom
Audiophile

Posts: 10237
Location: Central Texas
Joined: September 24, 2006
 You're dealing with such tiny signal levels, I wouldn't trust the switches once this happens. Digikey and Mouser probably have suitable replacements. Gold plated contacts would be the way to go, but I don't know if toggles are available with that option.

 

RE: Audio Innovations - problem with switches, posted on October 8, 2023 at 08:03:04
Uncle Mike
 I'm sure there woulds be something suitable with silver contacts if gold isn't available

 

RE: Audio Innovations - problem with switches, posted on October 9, 2023 at 18:36:50
Alpha Al
Industry Professional

Posts: 2960
Location: N. Carolina
Joined: February 16, 2004
Contributor
  Since: December 3, 2015
 Mouser sells the E-Switch line which have Gold contacts.

I use this one: 612-100-A2472

This one is not the one you need (it's PC mount), but they will have one you could use.

 

RE: Audio Innovations - problem with switches, posted on November 7, 2023 at 16:37:07
dericmc@live.com
Audiophile

Posts: 101
Location: Amarillo Texas
Joined: October 21, 2023
 buy you some caig products operate 100 times they will loosen up if not the yes youll need to replace the toggle switches

 

RE: Audio Innovations - problem with switches, posted on July 17, 2024 at 18:13:41
dadbar
Audiophile

Posts: 1683
Location: Portland OR
Joined: June 29, 2003
Contributor
  Since: March 25, 2006
 Those kinds of switches are nothing but trouble. figure out what setting you need and hard wire it, bypassing those switches entirely. Then you won't constantly be reaching for the deoxit.

 

RE: Audio Innovations - problem with switches, posted on July 17, 2024 at 18:39:16
6bq5
Audiophile

Posts: 4612
Location: SF Bay
Joined: August 16, 2001
 these switches could work -
all depends upon your eyesight and a light touch with the soldering iron...
Happy Listening

 

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