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Old 26th May 2020, 09:12 PM   #1
dcgibby is offline dcgibby  United States
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Default TU-8500 Broken Switch

I recently assembled a TU-8500 Preamplifier kit and I enjoyed it quite a bit. Unfortunately one of the push switches was damaged and/or faulty. Once pushed in it won’t release. Does anyone have a part number so I can order a replacement?

For anyone attempting this kit, you might consider using heat shrink tubing to connect the switches to their shaft in Step 1 of the Body Assembly. I believe forcing the vinyl tubing over the switch shaft may have caused the damage. Thanks for you help.
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Old 1st June 2020, 05:59 AM   #2
Hmavv is offline Hmavv  United States
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Maybe Victor can help you, Try contacting him directly.

Got any pictures? it's possible that you might have covered too much.
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Old 2nd June 2020, 05:17 PM   #3
dcgibby is offline dcgibby  United States
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I've been in contact with Victor and sent him pictures. It's unclear at this point if he's willing to help.[IMG]C:\Users\Dave\Pictures\2020-05[/IMG]
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Old 2nd June 2020, 07:06 PM   #4
vkung is offline vkung  Canada
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Sorry, I did not receive any email from you..
We sold more than 1000 pcs of TU-8500. We are not recommended to use shrink tubing.
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Old 3rd June 2020, 04:38 AM   #5
dcgibby is offline dcgibby  United States
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Sorry, thought I was dealing with Victor. I'm dealing with Tube Depot.
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Old 3rd June 2020, 04:13 PM   #6
vkung is offline vkung  Canada
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Please do not use heat shrink tubing to connect the switches. it is not recommended.
IT is very rare you have a defective switch...

Currently, the is no (EMS) postal service from Japan.
I can take one new switch from the new TU-8500 to ship to you but you need to bear the tracking shipping cost $12.50.
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Old 3rd June 2020, 05:40 PM   #7
dcgibby is offline dcgibby  United States
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Sure Victor. Just tell me how to get in touch with you for address and billing info.
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Old 3rd June 2020, 06:52 PM   #8
vkung is offline vkung  Canada
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please email your address to info@vkmusic.ca
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Old 3rd June 2020, 07:08 PM   #9
vkung is offline vkung  Canada
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you need to use solder wick to remove the solder..
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Old 12th June 2020, 05:53 PM   #10
dcgibby is offline dcgibby  United States
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Kudos to Victor. He supplied me with the switch and all is now well. Thanks.
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