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7th March 2010, 02:41 PM
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#1 |
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diyAudio Member
Join Date: Dec 2007
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Another T-400a question (sorry)
I always feel like I am hijacking this forum when I ask a 400a question...
My 400a's power switch/breaker (JC1-AB-B8-A) failed a while ago. I was able to get some similar form-factor switches and made the swap with no problems. So far so good. I was trying to help another 400a owner replace their failed switch but they say that their switch "snaps in" rather than aitches via screws as mine does. Of course the production runs will have switches from a variety of vendors but I have not seen a "snap in" switch. very 400a I have seen has visible mounting screws above and below the power switch. Have you seen otherwise? Do you know of a replacement switch/breaker? Thanks, j |
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7th March 2010, 03:07 PM
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#2 |
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The one and only
Join Date: Mar 2001
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There was a version which used a standard type snap-in.
I think you can find the replacement at Digikey or similar vendor. 
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7th March 2010, 06:03 PM
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#3 |
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diyAudio Member
Join Date: Jul 2005
Location: D-55629 Schwarzerden
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about Threshold's "T-400a" (T400a) I have never heard and don't find informations. I think, it is Threshold's version "400a" from the follow URLs and attachement:
400A Threshold ¥Ï¥¤¥Õ¥¡¥¤Æ² Ãæ¸Å¥ª¡¼¥Ç¥£¥ªÇã¼è¡¦ÈÎÇ䡦ÄÌÈΡ¦°ÑÂ÷ÈÎÇä McIntosh/JBL/audio-technica/Jeff Rowland/Accuphase/¿¿¶õ´É¥¢¥ó¥×/¥È¥é¥ó¥¹Â¾¥ª¡¼¥Ç¥£¥ª¤Ê¤ó¤Ç¤âÇ㤤¤Þ¤¹ ²¼¼è¡¦ÄÌÈΤâ¤ä¤ê¤Þ¤¹ View Item MercadoLibre: AMPLIFICADOR Y PREAMPLIFICADOR THRESHOLD ESTUPENDO Aa1 - $ 33700.00 Threshold 400A sample tune (disass'y) the name of this switch in colloquial english is "Rocker" - so I think "rocker switch" - Google Search or "paddle switch" http://media.digikey.com/photos/E-Sw...3405AL-RED.jpg here some manufacturers, that I have found: Rocker switches full range - entire range of rocker switches by Arcolectric Rocker/Paddle Switches Product Feature Selector - Tyco Electronics http://docs-europe.origin.electrocom...6b808b3d10.pdf http://docs-europe.origin.electrocom...6b8054d6fc.pdf http://docs-europe.origin.electrocom...6b8081b7d4.pdf molveno 16a rocker switches : Maplin Electronics Rocker | Digi-Key Very important it is to find a brand, which offer very high quality versions with suited material for large inrush currents while "swtich on" on the contact carriers. Unfortunately I cannot give advices therefore. But I can say, that versions for low costs are not really good quality regarded life time and reliability. I have heard about versions for disass'y, where the contact devices are to replace. Try to find such a version. On this thread you will find an overview about other kinds of main switches, but some of this brands offer also rocker switches: Top quality main switches for audio-hifi comp (Rotary and Pushbutton Power Switches) B & K 501A mint FET transistor curve tracer, for Osh Russia - JPCTRADE X Yahoo! Auction Last edited by tiefbassuebertr; 7th March 2010 at 06:14 PM. |
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7th March 2010, 06:09 PM
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#4 |
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diyAudio Member
Join Date: Jul 2005
Location: D-55629 Schwarzerden
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High resolution photo of the 400A (not T400A)
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