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<150   Joined: 09 Jul 2008, 17:44 Posts: 68 Location: Vancouver island, Canada Likes Issued: 0 time Likes Received: 0 time 
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 JCM 900 bias potNot too sure here so a little help would be greatly appreciated.
Is this little donut looking thing the bias pot for this amp??? Attachments:
amp 010.jpg [ 621.66 KiB | Viewed 1469 times ] |
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| 29 Mar 2009, 19:04 |
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El Jefe   Joined: 31 Jul 2007, 19:02 Posts: 11317 Location: 21°15'27.67"N 86°45'4.87"W Likes Issued: 913 times Likes Received: 1091 times
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Re: JCM 900 bias pot Take a look at the video link below, shows a JCM 800 being biased. The 900 is similar. DON'T FRY YOUR ASS
 http://www.eurotubes.com/video/Generic-Bias.wmv _________________ My Gear Surf's Jukebox 
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| 29 Mar 2009, 19:28 |
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Gold Member   Joined: 02 Aug 2007, 16:49 Posts: 1103 Location: Sweden Likes Issued: 28 times Likes Received: 15 times
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Re: JCM 900 bias pot I don't know but doesn't the BIAS trim pot in Marshalls look more like this:
 Perhaps you can read something out from these http://www.drtube.com/marshall.htm#JCM900 |
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| 30 Mar 2009, 03:34 |
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<150 Joined: 09 Jul 2008, 17:44 Posts: 68 Location: Vancouver island, Canada Likes Issued: 0 time Likes Received: 0 time
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Re: JCM 900 bias pot TonyC wrote: I don't know but doesn't the BIAS trim pot in Marshalls look more like this: Perhaps you can read something out from these http://www.drtube.com/marshall.htm#JCM900 Ya man thats what i thot too, but in the video surf put up i could swear the bias pot looked like the one in my amp. |
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| 30 Mar 2009, 17:03 |
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El Jefe Joined: 31 Jul 2007, 19:02 Posts: 11317 Location: 21°15'27.67"N 86°45'4.87"W Likes Issued: 913 times Likes Received: 1091 times
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Re: JCM 900 bias pot The one in the video on the 800 will be the same as your 900 amp. Unless you have a model of a 900 where the bias pot location was moved
 _________________ My Gear Surf's Jukebox
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| 30 Mar 2009, 18:39 |
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