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Alembic Club » Owning an Alembic » Troubleshooting » Archive through June 11, 2010 » F2B pre amp « Previous Next »

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Username: jackiet

Post Number: 1
Registered: 4-2009
Posted on Friday, April 10, 2009 - 1:16 am:   Edit Post

I have a '83 built F2B that on ch1 after playing for a while cuts out then after a while comes back sometimes at lower volume and/or distorted then cuts out. Ch2 is fine I have changed the valves several times but I still have the problem.
Does anyone have any suggestions?
Username: mica

Post Number: 6037
Registered: 6-2000
Posted on Friday, April 10, 2009 - 9:43 am:   Edit Post

Probably just need to clean the mono output jack. You'll find all the details here. If you perform this mechanical cleaning and the problem persists, the mono jack may have to be replaced.
Username: jackiet

Post Number: 2
Registered: 4-2009
Posted on Saturday, April 11, 2009 - 12:39 pm:   Edit Post

Thanks Mica I will give it a try

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