Fuse looks good...speakers may have gotten wet...no obvious burns or breaks on circuit boards...1990`s vintage...direct short in pwr supply? buzzes loudly..as if no ground anywhere.
SOURCE: Nothing but loud buzzing coming over the amp.
If the buzz disappears when you unplug the cable from the amp. check your cable.
If the buzz disappears when you unplug the cable from the instrument, there's something thay may have come loose inside the instrument.
If you unplug the cable from the amp., and the buzz persists, you'll have to have a competent tech. check your amp.
SOURCE: bass amp blowing fuses
Hi
Go to www.ezrepair.ca and send it to us.
We will diagnose your unit for free and give you an estimate in a 48H maximum period.
SOURCE: looking for a circuit board manual or diagram for
try the Crate Website
http://www.crateamps.com/support/discontinued.phprate
SOURCE: I have a crate PA 8 and it makes a crackling noise
Hi
The problem is with the amplifier itself. Crackling is usually capacitor related and you will need to have the amp checked over to properly identify the cause.
Some amps are also prone to pick up static from other electrical items which can also cause these problems. I had a crackling issue with an old Crate amp of mine which turned out it was due to being too near a computer/monitor so it is worth eliminating these things as a possible cause before having the amp checked.
Hope this helps. Thanks for using FixYa.
SOURCE: crate pa6fx powered mixer, powers on but when I
It is likely that there is a failure of one of the amps in the unit. It could be a cracked circuit board, bad solder, bad volume control, or a bad compnent in the power amp section for one side. HOWEVER something does NOT compute here as you can't connect more than one speaker to a 15 Watt Crate amp... Maybe you have two of these amps.
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