Question about Crate SPA1600 Power Amplifier - SPA Series Car Audio Amplifier
Intermittent shorts in a 7 year old Crate Limo TX50DE Guitar amplifier.
Symptoms: Both the Voice Channel and the guitar channel pop, rattle and cut-out for no apparent reason. Also the guitar channel only works on the ''clean'' setting. The distortion side of the amp is non-functional completely.
Finally, the ''effects'' seem to switch around on their own. I set it at a light reverb, and pretty soon it's got ''chorus'' or something else instead.
I've already spotted some poorly soldered pot connections, but I suspect more issues.
I'm looking for a schematic. I have an engineer friend with an affinity for electronics (and specifically guitar amps) who has offered to debug it for me-provided I can locate a diagram).
Turn that ****** on and get a can of freeze spray. coming and going type issues is usually related to a failing electrolytic capacitor. there may also be a bad mosfet, rectifier, diode, etc. i would be suspect to caps. schematics probably only available thru crate and you have to pay a couple bucks, but trust me its worth the couple bucks spent and having it on its way than wasting hours online not getting anywhere. by the way i checked my sources and came up with nada.
Posted on Jan 21, 2010
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Technician (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
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