Question about Crate SPA1600 Power Amplifier - SPA Series Car Audio Amplifier

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Crate BT50 Bass amp cutting out with high input.

My Crate BT50 cuts out when I add distortion or drive it over a certain level, any ideas?

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  • fadz Feb 27, 2008

    hi, i have 2 kicker L7 15" subs and a directed 2400 monoblock amplifier also a power acoustik 3 farad capacitor. eveything is wired and connectected perfectly with 0 gauge wires but when i seem to put the volume up or increase the bass with my bass controller it starts cutting out both my subs and amp, this is recently as i never had problem like this before. can anyone tell me what the problem might be? my amp gain is to the max but i'v tested it with it down and same problems still occur.

  • Anonymous Mar 03, 2008

    My Crate BT 50 is less than 3 months old, used only for low level practice until last night's gig. Under lower power for tune-up, it cut from low-to-high levels repeatedly. Still does it at home now at all levels. It is unuseable as it is.

  • spurg1 Mar 27, 2008

    I had the same problem with a brand new BT50(distortion channel only). Took it back for an exchange and had the same problem with the replacement. I tried all combinations of guitars, cords and settings but the problem was always there. Last week i bought a new BT220 and it has EXACTLY the same problem. I noticed that MUSIC123 has completely quit selling Crate bass amps. Any ideas on what causes this would be appreciated. Thanks.



1 Answer

Sometimes an amplifier's preamp can't handle certain signals/frequencies at a high gain, so they cut out. Bass guitars are especially prone to giving such a strong signal.
I bought an older, nonworking bass amp recently and fixed it just to find it had the same problem. Best solution is to put a low ohm resistor at the amps input, but if you turn your guitar down to half volume it'll have the same effect: should prevent it from cutting out.

Posted on May 20, 2008


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