Unfortunately, no midi port or usb port. Know what your talking about though. Only way to fix a keyboard via midi port.
Yes been dried out. Went...
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Digitech Vocalist Live 2
Got a Digitech VL2 that got rained on. Unfortunately was on when happened. Only sign of life is all the lights on. Power adapters fine. Frozen.
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Mick Bailey:
Yes these amps are way too hot. Push them to the max and then some. Second time I had the DC-30, I changed out the 62ohm bias resistor...Last edited by e_c_mccollum; 04-07-2018, 05:09 AM.
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Exactly! Also suggested taking the head out of the cab and running outside the iso box. But what can you do when customers don't listen.
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Yes, and it uses EL34's. When I got the amp, the tube bases were black!! Not good. Problem is an iso cab is a box that's padded with acoustic insulation....
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Hot Matchless amps
Wow!!! I haven't been on this forum in a long time.
I know I will get honest answers here about this question. I currently have a customer...
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Exactly
Crown tried to solve this question by incorporating an ODEP circuit. An analog computer that would sense the operating conditions and...Last edited by e_c_mccollum; 10-19-2013, 05:32 AM.
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Very good engineering question. I do remember Crown has this data on their old micro/macro amps. They do list the btu's according to the wattage output. I...
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I know guys that remove the breakers in power strips cause they have that problem. Had a customer that his Crown MT2400 amps had messed up plugs. Heh!! Surprised...
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I did some research and realized the JBL SRX subs I have used have a switch to parallel the 18's or separated them. JBL says it's to make them discrete connections...
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Peavey DTH 218 sub
Interesting question about the wiring and how it may affect the amplifier. These speakers have split connections to the NL4 input. 1+/1+ goes to the top speaker...
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The schematics I have are in 2 parts like Enzo says. Are you looking for the power output stage?? U mention transistors. Most of this mixer that I know of...
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b647 transistor sub
Anyone know of an available sub for the 2sb647 transistor?? Limited stock available and I would like 2 order something from mouser. Closer to me.
Used...
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dbx 2031 eq
Looking for a schematic for a DBX 2031 mono 31 band eq. Thanks for any replies.
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I hate those little cheap buttons they use. I did think the mainserts may have opened up, but their fine. I dummy load tested the main and it checks out now....
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I'll try again with PV, but this model is still in production. I thinking the FET outputs could be leaky. The owner stated he would use it without a load...
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PV XR8600D
Have a PV mixer amp XR8600D that was'nt working on either channel. Replaced small electrolytics that were leaking visually, repaired bad solders, did find...
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I think I figured out the cap discharge issue. R166 is a 7watt 3.3k resistor connected in series with C116. C116 is connected to - high rail, while other...Last edited by e_c_mccollum; 05-08-2012, 12:47 AM.
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