Question about Ashly Xr2001 Stereo 3WayMono 45Way Xover

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I would like to instal 15v DEXA regulators in my XR2001? Do you think it will be a soud improvement? Thanks

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Any low impedance power supply will likely result in better sound. However, you should expect any improvements to be marginal at this signal level.

Posted on Oct 07, 2010

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1 Answer

Clip light on


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Does all the "Clip" lights are on? or just certain channel? if all "Clip" lights are on you have to check the +15V and -15V at Operational amplifier ic that is a 8-pin integrated circuit, pin 4 should have the -15V and Pin 8 should have the +15V, if just one channel shows the light constant on then its an opamp in that particular channel, let me know further to improve help.

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Mixing board had all the lights come on at once and no sound


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Despite the mixer's namebrand i can say that should be a low voltage supply issue, mixers have normally just 3 voltages, and the ones with effects 4, the critical voltages that mantain a mixing board working are just 2, +15V and -15V and you can check for them at Pin4 for -15V and pin8 for +15v of operational ic's at any channel with the mixer on, one of those are not present and this is you issue for sure, certain mixers have fuses for this two voltages but since you are not posting the namebrand i can't figure it out, if one voltage is missing could be the fuse or the power regulator that reads"MC7825" or "MC7915" which 7815 is for the positive rail and 7915 for the negative one, both are located in the power supply board, let me know more to help you more.

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1 Answer

Problems


This may be an issue with your power supply regulation, check opamp's ic's for +15V at pin-8 and -15V at pin-4, this may help to troubleshoot the issue.

Jul 03, 2013 | Peavey PV6 Mixer

1 Answer

Peavey renown 212


If no fuses blown you probably have an issue on your +15V and -15V power supply regulators, this can be tested by checking opamps supply voltage which should be +15V at pin-8 and -15V at pin-4, let me know further.

Jun 22, 2013 | Peavey Music

1 Answer

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Check speaker impedance or disconnect speaker leads, then use a 9V battery to verify cone movement and if this test is ok, then go inside the amp, if there's no fuses blown check opamps supply voltage which should be -15V at pin-4 and +15V at pin-8, let me know your results to help improvement.

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1 Answer

The signal lights all flash on and off and the unit will not power up..


This is a common issue with peavey mixers and generally speaking could be addressed by checking the opamps supply voltage which should be -15V at pin-4 and +15V at pin-8, this should help to troubleshoot the issue, let me know to help improvement.

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My peavy kb300 produces a crackling noise & cuts off intermitently when I raise the volume on all 3 chanels.


Low Voltage power supply regulation issue, particularly with +15V and -15V.

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All the clip lights come on when connected to mains power


Power supply +15V and -15V failure, pay special attention to regulators.

Apr 08, 2011 | Peavey PV8 Mixer

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