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If you want to see a real Ampeg SVT being played on stage, a Conn Strobotuner, and an Acoustic amp and speaker being used live along with Fender amplifiers...
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I had read in a forum that the first ones did not have a backlight.
Today I found this and it answers my question, that is if this keyboard...
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Roland XP 10 Backlight
We have a Roland XP 10 keyboard that has no backlight on the liquid crystal display. We believe the first ones introduced in 1996
had no backlight...
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DDT stands for Distortion Detection Technique and is copyrighted by Peavey.
If your power supply filter capacitors are silver, you should replace...
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Modifying circuits and amplifiers is something I refuse to do. In my tenure, doing so may create the scientific or physical reality, however sound is subjective...
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If your the original owner with the sales receipt and bought it within the last 5 years it should be covered under warranty.
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Again, Best wishes and God's speed to maximum health for you
and your lovely wife.
Your friend,
Dan
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I wish you the best and God's speed for a quick recovery.
Your friend
Dan
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Hmm,
I'm working on a Crate 4x12 cabinet that has a switch for 16 ohms, 4 ohms, and 8 ohm stereo.
I connected the yellow wire to the...
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Going through the parts list for an XR600F, I see 22 4560's and 7 4580's in the preamp.
2 LM 3088's and 3 4560's in the 400SC Output board. I would...
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My gut feeling is dried up power supply Electrolytic capacitors.
You can check them in circuit with an ESR (equivalent series resistance) meter...
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Ampeg GT10 Xsistor part number
Greetings, I am working on a GT10 Amplifier. There are two output transistors, one a TO-3, and the other a TO-220. The schematic inside the unit shows...
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First, disconnet both the high and low voltage plugs to the circuit board.
Use a variac to power up. At this point, we are testing the transformer....
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Its also possible the switching jack that you plug the footswitch into has broken solder connections.
If you haven't done this yet, and you...
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I work in two different shops, and the scopes are a 20 mhz Leader, and a tektronix 565 I think. If you can get one used for less than 1 or 2 hundred dollars,...
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Crate G40 etc
In regards to the turn-on thump, after going through a Crate G40, trying to find the cause, (we are talking weeks of hours, sometimes...
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Mackie 1402 VLZ Pro
I'm working on a Mackie VLZ Pro that has a problem with the phantom power.
I just replaced a power transformer...
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Reminds me of a hardware store person that came into the shop to get something fixed. He told me a lady complained to him that he cut a piece of glass wrong,...
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Ampeg SVT 1970's
Does anyone still use or is familiar with the characteristics of the 1970's Ampeg SVT Bass Amp.
I have one here and when both channels are...
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Reminds of a true story
I was dealing with a customer who worked at Denstadts hardware. He said a lady came in and wanted a piece of glass...
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