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  1. Replies
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    I know a trick... YEARS ago we used to use a Sony...

    I know a trick... YEARS ago we used to use a Sony camcorder in ďlow lightĒ mode to do the same thing. Since we repaired them and else everything under warranty, there was always one around. You can...
  2. What I would do as a tech is get out my meter and...

    What I would do as a tech is get out my meter and compare a working channel to the non working channel. For a start... If it is a switch, do resistance measurements with the power off and compare the...
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    Caig Deoxit... never had any trouble with it....

    Caig Deoxit... never had any trouble with it. Yeah TF solvents can shatter plastic if you still have it around. No to great on your health either... Sometimes I wonder if my autoimmune issues are do...
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    Not really.. with old speakers you could ballpark...

    Not really.. with old speakers you could ballpark it by the size of the magnet sometimes with with lower wattage speakers.
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    494

    I use a DB app all of the time. Also a signal...

    I use a DB app all of the time. Also a signal generator, tuner, compass, etc. A lot of clubs have a City Ordinance threshold of 85db at the door.
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    Replace the pinch roller and lubricate the...

    Replace the pinch roller and lubricate the bearing. Check the pinch roller pressure to the capstan. Check/lubricate the capstan bearing. Clean/lubricate the slider track with a little molybdenum...
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    If you donít have a schematic tell us what itís...

    If you donít have a schematic tell us what itís in?
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    490

    Why not take a white, bright LED in series a pot...

    Why not take a white, bright LED in series a pot wired like reostat and slowly turn the pot from max resistance until the LED flashes. Measure the pot and replace it with a resistor that close. Then...
  9. Usually.. old digital stuff from that era are...

    Usually.. old digital stuff from that era are plagued with failing surface mount electrolytic caps. Got an ESR meter?
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    490

    Iíve seen techs make them with a lamp and a photo...

    Iíve seen techs make them with a lamp and a photo resistor inside a piece of heat shrink. Iíve also seen an led and a resistor substituted for the lamp. It usually just takes finding the right value...
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    It can affect the integrity of the board. In the...

    It can affect the integrity of the board. In the past I have used a piece of scrap board, even perf board, and 5 minute epoxy to patch an area.
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    Just play the damn thing. No one knows from 5 ft...

    Just play the damn thing. No one knows from 5 ft away anyway...
  13. Also donít forget.. you have to be dimed on a...

    Also donít forget.. you have to be dimed on a concert stage. Thatís what my point was. I couldnít get an authentic sound out of a HW in a club. I could with a 50 watt Marshall.
  14. Be aware of what these are. Loud and clean is an...

    Be aware of what these are. Loud and clean is an understatement. I had a 1973 made one that I bought new as a kid thinking I would get instant Who... I got rid of it for a Marshall. The HW just...
  15. Thread: Strange find.

    by olddawg
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    558

    Iíve been playing a BUGERA V22 in clubs for...

    Iíve been playing a BUGERA V22 in clubs for years. I took the badge off to fool the cork sniffers. I was at a jam just this Tuesday night and 3 people played through it that I know use Mesas in their...
  16. 1) Do you have a bridge ground? 2) Wire one...

    1) Do you have a bridge ground?
    2) Wire one pickup directly to the jack.
    Do you still have hum?
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    Iím my city (San Diego, CA) they make a big deal...

    Iím my city (San Diego, CA) they make a big deal out of touting recycling... then dump it all in the same landfill and really recycle nothing... trumpers or not.. There are monthly ďelectronics...
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    If itís a standard Switchcraft jack.. replace it....

    If itís a standard Switchcraft jack.. replace it. Using emery cloth on contacts isnít a permanent solution.
  19. I would pass on the buffers and make it true...

    I would pass on the buffers and make it true bypass. I’ve been using some 4dpdt switches in “Big Crush” compressors. You could put in “variable Q” switches and stuff. But I find most people find a...
  20. I’ve done what you said. Sometimes thinned...

    I’ve done what you said. Sometimes thinned contact cement works better. Sometimes some saturated tissue paper. You can always spray the cones with flat black rattlecan spray paint. That’s an old...
  21. What an odd design. Honestly I would just use an...

    What an odd design. Honestly I would just use an isolation transformer and be done with it. Btw.. is this amp yours or a customers? There is nothing magical about these amps imho. If it’s your own...
  22. Thread: Printers

    by olddawg
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    292

    I think home printers are designed just to piss...

    I think home printers are designed just to piss us off for kicks. Especially WiFi... There are ALWAYS compatibility issues and weird bugs. I can use one for months. All it takes is my wife to walk...
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    ďDonkey DickĒ wind screen/pop filter...

    ďDonkey DickĒ wind screen/pop filter...
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    Itís all Ohms Law. And as Harold said itís the...

    Itís all Ohms Law. And as Harold said itís the same principle. It depends on the application.. especially the resistance of the load.
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    This is not a complex amp. I would remove and...

    This is not a complex amp. I would remove and test the output transistors for shorts one at a time. Then the drivers. If you do get it fixed.. make sure you check his speakers and wiring as a short...
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    I play a lot of venues, but mostly dive bars...

    I play a lot of venues, but mostly dive bars nowadays. I always ASSUME that ALL outlets are suspect. A brand new recepticale in an old building means nothing. Usually I will run the whole band with a...
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    I get that with my Bugera V22 with the badge off....

    I get that with my Bugera V22 with the badge off. I’m next to Mesas all of the time. They usually sound like a bucket of bees. I use an old Rat pedal with the Bugera and that’s it. I get asked if...
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    I used to play a lot of small(ish) venues. I had...

    I used to play a lot of small(ish) venues. I had a beat up old 1960 Ampeg Rocket with a new Eminence speaker that needed the old, tired original amp fixed/rebuilt, so I simply ran a VJ head through...
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