| "72 150 Amp Buzz [message #6848] |
Mon, 03 April 2006 19:35  |
daddyplaysbass
Messages: 17
Registered: June 2004
Location: Arizona
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I have a "72 150 amp wiht 2X12 cabinet. I get buzzing; the polarity switch has no effect. The buzzing stops when I touch my strings; starts up when I don't. I don't get buzzing with my other solid-state amps. Will a grounded cable help, or is there more I need to do?
Thanks
Just Give Me the Key, and Let Me Be!! Daddy Plays Bass!!!
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| Re: "72 150 Amp Buzz [message #6853 is a reply to message #6848] |
Tue, 04 April 2006 12:22  |
daddyplaysbass
Messages: 17
Registered: June 2004
Location: Arizona
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Junior Member |
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hi, back again. I have the original 2-prong plug. The ground switch appears to not be working as I reversd the plug in the outlet and some noise went away. Still buzzes when I'm not touching the strings though. I read earlier how to install a 3-prong cord; I printed it out, so I plan on doing that first.
Thanks
Just Give Me the Key, and Let Me Be!! Daddy Plays Bass!!!
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| Re: "72 150 Amp Buzz [message #6857 is a reply to message #6848] |
Tue, 04 April 2006 18:50 |
daddyplaysbass
Messages: 17
Registered: June 2004
Location: Arizona
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Junior Member |
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Stevem, Thanks again; I'll try a noise-gate stomp box; will check out Guitar Center or Musicians's Friend. I can deal with somethingin-l;ine; timid about opening up the amp case.
Thanks again
Just Give Me the Key, and Let Me Be!! Daddy Plays Bass!!!
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| Re: "72 150 Amp Buzz [message #6912 is a reply to message #6848] |
Mon, 17 April 2006 13:13 |
daddyplaysbass
Messages: 17
Registered: June 2004
Location: Arizona
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Junior Member |
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Hi
Got the amp out of the case. Found the on/off and ground switches were indeed broken. I carefully super-glued them and they seem o.k.
Now I am installing the 3-prong cord and have instructions from earlier posts but does anybody know of a source for a grommet thru the amp chassis? Radio Shack did not have them. I can do some "Southern Engineering" with electrical tape and silicon but would like a neater application. (I kept the 2-wire and grommet in case I ever sell the amp) *I use this amp as a players amp.
This site is awesome for all the help, maybe some day I can return the favor.
Thanks
Rich
Just Give Me the Key, and Let Me Be!! Daddy Plays Bass!!!
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| Re: "72 150 Amp Buzz [message #6918 is a reply to message #6848] |
Tue, 18 April 2006 11:49 |
daddyplaysbass
Messages: 17
Registered: June 2004
Location: Arizona
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Junior Member |
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Hi Steve
Things are working out. I found a round grommet at True Value, Pushed the 3/18 gage 3-prong cord thru it and got it in the existing hole. The cord is tight; the grommet a tad loose but I'll seal it inside with a dab of silicon.
Thanks
Just Give Me the Key, and Let Me Be!! Daddy Plays Bass!!!
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| Re: "72 150 Amp Buzz [message #6943 is a reply to message #6918] |
Sun, 30 April 2006 19:55 |
daddyplaysbass
Messages: 17
Registered: June 2004
Location: Arizona
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Junior Member |
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Well, I got the 3-prong cord installed and she's working very well. I am worried about the blue switches however; I repaired both using J.B. Weld. I would like to not have to push them anymore. Does it hurt if I leave the amp on and mearly plug/unplug from the wall? Plan "B" is to plug it into a surge protector and use the surge protector switch. Plan "C" is to have a rocker switch installed on back and use it for on/off and polarity.
My next job to use this amp is August 13th so I have time.
Thanks
Just Give Me the Key, and Let Me Be!! Daddy Plays Bass!!!
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| Re: "72 150 Amp Buzz [message #6945 is a reply to message #6848] |
Mon, 01 May 2006 13:56 |
daddyplaysbass
Messages: 17
Registered: June 2004
Location: Arizona
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Junior Member |
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Steven
Thanks, you have been very helpful. Next time I have it open, I'll do the tie wrap thing.
Richard
Just Give Me the Key, and Let Me Be!! Daddy Plays Bass!!!
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