Members bnyswonger Posted March 17, 2009 Members Share Posted March 17, 2009 Played a Fender P through a 100 guitar amp for a while. Sound was okay, but there is one thing about Marshall tube amp you must know: If you play a Marshall, you need to own 3. 1 to play on stage. 1 back stage as a backup for when the one you are playing blows up. 1 in the shop getting repaired so you can swap it out for the one that will blow up next. My '72 Superlead had the original fuses in it until '87. I've had zero problems with it other than the one arc incident that year. Link to comment Share on other sites More sharing options...
Members fretless Posted March 17, 2009 Members Share Posted March 17, 2009 My '72 Superlead had the original fuses in it until '87. I've had zero problems with it other than the one arc incident that year. haha mine too , I still have them , but I put fresh ones in just to be safe . Link to comment Share on other sites More sharing options...
Members Guttermouth Posted March 17, 2009 Members Share Posted March 17, 2009 Right. That's what I meant. Did you know that in the 1960s and 1970s Ampeg made amps that will in fact become radioactive in the year 2010. True story. Anyone reading this that has access to one of these dangerous amps, please PM me for information about the official containment location. I will provide you with a prepaid shipping label to make the shipment as easy as possible. we're such nice guys. Link to comment Share on other sites More sharing options...
Members wades_keys Posted March 17, 2009 Members Share Posted March 17, 2009 Played a Fender P through a 100 guitar amp for a while. Sound was okay, but there is one thing about Marshall tube amp you must know: If you play a Marshall, you need to own 3. 1 to play on stage. 1 back stage as a backup for when the one you are playing blows up. 1 in the shop getting repaired so you can swap it out for the one that will blow up next. Are you sure you had the impedance switch set correctly for the load you were giving it? I've seen and smelled the results of that mistake (bye bye, mr output transformer) Link to comment Share on other sites More sharing options...
Members zbasstringer Posted March 18, 2009 Members Share Posted March 18, 2009 You feed the amp an input signal from a sine wave generator while watching the output on an oscilloscope. Then you measure the output voltage when signal starts to clip on the oscilloscope. You can get more precise by using a harmonic frequency analysis of the output signal, but the oscilloscope is accurate. Ok. I had no clue how, so thanks for the info. Link to comment Share on other sites More sharing options...
Members Klatu Posted March 18, 2009 Members Share Posted March 18, 2009 Just speaking from personal experience on the road in the '70s. Link to comment Share on other sites More sharing options...
Members wades_keys Posted March 18, 2009 Members Share Posted March 18, 2009 Just speaking from personal experience on the road in the '70s. That's why I asked about the impedance selector. Link to comment Share on other sites More sharing options...
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