Members mozzer Posted December 12, 2006 Members Share Posted December 12, 2006 Hi My son has a new Peavey 6505 Plus tube head and a Marshall 1960 cabinet (not, confusingly enough, the very expensive 1960, but expensive enough). He has decided that he likes the tone he gets with the cabinet set on 4 Ohms and the amp set on 16 Ohms. I seem to recall Clapton doing something like this with his Greenback boxes for a different breakup. I don't think he will do any physical damage by doing this, but I wonder if he'll be buying new power tubes every 3 months because of it? ThanksPhil Link to comment Share on other sites More sharing options...
Members SuperStrat Posted December 12, 2006 Members Share Posted December 12, 2006 If you're serious, I would not do that.... You might get away with it for a while, but eventually the OT will probably fail. Link to comment Share on other sites More sharing options...
Members mozzer Posted December 12, 2006 Author Members Share Posted December 12, 2006 Hi Sure, I'm serious. Thanks for the warning. Phil Link to comment Share on other sites More sharing options...
Members nakedzen Posted December 12, 2006 Members Share Posted December 12, 2006 As stated above, it's not good for the amp. And it will be expensive as hell to replace the OT. Link to comment Share on other sites More sharing options...
Members The*Ataris Posted December 12, 2006 Members Share Posted December 12, 2006 Yeah, that's hell on the output transformer. To use a common analogy, it's like attaching a garden hose to a firehose. Eventually, whatever's pumping out the "water" is going to go... ...now, you can get away with dumping a 16 ohm load into a 4 or 8 ohm cab--it just won't be as efficient (not as loud). That's probably what Clapton was doing... Link to comment Share on other sites More sharing options...
Members mozzer Posted December 12, 2006 Author Members Share Posted December 12, 2006 I can imagine. P Link to comment Share on other sites More sharing options...
Members BadgerMolester Posted December 12, 2006 Members Share Posted December 12, 2006 He will definitely fry his amp if he does this. I did something similar (8 ohm + 8 ohm stereo cab with my JCM900 set to 16 ohm output). This gave the same mismatch as mentioned here. It sounded great for about 4 months, then the transformer melted the week before a headlining show. Link to comment Share on other sites More sharing options...
Members SuperStrat Posted December 12, 2006 Members Share Posted December 12, 2006 Originally posted by The*Ataris Yeah, that's hell on the output transformer. To use a common analogy, it's like attaching a garden hose to a firehose. Eventually, whatever's pumping out the "water" is going to go......now, you can get away with dumping a 16 ohm load into a 4 or 8 ohm cab--it just won't be as efficient (not as loud). That's probably what Clapton was doing... This is not necessarily true about the volume, in fact I'm pretty sure it's wrong. It's also not true that this will be a safe mismatch. All amps/trannies are different.... I wouldn't make a blanket statement recommending this. The only safe thing to do, IMO, is properly match the load to the amp -- I really don't understand why anyone would take such a large chance for such a minimal tone change. Link to comment Share on other sites More sharing options...
Members Heineken Posted December 12, 2006 Members Share Posted December 12, 2006 That's what i would call a "trannykiller" Link to comment Share on other sites More sharing options...
Members The*Ataris Posted December 12, 2006 Members Share Posted December 12, 2006 Originally posted by SuperStrat This is not necessarily true about the volume, in fact I'm pretty sure it's wrong. It's also not true that this will be a safe mismatch. All amps/trannies are different.... I wouldn't make a blanket statement recommending this. The only safe thing to do, IMO, is properly match the load to the amp -- I really don't understand why anyone would take such a large chance for such a minimal tone change. Well, I did make sure to say "get away with"...I'm pretty sure I'd never attempt it myself. My Drake transformer in my Marshall means too much to me... Link to comment Share on other sites More sharing options...
Members mozzer Posted December 12, 2006 Author Members Share Posted December 12, 2006 No, I think the great experiment is over. Phil:thu: Link to comment Share on other sites More sharing options...
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