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12th November 2011, 12:53 PM
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#1 |
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diyAudio Member
Join Date: Sep 2008
Location: Near Seattle Wa
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One off guitar amp 2
Ok, I have been woodsheding like some wiesel in the barnyard, and built me a new gitar amp. My buddy said "whay dont ya build me a quad EL84 amp". Well after the last build "one off guitar amp" I chose to take up the challange and this is the result. Pretty much standard stuff,.
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"You can keep your insurance baby nothing is guaranteed" -Tom Petty |
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12th November 2011, 01:00 PM
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#5 |
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diyAudio Member
Join Date: Sep 2008
Location: Near Seattle Wa
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It's Loud!. I measure 40 v ptp into 8 ohms. And hooked up to a marshal 4 X 10 cab it will drive you out of the room.
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"You can keep your insurance baby nothing is guaranteed" -Tom Petty |
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12th November 2011, 01:17 PM
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#7 |
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diyAudio Member
Join Date: Sep 2008
Location: Near Seattle Wa
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I have to thank the DIY audio community because when this came up I started prowling for EL 84 schematics, and low and behold there was and old schematic of a quad EL84 setup. Oh I think it was in a Hammond Organ or sum such. Well I just plane stole it, and this is the result. If you dime the trebble control and the volume at the same time it will osciallate at about 24 Khz.!!! I know, I know, that's not good., I can make it not do that, but I have to give up some gain. I chose to let it have the gain/touch sensitivity. So howl away! Just dont tell FCC. Ok this is between you and me
 dont post it on the interweb.
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"You can keep your insurance baby nothing is guaranteed" -Tom Petty |
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12th November 2011, 01:56 PM
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#8 | |
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diyAudio Member
Join Date: Jul 2005
Location: North Derbyshire
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Quote:
Be plenty loud through a 4x10, particularly when over-driven.
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Nigel Goodwin |
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