in another message - Shannon said:
swap the signal wires going to the EL34's like an 'X' to swap the phases around so that you can get negative feedback instead of positive feedback from the 16 ohm tap.
That may be your cure.
madranker wrote:We Have found the circurit very interesting, but do not understand the use of only neg feedback from the yellow wires of the output trannies...
madranker wrote:This amp goes into oscillation when the volume is turned up and there is basically no bass.
madranker wrote:and looking up the LM334Z Specs and swaping it around because your printing on the top of the board and bottom are mirrored..( don't match)... Good thing my solder sucker suks Properly... Yellow_Light_Colorz_PDT_09
Wodgy wrote:separks wrote:Could you please take DC voltages per the voltage sheet and I'll take a look at that for you.
Just curious, is there a revised manual with test voltages? The downloadable version doesn't have them.
madranker wrote:Mostly all i get to this point is uncross the wires J1,J2,J22,J23 so mostly what I'm hearing is it makes no difference if you follow the design schematics or not ? Yellow_Light_Colorz_PDT_10
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