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Author Topic: Yeti build  (Read 20386 times)
turd ferguson
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« Reply #15 on: August 12, 2014, 10:19:07 PM »
yes I would put 33K to 47K where the two 56k bias resistors are don't understand why they would use 56k there most marshall amps use 33k to 47k here. the wires on the power trans just tidy them up and zip tie them out of the way. keep all wires as shot as possible high gain amps have a lot of noise and it helps. I did use my variac for first power on slowly increase voltage 10v every hour till you reach 120v it is a good idea to do, it lets you see something arcs if somethings wrong so you don't fry your amp, turn the lights out when you do it so you can see sparks. Oh and I must stress!! drain filter cap and check that no voltage it present when working on amp after it has had power to it. It WILL KILL YOU!!  here are more photos you may need so you can see the tidy wires!!

* chupa50_B11 (2).jpg (39.58 KB, 419x314 - viewed 775 times.)
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turd ferguson
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« Reply #16 on: August 12, 2014, 10:23:31 PM »
pics

* chupa50_B3 (2).jpg (47.56 KB, 390x311 - viewed 731 times.)
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JonB
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« Reply #17 on: August 14, 2014, 08:15:49 PM »
Thank you so much...pictures really do help!   All right...off to building
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JonB
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« Reply #18 on: August 17, 2014, 04:13:22 AM »
Mr furgeson....can you help me understand the pcb connections as the diagram and the received board are nothing alike?
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turd ferguson
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« Reply #19 on: August 17, 2014, 06:41:28 PM »
Can you send me a close up photo of your board front and back?
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JonB
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« Reply #20 on: August 18, 2014, 02:06:37 AM »
Oh thank you...my noggin is working on this, but my neurons just aren't firing right!

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* image.jpg (800.81 KB, 2592x1936 - viewed 679 times.)
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JonB
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« Reply #21 on: September 01, 2014, 03:11:43 AM »
Turd....help....i am dying on this pcb?  I just can't get stuff to line up!   Anyone...please help!
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