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mike became a registered member 9 hours, 20 minutes ago
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mike became a registered member 9 hours, 20 minutes ago
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Mark replied to the topic Voltages too high in the forum 2 Stroke Amplifier Design and Building 1 month, 2 weeks ago
Hi Brian. I don’t recall. I haven’t touch the amp in years. I’ld have to get it back on the bench to find out. All I know is it’s working fine, though the overdrive isn’t as saturated and smooth as I would like. My bench is in total disarray right now, so I’m not sure when I’ll be able to get it back on the bench to test it.
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Brian replied to the topic Voltages too high in the forum 2 Stroke Amplifier Design and Building 1 month, 2 weeks ago
Hey Mark…. Did you ever figure this out? I’ve got the exact same issue going on with deluxe reverb reissue. Except on the rectifier I’m getting more like 7v on P2 and like 1v on P8. And my DC on P8 is even higher than yours.
I’m wanting to think that it’s an issue with xfmr yellow wires but I don’t understand how it can raise the DC voltage so…[Read more]
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Brian became a registered member 1 month, 2 weeks ago
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Robin replied to the topic Does 290AX need an artificial center tap? in the forum 2 Stroke Amplifier Design and Building 2 months, 3 weeks ago
You can use the 6.3v center tap (green & yellow) to ground OR the 2-100 ohm resistors as an artificial center tap, but not both. Good luck, enjoy.
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Joe became a registered member 3 months, 1 week ago
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type_o_neg became a registered member 4 months, 1 week ago
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Bruce became a registered member 5 months, 3 weeks ago
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Paul became a registered member 5 months, 4 weeks ago
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Robert became a registered member 6 months ago
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billy_lamb became a registered member 6 months, 1 week ago
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Andy replied to the topic Hardware in the forum Amplifier Design and Construction 7 months, 1 week ago
There isnt a list of hardware yet, but I plan a build in the next couple of weeks with my son so I can document it. Most folks use the Unibit or a stepped bit to drill the hole for the Impedance Switch in the back. You can do the same for the second 1/4″ jack if you want, but I tend to leave just the one and then wire the speakers to each other…[Read more]
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Greg Begin became a registered member 7 months, 1 week ago
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Wm started the topic Hardware in the forum Amplifier Design and Construction 7 months, 2 weeks ago
Is there a list of the hardware needed to complete this project. I only got as far as the mounting bolts for the circuit board. I’d like to go to a hardware store and pick up everything I need. Also I’d like to find more detail about drilling the extra holes in the chasses and where to mount the output transformer.
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Donna94203 became a registered member 10 months, 2 weeks ago
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David became a registered member 1 year ago
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Wes became a registered member 1 year, 1 month ago
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Reid became a registered member 1 year, 2 months ago
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Charl replied to the topic Does 290AX need an artificial center tap? in the forum 2 Stroke Amplifier Design and Building 1 year, 2 months ago
Great! Thanks!
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