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Old 24th August 2013, 07:28 PM   #41
PJN is offline PJN  United States
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Hi Guys,

I just got my boards for a dual mono Honey Badger build, one question on the reservoir caps, is positive the side with the white bar ?

Thanks,

PJN
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Old 24th August 2013, 07:33 PM   #42
Bones13 is offline Bones13  United States
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Working through my PSU, when using PSUD, what is a good value to use for the load for an Aleph J? Just stick with the 5KR that is the default?

Has anyone got some nominal values to use for the input snubbers? Or best left alone unless there is a problem?

(I am looking for 24v rails, and will use 15,000uF caps, and thinking 5x 0.47R for the CRC)

Lastly, advantages of the schottky diodes vs a rectifier bridge ?
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Old 24th August 2013, 08:23 PM   #43
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PJN - Notice those marks in the white stripe that look like " - - - "? Negative.

Bones - Choose a value for the load resistor that will get you your expected total bias current. I vaguely remember the option to specify a constant current load, which could also work.
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Old 25th August 2013, 02:13 PM   #44
PJN is offline PJN  United States
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Thanks Bob it was a little confusing since there were identical marks on the other side that weren't in white and I'm used to seeing the + marks on boards. That said very nice boards.

Paul
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Old 25th August 2013, 02:35 PM   #45
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It's one of those odd conventions that we mark the positive side on the board and the negative side on the cap. Makes me wonder if someone created the convention to protect his job every time I stuff a cap into a board. At least leaded caps have the positive lead longer...
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Old 27th August 2013, 02:14 AM   #46
mattmcl is offline mattmcl  United States
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Heh... soldering in 28 jumpers to opt out of the crc filtering on a dual mono amp is a big job. I farmed it out Tom Sawyer style to my 10 year old son. He lays down some mean joints!
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Old 27th August 2013, 09:44 PM   #47
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Couldn't you jumper at just four points?
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Old 27th August 2013, 09:55 PM   #48
mattmcl is offline mattmcl  United States
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Yes, but he needs the practice.
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Old 28th August 2013, 02:35 AM   #49
PKI is offline PKI  United States
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Maybe I am missing something, but why do you need 8 diodes in the board, why 4 is not enough?
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Old 29th August 2013, 04:06 PM   #50
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Hi,

May i check if there will be a build guide for V3 Universal Power Supply Circuit Board just like the other offered board? Having some problem understanding the multiple input options available. Thank you.
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