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Old 9th January 2013, 12:17 AM   #901
zoe is offline zoe  United States
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I bought the Antek an10425 1000va trany.
I am getting tea's ps boards as I'm on Buzz's gb list.
Can I stack the caps.
Buzz why would you want a bigger chassis?
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Old 9th January 2013, 12:23 AM   #902
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I like space. It helps in tuning, testing and setting. My build uses a smaller toroid, PSU with almost exact board dimensions as TeaBag PSU, and 10" is tight with boards mounted to 6" tall sinks. Its clean and think I have pics a couple pages back. Ill find it.

i lied. Cant find it. Been posted coulpleof times.
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Old 9th January 2013, 12:46 AM   #903
zoe is offline zoe  United States
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Makes sense. I have 7" top to bottom inside. I wounder if I can install my transformer vertically in the front of the box. The things already big whats a few more inches if I make it 20" wide that will give me 12x7x17" inside. I got to get my transformer specs.
Better to big then to tight but what a beast. Hope the wife doesn't blow a gasket. I already have to many toys.
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Old 9th January 2013, 12:47 AM   #904
6L6 is online now 6L6  United States
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What's the consensus on minimum transformer for a F5T v2? 24v+24v 600VA?

Using the rule of thumb of 6x the amp's total output into 8ohm, that would fit the bill.


zoe - (which happens to be the name of the dog in my Avatar... ) I agree with buzz, bigger is much more convienent for construction and tuning. But small has it's attractions as well. As usual, everything is a tradeoff.
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Old 9th January 2013, 12:53 AM   #905
zoe is offline zoe  United States
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Can you make a v2 with 24 volt rails?
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Old 9th January 2013, 12:59 AM   #906
6L6 is online now 6L6  United States
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Yes, but it wouldn't be a 50WPC amp.
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Old 9th January 2013, 01:06 AM   #907
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I have 400VA, but I get very small hum with ear to speaker. I assume its from undersized trafo, as all my other amps are dead silent, but none push the transformer this much.

Zoe,
Just lay it out and see how it all works. The 24V is secondary voltage, which needs to be multiplied by 1.41(1.3 for Class A) to get rail voltage.
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Old 9th January 2013, 01:31 AM   #908
Renron is offline Renron  United States
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TX wise, I'm planning a neutered V3 with 800Va w/ 2x25 secondaries. TX~6.5" wide 3.5" tall
neutered = lower voltage and lower bias.
Ron
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Old 9th January 2013, 01:42 AM   #909
zoe is offline zoe  United States
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The one I ordered is the same size. any ideas how to attach vertically in front without drilling thru faceplate
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Old 9th January 2013, 02:01 AM   #910
6L6 is online now 6L6  United States
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Angle bracket for holding transformer vertically. I'm not sure where to get them, as I have pulled them from surplus, but they do exist.

Or just a big piece of angle iron (aluminum)

Drilling a blind hole in the faceplate will not hold up the transformer.
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