What can I build with +/- 60v rails? - Page 2

6L6 · 24th January 2012, 12:13 AM

YEEHAW!!!!!!!!!

As long as I don't need much more than approximately 500VA total, I know what I will be making!

ramallo · 24th January 2012, 12:22 AM

hehe, I have another donut waiting for........ (45V+45V 1200VA)

Roscoe Primrose · 24th January 2012, 01:15 PM

Don't forget, you can also use those transformers to get a single +60V rail, which ought to work just fine for most of the Zen variations as long as you've got enough heat sinking...

Roscoe

tinitus · 24th January 2012, 01:31 PM

Quote:

Originally Posted by 6L6

As long as I don't need much more than approximately 500VA total, I know what I will be making!

be prepared for the beast of a hundred fets and monster heatsinks

boywonder · 30th January 2012, 05:12 PM

Not to thread-jack, but I have a similar question.......

I have one of Nelson's toroids that he was giving away at BA2 (he showed up with a truckload of them).

It's got dual 0-115VAC primaries, and dual 45V/6.6A secondaries.

If I wired the primary in series to get 22.5V out of the secondaries, is that too much V for an F4 build? If it requires lots of mods, I'll just find a dual 18V 300-400VA transformer.....

KatieandDad · 30th January 2012, 05:27 PM

60-0-60 is getting quite high for Class A - But still doable with huge heatsinks.

My Aleph 4 runs at 48-0-48 and does get QUITE WARM.

You might be able to produce an Aleph Turbo with 60-0-60V

Might be better to decide what you want to build and sell the traffos and buy the ones that you need.

CanAm Man · 30th January 2012, 08:56 PM

Quote:

Originally Posted by 6L6

YEEHAW!!!!!!!!!

As long as I don't need much more than approximately 500VA total, I know what I will be making!

Darn it, 6L6 (Jim)........ It appears you've given Papa Pass ANOTHER OPPORTUNITY to taunt us, about the pending F5 Turbo...

(Nine days......but who's counting????

)

Roscoe Primrose · 2nd February 2012, 01:27 PM

Any thing in the standard Zen/FirstWatt line, if you use a variac

24th January 2012, 12:13 AM	#11
6L6 diyAudio Member Join Date: Oct 2010 Location: Denver, Colorado	YEEHAW!!!!!!!!! As long as I don't need much more than approximately 500VA total, I know what I will be making! __________________ Pass Labs Pearl Phono -- Pass B1 Preamp -- Pass F5 amplifier -- Pass Labs Pearl 2

24th January 2012, 12:22 AM	#12
ramallo diyAudio Member Join Date: Nov 2004 Location: Madrid	hehe, I have another donut waiting for........ (45V+45V 1200VA) __________________ Happiness is a warm soldering iron

30th January 2012, 05:12 PM	#15
boywonder diyAudio Member Join Date: Jan 2008 Location: So.Cal.	I'd like to build an F4....... Not to thread-jack, but I have a similar question....... I have one of Nelson's toroids that he was giving away at BA2 (he showed up with a truckload of them). It's got dual 0-115VAC primaries, and dual 45V/6.6A secondaries. If I wired the primary in series to get 22.5V out of the secondaries, is that too much V for an F4 build? If it requires lots of mods, I'll just find a dual 18V 300-400VA transformer.....

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24th January 2012, 01:15 PM	#13
Roscoe Primrose Do you smell smoke? diyAudio Member Join Date: Jan 2004 Location: Virginia, USA	Don't forget, you can also use those transformers to get a single +60V rail, which ought to work just fine for most of the Zen variations as long as you've got enough heat sinking... Roscoe

30th January 2012, 05:27 PM	#16
KatieandDad diyAudio Member Join Date: Nov 2011 Location: UK	60-0-60 is getting quite high for Class A - But still doable with huge heatsinks. My Aleph 4 runs at 48-0-48 and does get QUITE WARM. You might be able to produce an Aleph Turbo with 60-0-60V Might be better to decide what you want to build and sell the traffos and buy the ones that you need.

2nd February 2012, 01:27 PM	#18
Roscoe Primrose Do you smell smoke? diyAudio Member Join Date: Jan 2004 Location: Virginia, USA	Any thing in the standard Zen/FirstWatt line, if you use a variac

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