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Old 9th December 2004, 02:23 PM   #1
alejo is offline alejo  Argentina
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Default Big valve

Hello boys, today I see in MercadoLibre Argentina (simil EBay); and see the Very Big valve for sale, OMEGA, New in Box, MODEL TAW-12/20-B-01

http://www.mercadolibre.com.ar/jm/it...LA&id=14954226

and the price is only pesos 250, is arround u$s 83 or Eu 65

IŽimagine this in Big SE mono amplifier !!!

Disclaimer: I clarify that I do not have any relation with the salesman
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Old 9th December 2004, 03:21 PM   #2
alejo is offline alejo  Argentina
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Find a datashet in DuncanAmps TAW12/20; is realy a BIG monster valve

Filament 21.5V 78Amp

In Class B

Va 12.000 Volt
Vg -200 Volt
Ia 1.54 Amp
Wa 13500W

Woutput 5000W
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Old 9th December 2004, 03:40 PM   #3
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I think you mean New In Crate!!

Here is a data sheet if anyone is interested

http://www.mif.pg.gda.pl/homepages/f...t/TAL12-20.pdf
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Old 9th December 2004, 04:12 PM   #4
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Default Re: Big valve

Quote:
IŽimagine this in Big SE mono amplifier !!!
SE's overrated. I'd go PP with this baby!
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Old 11th December 2004, 08:01 AM   #5
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Max Plate dissipation 18,000W

Max grid dissipation 500W

Filament Current.... 78A - SEVENTY-EIGHT AMPERE!

My goodness, someone using this monster in an amp really needs help.... It puts the GM100 to shame with its puny filament current of 18A

This thing will be dissipating about 1.7kW in its filament alone!
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Old 11th December 2004, 08:40 AM   #6
Prune is offline Prune  Canada
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Bah, forget your little tube. How about this for a change:
http://www.cpii.com/eimac/catalog/135757.htm

3CW150000H3
Plate dissipation 150,000 W
Grid dissipation: 1500 W
Heater: 10 V, 312 A

Now that should be able to drive my headphones!
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Old 11th December 2004, 10:04 AM   #7
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Default My next headphone amp will have these.

Plate Dissipation (Max.) 1,000,000 Watts
Filament/Cathode Thoriated Tungsten
Voltage 16.3 Volts
Current 600 Amps

http://www.cpii.com/eimac/catalog/138128.htm
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Old 11th December 2004, 10:42 AM   #8
Prune is offline Prune  Canada
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You and your damn tetrodes. I'll stick to pure triode power...

I'd be wearing a lead shield around my crotch any time the 22.5 kV is applied to that beast. Enjoy your X-rays, boyz.

When I first read the 'Boris...' in your signature, I momentarily thought you were referring to me (my first name is Borislav), and I was on my way of composing a witty reply...


If you really want a tetrode, try this guy:
http://www.cpii.com/eimac/catalog/138284.htm
2.8 MegaWatts. Can't ... stop ... drooling ...
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Old 11th December 2004, 02:15 PM   #9
jlsem is offline jlsem  United States
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Quote:
My next headphone amp will have these.
Quote:
http://www.cpii.com/eimac/catalog/138128.htm
I wouldn't do it. The sockets are a little hard to find.

John
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Old 11th December 2004, 04:25 PM   #10
SY is offline SY  United States
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What is the transconductance? I think this tube would be dandy in a phono preamp.
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