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Eddie Current Electra Electrostatic Amplifier - Page 5

post #61 of 281
6/7/12 at 11:38am
Quote:
I wish the Electra has the peak to

peak voltage of around 1400-1600V and has the warm sounding that you mentioned.

Craig told me earlier this in a email a while back. I t sounds like the voltage will be fine, question is can it deliver the current.
Quote:
It is very powerful running 40 watts of plate power per set of 6L6 tubes and is capable of swinging 1800 volts peak to peak.

Edited by KingStyles - 6/7/12 at 6:19pm
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post #62 of 281
6/7/12 at 4:48pm
Quote:
Originally Posted by KingStyles View Post

Craig told me earlier this in a email a while back. I t sounds like the voltage will be fine, question is can it deliver the currant.

 

We all love currants!

 

Black_Currant_Powder.jpg

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post #63 of 281
6/7/12 at 6:18pm

Raisin that subject is very timely.

 

And a sultana is the wife of a sultan......... I hope I'm not insultan anyone.........

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post #64 of 281
6/7/12 at 6:19pm
I hate the english language.tongue.gif
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post #65 of 281
6/7/12 at 6:23pm

I prefer Japlish, Chinlish and Engrish myself.

 

They leave copious amounts of scope for misunderstanding.

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post #66 of 281
6/7/12 at 7:02pm
Dont forget spanglish.
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post #67 of 281
6/7/12 at 7:10pm

What kind of attenuator is in the Electra?

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post #68 of 281
6/7/12 at 7:24pm

It is very powerful running 40 watts of plate power per set of 6L6 tubes and is capable of swinging 1800 volts peak to peak.

    If this is the true specification, there should be no problem driving the O2mkI because the BHSE

delivers 1600 V peak to peak voltage including the ES1 single power , while the Woo Wes is less and the DIY T2 is around 2000V.  

http://www.head-fi.org/t/582518/electrostatic-amplifiers-voltage-ratings

     So it is the Aristaeus clone in term of sound signature but not the voltage ratings because the Aristaeus amplifier is only 1200V (and the HEV90 is the same as the Aristaeus)

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post #69 of 281
6/7/12 at 7:58pm
If the 6l6 has a plate voltage of 360v and you swap themout for the 6l6gc with a plate voltage of 500v, is it going to produce more power output or is it going to be the same just a little harder on the transformers?
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post #70 of 281
6/7/12 at 9:14pm

neither - you'll just be running the tube potentially very un-linearly

 

Quote:
Originally Posted by KingStyles View Post

If the 6l6 has a plate voltage of 360v and you swap themout for the 6l6gc with a plate voltage of 500v, is it going to produce more power output or is it going to be the same just a little harder on the transformers?
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post #71 of 281
6/8/12 at 5:05am

From the peak to peak voltage ratings the power supply has to be either 900 volts with capacitor output, or

+/-450 volts with direct coupled output.  That means there is (no signal) 450 volts on the plate of the

tube.

 

metal 6L6's are going to have real problem with this.

 

you want either the tall 6L6GC or EL34's.

 

The EL34's require a fair amount more filament current.

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post #72 of 281
6/9/12 at 11:22am

6L6 - is that different from 6L6GC?  What's the difference between "tall" and "shorter" 6L6GC tubes?  I have a bunch of GE 6L6GC tubes, some from the early 1960s, some from the early 1970s and a few Sylvania 6L6GC STR tubes - I know there's a difference in getters, but otherwise?  


Edited by 563 - 6/9/12 at 11:25am
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post #73 of 281
6/9/12 at 11:28am

yep quite a bit of difference

http://www.r-type.org/pdfs/6l6.pdf

http://www.ne.jp/asahi/evo/amp/device/6l6gc.pdf

 

One is metal with a glass seal inside, and the other one is all glass.

There is a power and voltage difference too.

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post #74 of 281
6/9/12 at 11:35am

Thanks - Any difference between the "shorter" and "taller" 6L6GC tubes as well?

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post #75 of 281
6/10/12 at 5:40am

Looks! ;)

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