E180F triode-strapped. - Page 2 - diyAudio
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Old 16th September 2003, 02:07 AM   #11
dhaen is offline dhaen  Europe
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Default Helped by a dose of silliness.........

Bonggggggggggggggggggggggggggggggggggggggggggggggg gggggggggggggggggggggggggggggggggggggggggggggggggg gggggggggggggggggggggggggggggggggggggggggggggggggg gggggggggggggggggggggggggggggggggggggggggggggggggg gggggggggg
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Old 16th September 2003, 02:12 AM   #12
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Hi,

Quote:
Bonggggggggggggggggggggggggggggggggggggggggggggggg gggggggggggggggggggggggggggggggggggggggggggggggggg
Oink...that couldn't have been a Mullard, could it? Nah...

Cheers,
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Old 16th September 2003, 09:39 AM   #13
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Wrong John, it went ziiiiiiiiiiing.

Makes are

2 of Valvo e180f
1 of unmarked 7718
2 ofGEC CV3998
1 of Mullard E180F

To be honest I didn't try them all, just the first two were so zingy.

Maybe I should have done some proper evaluation, but it wasn't with a view to talking about it anywhere. It went, heck that's bad, pull it out and redesign the circuit around another valve type. was that a little impetuous of me?

Paul (pp4212e... should I?)
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Old 16th September 2003, 11:03 AM   #14
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Quote:
Originally posted by Paul Barker
pp4212e... should I?
YES!!!!!

Thanks for the info on the E180F. If they all have issues, I won't bother.
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Old 16th September 2003, 11:10 AM   #15
dhaen is offline dhaen  Europe
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Quote:
Originally posted by Paul Barker
Wrong John, it went ziiiiiiiiiiing.
...snip.
.
.


Paul (pp4212e... should I?)
Well they've been looking at you for long enough!
What transformer?

Cheers,
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Old 16th September 2003, 12:00 PM   #16
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Well to stick to the thread Mr Moderator, I wouldn't want my experience with e180f to stop the poster trying it. YMMV as they say, and loads of other people recommend the valve.

I just give my experience as one to consider amongst the rest. In the end what we find for ourselves is what matters.

I frequently get things wrong, which is what fuels my passage to what is right. But it was me at the wheel, and so the lesson is drummed in good and proper. No good gathering opinions only and then basing decisions on opinions of others. Try out others ideas but base decisions on own ears.

What transformers? BIG problem. No money left in the kitty.

I was rather hoping to build something right up to the output transformers and then encourage 7n7 to cut and paste his transformers onto my amp!
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Old 24th December 2014, 12:09 AM   #17
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I have the E180F working at Vp 180 g1 -2v Is it under the maximum dissipation point, I can not find info about e180f strapped as triode.
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Old 24th December 2014, 02:28 AM   #18
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Plate dissipation should be kept under 3W and G2 dissipation under 0.9W according to the datasheet on R-Type.
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Old 24th December 2014, 03:43 AM   #19
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Check this out:
Tube Tester Files - 6J9

I'm running these grid 2 & 3 tied to plate with a 10ma/160V CCS and an LED in the cathode. Works great.
Actually it is a 1.6V red LED with a 68R resistor in series that equates to about -2.3V bias.


Quote:
Originally Posted by celsius235 View Post
I have the E180F working at Vp 180 g1 -2v Is it under the maximum dissipation point, I can not find info about e180f strapped as triode.

Last edited by scott17; 24th December 2014 at 03:51 AM.
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Old 24th December 2014, 07:35 AM   #20
Ciu is offline Ciu  France
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Default E180F Data

Hello !

May be this one would help ...
Attached Files
File Type: pdf E180F_Mullard.pdf (268.8 KB, 28 views)
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