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Apparently This Matters: Ruzzle by
Valentine
Apparently This Matters: Ruzzle http://adf.ly/2836760/rss.cnn.com/~r/rss/edition_technology/~3/cJ5l4WYWCXw/index.html
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1,010 |
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1 |
1,013 |
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774 |
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Professional Radio Engineer by
Alex Pogossov
Who is that "professional radio engineer", living not far from Canberra and
selling dodgy tube...
( 1 2)
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11 |
1,866 |
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Hum Reduction for DHT Power Stage by
John L Stewart
Steve Bench published an excellant cure for the AC DHT filament hum problem more than 10 years ago. See it at this...
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4 |
1,538 |
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JADIS amp reformation by
patrick-turner
Hi all r.a.t regulars, and to anyone searching about Jadis SE300B amps.
I have put up a page detailing my work on reforming a pair of Jadis last month at...
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December 4th 12 05:34 PM
by Grumpy 
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Restored Antique Radios FS by
Don Pearce[_3_]
On Thu, 22 Nov 2012 19:19:53 -0500, "Keith Park"
> wrote:
>Restored Antique Radios...
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1,004 |
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Simple NFB Simulations for a FB Pair by
John L Stewart
Tried some simple nfb amplifier simulations today based on 6V6 OP driven by a 6SJ7.
The amplifier uses the following settings-
6SJ7 G = 1.0 ma/volt
rp = One...
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1,049 |
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November 20th 12 07:54 PM
by Me
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1,428 |
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1,374 |
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Interesting stuff re tube testing by
patrick-turner
Some intersting tube stuff at the website at http://www.bartola.co.uk/valves/
He seems to get less THD than I have found in most tubes, but then he
seems to...
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1,233 |
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Luxman SQ38D by
Trevor Wilson
Does anyone have a schematic for a Luxman SQ38D? I mostly require info
on the tone amp section. The one I have has been modified and I need to
restore it to...
( 1 2)
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2,589 |
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Local Cathode FB, UL Tap at Ground Part 2 by
John L Stewart
Here is a version posted by Yves Monmagnon & his collaberators Tomcik & Wiggins to RAT on Sep 1/ 2004.
Hey Patrick, it looks like Yves has you beat by a few...
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1,133 |
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Triode or pentode with local NFB? by
Alex Pogossov
The recent thread about the SET 300B based amplifier got me to question: Why
triode?
1) Obviously, a triode 300B boasts low distortion say 2% at 6...8W...
( 1 2)
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2,022 |
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SET amplifier Q by
Phil Allison[_3_]
** Hi all,
a neatly built, home brew SET amp arrived on my bench this week, I
understand it is about 10 years old.
The tube line up is two 300Bs in parallel...
( 1 2)
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2,320 |
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1,101 |
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Mystery transformer by
GRe
Some time ago I found a small transformer in the junkbox.
It looks old, like from the forties or fifties era.
I don't remember where it came from or was...
( 1 2)
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