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 NEW  Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single-Ended (SE) Ultra Linear (UL) Bias Optimization.

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No unread posts How to Power Up DIY Tube Projects for the First Time

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gofar99

24

34812

13 Feb 2017, 06:20

mwhouston View the latest post

No unread posts DIY Audio Information for Beginners

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91lieb

49

60397

24 Apr 2015, 07:23

vixr View the latest post

No unread posts Greetings to all! And some newbie questions by the way ;)

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Mikuda

19

474

22 Feb 2017, 07:15

Mikuda View the latest post

No unread posts 4S Tube Preamp with 12AU7 Cathode-Follower Output Stage

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Gio

30

3957

21 Feb 2017, 21:21

jesseday2 View the latest post

No unread posts 6V6-6SN7 Humless "Lacewood" Amp

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Suncalc

81

34235

21 Feb 2017, 14:21

mateusfig View the latest post

No unread posts ForeWatt Tube SRPP Preamplifier - Support / Update Thread

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gofar99

520

117699

21 Feb 2017, 13:00

gofar99 View the latest post

No unread posts SE 6L6 power amp, 12AT7 driver (design by Suncalc)

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mwhouston

86

2294

19 Feb 2017, 20:05

Geek View the latest post

No unread posts Electro Harmonix tubes

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eugeniom

10

146

17 Feb 2017, 13:55

Geek View the latest post

No unread posts PoddWatt EL84 Push-Pull Stereo Tube Amp - Support Thread

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gofar99

492

119912

16 Feb 2017, 14:06

gofar99 View the latest post

No unread posts UPSU - Universal (tube) Power Supply Unit

mwhouston

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152

14 Feb 2017, 17:21

mwhouston View the latest post

No unread posts 4S Universal Tube Preamp Project (12A*7)

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diyAudioProjects.com

274

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10 Feb 2017, 22:33

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No unread posts KT120 and KT150 tubes not up to spec

gofar99

5

168

10 Feb 2017, 08:17

Peter W. View the latest post

No unread posts 6.3V filament transformer question

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harrydutt

12

358

10 Feb 2017, 07:08

KrammeAcoustics View the latest post

No unread posts µ-Power Amps

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Suncalc

130

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08 Feb 2017, 20:23

mwhouston View the latest post

No unread posts Nokia transformers as output transformer

KrammeAcoustics

7

1238

08 Feb 2017, 07:24

Peter W. View the latest post

No unread posts 6j5gt line stage with weird voltage drop (?)

KrammeAcoustics

4

123

07 Feb 2017, 15:44

KrammeAcoustics View the latest post

No unread posts LED Biasing?

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BowToEd

96

21777

05 Feb 2017, 04:19

Terry View the latest post

No unread posts Oddwatt - 6n1p / EL34

Emsworth

3

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01 Feb 2017, 15:10

invaderzim View the latest post

No unread posts Old circuits for interest.

M. Gregg

0

125

01 Feb 2017, 12:33

M. Gregg View the latest post

No unread posts How to add a negative voltage to bias the cathode

dlucy67

8

186

31 Jan 2017, 09:39

dlucy67 View the latest post

No unread posts DC Heater supply

dudleyperkins

3

129

30 Jan 2017, 17:48

gofar99 View the latest post

No unread posts Is battery-powered subminiature 6021 headphone amp possible?

dlucy67

5

196

28 Jan 2017, 10:13

dlucy67 View the latest post

No unread posts Tube Noob 'AA5' attic find

waxburger

2

849

24 Jan 2017, 03:58

Jim_O View the latest post

No unread posts Build Your Own Vacuum Tubes

George Schmermund

2

721

23 Jan 2017, 18:39

Geek View the latest post

No unread posts Black Lace - 6V6 power amp, direct mains, old school

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mwhouston

96

18893

22 Jan 2017, 20:39

Chris65 View the latest post

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