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Gu 81

14:34

DIY simple GU81 Tube Hybrid Amplifier (130 watts RMS in A class)

Mirko Pavleski

4K views

1:35

Homebrew Monster Amp 1500W with 2x GU81

Reaktanzkreis

3.5K views

0:33

Ampli đèn GU81

Best Choice Audio

91 views

17:37

Revisiting The GU81M: Probably Not The best Choice For A Linear Amp!

The WTF

4K views

4:48

GU-81 600 Watt Pentode for the bathroom window sill

Simon Spiers

1.7K views

11:03

Worlds First Dual GU-81 Push Pull VTTC

janno288

207 views

3:59

GU81 vacuum tube autopsy

Edward Science Innovations

1K views

0:30

gu81 pp

M!

185 views

0:58

Input circuit for GU81 linear amplifier

UEC MITSUI Marine Diesel Engine

242 views

2:49

Icon Audio MB81 or GU81 250W Pure Class A Monoblocks Power with Arcam and Revel Salon2

Antony Santhanamariyan's Audio Lab

210 views

9:07

GU81 Tube Amp / Röhrenverstärker Trafo+Anodenglühen

waldisek

109K views

1:20

AMPLIFICATOR GU81 - YO2UA

Maxx Gabi

5.4K views

0:20

GU-81 VTTC

ruzik1

1.8K views

0:23

GU-81 VTTC and fluorescent tube

ruzik1

2.3K views

2:01

Test Amply Tube GU 81 SE

Ks. Nguyễn Hòa

120 views

2:42

GU-81M pentode

przemyslaw landowski

1.5K views

1:26

Dual GU81 Tesla-Spule 35cm+

Schaulabor für Sonderelektronik

165 views

1:32

GU-81 Final VTTC 55cm

Crazy Electronics Experiment

876 views

1:20

gu 81 m vacuum tube Tesla coil build

Ricky Bobby

98 views

13:46

Vostok - 1.5 KW HF linear amplifier using GU-81M ( GU81 GU81M ГУ81 ГУ-81М ГУ81М) tube - by YO6PMX

Perian Marcel

48K views