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WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
Building, troubleshooting and testing of these amplifiers should only be
performed by someone who is thoroughly familiar with
the safety precautions around high voltages.
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Tubes / Valves
All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum
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Please,a) cause of high pitched hum, b)DC wires twisted or not
frank2395
2005-05-01 9:11 am
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3
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2005-05-01 8:18 pm
Sch3mat1c
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"lift off " or "Houston we have a problem"
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2005-04-30 3:49 am
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2005-05-01 6:08 pm
tenderland
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Diodes in series and hybrids
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2005-04-29 5:38 pm
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2005-05-01 3:57 pm
Miniwatt
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Question about BAT VK 75
felixx
2005-05-01 1:38 pm
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0
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2005-05-01 1:38 pm
felixx
H
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12AX7 Compared!
HiFiNutNut
2005-02-10 7:35 am
2
3
Replies
48
Views
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2005-04-29 7:07 pm
lbchen
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Did a real nice find
Tekko
2005-04-28 3:40 pm
2
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2005-04-29 6:59 pm
Tekko
T
P
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New guy with DIY ground ?s--yes, even after searching:D
pushpull7591
2005-04-28 2:59 pm
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2005-04-29 5:38 pm
hermanv
H
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An Important Read
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2005-04-28 4:20 pm
Replies
5
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2K
2005-04-29 2:11 pm
valveitude
C
Locked
6.3v Heater Regulator Schematic
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2005-04-29 2:42 am
Replies
3
Views
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2005-04-29 1:20 pm
Bas Horneman
M
Locked
OPT winding orientation
MlinarS
2005-04-29 4:04 am
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2
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2005-04-29 9:30 am
EC8010
S
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opamp driving tubes
skyraider
2005-04-22 10:41 am
2
3
4
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16K
2005-04-29 7:57 am
skyraider
S
Locked
6AS7 lowpower amp?
Mr. Triatic
2005-04-25 10:06 pm
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1
Views
2K
2005-04-28 11:09 pm
SemperFi
S
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PP OPT Core dimension
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2005-04-27 1:59 pm
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4
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2005-04-28 10:42 pm
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O
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2005-04-27 11:07 pm
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2005-04-28 10:33 pm
Optical
O
H
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1626's watt?
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2005-04-27 9:08 pm
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2005-04-28 10:13 pm
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Shuagang 2A3C
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2005-04-27 6:24 pm
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2005-04-28 3:15 pm
kmtang
Locked
A sorry tale which will make you cry !!!
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2005-02-27 11:46 am
2
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2005-04-28 11:10 am
dhaen
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5u4g vs 5u4gb
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2005-04-28 1:44 am
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2005-04-28 8:58 am
Sch3mat1c
K
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Confirmation of Primary Impedance?
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2005-04-27 4:55 am
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7
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2005-04-28 8:50 am
planet10
P
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fellow Hawkeye lookin' for cadman!
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2005-04-27 7:39 pm
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0
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806
2005-04-27 7:39 pm
pushpull7591
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