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 Post subject: sIII voltage chart
PostPosted: Wed Nov 16, 2005 10:14 am 
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Joined: Thu Mar 17, 2005 5:34 pm
Posts: 130
Location: Montreal, Canada
Thought I'd post my voltage chart of my working sIII.

PI in V3 slot
V1
1 160
3 .9
6 172
8 .9

V2
1 172
3 1.3
6 268
8 174

V3 (PI)
1 218
2 50
3 70
6 217
7 72
8 70

V4
3 12
7 347
9 335

V5
3 12
7 347
9 336

The voltages look a little high on pins 7 and 9 of the el84's. I have to look into that.

Stephen, comments on the el84 voltages? Aren't they a bit high? I thought they were supposed to be around 300, and no more


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 Post subject:
PostPosted: Thu Nov 17, 2005 12:28 am 
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Holy Ghost
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Joined: Sun Mar 13, 2005 4:10 pm
Posts: 7519
Location: Canada
Those EL84 voltages are good. Throw away that spec sheet! Your voltages look good to me.

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Stephen
Web: www.trinityamps.com. Facebook: facebook.com/trinityamps. Twitter: @trinityamps


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 Post subject:
PostPosted: Sat Nov 19, 2005 6:03 pm 
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Holy Ghost
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Joined: Sun Mar 13, 2005 4:10 pm
Posts: 7519
Location: Canada
Voltage chart of a working sIII.

AC Mains Voltage 123VAC; B+ 440 VDC no tubes installed

V1 - 12AX7
--------------
Pin Volts
1 154
3 1.0
6 160
8 1.0

V2 - 12AX7
--------------
Pin Volts
1 184
3 1.6
6 278
8 184

V3 (PI) - 12AX7
--------------
Pin Volts
1 222
2 55
3 80
6 217
7 54
8 80

V4 - EL84
-----------
Pin Volts
3 11.7
7 364
9 354

V5 - EL84
-----------
Pin Volts
3 11.7
7 366
9 354

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Stephen
Web: www.trinityamps.com. Facebook: facebook.com/trinityamps. Twitter: @trinityamps


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