Welcome To the Hoffman Amplifiers ForumOctober 24, 2025, 01:16:23 am | ||
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Schematic Voltage Question
Started by jcruppe |
4 Replies
2703 Views |
by jcr |
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Woo hoo frankenstien roared
Started by Tone Junkie |
8 Replies
3831 Views |
by Tone Junkie |
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OT primary matching?
Started by nateflanigan |
8 Replies
4188 Views |
by nateflanigan |
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Cryogenic tube treatment???
Started by simonallaway |
33 Replies
10471 Views |
by HotBluePlates |
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YAH* - Bogen K15 PA
Started by DummyLoad |
3 Replies
3560 Views |
by DummyLoad |
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5e3 speaker jacks
Started by Leevi |
1 Replies
2663 Views |
by sluckey |
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just sold number 18
Started by jerrydyer |
21 Replies
6682 Views |
by jerrydyer |
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17 Replies
7315 Views |
by nateflanigan |
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Tremolux Reverb build is done
Started by firemedic |
10 Replies
4880 Views |
by EW57 |
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Vox night train redplating issue
Started by phsyconoodler |
9 Replies
4865 Views |
by Willabe |
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7 Replies
5084 Views |
by RicharD |
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17 Replies
6073 Views |
by Quatro |
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input jack resistors explained
Started by dwp |
9 Replies
6092 Views |
by PRR |
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JTM45 build
Started by Tiny_Daddy |
4 Replies
3076 Views |
by Tiny_Daddy |
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5E7 (ish) build up and running!
Started by bakerlite |
29 Replies
15088 Views |
by bakerlite |
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TOS muddy with humbuckers
Started by 67polara |
24 Replies
8232 Views |
by bigdaddy |
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Toroid PT's
Started by Willabe |
13 Replies
6372 Views |
by andrew_k |
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0 Replies
2375 Views |
by EL34 |
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0 Replies
2370 Views |
by EL34 |
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any Boogie connections?
Started by jerrydyer |
0 Replies
1977 Views |
by jerrydyer |
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Groove tube chassis?
Started by jerrydyer |
3 Replies
2239 Views |
by jerrydyer |
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New BFPR build..and Thank You!!
Started by Deric |
8 Replies
3520 Views |
by drumslinger2000 |
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ampeg b12xt driving me crazy
Started by unclerny |
9 Replies
5896 Views |
by PRR |
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Fender Twin Pro 100 Biasing...
Started by mrr3000gt |
4 Replies
2774 Views |
by mrr3000gt |
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bad oscillation
Started by Leevi |
20 Replies
8054 Views |
by phsyconoodler |
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3 Replies
2876 Views |
by 38Super |
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The "Double C" amp (new build)
Started by tubenit |
8 Replies
4259 Views |
by Tone Junkie |
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20 Replies
8121 Views |
by Willabe |
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Noise with new power transformer.
Started by chocopower |
5 Replies
3382 Views |
by chocopower |
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Ground lift
Started by jeff |
15 Replies
9330 Views |
by LooseChange |
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Tweed BluezMeister Parts list & BOM
Started by tubenit |
6 Replies
3793 Views |
by drumslinger2000 |
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PT or OT ?
Started by crashtm1 |
10 Replies
4574 Views |
by foghornleghorn |
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VVR for 50W amp
Started by Leevi |
6 Replies
3955 Views |
by kagliostro |
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Isolation transformer
Started by jeff |
8 Replies
4675 Views |
by Packerswin14 |
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Wireless guitar systems and tube amps
Started by Leevi |
5 Replies
4211 Views |
by samato |
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Screen resistor values?
Started by firemedic |
5 Replies
4426 Views |
by firemedic |
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New Project Ideas?
Started by ncusack |
4 Replies
3050 Views |
by phsyconoodler |
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Bill of Materials / parts lists
Started by simonallaway |
17 Replies
6868 Views |
by ckilgore |
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Junk Bin Tube Amp.
Started by DummyLoad |
10 Replies
4626 Views |
by jojokeo |
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AA165 circuit in a 5F6A chassis?
Started by Madison |
4 Replies
2748 Views |
by phsyconoodler |
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Anyone try polystyrene caps?
Started by dwp |
13 Replies
8589 Views |
by jojokeo |
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Vibrolux and twin reverb
Started by guitarhvac |
6 Replies
3575 Views |
by guitarhvac |
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23 Replies
15100 Views |
by HotBluePlates |
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3 Replies
4288 Views |
by navdave |
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33 Replies
14525 Views |
by Tone Junkie |
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Cathode Bias AB763?
Started by duke of earl |
7 Replies
5638 Views |
by chocopower |
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P600D Diodes
Started by plexi50 |
6 Replies
4036 Views |
by plexi50 |
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Fun weekend project - Tiny Giant
Started by jojokeo |
22 Replies
11847 Views |
by kagliostro |
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High voltages in Traynor Bassmaster
Started by Cups |
6 Replies
3804 Views |
by Cups |
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19 Replies
11714 Views |
by jjasilli |
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