Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 09:39:17 pm | ||
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11bm8 tubes
Started by Scsoul |
4 Replies
3556 Views |
![]() by Scsoul |
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13 Replies
4930 Views |
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6160 tuner
Started by johnesim |
3 Replies
1962 Views |
![]() by Willabe |
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5E8A with Tremelo
Started by ajeffcote |
2 Replies
2090 Views |
![]() by ajeffcote |
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Gibson GA45-RVT low power
Started by BigE |
20 Replies
6244 Views |
![]() by BigE |
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6V6 18Watt Parallel V1 Tuning Help
Started by ncusack |
4 Replies
2528 Views |
![]() by jojokeo |
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Can an amp's tone curve be tweaked
Started by pbman1953 |
3 Replies
2071 Views |
![]() by pbman1953 |
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balancing a LTPI ?
Started by 12AX7 |
14 Replies
6054 Views |
![]() by 12AX7 |
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DPST standby switch
Started by Boone |
23 Replies
7093 Views |
![]() by stratele52 |
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7025s for a Brown Vibrasonic
Started by Voxbox |
6 Replies
2975 Views |
![]() by Tom_Hull |
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adding dwell to a princeton reverb
Started by lego4040 |
4 Replies
3143 Views |
![]() by lego4040 |
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Oahu Amp? Tube Arraingement
Started by plexi50 |
20 Replies
5811 Views |
![]() by plexi50 |
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1967 Pro reverb bias problem
Started by Michael1 |
31 Replies
8987 Views |
![]() by Michael1 |
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Tube Doctor 5E3 Build
Started by mayburyds |
44 Replies
10651 Views |
![]() by mayburyds |
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9 Replies
3843 Views |
![]() by sluckey |
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6 Replies
2733 Views |
![]() by Ed_Chambley |
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7 Replies
6578 Views |
![]() by jojokeo |
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Anybody recognize this tranny?
Started by eleventeen |
4 Replies
2318 Views |
![]() by mat janssen |
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foot switch jack
Started by Bugman3183 |
5 Replies
2239 Views |
![]() by Bugman3183 |
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5E9-A rectifier ?
Started by SLW |
15 Replies
6028 Views |
![]() by SLW |
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Seafoam green princeton reverb clone
Started by TubeGeek |
30 Replies
7543 Views |
![]() by TubeGeek |
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El84 snubber - Anyone try this?
Started by jjasilli |
22 Replies
11536 Views |
![]() by jojokeo |
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Chassis heat and fans - Part II
Started by alerich |
5 Replies
2615 Views |
![]() by jojokeo |
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voltage doubler with 7591 tubes
Started by Tom_Hull |
23 Replies
7586 Views |
![]() by Tom_Hull |
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Challenger CHB 35
Started by plexi50 |
12 Replies
7757 Views |
![]() by jjasilli |
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13 Replies
5196 Views |
![]() by DummyLoad |
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Twin Reverb Filter cap board
Started by Guitarzan |
8 Replies
6263 Views |
![]() by Guitarzan |
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unity gain?
Started by shooter |
8 Replies
2715 Views |
![]() by sluckey |
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fender princeton 5f2-a trouble
Started by djsadowsk |
19 Replies
5033 Views |
![]() by djsadowsk |
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Diving into a vintage SVT
Started by nateflanigan |
24 Replies
7411 Views |
![]() by nateflanigan |
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Ways to get more voltage to V1?
Started by 12AX7 |
30 Replies
9682 Views |
![]() by Ed_Chambley |
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29 Replies
8100 Views |
![]() by Ed_Chambley |
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Another Traynor YSR1
Started by plexi50 |
2 Replies
2045 Views |
![]() by plexi50 |
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"original" 18 watt on the bench
Started by Madison |
29 Replies
7798 Views |
![]() by Madison |
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8 Replies
2800 Views |
![]() by sluckey |
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Paraphase Tone Control
Started by RicharD |
22 Replies
7225 Views |
![]() by KeithR |
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Trem in nondescript Japanese amp
Started by AZJimC |
9 Replies
3400 Views |
![]() by sluckey |
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9 Replies
4764 Views |
![]() by kagliostro |
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5 Replies
3010 Views |
![]() by lego4040 |
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Amp power down question.
Started by alerich |
4 Replies
2504 Views |
![]() by alerich |
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Impractical question
Started by shooter |
5 Replies
2549 Views |
![]() by sluckey |
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1964 Fender Deluxe
Started by Johns62312 |
21 Replies
5943 Views |
![]() by Johns62312 |
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16 Replies
5862 Views |
![]() by SoundmasterG |
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6V6GT plate voltage
Started by TIMBO |
13 Replies
10198 Views |
![]() by TIMBO |
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3 Replies
2513 Views |
![]() by TubeGeek |
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Ampeg Heritage B-15 schematic
Started by dynaman1 |
10 Replies
6310 Views |
![]() by kagliostro |
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MIG 60 PT question - Schematic here
Started by kagliostro |
3 Replies
3723 Views |
![]() by alerich |
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Hoffman AC30 voltage
Started by labb |
15 Replies
5299 Views |
![]() by labb |
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Unused transformer leads
Started by macula56 |
8 Replies
3386 Views |
![]() by shoggoth |
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Ultra Rectifier Board
Started by macula56 |
11 Replies
4139 Views |
![]() by sluckey |
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