Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 04:16:23 pm | ||
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are these caps bad?
Started by pbman1953 |
36 Replies
9652 Views |
![]() by pbman1953 |
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Mismatch power tube current balance
Started by TIMBO |
28 Replies
7099 Views |
![]() by TIMBO |
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4 Replies
2344 Views |
![]() by Speakz |
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16 Replies
7642 Views |
![]() by Willabe |
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3 Replies
2015 Views |
![]() by stratele52 |
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Reverb hum - pedal related
Started by osing |
13 Replies
3804 Views |
![]() by osing |
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Happy New Year!!!
Started by plexi50 |
8 Replies
3144 Views |
![]() by FranciscoPerez |
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Adding EMI filter to an amp?
Started by ncusack |
4 Replies
4936 Views |
![]() by stratele52 |
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9 Replies
3698 Views |
![]() by HotBluePlates |
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Does dual bias really work to 'Match' tubes?
Started by Ed_Chambley « 1 2 » |
66 Replies
21556 Views |
![]() by Willabe |
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Why did Peavey do this ?
Started by floyd |
1 Replies
2291 Views |
![]() by PRR |
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Temperature of a 12AX7
Started by TIMBO |
14 Replies
6145 Views |
![]() by TIMBO |
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Brown Concert bias mod?
Started by Mars-Hall |
12 Replies
4336 Views |
![]() by eleventeen |
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Mo' Rock Special
Started by tubenit |
3 Replies
2201 Views |
![]() by terminalgs |
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Newcomb Pathfinder E-10B
Started by SpareRibs |
22 Replies
10243 Views |
![]() by SpareRibs |
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Ampeg Superjet SJ12T (1990's)
Started by upnorth2 |
0 Replies
2870 Views |
![]() by upnorth2 |
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mosfet CF bootstrapped?
Started by tubenit |
19 Replies
7143 Views |
![]() by kagliostro |
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New Tung Sol- KT's
Started by pbman1953 |
16 Replies
6514 Views |
![]() by Ritchie200 |
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quad 6bq5 build
Started by shooter |
14 Replies
5763 Views |
![]() by shooter |
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AA864 Bassman ?
Started by floyd |
7 Replies
6517 Views |
![]() by Willabe |
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Note to all - Merry Christmas
Started by dude |
16 Replies
4531 Views |
![]() by FranciscoPerez |
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26 Replies
6662 Views |
![]() by Cutter |
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56 Replies
17182 Views |
![]() by tfrost |
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Blending two circuits
Started by TIMBO |
25 Replies
7104 Views |
![]() by tubenit |
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Working on the back side of a Gibson circuit board?
Started by chuggy |
6 Replies
3108 Views |
![]() by chuggy |
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Capacitor testing
Started by Guitarzan |
17 Replies
6828 Views |
![]() by SoundmasterG |
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FX LOOP REVERB/VIBRATO
Started by TIMBO |
0 Replies
2197 Views |
![]() by TIMBO |
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Hoffman amp parts 20yrs!
Started by PRR |
0 Replies
2011 Views |
![]() by PRR |
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1st P/P build, questions
Started by shooter |
20 Replies
6029 Views |
![]() by jjasilli |
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58 Replies
14376 Views |
![]() by plexi50 |
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2 Replies
2358 Views |
![]() by tubeswell |
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5B4/5C4/5C5 Build
Started by olgoat |
18 Replies
6866 Views |
![]() by olgoat |
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90 year old Magnavox Amp
Started by P Batty |
16 Replies
5312 Views |
![]() by P Batty |
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AB763 hum and fix
Started by Leevi |
17 Replies
5947 Views |
![]() by SILVERGUN |
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Newby 2550 build!
Started by Jaymz77 |
40 Replies
10902 Views |
![]() by Jaymz77 |
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Transformer and valve protection
Started by JB |
17 Replies
7092 Views |
![]() by silverfox |
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deluxe reverb with el84s
Started by phsyconoodler |
4 Replies
2593 Views |
![]() by phsyconoodler |
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heater specs
Started by shooter |
5 Replies
2561 Views |
![]() by shooter |
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Peavey makeover
Started by floyd |
13 Replies
4039 Views |
![]() by floyd |
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Delta Blues Half Watt Mod Help
Started by ncusack |
8 Replies
3576 Views |
![]() by HotBluePlates |
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12 Replies
10283 Views |
![]() by HotBluePlates |
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3 Replies
2436 Views |
![]() by HotBluePlates |
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ampeg tone control
Started by ernie_jr |
10 Replies
3811 Views |
![]() by ernie_jr |
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Why do we call the HT the B rail.
Started by drgonzonm |
3 Replies
2168 Views |
![]() by billcreller |
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High Gain for 5E3
Started by kingplank |
16 Replies
6443 Views |
![]() by kingplank |
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7 Replies
8593 Views |
![]() by Ed_Chambley |
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5D6 Bassman Layout From Pics
Started by plexi50 |
18 Replies
8921 Views |
![]() by DummyLoad |
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O.T. wiring
Started by chocopower |
10 Replies
3636 Views |
![]() by stratele52 |
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Specific capacitors for BFVR build?
Started by Speakz |
10 Replies
4181 Views |
![]() by Ed_Chambley |
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Question for Sluckey
Started by kagliostro |
10 Replies
4203 Views |
![]() by sluckey |
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