Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 09:50:30 pm | ||
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3 new el84 amps from hiwatt at namm
Started by frank57 |
0 Replies
2310 Views |
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123 Replies
24560 Views |
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1960 Vibrasonic Tweed Disease?
Started by Voxbox |
12 Replies
4038 Views |
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8 Replies
3130 Views |
![]() by kagliostro |
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Need opinions please on an odd issue..
Started by jukelemon |
12 Replies
3798 Views |
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5E3 sizzle YT video Diagnosed!!
Started by Bdimb |
3 Replies
2222 Views |
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17 Replies
4278 Views |
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102 Replies
23378 Views |
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Blues Deville Lack of output volume
Started by shortfuse |
24 Replies
8349 Views |
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ac50, joe piazza schematic questions
Started by mols |
22 Replies
7934 Views |
![]() by SoundmasterG |
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15 Replies
5056 Views |
![]() by plexi50 |
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Requested Build, 63 Clone Brownface
Started by Ed_Chambley |
7 Replies
3105 Views |
![]() by Ed_Chambley |
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11 Replies
3813 Views |
![]() by eleventeen |
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light bulb noise reduction issues
Started by guntherbuffalo |
27 Replies
8529 Views |
![]() by kagliostro |
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Quad Reverb bias conversion?
Started by Mars-Hall |
17 Replies
4280 Views |
![]() by PRR |
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7 Replies
2874 Views |
![]() by PRR |
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5F11 Tweed Vibrolux... Coupling caps...
Started by Phil_Tre |
13 Replies
6823 Views |
![]() by HotBluePlates |
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Fisher 500
Started by ernie_jr |
5 Replies
2321 Views |
![]() by stratele52 |
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8 Replies
3400 Views |
![]() by kagliostro |
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Noisy 12AY7 in Bassman 5F6-A
Started by vincenzo |
43 Replies
8778 Views |
![]() by sluckey |
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Plexi-2203 Marshall wantobe
Started by printer2 |
3 Replies
2408 Views |
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'68 SUper reverb anomalies
Started by Underwood |
2 Replies
1896 Views |
![]() by Underwood |
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43 Replies
10041 Views |
![]() by Willabe |
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Voltage Doubler using a Recto Tube
Started by Jack1962 |
15 Replies
6086 Views |
![]() by SoundmasterG |
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6L6GC tube testing
Started by dscottguitars |
6 Replies
4481 Views |
![]() by dscottguitars |
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19 Replies
5047 Views |
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17 Replies
5254 Views |
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18 Replies
5400 Views |
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6 Replies
3331 Views |
![]() by sluckey |
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32 Replies
11974 Views |
![]() by thelonious |
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Outrageous freebie
Started by eleventeen |
11 Replies
3946 Views |
![]() by Toxophilite |
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Tweed Pro 5e5a cathode/fixed bias switch
Started by TubeGeek |
8 Replies
5699 Views |
![]() by TubeGeek |
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Bias Supply - Can be done this way ???
Started by kagliostro |
6 Replies
2994 Views |
![]() by kagliostro |
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Cathode bias EL34 power amp
Started by Tone Junkie |
25 Replies
12983 Views |
![]() by Tone Junkie |
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Silvertone 1484 speakers
Started by TubeGeek |
5 Replies
2564 Views |
![]() by SoundmasterG |
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7 Replies
3172 Views |
![]() by Toxophilite |
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5 Replies
3244 Views |
![]() by kagliostro |
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6BR7 & 6BS7 pentodes.
Started by DummyLoad |
4 Replies
5342 Views |
![]() by zendragon63 |
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Power transformer for tube preamp/DI
Started by Keppy |
23 Replies
9200 Views |
![]() by Keppy |
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Univox Tremolo..
Started by Jack_Hester |
12 Replies
4108 Views |
![]() by Willabe |
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Today's Haul
Started by Toxophilite |
18 Replies
4409 Views |
![]() by Toxophilite |
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input jack resistor
Started by Underwood |
3 Replies
1799 Views |
![]() by thelonious |
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9 Replies
2975 Views |
![]() by stratele52 |
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Too much B+ ??
Started by Toxophilite |
18 Replies
6408 Views |
![]() by Toxophilite |
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Mosfet CF FX
Started by tubenit |
9 Replies
3913 Views |
![]() by HotBluePlates |
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Is this a real active Baxandall TS ?
Started by kagliostro |
2 Replies
1724 Views |
![]() by kagliostro |
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fender 5e3
Started by roadking |
21 Replies
5267 Views |
![]() by PRR |
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Guild 66-J Amp..........
Started by Jack_Hester |
18 Replies
8426 Views |
![]() by Steve_P |
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Checking Bias on a 5F6A
Started by dpm309 |
14 Replies
4121 Views |
![]() by sluckey |
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Overall output questions?
Started by Speakz |
5 Replies
2232 Views |
![]() by HotBluePlates |
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