Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 05:54:53 am | ||
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7 Replies
3776 Views |
by bohema79 |
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3 new el84 amps from hiwatt at namm
Started by frank57 |
0 Replies
2705 Views |
by frank57 |
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123 Replies
30106 Views |
by SILVERGUN |
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1960 Vibrasonic Tweed Disease?
Started by Voxbox |
12 Replies
4695 Views |
by Voxbox |
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8 Replies
3792 Views |
by kagliostro |
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Need opinions please on an odd issue..
Started by jukelemon |
12 Replies
4447 Views |
by jukelemon |
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5E3 sizzle YT video Diagnosed!!
Started by Bdimb |
3 Replies
2698 Views |
by Bdimb |
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17 Replies
5090 Views |
by Jack_Hester |
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102 Replies
26536 Views |
by Platefire |
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Blues Deville Lack of output volume
Started by shortfuse |
24 Replies
9361 Views |
by shortfuse |
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ac50, joe piazza schematic questions
Started by mols |
22 Replies
8765 Views |
by SoundmasterG |
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15 Replies
5780 Views |
by plexi50 |
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Requested Build, 63 Clone Brownface
Started by Ed_Chambley |
7 Replies
3562 Views |
by Ed_Chambley |
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11 Replies
4494 Views |
by eleventeen |
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light bulb noise reduction issues
Started by guntherbuffalo |
27 Replies
9805 Views |
by kagliostro |
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Quad Reverb bias conversion?
Started by Mars-Hall |
17 Replies
5091 Views |
by PRR |
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7 Replies
3430 Views |
by PRR |
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5F11 Tweed Vibrolux... Coupling caps...
Started by Phil_Tre |
13 Replies
7983 Views |
by HotBluePlates |
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Fisher 500
Started by ernie_jr |
5 Replies
2882 Views |
by stratele52 |
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8 Replies
4051 Views |
by kagliostro |
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Noisy 12AY7 in Bassman 5F6-A
Started by vincenzo |
43 Replies
10197 Views |
by sluckey |
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Plexi-2203 Marshall wantobe
Started by printer2 |
3 Replies
2934 Views |
by printer2 |
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'68 SUper reverb anomalies
Started by Underwood |
2 Replies
2277 Views |
by Underwood |
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43 Replies
11393 Views |
by Willabe |
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Voltage Doubler using a Recto Tube
Started by Jack1962 |
15 Replies
7057 Views |
by SoundmasterG |
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6L6GC tube testing
Started by dscottguitars |
6 Replies
5094 Views |
by dscottguitars |
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19 Replies
5916 Views |
by terminalgs |
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17 Replies
6595 Views |
by Toxophilite |
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18 Replies
6618 Views |
by Willabe |
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6 Replies
4032 Views |
by sluckey |
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32 Replies
13610 Views |
by thelonious |
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Outrageous freebie
Started by eleventeen |
11 Replies
4676 Views |
by Toxophilite |
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Tweed Pro 5e5a cathode/fixed bias switch
Started by TubeGeek |
8 Replies
6147 Views |
by TubeGeek |
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Bias Supply - Can be done this way ???
Started by kagliostro |
6 Replies
3400 Views |
by kagliostro |
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Cathode bias EL34 power amp
Started by Tone Junkie |
25 Replies
14375 Views |
by Tone Junkie |
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Silvertone 1484 speakers
Started by TubeGeek |
5 Replies
3015 Views |
by SoundmasterG |
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7 Replies
3718 Views |
by Toxophilite |
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5 Replies
3574 Views |
by kagliostro |
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6BR7 & 6BS7 pentodes.
Started by DummyLoad |
4 Replies
5845 Views |
by zendragon63 |
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Power transformer for tube preamp/DI
Started by Keppy |
23 Replies
10060 Views |
by Keppy |
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Univox Tremolo..
Started by Jack_Hester |
12 Replies
4812 Views |
by Willabe |
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Today's Haul
Started by Toxophilite |
18 Replies
5140 Views |
by Toxophilite |
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input jack resistor
Started by Underwood |
3 Replies
2108 Views |
by thelonious |
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9 Replies
3614 Views |
by stratele52 |
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Too much B+ ??
Started by Toxophilite |
18 Replies
7156 Views |
by Toxophilite |
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Mosfet CF FX
Started by tubenit |
9 Replies
4506 Views |
by HotBluePlates |
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Is this a real active Baxandall TS ?
Started by kagliostro |
2 Replies
2052 Views |
by kagliostro |
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fender 5e3
Started by roadking |
21 Replies
6012 Views |
by PRR |
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Guild 66-J Amp..........
Started by Jack_Hester |
18 Replies
9476 Views |
by Steve_P |
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Checking Bias on a 5F6A
Started by dpm309 |
14 Replies
4670 Views |
by sluckey |
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