Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 01:09:24 pm | ||
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9 Replies
4518 Views |
by Mike_J |
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Low Power Standel 10L12 with 6V6 amp
Started by kingplank |
32 Replies
12084 Views |
by kingplank |
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Looking for Hard to find PT
Started by dude |
24 Replies
7281 Views |
by Tone Junkie |
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0 Replies
1995 Views |
by Mike_J |
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Marshall 1986 JMP 50 Bass / 7027
Started by plexi50 |
0 Replies
2610 Views |
by plexi50 |
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From Valco one gadget for your amp
Started by kagliostro |
1 Replies
2288 Views |
by MadMax |
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4 Replies
2767 Views |
by TerryD |
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5e3 first build _ampro
Started by ernest |
36 Replies
13156 Views |
by plexi50 |
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Carolina Blues Special (update)
Started by tubenit |
5 Replies
4767 Views |
by Ken Moon |
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Isolation jacks
Started by shooter |
9 Replies
4876 Views |
by shooter |
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Bad Cat Hot Cat 15 Schematic
Started by bnwitt |
11 Replies
15067 Views |
by bnwitt |
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Dual Single Ended Output
Started by hesamadman |
48 Replies
23902 Views |
by HotBluePlates |
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11 Replies
5301 Views |
by kagliostro |
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Little losses on 5 f1 negative feedback
Started by john_t |
8 Replies
3512 Views |
by EL34 |
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5 Replies
4195 Views |
by kagliostro |
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6 Replies
3680 Views |
by Mike_J |
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alternative ^V^
Started by DummyLoad |
5 Replies
4469 Views |
by kagliostro |
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ECL 86 ?
Started by Toxophilite |
8 Replies
5501 Views |
by TIMBO |
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6 Replies
3757 Views |
by blues man |
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Quick question regarding my 2204
Started by hesamadman |
7 Replies
3963 Views |
by shooter |
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4 Replies
3116 Views |
by jjasilli |
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34 Replies
12707 Views |
by Mike_J |
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Cap Analyzer 88A ESR/DCR Meter
Started by TubeGeek |
7 Replies
4369 Views |
by TubeGeek |
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21 Replies
7577 Views |
by PRR |
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Component Tolerances
Started by TIMBO |
5 Replies
3453 Views |
by tubeswell |
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13 Replies
5688 Views |
by HotBluePlates |
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44 Replies
13717 Views |
by guntherbuffalo |
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2 Replies
2453 Views |
by tubenit |
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hum on stand-by
Started by Leevi |
35 Replies
10337 Views |
by Leevi |
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ELECTRO-HARMONIX B9 ORGAN MACHINE
Started by EL34 |
0 Replies
2344 Views |
by EL34 |
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Common / Ground connection to chassis
Started by tompagan123 |
9 Replies
6955 Views |
by Mike_J |
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4 Replies
3328 Views |
by jojokeo |
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I'm sure this will be a stupid question.
Started by Rp3703 |
16 Replies
6025 Views |
by jjasilli |
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0 Replies
2186 Views |
by frank57 |
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0 Replies
2207 Views |
by EL34 |
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Hammond Amp Conversion
Started by TIMBO |
0 Replies
2703 Views |
by TIMBO |
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Has anyone built a Weber Maggie?
Started by Guitarzan |
13 Replies
7625 Views |
by Guitarzan |
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0 Replies
2232 Views |
by EL34 |
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Grid stopper question
Started by g-man |
22 Replies
9676 Views |
by HotBluePlates |
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Noisy Start Up
Started by Blind Lemon |
6 Replies
3520 Views |
by jojokeo |
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Twin reverb 1974 reserection
Started by Auke Jolman |
27 Replies
9752 Views |
by Auke Jolman |
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deluxe reverb build hum
Started by rutledj |
9 Replies
3821 Views |
by Willabe |
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IN4007 diodes shorted out
Started by TIMBO |
4 Replies
2862 Views |
by TIMBO |
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6 Replies
3407 Views |
by kagliostro |
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Pre amp/ amp
Started by jeff |
14 Replies
5280 Views |
by jeff |
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epiphone valve jr
Started by moondog2u |
8 Replies
4410 Views |
by Blind Lemon |
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Stereo tube amp
Started by Leevi |
5 Replies
2994 Views |
by shooter |
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tip request! handy size bias resistors
Started by bakerlite |
2 Replies
2479 Views |
by eleventeen |
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Rectifying 2 uneven HT
Started by guntherbuffalo |
10 Replies
4469 Views |
by guntherbuffalo |
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PCB repairs
Started by jim |
10 Replies
4272 Views |
by G._Hoffman |
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