Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 08:54:20 pm
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 08:54:20 pm | ||
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| rafe and 43 Guests are viewing this board. | ||||
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MOVED: channel switching with LDRs
Started by EL34 |
0 Replies
3158 Views |
August 18, 2010, 01:38:00 pmby EL34 |
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Cap in Hoffman "Meat" circuit
Started by The_Gaz |
6 Replies
5680 Views |
August 18, 2010, 01:22:30 pm by jeff |
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A first build
Started by shortfuse |
27 Replies
11251 Views |
August 18, 2010, 11:26:01 am by shortfuse |
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Anti-Bright cap?
Started by topbrent |
2 Replies
3525 Views |
August 18, 2010, 10:11:55 am by OldHouseScott |
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Marshall 1959 plexi in white tolex
Started by tubemania |
7 Replies
5817 Views |
August 18, 2010, 10:02:18 am by phsyconoodler |
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5f6a bassman rotary switch placement
Started by maxk |
7 Replies
4493 Views |
August 17, 2010, 11:29:10 pm by dwp |
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Re-using a 65 re-issue Twin Reverb PT
Started by dwp |
4 Replies
4140 Views |
August 17, 2010, 10:41:48 pm by sluckey |
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TOS OT Problem !!!!!!!
Started by TIMBO |
11 Replies
5469 Views |
August 17, 2010, 01:54:09 pm by TIMBO |
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1 Replies
3418 Views |
August 17, 2010, 12:11:44 pm by mresistor |
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OPT with secondary CT
Started by punkykatt |
5 Replies
4345 Views |
August 17, 2010, 10:28:26 am by punkykatt |
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Carbon comp brands ?
Started by worth |
4 Replies
3828 Views |
August 16, 2010, 11:29:21 pm by bigsbybender |
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tremolo circuit
Started by jeff |
7 Replies
5042 Views |
August 16, 2010, 12:34:04 pm by jeff |
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JTM Bluesbraker tremolo troubles
Started by sigkarl |
1 Replies
3091 Views |
August 16, 2010, 12:10:55 pm by tubeswell |
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Silvertone 1484 OT secondary impedances??
Started by bnwitt |
13 Replies
10149 Views |
August 16, 2010, 03:06:31 am by SoundmasterG |
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Univox 1236 Bass Head-DOA
Started by Cygnus_X1 |
2 Replies
4044 Views |
August 15, 2010, 04:20:16 pm by Cygnus_X1 |
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9 Replies
5295 Views |
August 15, 2010, 04:11:56 pm by dwp |
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Kind Of a Champ Project
Started by zendragon63 |
7 Replies
4932 Views |
August 14, 2010, 10:10:21 pm by Fresh_Start |
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My lastest senior moment
Started by bnwitt |
14 Replies
7534 Views |
August 14, 2010, 06:15:16 pm by craneclimber |
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PLEXI with TWEED OVERDRIVE
Started by TIMBO |
9 Replies
5656 Views |
August 14, 2010, 04:05:08 pm by TIMBO |
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MOVED: N-channel mosfets,similar?
Started by EL34 |
0 Replies
3582 Views |
August 14, 2010, 07:16:07 am by EL34 |
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remove me
Started by ampcabinets |
3 Replies
3833 Views |
August 14, 2010, 07:03:13 am by tubenit |
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GA-20RVT Minuteman (White Panel)
Started by Throstur |
12 Replies
7153 Views |
August 13, 2010, 09:29:21 pm by HotBluePlates |
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strange and dangerous problem
Started by phsyconoodler |
32 Replies
11902 Views |
August 13, 2010, 12:06:04 pm by jjasilli |
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8 Replies
5732 Views |
August 13, 2010, 09:40:57 am by rzenc |
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Blown cathode cap, etc....
Started by firemedic |
8 Replies
5267 Views |
August 13, 2010, 08:09:57 am by firemedic |
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Harvard 5F10 bias supply problems
Started by SirElwood |
6 Replies
6569 Views |
August 12, 2010, 04:14:57 pm by Fresh_Start |
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Power transformer getting scorching hot
Started by jerryjg |
3 Replies
7517 Views |
August 12, 2010, 10:42:25 am by jjasilli |
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Supro Supreme question
Started by Madison |
4 Replies
4781 Views |
August 12, 2010, 07:17:27 am by Madison |
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What Phase Inverter Is This?
Started by darkbluemurder |
9 Replies
5762 Views |
August 12, 2010, 03:19:32 am by darkbluemurder |
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5881 choices for TOS
Started by stingray_65 |
7 Replies
4546 Views |
August 12, 2010, 02:27:18 am by stingray_65 |
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12ay7 new production tubes
Started by Tone Junkie |
4 Replies
3829 Views |
August 12, 2010, 01:27:00 am by bigsbybender |
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Overdrive circuit
Started by Geo |
14 Replies
7434 Views |
August 10, 2010, 02:15:04 pm by jojokeo |
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Masco 25N - Just making some noise
Started by LooseChange |
16 Replies
8237 Views |
August 09, 2010, 09:47:33 pm by PRR |
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Marshall 3203 Artist
Started by macula56 |
2 Replies
3729 Views |
August 09, 2010, 01:17:15 pm by macula56 |
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6 Replies
5295 Views |
August 09, 2010, 11:06:47 am by mresistor |
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Gettin' paint off rough blond tolex?
Started by chuggy |
8 Replies
6408 Views |
August 09, 2010, 10:11:27 am by phsyconoodler |
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10 Replies
8226 Views |
August 09, 2010, 08:53:37 am by plexi50 |
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vintage danelectro amp
Started by john_t |
3 Replies
5051 Views |
August 08, 2010, 06:32:10 pm by john_t |
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2 Replies
3667 Views |
August 08, 2010, 02:14:06 pm by rafe |
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filter caps in series
Started by dude |
4 Replies
4450 Views |
August 08, 2010, 10:30:09 am by Merlin |
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32 Replies
15037 Views |
August 07, 2010, 02:33:02 pm by John |
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Current Tubes
Started by duke of earl |
3 Replies
3585 Views |
August 06, 2010, 01:16:47 pm by rzenc |
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Curious about one tube reverb
Started by NannerPuddin |
3 Replies
3612 Views |
August 06, 2010, 10:30:36 am by NannerPuddin |
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Champ KT88 PT choice ?
Started by worth |
7 Replies
6359 Views |
August 05, 2010, 11:28:58 pm by worth |
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Preamp Cathode resistor values
Started by topbrent |
4 Replies
9218 Views |
August 05, 2010, 10:46:35 am by rzenc |
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Capaciter in series question
Started by Tone Junkie |
3 Replies
3564 Views |
August 05, 2010, 09:37:31 am by Tone Junkie |
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6G12A Concert Amp vibrato stopped working
Started by jrmintz |
6 Replies
4596 Views |
August 05, 2010, 09:31:44 am by jrmintz |
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Solid or Stranded
Started by duke of earl |
21 Replies
8481 Views |
August 04, 2010, 10:01:39 pm by duke of earl |
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heater vloltage too high or low?
Started by LaszloS |
9 Replies
5624 Views |
August 04, 2010, 09:05:49 pm by LaszloS |
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Help w/ phase inverter re-design
Started by Geezer |
16 Replies
10164 Views |
August 04, 2010, 02:44:21 pm by Geezer |
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