Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 06:43:57 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 06:43:57 am | ||
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Smokin' PT
Started by bluestone |
22 Replies
6200 Views |
July 11, 2010, 07:23:31 pmby bluestone |
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Fixing Noise
Started by rafe |
2 Replies
2362 Views |
July 11, 2010, 01:30:44 am by rafe |
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5 Replies
3582 Views |
July 10, 2010, 07:14:28 pm by kagliostro |
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12 Replies
5143 Views |
July 10, 2010, 11:52:19 am by toomanyslurpees |
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Bogen CHB-35A PA amp
Started by punkykatt |
8 Replies
5376 Views |
July 09, 2010, 06:40:26 pm by dwp |
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2 Replies
4309 Views |
July 09, 2010, 08:46:58 am by kagliostro |
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Need help tracking down a "buzz"
Started by markmalin |
22 Replies
7688 Views |
July 09, 2010, 08:14:25 am by markmalin |
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Mstr vol pot value?
Started by tubenit |
5 Replies
3839 Views |
July 08, 2010, 02:36:24 pm by jojokeo |
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Fender AB763 onboard reverb too trebley
Started by flora |
9 Replies
5084 Views |
July 08, 2010, 10:32:16 am by phsyconoodler |
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2204 or Hot Switch
Started by macula56 |
3 Replies
2835 Views |
July 08, 2010, 09:02:58 am by rzenc |
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3 Replies
4034 Views |
July 08, 2010, 09:00:31 am by macula56 |
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Tonal Difference anyone? Choke types
Started by dwp |
4 Replies
4267 Views |
July 08, 2010, 07:16:35 am by FYL |
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MOVED: My time for building is over....
Started by tubenit |
0 Replies
2771 Views |
July 07, 2010, 07:19:17 pm by tubenit |
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1970's JMP50 PT voltage??
Started by bnwitt |
4 Replies
3101 Views |
July 06, 2010, 04:00:45 pm by bnwitt |
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Hammond M100 Ao29 on the bench
Started by LooseChange |
5 Replies
5496 Views |
July 06, 2010, 09:12:20 am by FYL |
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Marshall style PT with 7V heater winding...
Started by bruno |
16 Replies
6575 Views |
July 06, 2010, 07:00:18 am by sluckey |
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7 Replies
4799 Views |
July 06, 2010, 06:47:11 am by FYL |
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Need help identifying these Pots!
Started by Platefire |
13 Replies
4959 Views |
July 05, 2010, 10:58:47 pm by Platefire |
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'75 Deluxe Reverb Overhaul Advice Needed
Started by Wilks |
7 Replies
4189 Views |
July 05, 2010, 12:42:10 pm by pullshocks |
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Need Marshall schem and/or bit of info
Started by dynaman1 |
2 Replies
2462 Views |
July 05, 2010, 12:26:08 pm by dynaman1 |
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JCM 900 tone opinions and known mods
Started by bnwitt |
7 Replies
4458 Views |
July 05, 2010, 10:57:23 am by tubenit |
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Blues Jr. Upgrade secrets
Started by Tiny_Daddy |
7 Replies
5217 Views |
July 04, 2010, 09:19:16 pm by bigdaddy |
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Power & Standby switch alternatives
Started by Fresh_Start |
1 Replies
2453 Views |
July 04, 2010, 04:15:27 pm by bigdaddy |
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6 Replies
3493 Views |
July 04, 2010, 02:21:56 pm by bigdaddy |
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14 Replies
12762 Views |
July 04, 2010, 11:04:03 am by theundeadelvis |
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Silverface Twin Reverb
Started by Tiny_Daddy |
4 Replies
2964 Views |
July 04, 2010, 08:59:58 am by Tiny_Daddy |
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Some of the recents
Started by Madison |
5 Replies
3559 Views |
July 04, 2010, 08:57:50 am by LooseChange |
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Too many nice little amps
Started by TIMBO |
1 Replies
2918 Views |
July 04, 2010, 02:07:44 am by TIMBO |
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4 Replies
3962 Views |
July 03, 2010, 02:12:04 pm by RicharD |
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New amp D-HRM cathode biased
Started by tubenit |
3 Replies
2525 Views |
July 03, 2010, 09:34:15 am by Geezer |
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What tube is this?
Started by SLW |
10 Replies
4424 Views |
July 03, 2010, 03:19:41 am by HotBluePlates |
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PT question
Started by bigdaddy |
20 Replies
6519 Views |
July 02, 2010, 11:22:52 pm by eleventeen |
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Input shield connected to Plate??
Started by bnwitt |
13 Replies
6824 Views |
July 02, 2010, 06:12:22 pm by bnwitt |
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EF86 Tubes
Started by NannerPuddin |
3 Replies
2759 Views |
July 02, 2010, 04:08:46 pm by loogie |
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8 Replies
4177 Views |
July 02, 2010, 08:55:13 am by kagliostro |
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pots and high frequency
Started by Leevi |
12 Replies
4756 Views |
July 02, 2010, 08:00:10 am by bluesbear |
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Are these Wimas Worth Anything?
Started by jerryjg |
3 Replies
2593 Views |
July 02, 2010, 07:37:40 am by bluesbear |
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5 watt SLO
Started by Rev D |
1 Replies
3888 Views |
July 02, 2010, 05:23:58 am by JB |
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1 Replies
2518 Views |
July 01, 2010, 11:53:18 pm by PRR |
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Proper bias voltage range for EL34s
Started by bnwitt |
4 Replies
7021 Views |
June 30, 2010, 07:37:02 pm by bnwitt |
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HRM vs. 5E3 OD tone stack
Started by tubenit |
12 Replies
5416 Views |
June 30, 2010, 05:26:29 pm by jojokeo |
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Hammond L133 Power Transformer
Started by Jack1962 |
3 Replies
4094 Views |
June 30, 2010, 09:55:47 am by Jack1962 |
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Circuit Digestion - Ampex MX-10
Started by RicharD |
16 Replies
10703 Views |
June 30, 2010, 01:49:03 am by PRR |
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6Ak6/6G6 info
Started by bigdaddy |
11 Replies
12746 Views |
June 29, 2010, 07:03:27 pm by bigdaddy |
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Looking for AB763 transformer advice
Started by nateflanigan |
18 Replies
6846 Views |
June 29, 2010, 01:00:41 pm by Bp-Plickner |
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humming in new build...grrrrr!
Started by phsyconoodler |
17 Replies
6074 Views |
June 29, 2010, 10:13:29 am by DummyLoad |
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5F6-A+5E3 combination
Started by harryk |
12 Replies
6746 Views |
June 29, 2010, 04:14:50 am by HotBluePlates |
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MOVED: PC Based Oscilloscope
Started by PRR |
0 Replies
2608 Views |
June 29, 2010, 12:38:09 am by PRR |
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reverb problem in 66 vibrolux
Started by blues man |
2 Replies
2721 Views |
June 28, 2010, 10:39:37 am by phsyconoodler |
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Are this tubes usable ?
Started by kagliostro |
16 Replies
6020 Views |
June 28, 2010, 01:46:42 am by Rev D |
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