Welcome To the Hoffman Amplifiers Forum
March 11, 2026, 01:02:55 am
Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 01:02:55 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 194 Guests are viewing this board. | ||||
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EZ81 with B+ on the filament ?
Started by Ronquest |
36 Replies
11656 Views |
January 27, 2024, 03:28:29 pmby Ronquest |
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6V6gt vs. 7C5
Started by ALBATROS1234 |
2 Replies
3509 Views |
January 27, 2024, 12:00:00 pm by zircontweezer |
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Gibson GA19RVT-Extra PT wire..?
Started by tdvt |
9 Replies
4554 Views |
January 26, 2024, 06:24:14 pm by tdvt |
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100R vs 1K screen grid resistors in DR103?
Started by hiegdk |
2 Replies
3107 Views |
January 26, 2024, 04:59:36 pm by hiegdk |
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SINGLE ENDED AMPLIFIER (3K OUTPUT)
Started by Jonas |
34 Replies
9535 Views |
January 26, 2024, 01:50:38 pm by Jonas |
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Harmony H194
Started by clyde |
4 Replies
3316 Views |
January 26, 2024, 10:35:31 am by clyde |
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B52 AT100 Bias prob
Started by groovtubin |
0 Replies
2546 Views |
January 25, 2024, 11:49:37 pm by groovtubin |
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Show me the blocking distortion!
Started by Lectroid |
5 Replies
4341 Views |
January 25, 2024, 04:44:15 pm by PRR |
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Problem with roach tremolo now
Started by proaudioguy |
11 Replies
4351 Views |
January 25, 2024, 05:33:40 am by HotBluePlates |
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3 output-tube schematic analysis ?
Started by tdvt |
14 Replies
5837 Views |
January 24, 2024, 05:26:01 am by kagliostro |
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Sluckey's November 1
Started by AlNewman |
14 Replies
5138 Views |
January 23, 2024, 07:26:27 pm by sluckey |
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New 18W amp: questions
Started by Lectroid |
21 Replies
6086 Views |
January 23, 2024, 01:35:55 pm by dude |
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Goldentone rhythm light circuit
Started by jhanly |
0 Replies
2261 Views |
January 23, 2024, 06:41:01 am by jhanly |
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8 Replies
3732 Views |
January 22, 2024, 09:11:24 pm by waldner |
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Short in 6V6GT
Started by proaudioguy |
2 Replies
2369 Views |
January 22, 2024, 10:43:15 am by Brownie |
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Deluxe Reverb II to Deluxe Reverb
Started by proaudioguy |
21 Replies
7131 Views |
January 22, 2024, 10:33:25 am by tdvt |
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Hoffman Pro Jr questions
Started by proaudioguy |
8 Replies
3413 Views |
January 22, 2024, 06:46:24 am by EL34 |
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Choke placement...
Started by Brownie |
5 Replies
3413 Views |
January 21, 2024, 06:30:47 pm by WimWalther |
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Gibson Ensemble GA-86 on the bench
Started by TubeGeek |
9 Replies
4200 Views |
January 21, 2024, 09:11:16 am by Jonas |
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4 Replies
3004 Views |
January 20, 2024, 08:51:32 pm by WimWalther |
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14 Replies
5614 Views |
January 20, 2024, 04:13:21 pm by HotBluePlates |
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Easy grounding questions
Started by Lectroid |
8 Replies
3967 Views |
January 20, 2024, 01:22:26 pm by shooter |
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2 wrong values in an EQ section
Started by pbman1953 |
32 Replies
8489 Views |
January 19, 2024, 09:27:21 am by pbman1953 |
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Circuit explanation.
Started by slash1986 |
18 Replies
5534 Views |
January 19, 2024, 02:15:20 am by d95err |
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Silly amp design question…
Started by Jalmeida |
1 Replies
2074 Views |
January 19, 2024, 01:55:10 am by d95err |
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NYD one bottle mic preamp questions
Started by Toxophilite |
11 Replies
4327 Views |
January 19, 2024, 12:10:28 am by WimWalther |
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Custom build in Hammond Al Chassis
Started by Raybob |
2 Replies
2240 Views |
January 18, 2024, 08:57:43 pm by Raybob |
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6 Replies
3294 Views |
January 18, 2024, 12:35:18 pm by PRR |
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5879 in a combo?
Started by clyde |
6 Replies
3033 Views |
January 18, 2024, 07:55:22 am by Lectroid |
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Marshall lighted switch
Started by Lectroid |
2 Replies
2439 Views |
January 18, 2024, 07:19:54 am by Lectroid |
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Output Transformer Question
Started by separateness |
6 Replies
3212 Views |
January 18, 2024, 06:58:40 am by shooter |
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22 Replies
7779 Views |
January 18, 2024, 04:34:44 am by pdf64 |
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changing bias vari to the roach
Started by proaudioguy |
26 Replies
7778 Views |
January 18, 2024, 02:41:49 am by proaudioguy |
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6V6 triode cool tone !!!!
Started by Colas LeGrippa |
7 Replies
3927 Views |
January 17, 2024, 04:06:37 pm by 66Strat |
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Adding Reverb
Started by jewishjay |
3 Replies
2433 Views |
January 17, 2024, 10:11:14 am by jewishjay |
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Sourcing Dual Concentric Knobs
Started by jordan86 |
11 Replies
6418 Views |
January 16, 2024, 11:54:50 pm by XYZGnomon |
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OT Proximity to Preamp..?
Started by tdvt |
2 Replies
2278 Views |
January 16, 2024, 05:53:12 pm by tdvt |
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Another OT question
Started by AlNewman |
6 Replies
3253 Views |
January 16, 2024, 04:05:16 pm by AlNewman |
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Need treble pot value
Started by punkykatt |
5 Replies
2946 Views |
January 16, 2024, 02:38:04 pm by punkykatt |
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2 Replies
2228 Views |
January 15, 2024, 07:37:52 pm by PRR |
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30 Replies
7501 Views |
January 15, 2024, 04:34:36 pm by shooter |
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12ax7 mic. preamp overdriving itself
Started by Toxophilite |
18 Replies
5418 Views |
January 15, 2024, 11:30:42 am by pdf64 |
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17 Replies
4807 Views |
January 15, 2024, 09:48:17 am by dwinstonwood |
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Oscilloscopes advice.
Started by slash1986 |
6 Replies
3945 Views |
January 15, 2024, 04:37:13 am by Latole |
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2 Replies
2315 Views |
January 14, 2024, 08:31:31 pm by HotBluePlates |
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26 Replies
7009 Views |
January 14, 2024, 05:15:52 am by pdf64 |
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Sano 300 - A pair of questions
Started by kagliostro |
6 Replies
3181 Views |
January 13, 2024, 06:10:44 pm by PRR |
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0 Replies
1997 Views |
January 13, 2024, 05:54:14 pm by sluckey |
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9 Replies
3662 Views |
January 12, 2024, 07:30:45 pm by mresistor |
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3 Replies
2485 Views |
January 12, 2024, 04:56:16 pm by PRR |
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