Welcome To the Hoffman Amplifiers Forum
December 09, 2025, 09:33:12 am
Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 09:33:12 am | ||
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| 0 Members and 108 Guests are viewing this board. | ||||
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SE power tube switch
Started by jeff |
7 Replies
4894 Views |
November 08, 2010, 12:51:16 pmby John |
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Choke Value for an 18 Watt Stout
Started by knotscott |
3 Replies
3592 Views |
November 08, 2010, 09:17:40 am by knotscott |
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6 Replies
4427 Views |
November 08, 2010, 02:00:55 am by kagliostro |
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Using resistor for speaker load
Started by jeff |
1 Replies
3170 Views |
November 07, 2010, 04:32:51 pm by mresistor |
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Red-Plating Problem with My Accomplice
Started by Platefire |
6 Replies
4282 Views |
November 07, 2010, 07:32:33 am by Platefire |
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OT Question
Started by TIMBO |
4 Replies
3623 Views |
November 07, 2010, 12:37:04 am by TIMBO |
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Another question RE Kay 703 iso tranny
Started by chuggy |
11 Replies
9662 Views |
November 06, 2010, 05:08:52 pm by PRR |
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PT & OT headphone hum testing
Started by jojokeo |
2 Replies
3892 Views |
November 06, 2010, 03:27:29 pm by jojokeo |
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Fender Super 4x10
Started by donahue |
9 Replies
4880 Views |
November 05, 2010, 07:06:42 pm by donahue |
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Potted OT and PT alignment
Started by Bub |
32 Replies
11858 Views |
November 05, 2010, 09:55:12 am by jojokeo |
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Blackface champ effects loop
Started by chocopower |
5 Replies
6899 Views |
November 05, 2010, 07:42:28 am by chocopower |
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13 Replies
10164 Views |
November 05, 2010, 07:37:47 am by Jack1962 |
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outside foil on unmarked PIO caps?
Started by Tsquared |
2 Replies
3825 Views |
November 05, 2010, 04:21:07 am by Shrapnel |
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Transformer potting
Started by Midtex |
4 Replies
5760 Views |
November 04, 2010, 10:21:02 pm by Midtex |
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7 Replies
4472 Views |
November 04, 2010, 10:56:34 am by Baguette |
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Need power supply design help
Started by Midtex |
23 Replies
10922 Views |
November 03, 2010, 05:15:37 pm by Midtex |
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0 Replies
2985 Views |
November 03, 2010, 10:30:17 am by EL34 |
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MOVED: Another schematic sketch-up tool
Started by EL34 |
0 Replies
3208 Views |
November 03, 2010, 10:29:14 am by EL34 |
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MOVED: What tube tester to buy?
Started by EL34 |
0 Replies
3020 Views |
November 03, 2010, 10:28:27 am by EL34 |
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O.T. for a 4x6L6GC amp
Started by rzenc |
15 Replies
10822 Views |
November 03, 2010, 07:43:34 am by rzenc |
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Galvanized chassis
Started by Bub |
7 Replies
5982 Views |
November 03, 2010, 06:57:01 am by stingray_65 |
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Revibe- Verb but no Vibe?
Started by theundeadelvis |
30 Replies
10277 Views |
November 02, 2010, 10:15:17 pm by theundeadelvis |
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6 Replies
4605 Views |
November 01, 2010, 01:31:00 pm by sluckey |
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2 Replies
3523 Views |
November 01, 2010, 12:00:30 pm by HotBluePlates |
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MOVED: Beneficial link
Started by EL34 |
0 Replies
3172 Views |
November 01, 2010, 11:16:55 am by EL34 |
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MOVED: biasing jfets
Started by EL34 |
0 Replies
3305 Views |
November 01, 2010, 11:15:19 am by EL34 |
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3 Replies
4517 Views |
October 31, 2010, 09:52:19 pm by PRR |
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The 5E3 Tone Stack
Started by Platefire |
6 Replies
11864 Views |
October 31, 2010, 09:21:21 am by FYL |
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5e3 Problem/Question
Started by JavaJunkie |
18 Replies
8169 Views |
October 30, 2010, 08:22:56 pm by JavaJunkie |
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7027 to 6L6
Started by rdrgtr |
9 Replies
5468 Views |
October 30, 2010, 12:40:28 am by PRR |
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Negative Feed Back 8 ohm tap?
Started by zfiles1701 |
9 Replies
9661 Views |
October 29, 2010, 08:14:09 pm by zfiles1701 |
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transformer ratings question
Started by worth |
2 Replies
2985 Views |
October 29, 2010, 07:07:36 pm by HotBluePlates |
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7 Replies
4188 Views |
October 29, 2010, 05:56:15 pm by Tiny_Daddy |
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Weber Copper Caps and Bridge rec??
Started by 67polara |
19 Replies
10199 Views |
October 29, 2010, 11:17:32 am by kagliostro |
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Shared input resistor
Started by dynaman1 |
9 Replies
5334 Views |
October 29, 2010, 10:24:39 am by dynaman1 |
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Firefly with dc on input
Started by Voxbox |
5 Replies
3979 Views |
October 28, 2010, 04:55:42 pm by Voxbox |
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9 Replies
5024 Views |
October 28, 2010, 11:46:58 am by eleventeen |
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New Hammond "Fender"pt hums
Started by worth |
25 Replies
8904 Views |
October 27, 2010, 09:39:01 pm by billcreller |
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31 Replies
17407 Views |
October 27, 2010, 04:51:42 pm by Pastortom |
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AB763 6L6 bias range?
Started by zfiles1701 |
3 Replies
5406 Views |
October 27, 2010, 12:18:38 pm by zfiles1701 |
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6 Replies
4424 Views |
October 26, 2010, 02:52:00 pm by moody |
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The Valve Amps
Started by macula56 |
4 Replies
3369 Views |
October 26, 2010, 05:31:47 am by macula56 |
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Fender bassman 100 hum!
Started by Andre Oliveros |
4 Replies
4413 Views |
October 25, 2010, 11:14:48 pm by worth |
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Revibe PT wiring question
Started by theundeadelvis |
2 Replies
3052 Views |
October 24, 2010, 07:41:10 pm by theundeadelvis |
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7 Replies
4777 Views |
October 24, 2010, 06:26:49 pm by drumslinger2000 |
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Tube Replacement JCM 900
Started by shortfuse |
13 Replies
8409 Views |
October 24, 2010, 11:28:11 am by shortfuse |
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18 Replies
11106 Views |
October 23, 2010, 08:53:00 pm by HotBluePlates |
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High V on 12AX7 for trem
Started by chip |
8 Replies
4534 Views |
October 23, 2010, 07:22:58 pm by tubeswell |
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10 Replies
6621 Views |
October 23, 2010, 05:32:40 pm by Bierschinken |
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5e3 amp to loud?
Started by leon |
4 Replies
4037 Views |
October 23, 2010, 05:08:43 pm by Cups |
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