Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 02:47:24 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 02:47:24 pm | ||
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| 0 Members and 52 Guests are viewing this board. | ||||
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1760J OT for Blues Jr.
Started by roseblood11 |
3 Replies
2147 Views |
February 21, 2024, 01:33:47 pmby roseblood11 |
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9 Replies
3858 Views |
February 21, 2024, 09:12:13 am by ALBATROS1234 |
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39 Replies
8030 Views |
February 21, 2024, 02:50:35 am by Lambertini |
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Gretsch Fury 6169 on the bench
Started by TubeGeek |
33 Replies
6973 Views |
February 20, 2024, 05:50:03 pm by TubeGeek |
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Setting up a bias type tremolo circuit
Started by WimWalther |
29 Replies
6626 Views |
February 20, 2024, 03:16:44 pm by HotBluePlates |
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Crown GPA-25 -- 1950s/1960s PA amp
Started by passaloutre |
1 Replies
1875 Views |
February 20, 2024, 11:28:36 am by passaloutre |
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10 Replies
3100 Views |
February 20, 2024, 10:26:07 am by 66Strat |
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What resistor is this? Safe to remove?
Started by Mr.Death |
17 Replies
4373 Views |
February 19, 2024, 10:33:18 pm by sluckey |
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Pots grounding
Started by Lambertini |
17 Replies
5331 Views |
February 19, 2024, 12:53:39 pm by HotBluePlates |
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Tweaking the v1 gain stage
Started by pbman1953 |
8 Replies
3076 Views |
February 19, 2024, 11:38:22 am by pbman1953 |
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Mesaboogie Mark III Simul-Class
Started by Leevi |
1 Replies
1802 Views |
February 19, 2024, 10:39:58 am by Leevi |
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Tore this apart
Started by proaudioguy |
2 Replies
1924 Views |
February 19, 2024, 03:27:09 am by WimWalther |
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2144 60/30
Started by TIMBO |
3 Replies
2235 Views |
February 17, 2024, 04:03:09 am by TIMBO |
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New to me Deluxe Reverb A1172
Started by proaudioguy |
33 Replies
6831 Views |
February 16, 2024, 09:42:38 am by 66Strat |
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Voltage doubler grounding
Started by isaac_teller |
6 Replies
2667 Views |
February 15, 2024, 04:24:50 pm by WimWalther |
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Dumble input jack wiring?
Started by idsnowdog |
4 Replies
2432 Views |
February 15, 2024, 11:03:52 am by idsnowdog |
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Adding a direct out to a DualLite amp
Started by Bash |
0 Replies
1717 Views |
February 15, 2024, 08:23:06 am by Bash |
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Grounding an aluminium chassis?
Started by Eythor |
5 Replies
3389 Views |
February 15, 2024, 05:27:35 am by tubeswell |
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Princeton Reverb Reissue Rebuild
Started by Jrusto |
2 Replies
2150 Views |
February 14, 2024, 07:28:40 pm by Jrusto |
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Hardware Mounting
Started by Nathan |
7 Replies
2917 Views |
February 14, 2024, 06:41:30 pm by WimWalther |
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Standby switch location
Started by tubenit |
7 Replies
2935 Views |
February 14, 2024, 11:35:26 am by tubenit |
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2 Replies
2115 Views |
February 14, 2024, 06:08:21 am by xochipelli |
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14 Replies
4170 Views |
February 14, 2024, 12:02:14 am by sluckey |
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Kalamazoo to Marshall Mod
Started by SteveInMN |
22 Replies
4392 Views |
February 13, 2024, 03:13:17 pm by PRR |
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Garnet Pro 200 power section oddness
Started by hiegdk |
7 Replies
2975 Views |
February 12, 2024, 11:58:29 pm by hiegdk |
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Princeton 6G2 from Hammond L-100 (A-043) chassis
Started by WimWalther « 1 2 3 » |
101 Replies
21036 Views |
February 12, 2024, 10:08:17 pm by WimWalther |
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Anode voltage power supply.
Started by slash1986 |
6 Replies
2691 Views |
February 11, 2024, 09:18:09 pm by WimWalther |
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PT wiring Hammond 270DAX
Started by tubenit |
6 Replies
3251 Views |
February 11, 2024, 02:28:50 pm by scstill |
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21 Replies
9172 Views |
February 10, 2024, 11:34:28 am by kagliostro |
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35 Watts from (2) 6BQ5 / EL84s ! How?
Started by Ronquest |
31 Replies
6764 Views |
February 09, 2024, 07:26:29 pm by PRR |
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Hiwatt style wiring
Started by hiegdk |
13 Replies
4763 Views |
February 08, 2024, 07:40:09 pm by hiegdk |
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Treble Boost Circuit
Started by clyde |
1 Replies
2208 Views |
February 08, 2024, 03:55:01 pm by AlNewman |
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Tremolo questions
Started by ALBATROS1234 |
4 Replies
2593 Views |
February 08, 2024, 03:39:08 pm by Brownie |
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Deluxe Rivera mods
Started by joesatch |
4 Replies
4647 Views |
February 08, 2024, 12:47:36 pm by mresistor |
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Visual identification of tubes?
Started by hiegdk |
4 Replies
2606 Views |
February 08, 2024, 02:04:45 am by tubeswell |
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24 Replies
5602 Views |
February 07, 2024, 07:53:53 pm by Locrian99 |
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Hoffman 2-6V6 30W schematic out there?
Started by tdvt |
12 Replies
3883 Views |
February 07, 2024, 12:41:21 pm by tdvt |
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73 Replies
15222 Views |
February 07, 2024, 08:43:28 am by Bash |
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Adding 5879 to SE - help with low voltages
Started by Jonas |
8 Replies
3223 Views |
February 06, 2024, 11:44:39 pm by PRR |
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New Oscilloscope - Looking for advice
Started by Jonas |
13 Replies
4616 Views |
February 06, 2024, 10:36:16 pm by Jonas |
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223 Replies
98813 Views |
February 06, 2024, 02:12:25 pm by Tone Junkie |
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How to filter diode buzz from amp?
Started by proaudioguy |
24 Replies
6403 Views |
February 05, 2024, 10:15:40 pm by proaudioguy |
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Pro Jr ON LED question - Amp noise
Started by proaudioguy |
14 Replies
4192 Views |
February 05, 2024, 11:51:48 am by proaudioguy |
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Tone stack loading question
Started by Lectroid |
13 Replies
4345 Views |
February 05, 2024, 09:56:37 am by Lectroid |
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Hoffman 5E3 + choke
Started by idsnowdog |
7 Replies
3188 Views |
February 05, 2024, 07:34:20 am by idsnowdog |
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7 Replies
2959 Views |
February 04, 2024, 11:19:57 am by Williamblake |
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AA1164 Blackface Princeton Reverb?
Started by WimWalther |
20 Replies
5427 Views |
February 04, 2024, 07:07:08 am by WimWalther |
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9 Replies
3556 Views |
February 03, 2024, 01:19:59 pm by 66Strat |
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3 Replies
2277 Views |
February 03, 2024, 07:42:14 am by MDRockman62 |
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22 Replies
5278 Views |
February 02, 2024, 01:12:05 pm by tubeswell |
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