Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 11:05:45 am | ||
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Bias question
Started by SacDave |
11 Replies
3704 Views |
by PRR |
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27 Replies
7561 Views |
by rlh5599 |
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OT Position compromise
Started by dennyg |
1 Replies
2731 Views |
by PRR |
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100-200w Valve Junior
Started by WintersHarvest |
16 Replies
7877 Views |
by BetterOffShred |
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2 Replies
2595 Views |
by Planobilly |
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Single-Ended Plexi Build Help
Started by Big_Mike |
5 Replies
4847 Views |
by Big_Mike |
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A very peculiar thing...
Started by hesamadman |
8 Replies
3391 Views |
by 12AX7 |
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24 Replies
7911 Views |
by Bangy |
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Adding Reverb to Sluckey's AC15
Started by clyde |
4 Replies
3561 Views |
by pompeiisneaks |
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9 Replies
5385 Views |
by pbman1953 |
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Marshall JMP -78 Master model 100w Lead
Started by niilopi |
11 Replies
4992 Views |
by silverfox |
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11 Replies
4582 Views |
by kagliostro |
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2 Replies
2523 Views |
by Planobilly |
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Newbie Builder
Started by manofgod4life |
11 Replies
3922 Views |
by sluckey |
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High Voltage 6L6 SE
Started by TIMBO |
27 Replies
12207 Views |
by TIMBO |
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JCM800 Heater/Tube Issue
Started by dbray6714 |
9 Replies
3756 Views |
by sluckey |
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AB763 grounding question
Started by Planobilly |
3 Replies
2703 Views |
by Planobilly |
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8 Replies
3807 Views |
by Leevi |
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Single ended el34 amp
Started by fossilshark |
35 Replies
29813 Views |
by frankenxtein |
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Transformer voltage readings
Started by fossilshark |
2 Replies
2794 Views |
by Willabe |
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Tweed Super 5E4A tweaking
Started by SleepLess |
35 Replies
10989 Views |
by HotBluePlates |
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Amp for steel guitar
Started by Leevi |
28 Replies
8851 Views |
by Leevi |
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16 Replies
9321 Views |
by steelerfan88 |
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grid bias resistor value 6V6
Started by 12AX7 |
7 Replies
6918 Views |
by 12AX7 |
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Hi-fi amp to guitar amp
Started by fossilshark |
7 Replies
3959 Views |
by HotBluePlates |
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7 Replies
3247 Views |
by Bangy |
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7 Replies
3945 Views |
by shooter |
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Newbie Questions on 5F2A build
Started by Bangy |
14 Replies
4666 Views |
by shooter |
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Half power switch idea... crazy?
Started by jjjtttggg |
9 Replies
4253 Views |
by kagliostro |
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Princeton Reverb blowing fuses RESOLVED
Started by makingnoise88 « 1 2 3 » |
102 Replies
22886 Views |
by makingnoise88 |
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Boogie Lone Star issues. Advice needed!
Started by frpax |
5 Replies
4418 Views |
by frpax |
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heater schem question
Started by J Rindt |
11 Replies
3695 Views |
by J Rindt |
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2 Replies
2995 Views |
by Planobilly |
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Can i use 1R on el84 cathode same as 6V6 ?
Started by 12AX7 |
9 Replies
4670 Views |
by HotBluePlates |
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5 Replies
2979 Views |
by eleventeen |
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Tube pre amp into SS power section
Started by dunner84 |
2 Replies
2700 Views |
by MakerDP |
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12AX7 - 8 pin sub
Started by TIMBO |
42 Replies
10335 Views |
by tubenit |
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A Stronger One tube Reverb with a SF ?
Started by kagliostro |
13 Replies
7239 Views |
by kagliostro |
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Tube Rectifier Power Supply with No Load
Started by Zarrir |
2 Replies
2771 Views |
by Zarrir |
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Help please newbie builder alpha pots
Started by Bangy |
2 Replies
2852 Views |
by Bangy |
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12au7 heater problem
Started by fossilshark |
13 Replies
6161 Views |
by pompeiisneaks |
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9 Replies
4901 Views |
by goldstache |
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F&T wierdness
Started by 12AX7 |
9 Replies
4088 Views |
by 12AX7 |
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Low Powered Tweed Twin Issues - Help...
Started by p2pAmps |
13 Replies
5213 Views |
by p2pAmps |
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Newcomb P-10-A
Started by Blind Lemon |
10 Replies
5250 Views |
by eleventeen |
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Pp 6aq5 pt
Started by Scsoul |
8 Replies
4707 Views |
by Scsoul |
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5 Replies
3824 Views |
by Bangy |
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Hotrod Deluxe III Weak Clean Channel
Started by dpm309 |
5 Replies
2928 Views |
by dpm309 |
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JCM800 Preamp 6v6 Push Pull
Started by mwelch55 |
10 Replies
6059 Views |
by HotBluePlates |
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3 Replies
2499 Views |
by shooter |
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