Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 08:37:21 pm | ||
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12 Replies
4330 Views |
by shooter |
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4 Replies
4781 Views |
by Ed_Chambley |
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Voltage drop and compression
Started by Auke Jolman |
23 Replies
6063 Views |
by pompeiisneaks |
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Is it possible....
Started by 12AX7 |
3 Replies
4064 Views |
by 12AX7 |
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Power Supply Capacitors
Started by upnorth2 |
2 Replies
3413 Views |
by upnorth2 |
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peavey 6505+ head
Started by J Rindt |
4 Replies
4640 Views |
by shooter |
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15 Replies
8833 Views |
by tubenit |
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Grid Leak Resistors
Started by hesamadman |
7 Replies
13416 Views |
by jjasilli |
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Melvin Leibowitz EL84 HiFi?
Started by Zarrir |
4 Replies
4686 Views |
by jjasilli |
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circuit understanding?
Started by shooter |
15 Replies
5069 Views |
by shooter |
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Bias question
Started by SacDave |
11 Replies
4618 Views |
by PRR |
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27 Replies
8742 Views |
by rlh5599 |
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OT Position compromise
Started by dennyg |
1 Replies
3543 Views |
by PRR |
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100-200w Valve Junior
Started by WintersHarvest |
16 Replies
9299 Views |
by BetterOffShred |
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2 Replies
3362 Views |
by Planobilly |
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Single-Ended Plexi Build Help
Started by Big_Mike |
5 Replies
5763 Views |
by Big_Mike |
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A very peculiar thing...
Started by hesamadman |
8 Replies
4238 Views |
by 12AX7 |
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24 Replies
9384 Views |
by Bangy |
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Adding Reverb to Sluckey's AC15
Started by clyde |
4 Replies
4332 Views |
by pompeiisneaks |
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9 Replies
6340 Views |
by pbman1953 |
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Marshall JMP -78 Master model 100w Lead
Started by niilopi |
11 Replies
6081 Views |
by silverfox |
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11 Replies
5591 Views |
by kagliostro |
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2 Replies
3249 Views |
by Planobilly |
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Newbie Builder
Started by manofgod4life |
11 Replies
4818 Views |
by sluckey |
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High Voltage 6L6 SE
Started by TIMBO |
27 Replies
13842 Views |
by TIMBO |
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JCM800 Heater/Tube Issue
Started by dbray6714 |
9 Replies
4674 Views |
by sluckey |
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AB763 grounding question
Started by Planobilly |
3 Replies
3462 Views |
by Planobilly |
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8 Replies
4822 Views |
by Leevi |
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Single ended el34 amp
Started by fossilshark |
35 Replies
31553 Views |
by frankenxtein |
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Transformer voltage readings
Started by fossilshark |
2 Replies
3618 Views |
by Willabe |
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Tweed Super 5E4A tweaking
Started by SleepLess |
35 Replies
12690 Views |
by HotBluePlates |
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Amp for steel guitar
Started by Leevi |
28 Replies
10328 Views |
by Leevi |
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16 Replies
10556 Views |
by steelerfan88 |
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grid bias resistor value 6V6
Started by 12AX7 |
7 Replies
8077 Views |
by 12AX7 |
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Hi-fi amp to guitar amp
Started by fossilshark |
7 Replies
4909 Views |
by HotBluePlates |
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7 Replies
4099 Views |
by Bangy |
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7 Replies
4836 Views |
by shooter |
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Newbie Questions on 5F2A build
Started by Bangy |
14 Replies
5696 Views |
by shooter |
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Half power switch idea... crazy?
Started by jjjtttggg |
9 Replies
5272 Views |
by kagliostro |
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Princeton Reverb blowing fuses RESOLVED
Started by makingnoise88 « 1 2 3 » |
102 Replies
25755 Views |
by makingnoise88 |
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Boogie Lone Star issues. Advice needed!
Started by frpax |
5 Replies
5151 Views |
by frpax |
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heater schem question
Started by J Rindt |
11 Replies
4482 Views |
by J Rindt |
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2 Replies
4001 Views |
by Planobilly |
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Can i use 1R on el84 cathode same as 6V6 ?
Started by 12AX7 |
9 Replies
5790 Views |
by HotBluePlates |
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5 Replies
3768 Views |
by eleventeen |
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Tube pre amp into SS power section
Started by dunner84 |
2 Replies
3569 Views |
by MakerDP |
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12AX7 - 8 pin sub
Started by TIMBO |
42 Replies
11724 Views |
by tubenit |
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A Stronger One tube Reverb with a SF ?
Started by kagliostro |
13 Replies
8367 Views |
by kagliostro |
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Tube Rectifier Power Supply with No Load
Started by Zarrir |
2 Replies
3572 Views |
by Zarrir |
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Help please newbie builder alpha pots
Started by Bangy |
2 Replies
3501 Views |
by Bangy |
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