Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 08:01:41 pm | ||
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5 Replies
4093 Views |
by Colas LeGrippa |
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Silver Jubilee
Started by jeff |
10 Replies
5778 Views |
by jeff |
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Regency Amp: moving the bass peak
Started by Tyrannocaster |
27 Replies
11637 Views |
by Tyrannocaster |
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Chassis heat?
Started by stratavox |
3 Replies
3666 Views |
by stratavox |
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2 Replies
5204 Views |
by Tyrannocaster |
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Cap on Standby switch
Started by fdesalvo |
26 Replies
16392 Views |
by Ritchie200 |
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5 Replies
5039 Views |
by Platefire |
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Sound with volume turned off
Started by musicfixerupper |
7 Replies
4801 Views |
by tubeswell |
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5 Replies
6335 Views |
by HotBluePlates |
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5879 CF vs paralleled 12A_7 CF
Started by tubenit |
5 Replies
4475 Views |
by Fresh_Start |
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1 Replies
3369 Views |
by FYL |
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Princeton Reverb Bias Circuit
Started by jim |
19 Replies
17480 Views |
by Fresh_Start |
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Goody Box / Capacitors
Started by plexi50 |
12 Replies
6088 Views |
by Willabe |
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3 Replies
3953 Views |
by plexi50 |
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what the hell? hot PT bolts? (solved)
Started by bakerlite |
21 Replies
9181 Views |
by plexi50 |
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12AX7 Micpreamp
Started by supro66 |
4 Replies
4706 Views |
by bakerlite |
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0 Replies
2976 Views |
by EL34 |
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4 Replies
3676 Views |
by Ed_Chambley |
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random voltage measuring question.
Started by bakerlite |
5 Replies
4742 Views |
by PRR |
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13 Replies
6045 Views |
by JayB |
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Shorted Tube Question
Started by Davidg |
8 Replies
4948 Views |
by Davidg |
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2 X paralleled power tubes SE
Started by Colas LeGrippa |
4 Replies
4425 Views |
by Colas LeGrippa |
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5150 III Volume Problem
Started by plexi50 |
22 Replies
10086 Views |
by plexi50 |
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6 Replies
4412 Views |
by Tone Junkie |
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Filament transformer current question
Started by six el six |
4 Replies
3719 Views |
by drgonzonm |
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Question about 12AX7 parallel - bias
Started by bluesbear |
15 Replies
11671 Views |
by sluckey |
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5F1 issue...
Started by SleepLess |
45 Replies
18302 Views |
by SleepLess |
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4 Replies
4930 Views |
by tubenit |
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Need four 6GW8/ECL86 tubes
Started by LooseChange |
8 Replies
12107 Views |
by zendragon63 |
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Diode Question
Started by Ed_Chambley |
1 Replies
3287 Views |
by HotBluePlates |
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12 Replies
8662 Views |
by mresistor |
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5 Replies
4338 Views |
by navdave |
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Hiwatt: What's V3B?
Started by jeff |
6 Replies
4160 Views |
by sluckey |
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"New" (old) amp design and tremolo
Started by Tyrannocaster |
17 Replies
9659 Views |
by HotBluePlates |
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Best output section for KT88 or 6550
Started by Tone Junkie |
3 Replies
3826 Views |
by andrew_k |
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Super Reverb BIAS issue
Started by Colas LeGrippa |
15 Replies
7144 Views |
by Colas LeGrippa |
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12 Replies
8650 Views |
by kagliostro |
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Anyone ever sell tubes to a reseller?
Started by Tsquared |
26 Replies
8995 Views |
by DummyLoad |
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6 Replies
5254 Views |
by HotBluePlates |
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How to relic solder joints?
Started by BigE |
9 Replies
6950 Views |
by HotBluePlates |
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5 Replies
3985 Views |
by John |
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0 Replies
3082 Views |
by Dynamo |
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20 Replies
8950 Views |
by TIMBO |
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TOS parts question
Started by daveyajd |
11 Replies
5666 Views |
by Willabe |
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Sluckey's dual preamp 2204?
Started by bnwitt |
17 Replies
8085 Views |
by sluckey |
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bogen ch30 hack.
Started by DummyLoad |
7 Replies
5827 Views |
by DummyLoad |
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Removing footswitch from circuit board
Started by John |
3 Replies
3799 Views |
by John |
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0 Replies
2978 Views |
by EL34 |
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MOVED: Custom Turret board drilling program
Started by EL34 |
0 Replies
3157 Views |
by EL34 |
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Guitar strings poll
Started by EL34 |
0 Replies
3760 Views |
by EL34 |
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