Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 04:44:14 pm | ||
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Traynor Studio Mate YGM-4 - Value?
Started by LooseChange |
3 Replies
4090 Views |
![]() by plexi50 |
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11 Replies
4882 Views |
![]() by John |
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PT idea, suggestion, question
Started by John |
3 Replies
2417 Views |
![]() by stratele52 |
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Marshall JCM 800 power transformer
Started by jeff |
3 Replies
4249 Views |
![]() by sluckey |
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Speed Pot for Hoffman AB763 ?
Started by mresistor |
5 Replies
2640 Views |
![]() by EL34 |
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oh lordy... another bogen CH30
Started by DummyLoad |
15 Replies
5976 Views |
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<<<solved>>>Red plating output section
Started by fdesalvo |
46 Replies
15878 Views |
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19 Replies
8956 Views |
![]() by six el six |
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JTM45 issue...
Started by SleepLess |
32 Replies
7972 Views |
![]() by stratele52 |
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20 Replies
12616 Views |
![]() by Tyrannocaster |
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smallest 12" combo?
Started by Quatro |
11 Replies
4137 Views |
![]() by Rev D |
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16 Replies
8634 Views |
![]() by frank57 |
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Buss grounding question (TOS build)
Started by daveyajd |
10 Replies
6143 Views |
![]() by Fresh_Start |
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1974 Champ strangely modified
Started by mresistor |
12 Replies
4091 Views |
![]() by darryl |
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5 Replies
2439 Views |
![]() by Colas LeGrippa |
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Silver Jubilee
Started by jeff |
10 Replies
3693 Views |
![]() by jeff |
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Regency Amp: moving the bass peak
Started by Tyrannocaster |
27 Replies
8117 Views |
![]() by Tyrannocaster |
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Chassis heat?
Started by stratavox |
3 Replies
2126 Views |
![]() by stratavox |
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2 Replies
3798 Views |
![]() by Tyrannocaster |
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Cap on Standby switch
Started by fdesalvo |
26 Replies
13316 Views |
![]() by Ritchie200 |
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5 Replies
3264 Views |
![]() by Platefire |
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Sound with volume turned off
Started by musicfixerupper |
7 Replies
2947 Views |
![]() by tubeswell |
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5 Replies
4561 Views |
![]() by HotBluePlates |
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5879 CF vs paralleled 12A_7 CF
Started by tubenit |
5 Replies
3150 Views |
![]() by Fresh_Start |
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1 Replies
2148 Views |
![]() by FYL |
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Princeton Reverb Bias Circuit
Started by jim |
19 Replies
15013 Views |
![]() by Fresh_Start |
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Goody Box / Capacitors
Started by plexi50 |
12 Replies
4210 Views |
![]() by Willabe |
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3 Replies
2570 Views |
![]() by plexi50 |
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what the hell? hot PT bolts? (solved)
Started by bakerlite |
21 Replies
5878 Views |
![]() by plexi50 |
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12AX7 Micpreamp
Started by supro66 |
4 Replies
3049 Views |
![]() by bakerlite |
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0 Replies
1628 Views |
![]() by EL34 |
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4 Replies
2163 Views |
![]() by Ed_Chambley |
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random voltage measuring question.
Started by bakerlite |
5 Replies
2802 Views |
![]() by PRR |
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13 Replies
4130 Views |
![]() by JayB |
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Shorted Tube Question
Started by Davidg |
8 Replies
3040 Views |
![]() by Davidg |
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2 X paralleled power tubes SE
Started by Colas LeGrippa |
4 Replies
2842 Views |
![]() by Colas LeGrippa |
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5150 III Volume Problem
Started by plexi50 |
22 Replies
7644 Views |
![]() by plexi50 |
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6 Replies
2719 Views |
![]() by Tone Junkie |
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Filament transformer current question
Started by six el six |
4 Replies
2184 Views |
![]() by drgonzonm |
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Question about 12AX7 parallel - bias
Started by bluesbear |
15 Replies
8680 Views |
![]() by sluckey |
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5F1 issue...
Started by SleepLess |
45 Replies
13255 Views |
![]() by SleepLess |
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4 Replies
3073 Views |
![]() by tubenit |
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Need four 6GW8/ECL86 tubes
Started by LooseChange |
8 Replies
10325 Views |
![]() by zendragon63 |
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Diode Question
Started by Ed_Chambley |
1 Replies
2085 Views |
![]() by HotBluePlates |
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12 Replies
5906 Views |
![]() by mresistor |
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5 Replies
2782 Views |
![]() by navdave |
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Hiwatt: What's V3B?
Started by jeff |
6 Replies
2792 Views |
![]() by sluckey |
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"New" (old) amp design and tremolo
Started by Tyrannocaster |
17 Replies
6859 Views |
![]() by HotBluePlates |
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Best output section for KT88 or 6550
Started by Tone Junkie |
3 Replies
2265 Views |
![]() by andrew_k |
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Super Reverb BIAS issue
Started by Colas LeGrippa |
15 Replies
4960 Views |
![]() by Colas LeGrippa |
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