Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 03:02:44 pm | ||
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5E3 Pilot Lamp Grounding Q
Started by Rubrburnr |
5 Replies
3605 Views |
![]() by HotBluePlates |
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O-scope score!
Started by TubeGeek |
1 Replies
1711 Views |
![]() by kagliostro |
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5Y3 in PR?
Started by mresistor |
15 Replies
5367 Views |
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reverb kknob controlling Volume???
Started by Jimi113 |
6 Replies
2438 Views |
![]() by Jimi113 |
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MOVED: Rolls RP-93 looper
Started by Willabe |
0 Replies
1784 Views |
![]() by Willabe |
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16 Replies
4760 Views |
![]() by octavedave |
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Building around existing OT
Started by daveyajd |
2 Replies
2050 Views |
![]() by daveyajd |
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nagging thought
Started by shooter |
6 Replies
2534 Views |
![]() by shooter |
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the Sunn has set !
Started by billcreller |
11 Replies
4439 Views |
![]() by eleventeen |
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110 Replies
33880 Views |
![]() by rhodco |
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First post Auction Amp help
Started by okguitarman |
30 Replies
7700 Views |
![]() by shooter |
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Hoffman Tweed Princeton #001
Started by p2pAmps |
13 Replies
4581 Views |
![]() by EL34 |
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Need schematic for old Premier 71 Amp
Started by dude |
4 Replies
4658 Views |
![]() by dude |
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MusicMaster Bass Amp Power Supply
Started by swampwood |
5 Replies
2661 Views |
![]() by PRR |
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Choke Identification
Started by dpm309 |
2 Replies
2027 Views |
![]() by PRR |
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Uncle Doug's Supro project from scratch
Started by lego4040 |
2 Replies
3380 Views |
![]() by lego4040 |
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Marshall DSL 100w (Bad PT??)
Started by hesamadman |
11 Replies
3588 Views |
![]() by PRR |
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AFD100 help request
Started by fecska |
14 Replies
7167 Views |
![]() by John |
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21 Replies
7022 Views |
![]() by super&plexi |
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11 Replies
3798 Views |
![]() by Toxophilite |
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Somebody should buy this
Started by eleventeen |
4 Replies
2620 Views |
![]() by vibrolax |
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22 Replies
7961 Views |
![]() by TIMBO |
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5 Replies
3424 Views |
![]() by hardhead |
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Add reverb to Plexi
Started by basschops1528 |
11 Replies
6947 Views |
![]() by tubenit |
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10 Replies
4867 Views |
![]() by Mats |
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Low Budget Plexi Tone Suggestions
Started by HighFlyingV |
2 Replies
2270 Views |
![]() by HighFlyingV |
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Low voltage 5y3 tube
Started by 6v6Pin1 |
4 Replies
3158 Views |
![]() by octal |
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0 Replies
1849 Views |
![]() by HotBluePlates |
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23 Replies
6676 Views |
![]() by Toxophilite |
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Ready to put GA55V on Bread Board
Started by Willabe |
32 Replies
7591 Views |
![]() by Willabe |
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4 Replies
2259 Views |
![]() by shortfuse |
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Output grounding issue
Started by basschops1528 |
3 Replies
2072 Views |
![]() by HotBluePlates |
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Fire up
Started by basschops1528 |
10 Replies
3123 Views |
![]() by basschops1528 |
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D'Lator Build
Started by shortfuse |
11 Replies
5561 Views |
![]() by tubenit |
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8 Replies
3285 Views |
![]() by shortfuse |
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5e3 Voltage Question
Started by morton |
16 Replies
4677 Views |
![]() by Willabe |
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15 Replies
8846 Views |
![]() by labb |
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Cliff jacks vs. Mono for Inputs
Started by Commodore 64 |
1 Replies
2685 Views |
![]() by sluckey |
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5 Replies
5740 Views |
![]() by Baguette |
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VASE HYBRID 100
Started by TIMBO |
16 Replies
7927 Views |
![]() by TIMBO |
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2 Replies
2015 Views |
![]() by dunner84 |
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Concord Sound City Reverb Tank
Started by Mcgreen |
2 Replies
2018 Views |
![]() by Mcgreen |
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EL84 voltages
Started by 6v6Pin1 |
1 Replies
1689 Views |
![]() by PRR |
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Rusty Chassis
Started by HommeMarrBuckley |
4 Replies
2475 Views |
![]() by punkykatt |
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Power transformer- how hot is too hot?
Started by octal |
22 Replies
16920 Views |
![]() by lkrasner |
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Hoffman Princeton Reverb Build #002
Started by p2pAmps |
40 Replies
9391 Views |
![]() by Fresh_Start |
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Tubenit FX and Rev Unit
Started by daveyajd |
5 Replies
2828 Views |
![]() by tubenit |
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35 Replies
9095 Views |
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38 Replies
8420 Views |
![]() by pbman1953 |
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bias supply
Started by phsyconoodler |
11 Replies
5030 Views |
![]() by phsyconoodler |
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