Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 04:00:22 pm | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| passaloutre, Glenn, dogburn and 96 Guests are viewing this board. | ||||
|
|
Long tail phase inverter "scaling"
Started by PlumMojo |
1 Replies
2892 Views |
by PRR |
|
|
Please give your contribute - add a tube to this list
Started by kagliostro « 1 2 » |
97 Replies
40843 Views |
by PlumMojo |
|
|
Selecting output transformers
Started by Heavenamps |
1 Replies
3524 Views |
by PRR |
|
|
EL84 short
Started by Heavenamps |
7 Replies
4542 Views |
by Heavenamps |
|
|
Board drilling
Started by labb |
15 Replies
5503 Views |
by shooter |
|
|
3 Replies
3832 Views |
by 92Volts |
|
|
|
2 Replies
3029 Views |
by leevc5 |
|
|
|
Troubleshooting first build.
Started by Tapsnap |
16 Replies
6081 Views |
by Willabe |
|
|
12 Replies
5005 Views |
by kagliostro |
|
|
|
PPIMV - why not standard on all PP amps?
Started by dennyg |
12 Replies
6432 Views |
by jojokeo |
|
|
MOVED: Hi everyone
Started by tubenit |
0 Replies
2487 Views |
by tubenit |
|
|
2 Replies
3739 Views |
by Leevi |
|
|
|
Rickenbacher lunchpail amp circa 1934
Started by terminalgs |
1 Replies
3072 Views |
by PRR |
|
|
Epi VJ with dyslexia
Started by super&plexi |
7 Replies
3734 Views |
by brewdude |
|
|
lead free Solder and Rohs
Started by capmando |
15 Replies
6971 Views |
by murrayatuptown |
|
|
Adding reverb
Started by davidwpack |
6 Replies
4119 Views |
by DummyLoad |
|
|
20 Replies
8516 Views |
by alange5 |
|
|
|
6 Replies
4972 Views |
by sluckey |
|
|
|
5e5a help!
Started by etneccas |
21 Replies
6816 Views |
by etneccas |
|
|
Does this work?
Started by Leevi |
5 Replies
3597 Views |
by Leevi |
|
|
2 Replies
2600 Views |
by ManisMan |
|
|
|
Sorting EL34 plate voltage
Started by TheKT88KilledJFK |
4 Replies
5640 Views |
by TheKT88KilledJFK |
|
|
Capacitance of switches
Started by 92Volts |
6 Replies
3697 Views |
by 92Volts |
|
|
16 Replies
5861 Views |
by shooter |
|
|
|
17 Replies
7565 Views |
by tubeswell |
|
|
|
Hiwatt HG50C channels volume difference
Started by nomorers |
6 Replies
3607 Views |
by shooter |
|
|
23 Replies
7470 Views |
by ManisMan |
|
|
|
70 Replies
17923 Views |
by sluckey |
|
|
|
Adhesive on tube glass, bad?
Started by uki |
13 Replies
5620 Views |
by Willabe |
|
|
4 Replies
3177 Views |
by DummyLoad |
|
|
|
Sizing & Spec'ing Transformers
Started by BlackCrowe604 |
12 Replies
7622 Views |
by tubeswell |
|
|
Center-tapped winding current ratings?
Started by 92Volts |
17 Replies
9556 Views |
by jjasilli |
|
|
6 Replies
4893 Views |
by punkykatt |
|
|
|
tweed pro re-cap
Started by J Rindt |
6 Replies
3500 Views |
by PRR |
|
|
Preamp only AB763 single channel
Started by Willisamps |
3 Replies
4073 Views |
by drew |
|
|
Power cord strain relief bushing too small
Started by bnwitt |
11 Replies
6875 Views |
by PRR |
|
|
48 Replies
11120 Views |
by Auke Jolman |
|
|
|
15 Replies
6194 Views |
by pompeiisneaks |
|
|
|
Re:globeking 100a
Started by Noclue |
2 Replies
3679 Views |
by Noclue |
|
|
12 Replies
7210 Views |
by BlackCrowe604 |
|
|
|
output transformer impedance question
Started by Tapsnap |
34 Replies
15137 Views |
by Tapsnap |
|
|
Haynes Jazz King II
Started by plexi50 |
19 Replies
13196 Views |
by rml714 |
|
|
High-voltage power connectors
Started by 92Volts |
7 Replies
4187 Views |
by bnwitt |
|
|
5 Replies
3763 Views |
by sluckey |
|
|
|
5 Replies
3740 Views |
by jojokeo |
|
|
|
parallel speaker outs wiring
Started by dennyg |
0 Replies
2753 Views |
by dennyg |
|
|
3 Replies
3275 Views |
by sluckey |
|
|
|
27 Replies
23426 Views |
by PRR |
|
|
|
Power Reduction Circuit Opinions
Started by c.stoffel |
11 Replies
7733 Views |
by PRR |
|
|
5 Replies
3700 Views |
by PRR |
|
Normal Topic
Hot Topic (More than 25 replies)
Very Hot Topic (More than 50 replies)
Locked Topic
Sticky Topic
Poll
| Choose a link from the Hoffman Amplifiers parts catalog |
||
|
Mobile Device Catalog Link |
Yard Sale Discontinued |
Misc. Hardware |
| What's New |
Board Building Parts |
Amp trim Handles |
|
Lamps Diodes |
Hoffman Turret Boards |
Channel Switching |
| Resistors |
Fender Eyelet Boards |
Screws/Nuts Washers |
|
Jacks/Plugs Connectors |
Misc Eyelet Boards |
Tools |
| Capacitors |
Custom Boards |
Tubes Valves |
|
Pots Knobs |
Fuses/Cords |
Chassis |
|
Tube Sockets |
Switches |
Wire Cable |