Welcome To the Hoffman Amplifiers Forum
October 21, 2025, 04:00:36 pm
Welcome To the Hoffman Amplifiers ForumOctober 21, 2025, 04:00:36 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 3 Guests are viewing this board. | ||||
|
|
Westinghouse TV4A/U tube tester
Started by Beezerboy |
9 Replies
4542 Views |
March 31, 2021, 04:49:51 pmby Beezerboy |
|
|
|
Sluckey's Amp Cradle
Started by mk_716 |
11 Replies
6199 Views |
March 27, 2021, 03:16:42 am by Latole |
|
|
|
Variac purchase
Started by makjoh |
3 Replies
3098 Views |
March 26, 2021, 02:30:56 am by Latole |
|
|
|
Mini breadboard.
Started by pullshocks |
1 Replies
3204 Views |
March 22, 2021, 09:23:11 am by acheld |
|
|
|
Spectrum Analyzers
Started by sll |
0 Replies
2359 Views |
March 08, 2021, 09:32:06 pm by sll |
|
|
|
8 Replies
3581 Views |
February 26, 2021, 07:09:57 pm by martinomma |
|
|
|
|
New tool added.
Started by Mike_J |
0 Replies
2235 Views |
February 22, 2021, 08:14:22 am by Mike_J |
|
|
|
8 Replies
3968 Views |
February 14, 2021, 01:10:12 am by thetragichero |
|
|
|
|
DIY Emission Tube Tester
Started by francisco |
11 Replies
11931 Views |
February 08, 2021, 11:20:58 am by slowboy2012 |
|
|
|
3 Replies
3211 Views |
February 08, 2021, 07:21:11 am by EL34 |
|
|
|
|
6 Replies
3424 Views |
February 06, 2021, 06:44:52 pm by sluckey |
|
|
|
|
Capacitor meter kit .sparkfun..be a geek
Started by Tom_Hull |
2 Replies
2670 Views |
February 03, 2021, 02:36:24 pm by Eulipian |
|
|
82 Replies
26855 Views |
January 02, 2021, 07:27:24 pm by shooter |
|
|
|
|
Anti-vibration mounting do it yourself
Started by kagliostro |
13 Replies
5466 Views |
December 25, 2020, 03:21:14 pm by DummyLoad |
|
|
Free stuff from uncle
Started by Bieworm |
27 Replies
8765 Views |
December 23, 2020, 12:15:02 pm by PRR |
|
|
|
How to find max peak plate voltage?
Started by Miyagi_83 |
8 Replies
4534 Views |
December 17, 2020, 10:52:43 am by Miyagi_83 |
|
|
|
Variac Question
Started by Jatchley |
4 Replies
3251 Views |
December 10, 2020, 09:16:23 am by sluckey |
|
|
|
6 Replies
6661 Views |
December 02, 2020, 11:13:53 am by sluckey |
|
|
|
|
Isolation transformer question
Started by yorgle |
1 Replies
2900 Views |
November 24, 2020, 10:10:52 am by sluckey |
|
|
|
10 Replies
4419 Views |
November 23, 2020, 10:12:05 am by DummyLoad |
|
|
|
|
Solder Sucker vs Wick on 3DPT PCB
Started by jordan86 |
10 Replies
5016 Views |
November 19, 2020, 09:15:29 am by Willabe |
|
|
|
1 Replies
2535 Views |
November 15, 2020, 07:02:22 am by EL34 |
|
|
|
|
7 Replies
3756 Views |
October 30, 2020, 12:17:58 pm by Sansteeth |
|
|
|
|
IEC punch
Started by Sonny ReVerb |
6 Replies
11875 Views |
October 12, 2020, 08:10:08 pm by DummyLoad |
|
|
|
BF Deluxe Transformers
Started by jordan86 |
8 Replies
4258 Views |
October 05, 2020, 10:53:18 pm by HotBluePlates |
|
|
|
8 Replies
7198 Views |
October 02, 2020, 02:12:42 pm by PRR |
|
|
|
|
Voltages on vintage tube amps
Started by VintageAmps |
4 Replies
3229 Views |
September 26, 2020, 05:33:56 am by Latole |
|
|
|
Mystery variac wiring
Started by Joe P |
7 Replies
4859 Views |
September 11, 2020, 05:14:41 pm by Williamblake |
|
|
|
Redneck signal generator
Started by mresistor |
6 Replies
3951 Views |
September 11, 2020, 01:50:11 am by DummyLoad |
|
|
|
Hickok Tester Help needed
Started by shaun |
11 Replies
4774 Views |
September 08, 2020, 04:20:50 pm by shaun |
|
|
|
DIY Tube tester by Grant Willis
Started by rayandkerry |
11 Replies
16000 Views |
August 22, 2020, 08:49:11 pm by HotBluePlates |
|
|
|
23 Replies
18224 Views |
August 22, 2020, 12:19:00 pm by HotBluePlates |
|
|
|
|
Advice on using a GM tube tester
Started by mrr3000gt |
12 Replies
7604 Views |
August 22, 2020, 09:36:31 am by HotBluePlates |
|
|
|
Adjustable bias range?
Started by hcorneli |
20 Replies
8180 Views |
August 21, 2020, 06:59:26 pm by HotBluePlates |
|
|
|
Free Ampeg screws
Started by luthierwnc |
0 Replies
2387 Views |
August 15, 2020, 11:42:47 am by luthierwnc |
|
|
|
PCB Repair Methods/Tips
Started by jordan86 |
8 Replies
3775 Views |
August 09, 2020, 06:28:42 am by John |
|
|
|
Ammeter in conjunction with variac
Started by capn_starsky |
8 Replies
4995 Views |
June 28, 2020, 07:26:46 pm by Soulfetish |
|
|
|
5 Replies
3909 Views |
June 18, 2020, 01:36:03 pm by PRR |
|
|
|
|
Importance of Voltage Drop?
Started by jordan86 |
6 Replies
4859 Views |
June 10, 2020, 07:23:00 pm by sluckey |
|
|
|
5 Replies
3221 Views |
May 31, 2020, 01:53:17 pm by Crestone |
|
|
|
|
45 Replies
21572 Views |
May 22, 2020, 10:13:17 am by Sonny ReVerb |
|
|
|
|
Light bulb limiter behavior
Started by jordan86 |
16 Replies
12030 Views |
May 12, 2020, 08:47:22 am by Latole |
|
|
|
0 Replies
2269 Views |
April 24, 2020, 05:17:48 am by kagliostro |
|
|
|
|
De soldering tool
Started by Willabe |
4 Replies
3215 Views |
April 15, 2020, 06:24:47 pm by shooter |
|
|
|
issues with meter
Started by dude |
9 Replies
4401 Views |
March 26, 2020, 05:43:47 am by Latole |
|
|
|
Drilling through eyelet boards
Started by lljsullins |
5 Replies
3643 Views |
March 22, 2020, 11:24:42 pm by Soulfetish |
|
|
|
My dump load
Started by pc1093 |
0 Replies
2520 Views |
March 22, 2020, 08:21:54 am by pc1093 |
|
|
|
1 Replies
2655 Views |
March 21, 2020, 12:54:18 am by nandrewjackson |
|
|
|
|
Fixing a dirty soldering tip...?
Started by dude |
6 Replies
5435 Views |
March 17, 2020, 10:07:58 am by kagliostro |
|
|
|
Voltage Divider for Oscilloscopes
Started by StevenPituch |
19 Replies
8153 Views |
March 14, 2020, 10:30:59 am by shooter |
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 |