Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 01:45:45 pm | ||
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Groove tube chassis?
Started by jerrydyer |
3 Replies
2077 Views |
![]() by jerrydyer |
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New BFPR build..and Thank You!!
Started by Deric |
8 Replies
3265 Views |
![]() by drumslinger2000 |
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ampeg b12xt driving me crazy
Started by unclerny |
9 Replies
5622 Views |
![]() by PRR |
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Fender Twin Pro 100 Biasing...
Started by mrr3000gt |
4 Replies
2580 Views |
![]() by mrr3000gt |
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bad oscillation
Started by Leevi |
20 Replies
7698 Views |
![]() by phsyconoodler |
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3 Replies
2656 Views |
![]() by 38Super |
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The "Double C" amp (new build)
Started by tubenit |
8 Replies
3969 Views |
![]() by Tone Junkie |
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20 Replies
7704 Views |
![]() by Willabe |
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Noise with new power transformer.
Started by chocopower |
5 Replies
3194 Views |
![]() by chocopower |
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Ground lift
Started by jeff |
15 Replies
8860 Views |
![]() by LooseChange |
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Tweed BluezMeister Parts list & BOM
Started by tubenit |
6 Replies
3548 Views |
![]() by drumslinger2000 |
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PT or OT ?
Started by crashtm1 |
10 Replies
4313 Views |
![]() by foghornleghorn |
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VVR for 50W amp
Started by Leevi |
6 Replies
3814 Views |
![]() by kagliostro |
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Isolation transformer
Started by jeff |
8 Replies
4361 Views |
![]() by Packerswin14 |
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Wireless guitar systems and tube amps
Started by Leevi |
5 Replies
3944 Views |
![]() by samato |
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Screen resistor values?
Started by firemedic |
5 Replies
4207 Views |
![]() by firemedic |
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New Project Ideas?
Started by ncusack |
4 Replies
2861 Views |
![]() by phsyconoodler |
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Bill of Materials / parts lists
Started by simonallaway |
17 Replies
6579 Views |
![]() by ckilgore |
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Junk Bin Tube Amp.
Started by DummyLoad |
10 Replies
4373 Views |
![]() by jojokeo |
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AA165 circuit in a 5F6A chassis?
Started by Madison |
4 Replies
2583 Views |
![]() by phsyconoodler |
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Anyone try polystyrene caps?
Started by dwp |
13 Replies
8330 Views |
![]() by jojokeo |
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Vibrolux and twin reverb
Started by guitarhvac |
6 Replies
3332 Views |
![]() by guitarhvac |
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23 Replies
14439 Views |
![]() by HotBluePlates |
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3 Replies
3971 Views |
![]() by navdave |
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33 Replies
13873 Views |
![]() by Tone Junkie |
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Cathode Bias AB763?
Started by duke of earl |
7 Replies
5442 Views |
![]() by chocopower |
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P600D Diodes
Started by plexi50 |
6 Replies
3810 Views |
![]() by plexi50 |
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Fun weekend project - Tiny Giant
Started by jojokeo |
22 Replies
11339 Views |
![]() by kagliostro |
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High voltages in Traynor Bassmaster
Started by Cups |
6 Replies
3585 Views |
![]() by Cups |
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19 Replies
11178 Views |
![]() by jjasilli |
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pots and input jack pictures question
Started by bakerlite |
10 Replies
5157 Views |
![]() by sluckey |
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EL34 plate voltage
Started by Tone Junkie |
5 Replies
5225 Views |
![]() by Tone Junkie |
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Need Peavey Classic 75 schematic
Started by markmalin |
2 Replies
3077 Views |
![]() by markmalin |
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TOS Layout for review
Started by SLW |
7 Replies
3424 Views |
![]() by kagliostro |
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What PI is this ?
Started by Mats |
5 Replies
2532 Views |
![]() by Mats |
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2 Replies
2327 Views |
![]() by Platefire |
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To choke or not to choke
Started by duke of earl |
13 Replies
21053 Views |
![]() by duke of earl |
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Strange noise in Sunn amp
Started by SoundmasterG |
11 Replies
4871 Views |
![]() by SoundmasterG |
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Marshall 18 Watt Lite
Started by sluckey |
13 Replies
5267 Views |
![]() by RicharD |
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A yellow Deluxe gets done
Started by LooseChange |
17 Replies
5182 Views |
![]() by HoodratShinobi88 |
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cathode bias question
Started by blues man |
5 Replies
3562 Views |
![]() by jojokeo |
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JJ EL84s
Started by tubesornothing |
5 Replies
3223 Views |
![]() by jeff |
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help identifying mystery amp
Started by elmore_lewis |
14 Replies
4257 Views |
![]() by elmore_lewis |
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Problem with vibrolux bias
Started by guitarhvac |
8 Replies
4543 Views |
![]() by sluckey |
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29 Replies
8609 Views |
![]() by bakerlite |
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LongTail Pair Phase Inverter
Started by Jack1962 |
3 Replies
2588 Views |
![]() by Jack1962 |
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18 Watt Lite iib phasing issue help?
Started by ncusack |
1 Replies
2945 Views |
![]() by OldHouseScott |
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cathode biased Princeton Reverb trem ?
Started by worth |
13 Replies
7270 Views |
![]() by Fresh_Start |
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IEC Receptical cut in chassis Question
Started by Platefire |
24 Replies
10578 Views |
![]() by Fresh_Start |
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24 Replies
7548 Views |
![]() by coreythompsonhm |
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