Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 09:06:43 am | ||
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any Boogie connections?
Started by jerrydyer |
0 Replies
2167 Views |
by jerrydyer |
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Groove tube chassis?
Started by jerrydyer |
3 Replies
2444 Views |
by jerrydyer |
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New BFPR build..and Thank You!!
Started by Deric |
8 Replies
3745 Views |
by drumslinger2000 |
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ampeg b12xt driving me crazy
Started by unclerny |
9 Replies
6273 Views |
by PRR |
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Fender Twin Pro 100 Biasing...
Started by mrr3000gt |
4 Replies
3050 Views |
by mrr3000gt |
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bad oscillation
Started by Leevi |
20 Replies
8515 Views |
by phsyconoodler |
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3 Replies
3207 Views |
by 38Super |
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The "Double C" amp (new build)
Started by tubenit |
8 Replies
4611 Views |
by Tone Junkie |
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20 Replies
8624 Views |
by Willabe |
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Noise with new power transformer.
Started by chocopower |
5 Replies
3595 Views |
by chocopower |
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Ground lift
Started by jeff |
15 Replies
9909 Views |
by LooseChange |
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Tweed BluezMeister Parts list & BOM
Started by tubenit |
6 Replies
4132 Views |
by drumslinger2000 |
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PT or OT ?
Started by crashtm1 |
10 Replies
4915 Views |
by foghornleghorn |
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VVR for 50W amp
Started by Leevi |
6 Replies
4170 Views |
by kagliostro |
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Isolation transformer
Started by jeff |
8 Replies
5086 Views |
by Packerswin14 |
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Wireless guitar systems and tube amps
Started by Leevi |
5 Replies
4538 Views |
by samato |
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Screen resistor values?
Started by firemedic |
5 Replies
4690 Views |
by firemedic |
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New Project Ideas?
Started by ncusack |
4 Replies
3309 Views |
by phsyconoodler |
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Bill of Materials / parts lists
Started by simonallaway |
17 Replies
7286 Views |
by ckilgore |
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Junk Bin Tube Amp.
Started by DummyLoad |
10 Replies
5003 Views |
by jojokeo |
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AA165 circuit in a 5F6A chassis?
Started by Madison |
4 Replies
2974 Views |
by phsyconoodler |
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Anyone try polystyrene caps?
Started by dwp |
13 Replies
8951 Views |
by jojokeo |
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Vibrolux and twin reverb
Started by guitarhvac |
6 Replies
3907 Views |
by guitarhvac |
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23 Replies
15909 Views |
by HotBluePlates |
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3 Replies
4691 Views |
by navdave |
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33 Replies
15376 Views |
by Tone Junkie |
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Cathode Bias AB763?
Started by duke of earl |
7 Replies
5925 Views |
by chocopower |
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P600D Diodes
Started by plexi50 |
6 Replies
4315 Views |
by plexi50 |
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Fun weekend project - Tiny Giant
Started by jojokeo |
22 Replies
12382 Views |
by kagliostro |
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High voltages in Traynor Bassmaster
Started by Cups |
6 Replies
4138 Views |
by Cups |
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19 Replies
12385 Views |
by jjasilli |
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pots and input jack pictures question
Started by bakerlite |
10 Replies
5817 Views |
by sluckey |
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EL34 plate voltage
Started by Tone Junkie |
5 Replies
5724 Views |
by Tone Junkie |
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Need Peavey Classic 75 schematic
Started by markmalin |
2 Replies
3516 Views |
by markmalin |
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TOS Layout for review
Started by SLW |
7 Replies
4083 Views |
by kagliostro |
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What PI is this ?
Started by Mats |
5 Replies
2954 Views |
by Mats |
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2 Replies
2795 Views |
by Platefire |
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To choke or not to choke
Started by duke of earl |
13 Replies
22038 Views |
by duke of earl |
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Strange noise in Sunn amp
Started by SoundmasterG |
11 Replies
5736 Views |
by SoundmasterG |
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Marshall 18 Watt Lite
Started by sluckey |
13 Replies
6041 Views |
by RicharD |
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A yellow Deluxe gets done
Started by LooseChange |
17 Replies
5847 Views |
by HoodratShinobi88 |
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cathode bias question
Started by blues man |
5 Replies
4140 Views |
by jojokeo |
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JJ EL84s
Started by tubesornothing |
5 Replies
3877 Views |
by jeff |
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help identifying mystery amp
Started by elmore_lewis |
14 Replies
4928 Views |
by elmore_lewis |
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Problem with vibrolux bias
Started by guitarhvac |
8 Replies
5137 Views |
by sluckey |
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29 Replies
9867 Views |
by bakerlite |
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LongTail Pair Phase Inverter
Started by Jack1962 |
3 Replies
3023 Views |
by Jack1962 |
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18 Watt Lite iib phasing issue help?
Started by ncusack |
1 Replies
3424 Views |
by OldHouseScott |
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cathode biased Princeton Reverb trem ?
Started by worth |
13 Replies
8048 Views |
by Fresh_Start |
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IEC Receptical cut in chassis Question
Started by Platefire |
24 Replies
11665 Views |
by Fresh_Start |
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