Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 08:54:16 pm | ||
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| rafe and 41 Guests are viewing this board. | ||||
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3 Replies
5148 Views |
by navdave |
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33 Replies
16328 Views |
by Tone Junkie |
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Cathode Bias AB763?
Started by duke of earl |
7 Replies
6349 Views |
by chocopower |
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P600D Diodes
Started by plexi50 |
6 Replies
4702 Views |
by plexi50 |
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Fun weekend project - Tiny Giant
Started by jojokeo |
22 Replies
13091 Views |
by kagliostro |
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High voltages in Traynor Bassmaster
Started by Cups |
6 Replies
4577 Views |
by Cups |
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19 Replies
13122 Views |
by jjasilli |
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pots and input jack pictures question
Started by bakerlite |
10 Replies
6281 Views |
by sluckey |
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EL34 plate voltage
Started by Tone Junkie |
5 Replies
6095 Views |
by Tone Junkie |
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Need Peavey Classic 75 schematic
Started by markmalin |
2 Replies
3886 Views |
by markmalin |
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TOS Layout for review
Started by SLW |
7 Replies
4502 Views |
by kagliostro |
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What PI is this ?
Started by Mats |
5 Replies
3253 Views |
by Mats |
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2 Replies
3126 Views |
by Platefire |
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To choke or not to choke
Started by duke of earl |
13 Replies
22672 Views |
by duke of earl |
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Strange noise in Sunn amp
Started by SoundmasterG |
11 Replies
6254 Views |
by SoundmasterG |
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Marshall 18 Watt Lite
Started by sluckey |
13 Replies
6441 Views |
by RicharD |
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A yellow Deluxe gets done
Started by LooseChange |
17 Replies
6238 Views |
by HoodratShinobi88 |
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cathode bias question
Started by blues man |
5 Replies
4515 Views |
by jojokeo |
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JJ EL84s
Started by tubesornothing |
5 Replies
4361 Views |
by jeff |
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help identifying mystery amp
Started by elmore_lewis |
14 Replies
5333 Views |
by elmore_lewis |
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Problem with vibrolux bias
Started by guitarhvac |
8 Replies
5539 Views |
by sluckey |
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29 Replies
10694 Views |
by bakerlite |
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LongTail Pair Phase Inverter
Started by Jack1962 |
3 Replies
3380 Views |
by Jack1962 |
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18 Watt Lite iib phasing issue help?
Started by ncusack |
1 Replies
3792 Views |
by OldHouseScott |
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cathode biased Princeton Reverb trem ?
Started by worth |
13 Replies
8562 Views |
by Fresh_Start |
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IEC Receptical cut in chassis Question
Started by Platefire |
24 Replies
12311 Views |
by Fresh_Start |
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24 Replies
9482 Views |
by coreythompsonhm |
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Simple tonestack question
Started by firemedic |
26 Replies
9784 Views |
by firemedic |
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7 Replies
6459 Views |
by silverface |
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Bias Vary Trem, Cathode Biased Amp
Started by Boots Deville |
6 Replies
7036 Views |
by Boots Deville |
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Screen resistor values
Started by firemedic |
9 Replies
13171 Views |
by PRR |
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12v Heaters - 6V6's in series?
Started by LooseChange |
5 Replies
4744 Views |
by PRR |
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How to troubleshoot an amp before buying
Started by samato |
19 Replies
7379 Views |
by rafe |
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5F6-a Build Help
Started by Bassman720 |
3 Replies
3672 Views |
by bluesbear |
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Airline Reverb Unit schematic??
Started by LooseChange |
8 Replies
5599 Views |
by PRR |
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48 Replies
20539 Views |
by Ritchie200 |
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OT for 6aq5
Started by Tone Junkie |
2 Replies
2711 Views |
by Tone Junkie |
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Twin Reverb bias balance to bias adjust questions
Started by chuggy |
3 Replies
3820 Views |
by sluckey |
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2 Replies
4249 Views |
by tubeswell |
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AB763 Tremolo question
Started by G._Hoffman |
2 Replies
2720 Views |
by G._Hoffman |
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AC30 + (one tube) REVERB
Started by bakerlite |
11 Replies
6991 Views |
by tubenit |
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AB763 in a box?
Started by Searing |
6 Replies
4404 Views |
by thermion |
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Got my bluesmiester up and running
Started by Tone Junkie |
5 Replies
3677 Views |
by Tone Junkie |
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10 Replies
6740 Views |
by Frankenamp |
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3 Replies
2923 Views |
by sluckey |
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beeboppin' Bogen MX30a fuzzin out.......
Started by LaszloS |
3 Replies
4523 Views |
by LaszloS |
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looking for build idea.
Started by bakerlite |
11 Replies
6558 Views |
by bakerlite |
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Massive current draw
Started by firemedic |
8 Replies
4331 Views |
by firemedic |
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Power dissipated through switch
Started by Baguette |
10 Replies
6393 Views |
by Willabe |
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AC15 CC1 mods
Started by phsyconoodler |
4 Replies
6028 Views |
by jojokeo |
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