Adjustments, Maintenance & Calibration

Topic / Topic starter Repliessort descending Last post
Normal topic How to replace neon BULB?
by wordsandsigns » Sat, 05/09/2020 - 00:26
5
by wordsandsigns
Tue, 06/02/2020 - 13:05
Normal topic Hd130 anyone know its width? Fit in a fender deluxe cab?
by Indicafilms » Sun, 06/09/2019 - 17:04
5
by bill_moore
Tue, 06/18/2019 - 13:54
Normal topic 60 cycle hummmmmmmmm
by Average Joe Strummer » Fri, 03/16/2018 - 04:39
5
by lmv
Sun, 03/18/2018 - 19:35
Normal topic Music man 210-65 with problem? Help!!!
by jacson.santana » Thu, 10/26/2017 - 16:59
5
by jacson.santana
Sat, 10/28/2017 - 07:13
Normal topic Replace Caps on 12AX7 in RD50?
by inertian » Sun, 01/11/2015 - 21:05
5
by inertian
Fri, 01/23/2015 - 09:37
Normal topic 210 HD Onethirty with weird Tube Sylvania ADB 936
by beggo » Tue, 06/21/2022 - 10:03
6
by beggo
Fri, 06/24/2022 - 00:15
Normal topic Biasing My HD 130 Bass head?
by Massbass50 » Mon, 06/16/2014 - 07:34
7
by mm210
Wed, 06/18/2014 - 12:23
Normal topic Intermittent Static on 212 HD 130
by greatlakesurf » Fri, 02/28/2020 - 21:40
7
by greatlakesurf
Wed, 03/04/2020 - 15:12
Normal topic Distortion Issue solved... I hope
by admin2 » Tue, 03/25/2014 - 09:29
7
by spangler41
Fri, 10/19/2018 - 17:02
Normal topic 112 RD65 bias issue after service
by BrookfieldTubeAudio » Mon, 11/21/2022 - 22:35
7
by BrookfieldTubeAudio
Sun, 12/25/2022 - 04:10
Normal topic Transistor Bias Calibration Music Man 212-75
by hossymandias » Wed, 06/25/2014 - 08:33
7
by mm210
Fri, 07/25/2014 - 14:20
Normal topic 112-65-RP Low pre-amp volume
by Mulmany » Sun, 03/08/2020 - 19:06
7
by Mulmany
Sat, 03/21/2020 - 08:15
Normal topic 5881 wxt versus 6l6gc in a MM HD 150 combo?
by woody96 » Thu, 09/03/2015 - 08:17
8
by woody96
Sat, 09/05/2015 - 19:51
Normal topic Strange "woofy" quality coming from amp/speaker
by YeOldeRocker » Wed, 09/12/2018 - 16:19
8
by YeOldeRocker
Mon, 09/17/2018 - 14:42
Normal topic Power Light
by admin2 » Tue, 03/25/2014 - 09:27
8
by mgriffin155
Thu, 04/09/2015 - 14:57
Normal topic 10K Dual Gang Volume Pot Inquiry
by Keithb7 » Sun, 08/27/2023 - 17:05
8
by direstrat
Sun, 10/01/2023 - 09:40
Normal topic ReBias??
by woody96 » Sat, 08/22/2015 - 08:32
8
by mgriffin155
Mon, 08/24/2015 - 17:26
Normal topic 410-65 With Several Issues
by dtgarfield » Sat, 09/01/2018 - 09:09
8
by Emtytler
Mon, 09/10/2018 - 19:15
Normal topic RD112 50 limiter channel "mushy".
by G Mac » Thu, 10/15/2015 - 14:13
8
by G Mac
Thu, 12/17/2015 - 16:07
Normal topic LM1458 operation, Safe or not? Unusal circuit.
This topic has been moved to "Urgent Requests for Help!" (View topic)
Normal topic 1978 HD130 Head just before changover new series
by pleiksnal » Wed, 09/10/2014 - 22:18
9
by lmv
Fri, 09/19/2014 - 05:39
Normal topic Recap/cleaning/update for RD50-112
by humblepie » Mon, 02/01/2016 - 14:19
10
by bill_moore
Thu, 02/18/2016 - 07:52
Normal topic LM307H OpAmps - Offshore Purchase
by codamedia » Tue, 08/19/2014 - 07:20
10
by codamedia
Wed, 09/03/2014 - 11:27
Normal topic 74 130 vibrating PT
by Luthier Vandros » Mon, 03/09/2020 - 00:14
10
by Luthier Vandros
Wed, 03/18/2020 - 20:24
Normal topic Questions to 112 RD 65 from a newbie
by Tea Bag of Horror » Wed, 07/27/2022 - 11:13
10
by Tea Bag of Horror
Sun, 09/25/2022 - 07:44
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