Marshall® Potentiometers
("Pots")

We carry a complete selection of Marshall® Amplifier parts for both vintage and modern amps.

Back to Marshall® Amp Parts Index

Click on Type of Marshall® Pot:

Marshall® bias pots

Marshall® JCM800 pots for PC board mounting

Marshall® amps up until 1979 with solder lugs and set-screw knobs (also a few early JCM800)

Marshall® JCM900
and the early Valvestate Series 1 amps

Marshall® JCM2000 (DSL/TSL) and the later Valvestate Series 2 amps

Marshall® "G" series MG amps and the early 2000's MGxxDFX series (such as the G50RCD, and the MG100DFX)

The 2010 and later MG series amps (such as the MG100FX) with the large "MG" on the front faceplate





Click on photo for
larger view
POT, 22K VERTICAL LINEAR BIAS ADJUST POT FOR Marshall®
Used in many previous Marshall® models with PC board circuitry.  Mounted on the main PC board - used to set the bias on the output tubes.   Common failure item.  This is the original Marshall® part.   Body of pot is 15mm (about 5/8") in diameter.
Part #P-BPM-22KL-V
$2.95
 


Click on photo for
larger view
POT, 22K HORIZONTAL LINEAR BIAS ADJUST POT FOR Marshall®
Mounted on the main PC board or turret boards - used to set the bias on the output tubes.   Common failure item.   This is an alternate horizontal style - particularly useful in modifications, kit builds, etc.  Body of pot is 15mm (about 5/8") in diameter.
Part #P-BPM-22KL-H
$2.95  


Click on photo for
larger view
POT, ORIGINAL Marshall® , PC MOUNT, 24mm DIAMETER BODY, 9.5mm DIAMETER THREADED BUSHING. 
Used in many previous Marshall® models with PC board circuitry (such as the later JCM800 series).   Original Marshall replacement with 9.5mm diameter threaded bushing.  Diameter of the body of the pot is the size of a quarter (about 1 inch or 24mm).   Includes washer and two nuts.  Replacement nut is the JN-975.  Select Pot Value in Options
Part #P-VM24-XX
$5.95
 
Note - the B22K size is currently unavailable from Marshall.   Use the B22K in the P-VM24AP style pot below as an alternative.

Select Option:


Quantity:



Click on photo for
larger view
POT, AFTERMARKET Marshall® TYPE, PC MOUNT, 24mm DIAMETER BODY, 8mm DIAMETER THREADED BUSHING.
This is an alternative pot for 24mm Marshall pots - made by Alpha.  Smaller 8mm threaded bushing.   Diameter of the body of the pot is the size of a quarter.   This pot has a smaller diameter bushing than the original - however, unlike many other suppliers, we include all necessary washers (2) and nuts (3) to be a drop-in replacement for the original Marshall® pot.  Replacement nut is the JN-1016.  Select Pot Value in Options
Part #P-VM24AP
$4.95

Select Option:


Quantity:



Click on photo for
larger view
POT - CTS,  3/8" BUSHING
Top quality 24 mm carbon composition. 300° rotation. 1/2 watt, 500VDC rating. 1/4" diameter solid metal shaft, 3/8" bushing, solder lugs. Fits perfectly in vintage mps like Fender® (Tweed, Brownface, Blonde, original Blackface and original Silverface Models), all Marshalls up to 1979 and some of the JCM800 versions, vintage Vox, vintage Orange, vintage Hiwatt, vintage Boogie, Sound City and many more. With correct 1/4" shaft and 3/8" bushing. Superior quality, solderable back!    CTS was the original OEM supplier for vintage Fender® pots.  Select Pot Value in Options
INCLUDES NUT & WASHER  (For spare or replacement nut, order the JNUT-38 nut found in this section)
Part #P-VC-XX
Starting at $3.95
Select Option:


Quantity:


Click on photo for
larger view
POT NUT, METAL
Replacement metric nut for the Marshall® 24mm pots (P-Vxxxx-M24) which have brass colored threaded bushings.  9mm x .75.    These nuts typically fit the original pots used in vintage Marshalls.  They do not fit the newer Alpha replacement 24mm pots which have silver colored threaded bushings - for those pots, see the JN-1016 nut.

Part #JN-975
$0.49


Click on photo for
larger view
POT WASHER, METAL
Replacement metric washer for the Marshall® 24mm pots (P-Vxxxx-M24) which have brass colored threaded bushings.  9mm ID, 15mm OD.    These washers typically fit the original pots used in vintage Marshalls, and the original Marshall® replacement pots that we sell.  They do not fit 3/8" diameter pot bushings (such as pots in vintage Fender amps), or Switchcraft jacks.

Part #JW-9
$0.19


Click on photo for
larger view
POT NUT, METAL, 8MM
Replacement nut for the Fender® bracket mount pots with smooth 1/4" shafts (FPHD-xxxx), such as used on the Hot Rod Deluxe/Deville, Blues Deluxe/Deville.    Also fits the substitute replacement pots for Marshall® 24mm with silver-colored threaded bushings, our P-VA-XX pots, the P-8M-2X250KA and P-8M-2X1MA dual pots, and the P-V1MA-MV master volume with pull switch pot.
Part #JN-1016
$0.39  


Click on photo for
larger view
JACK NUT, METAL
Replacement nut for the Marshall® style 16mm pots (P-Vxxxx-M16, P-MGP-XXX and P-Vxxxx-M16S).
Part #JN-1018
$0.39  


Click on photo for
larger view
Complete Marshall® POT KIT, 8 SINGLE GANG POTS AND 1 DUAL GANG POT.   ORIGINAL Marshall® REPLACEMENT PARTS.   JCM900 2100/2500 SERIES (NOT SL-X).
Complete replacement pot kit for the Marshall® JCM900 amp models 2100, 2101, 2500, 2501 and 2502 with 8 pots on the front panel and 1 effects level pot on the rear panel.
NOT for the 2100SL-X, 2101SL-X, 2500SL-X, 2501SL-X or 2502SL-X - see the MPK-9 pot kit for those SL-X models

Part #MPK-1
$24.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 10 SINGLE GANG POTS AND 1 DUAL GANG POT.   ORIGINAL Marshall® REPLACEMENT PARTS.  JCM 900 4100/4500 SERIES.
Complete replacement pot kit for the Marshall® JCM900 amp models 4100, 4101, 4102, 4500, 4501 and 4502 Dual Reverb with 10 pots on the front panel and 1 effects level pot on the rear panel.
Part #MPK-2
$29.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 13 SINGLE GANG POTS.   ORIGINAL Marshall® REPLACEMENT PARTS.  VALVESTATE 8080/8100.
Complete replacement pot kit for the Marshall® Valvestate 80V Model 8080 combo and Valvestate 100V model 8100 head with 13 pots on the front panel.
Part #MPK-3
$31.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 13 SINGLE GANG POTS and 2 DUAL-GANG POTS.   ORIGINAL Marshall® REPLACEMENT PARTS.  VALVESTATE 8240.
Complete replacement pot kit for the Marshall® Valvestate S80 Model 8240 combo with 15 pots on the front panel.
Part #MPK-4
$39.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 15 SINGLE GANG POTS and 2 DUAL-GANG POTS.   ORIGINAL Marshall® REPLACEMENT PARTS.  VALVESTATE 8200/8280.
Complete replacement pot kit for the Marshall® Valvestate Bi-Chorus 200 Model 8200 head or the  Marshall® Valvestate Bi-Chorus 200 Model 8280 combo with 17 pots on the front panel.
Part #MPK-5
$44.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 8 SINGLE GANG POTS.  ORIGINAL Marshall® REPLACEMENT PARTS.  VALVESTATE 8020.
Complete replacement pot kit for the Marshall® Valvestate 20 Model 8020 combo with 8 pots on the front panel.
Part #MPK-6
$19.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 5 SINGLE GANG POTS.  ORIGINAL Marshall® REPLACEMENT PARTS.  VALVESTATE 8010.
Complete replacement pot kit for the Marshall® Valvestate 10 Model 8010 combo with 5 pots on the front panel.
Part #MPK-7
$12.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 10 SINGLE GANG POTS.  ORIGINAL Marshall® REPLACEMENT PARTS.   VALVESTATE 8040.
Complete replacement pot kit for the Marshall® Valvestate 40V Model 8040 combo with 10 pots on the front panel.
Part #MPK-8
$23.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 8 SINGLE GANG POTS AND 1 DUAL GANG POT.   ORIGINAL Marshall® REPLACEMENT PARTS.   JCM900 SL-X SERIES.
Complete replacement pot kit for the Marshall® JCM900 SL-X amp series, including the models 2100SL-X, 2101SL-X, 2500SL-X, 2501SL-X and 2502SL-X  with 8 pots on the front panel and 1 effects level pot on the rear panel.
Part #MPK-9
$24.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 17 SINGLE GANG POTS AND 1 DUAL GANG POT.   ORIGINAL Marshall® REPLACEMENT PARTS.  MARSHALL 30th ANNIVERSARY 6100/6101.
Complete replacement pot kit for the Marshall® 30th Anniversary 6100 head and 6101 combo amplifiers with 17 pots on the front panel and 1 effects level pot on the rear panel.
Part #MPK-10
$45.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 11 SINGLE GANG POTS AND 3 DUAL GANG POTS.   ORIGINAL Marshall® REPLACEMENT PARTS.  MARSHALL JTM60 AND JCM600 SERIES.
Complete replacement pot kit for the Marshall® JTM60 and JCM600 series amps, including the JTM600 head, the JTM610 3x10 combo, the JTM612 1x12 combo, the JCM600 head, the JCM601 1x12 combo, and the JCM602 2x12 combo.  13 pots on the front panel and 1 presence pot on the rear panel.
Part #MPK-11
$40.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 13 SINGLE GANG POTS AND 3 DUAL GANG POTS.  ORIGINAL Marshall® REPLACEMENT PARTS.  MARSHALL 9001 PREAMP.
Complete replacement pot kit for the Marshall® Model 9001 rack-mount preamp.  14 pots on the front panel, and 2 effects pots on the rear panel.
Part #MPK-13
$45.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 9 SINGLE GANG POTS AND 2 DUAL GANG POTS.  ORIGINAL Marshall® REPLACEMENT PARTS.  MARSHALL 9004 PREAMP.
Complete replacement pot kit for the Marshall® Model 9004 rack-mount preamp.  11 pots on the front panel.
Part #MPK-14
$31.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 8 SINGLE GANG POTS.  ORIGINAL Marshall® REPLACEMENT PARTS.  MARSHALL JTM-30 SERIES.
Complete replacement pot kit for the Marshall® JTM-30 series amps, including the JTM310 2x10 combo and the JTM312 1x12 combo. 8 pots on the front panel.
Part #MPK-12
$19.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 14 SINGLE GANG POTS AND 1 DUAL GANG POT.   ORIGINAL Marshall® REPLACEMENT PARTS -  MG100HDFX
Complete replacement pot kit for the Marshall® MG100HDFX head with 15 pots on the front panel. 
Part #MPK-17
$39.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 14 SINGLE GANG POTS AND 1 DUAL GANG POT.   ORIGINAL Marshall® REPLACEMENT PARTS -  MG100DFX COMBO (NOT THE MG100HDFX HEAD!)
Complete replacement pot kit for the Marshall® MG100DFX combo with 15 pots on the front panel. 
Part #MPK-18
$39.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 12 SINGLE GANG POTS AND 1 DUAL GANG POT.   ORIGINAL Marshall® REPLACEMENT PARTS -  MG250DFX COMBO
Complete replacement pot kit for the Marshall® MG250DFX combo with 13 pots on the front panel. 
Part #MPK-19
$36.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 17 POTS TOTAL.  ORIGINAL Marshall® REPLACEMENT PARTS.  Marshall® MODEL VS265.
Complete replacement pot kit for the Marshall® ValveState Model VS265.  17 pots on the front panel.
Part #MPK-20
$88.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 13 POTS TOTAL.  ORIGINAL Marshall® REPLACEMENT PARTS.  Marshall® MODEL MG50DFX.
Complete replacement pot kit for the Marshall® Model MG50DFX.  13 pots on the front panel.
Part #MPK-21
$39.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 13 POTS TOTAL.  ORIGINAL Marshall® REPLACEMENT PARTS.  Marshall® MODEL G100RCD.
Complete replacement pot kit for the Marshall® Model G100RCD.  13 pots on the front panel. 
Part #MPK-22
$35.95  


Click on photo for
larger view
POT, PC MOUNT, 16mm DIAMETER BODY, 7mm DIAMETER THREADED BUSHING.  ORIGINAL Marshall® REPLACEMENT PART.
Used in Marshall® Valvestate I, JCM900 and JCM600 Series. Used in Marshall® models: 8040, 8080, 8100, 8200, 8240, 8280, JCM900 Models: 2100, 2101, 2500, 2501, 4100, 4500, 4101, 4102, 4501, 4502, SL-X 2100, SL-X 2500, 6100, 6101, JTM600 and JTM30 Series.  Also used in other amps besides Marshall®.   Available values:  B4.7K, B10K, B22K, B50K, A100K, B100K, B220K, and A1M.   Select Pot Value in Options
INCLUDES NUT & WASHER  (For spare or replacement nut, order the JN-1018 nut found in this section)
Part #P-VM16-XX
$2.95

Select Option:


Quantity:


Click on photo for
larger view
POTENTIOMETER DUST CAP, for all 16mm (5/8") pots.   Slips over the case of the pot and helps keep out dust and contamination.  Made by Alpha.  Fits all 16mm potentiometers.   Sold in packs of 4.    Note:   For single-gang pots only - will not fit dual 16mm pots.
Part #PDC-160
$0.69
(For a pack of 4 dust caps)

Quantity:


Click on photo for
larger view
POT, 10K OHM X2 LINEAR DUAL, (B10K), PC MOUNT, 6 MOUNTING PINS, 16mm DIAMETER BODY, 7mm DIAMETER THREADED BUSHING.  ORIGINAL Marshall® REPLACEMENT PART.
Used in Marshall® Valvestate I, JCM900 and JCM600 Series. Also used in the JMP1 Preamp as Output Level Control.  Used in Marshall® models:   8200, 8240, 8280, JCM900 Models: 2100, 2101, 2500, 2501, 4100, 4500, 4101, 4102, 4501, 4502, SL-X 2100, SL-X 2500, JTM600 and JTM30 Series.  Diameter of the body of the pot is slightly smaller than a dime. 
Shaft length is 11.5mm.  Fits many other amps besides Marshall®.
INCLUDES NUT & WASHER  (For spare or replacement nut, order the JN-1018 nut found in this section)
Part #P-V10KLX2-M16
$6.95  


Click on photo for
larger view
POT, 100K OHM X2 REVERSE AUDIO DUAL, (C100K), PC MOUNT, 6 MOUNTING PINS, 16mm DIAMETER BODY, 7mm DIAMETER THREADED BUSHING.
Diameter of the body of the pot is slightly smaller than a dime. 
Shaft length is 11.5mm.  Fits many other amps besides Marshall®.
INCLUDES NUT & WASHER  (For spare or replacement nut, order the JN-1018 nut found in this section)
Part #P-V100KRAX2-M16
$6.95


Click on photo for
larger view
Complete Marshall® POT KIT, 11 POTS TOTAL.  ORIGINAL Marshall® REPLACEMENT PARTS.  MARSHALL VS65R.
Complete replacement pot kit for the Marshall® ValveState Model VS65R.  11 pots on the front panel.
Part #MPK-15
$62.95  


Click on photo for
larger view
Complete Marshall® POT KIT, 15 POTS TOTAL.  ORIGINAL Marshall® REPLACEMENT PARTS.  MARSHALL VS100 AND VS100R MODELS.
Complete replacement pot kit for the Marshall® ValveState Models VS100, VS100R, VS102R, VS100H or VS100RH.  15 pots on the front panel.
Part #MPK-16
$81.95  


Click on photo for
larger view
POT, 11mm, Marshall® TYPE, PC MOUNT.
Used in many later Marshall® models with PC board circuitry, including the JCM2000 series TSL100, DSL100, etc, as well as some of the late 90's ValveState models.   This pot has 4 pins.  Includes mounting nut.  Available values:  B5K, B10K, A10K, B20K, B50K, A100K, B100K, A200K, B200K, A500K, and A1M.   Select Pot Value in Options
Part #P-VKG-XX
$6.95

Select Option:


Quantity:


Click on photo for
larger view
POT, 10K LINEAR, 9mm, Genuine Marshall®, PC MOUNT.  LABELED "B10K", D-Shaft.
Used in the latest series of MG amplifiers - the ones with the large MG on the faceplate (see photo), such as the MG100FX.    Includes nut.  10K ohms, linear taper.   In the MG100FX, this pot is used in all control locations, all functions.   Original Marshall® part number M-POTP-91001.

Part #P-VMG-10KL
$8.95
 


Click on photo for
larger view
POT, PC MOUNT, MG SERIES, 16mm DIAMETER BODY, 7mm DIAMETER THREADED BUSHING, MEDIUM SHAFT, WITH DUST COVER.
Used in the Marshall® G10MKII, G10CD, G15RCD, G30RCD, G215RCD, G50RCD, G80RCD, G100RCD, B25, MG10CD, MG15CD, MG15CDR, MG15DFX, MG30DFX, MG50DFX, MG100DFX, MG250DFX, MG100HDFX.  Diameter of the body of the pot is slightly smaller than a dime.  Shaft length is 10mm.   Pot body encased in plastic dust cover for longer life.  Click on photo for more detail.     Download cross-reference guide for these pots.   Choose pot value in Options.
INCLUDES NUT & WASHER  (For spare or replacement nut, order the JN-1018 nut found in this section)
Part #P-MGP-XX
$3.95

Select Option:


Quantity:


Click on photo for
larger view
POT, DUAL 10K OHM LINEAR, (B10KX2), PC MOUNT, 16mm DIAMETER BODY, 7mm DIAMETER THREADED BUSHING, MEDIUM SHAFT.
Used in the Marshall® MG100HDFX (Loop Level), MG100DFX (Loop Level), MG250DFX (Master Volume).  Diameter of the body of the pot is slightly smaller than a dime.  Shaft length is 10mm.  Click on photo for more detail.  Replaces Marshall® part number POTP-90036.  Download cross-reference guide for these pots.
INCLUDES NUT & WASHER  (For spare or replacement nut, order the JN-1018 nut found in this section)
Part #P-MGP-10KBX2
$6.95  


Strat®, Stratocaster®, Esquire®, Telecaster®, Tele®, Jazzmaster®, Jaguar®, Mustang®, P.Bass®, J.Bass® and Fender® are registered trademarks of Fender® Musical Instruments. The replacement necks and bodies are for a Fender® or Squier® by Fender® guitar or bass. The distinctive headstock designs and the distinctive body designs of the Stratocaster®, Telecaster®, J.Bass®, P.Bass® and Tele® Bass are registered trademarks of Fender® Musical Instruments Co.  
Peavey® is a registered trademark of Peavey® Electronics Corporation.
Marshall® is a registered trademark of Marshall® Amplification Plc.
Mesa Boogie® is a registered trademark of MESA/Boogie® Ltd.
AmpRepairParts.com and Studio Sound Electronics are not affiliated with these companies.
All company names, logos and product names mentioned on these pages are trademarks of their respective owners.

Copyright ©2017 Studio Sound Electronics - All Rights Reserved
Not responsible for web site errors or omissions