Axiom®, ToneClone®, Radiospares® & APS Series Transformers for Marshall & Marshall-style Amplifiers

5 Watt | 10 Watt | 15 Watt | 18 Watt | 20 Watt | 30 Watt | DSL-201 | DSL-401 | 45 Watt | 50 Watt | 60 Watt | 75 Watt | 100 Watt | 200 Watt | Misc. Marshall

Notes: For restorations of your original or vintage transformers please call us. See Mercury Vintage™.
For tier pricing information, please see the
Ordering Page.

Legend: OT = Output Transformer, PT = Power Transformer, C = Choke, RT = Reverb Transformer, PI = Phase Inverter, IS = Inter-Stage Transformer, F = Filament Transformer

ATTENTION NASHVILLE AMP OWNERS -- FREE MERCURY TRANSFORMER SERVICE -- CLICK HERE!

KIND TYPE PART NO. DESCRIPTION

PRICE

5 Watt

OUTPUT

OT MCL5-O Class 5 -- single 16Ω tap -- Drop-in Upgrade! 165.00

OT MCL5-OM Class 5 -- single 16Ω tap -- Upgrade! 220.00
POWER

PT MCL5-P Class 5 -- single 120V primary -- more iron! -- Drop-in Upgrade! 145.00

PT MCL5-PM Class 5 -- single 120V primary -- Upgrade! 200.00

10 Watt

OUTPUT

OT MAR10-O  Model 1930 -- Upgrade! 160.00
POWER

PT MAR10-P  Model 1930 -- Upgrade! 185.00

15 Watt

OUTPUT

OT MS15-O  Studio 15 -- Upgrade! 115.00
POWER

PT MSP-15  Studio 15 -- Upgrade! 105.00

18 Watt

OUTPUT

OT O18RS-L  Leads 250.00

OT MAR18-OT Current handwired edition -- 18 watt -- 4, 8 & 16Ω taps 185.00

OT O18RS-FS FatStack with leads 265.00

OT O18RS-SS With lead wires -- SuperStack (see FatStack) --
 grain-oriented soft iron laminations
295.00
POWER

PT P18RS    235.00

PT P18RS-SL  Leads with short stack 240.00

PT P18RS-M Lower B+ 250.00
CHOKE

C MC10H  10H -- 200mA 40.00

20 Watt

OUTPUT

OT O20JM-L Leads 160.00

OT MAR20-OT Larger 20 watt -- 4, 8 & 16Ω taps 190.00
POWER

PT P20JM  '60s -- solid state rectifier --
100V, 120V, 220V, 230V & 240V primary
185.00

PT MPRT-20 Reverb-Tremolo 140.00

PT MAR-20WP-LB+ '60s -- solid state rectifier -- 120V primary -- lower B+ voltage 185.00

PT MAR-20WPE/LB+ '60s -- solid state rectifier -- 220V & 240V primary -- lower B+ voltage 195.00

30 Watt

OUTPUT

OT JTM30-O 2.7, 8 & 16Ω taps -- Upgrade! 185.00

OT MAR30-O Artist (3203) upgrade -- 4 & 8Ω taps -- vertical mount
Marshall Artist 3203 Demo
175.00

OT MAR30-OM Artist (3203) upgrade -- 4, 8 & 16Ω taps -- vertical mount 185.00

OT MAR30-OS Upgrade! -- 2.6, 8 & 16Ω taps -- flat mount 185.00
POWER

PT MAR30-P  Drake -- #1961-112 / 7 185.00

PT P30JT  JTM 30 watt 185.00

DSL201

OUTPUT

OT M-DSL201-O Upgrade! 140.00
POWER

PT M-DSL201-P Upgrade! 190.00
CHOKE

C M-DSL201-C DSL201 -- 9H -- add this choke to your DSL201 for improved tonal richness 45.00

DSL401

OUTPUT

OT M-DSL401-O Upgrade! 185.00
POWER

PT M-DSL401-P Upgrade! 200.00
CHOKE

C M-DSL401-C Upgrade! 40.00

45 Watt

OUTPUT

OT O45JT  JTM45 -- 8 & 16Ω taps -- 100V secondary tap 235.00

OT O45JT-16  JTM45 -- 4, 8 & 16Ω taps 240.00

O45RS-L  JTM45 -- leads (endbells available in most colors, including original vintage) 260.00

OT O45RS-L-8 JTM45 -- leads -- 8k primary --
standard Radiospares secondary
275.00

OT O45RS-L-8-M JTM45 -- 3.4K & 6.6K primary -- 8Ω tap 275.00
OT O45RS-L-16  JTM45 -- leads -- 3.4k, 6.6k, 8k primary --
16Ω tap
280.00

OT O45RS-L-16-M JTM45 -- 3.4K & 6.6K primary -- 16Ω tap 275.00

PT 045JT-16S JTM45 -- 2, 4, 8 & 16 taps 255.00
POWER

PT JTM45-RI-P  JTM45 reissue upgrade -- dual B+ -- 340-0-340 & 393-0-393 285.00

PT JTM45-RI-PM JTM45 reissue upgrade -- dual B+ -- 300-0-300 & 393-0-393 295.00

PT P4550JT-G1  JTM45 / Plexi 50 -- flat mount -- 475V B+ -- 5V winding 265.00

PT P4550JT-G2  JTM45 / Plexi 50 -- flat mount -- 420V B+ -- 5V winding 265.00

PT P4550JT-G2M JTM45 / Plexi 50 -- flat mount -- 460V B+ -- 5V winding 265.00

PT P4550JT-G3  JTM45 / Plexi 50 -- flat mount -- 515V B+ -- 5V winding 265.00

PT P4550JT-G3S  JTM45 / Plexi 50 -- flat mount -- 500V B+ -- 5V winding 265.00

PT P4550JT-G4  JTM45 / Plexi 50 -- flat mount -- 380V B+ -- 5V winding 265.00

PT P4550JT-G5  JTM45 / Plexi 50 -- flat mount -- 320V B+ -- 5V winding 265.00

PT P4550JT-G6 JTM45 / Plexi 50 -- flat mount -- 250V B+ -- 5V winding 265.00

PT P45JT  JTM45 265.00

PT P45RS  JTM45 285.00

PT P45RS-M JTM45 - Lower B+ -- universal dual primary -- dual 6.3V filament windings --
no 5V rectifier winding -- vertical mount ONLY!
295.00
CHOKE

C CJT45W-5H  5H -- 150mA 40.00

C JT45C-5H  JTM45 -- 5H -- 150mA 40.00

C JT45C-7H  JTM45 -- 7H -- 150mA 40.00

50 Watt

OUTPUT

OT JCM900-50-O JCM900 -- Drop-in Upgrade! 160.00

OT JCM900-50-OM JCM900 -- Drop-in Upgrade!
Use with two 6L6/5881/KT66/6550/KT88 type tubes
210.00

OT MAR50-O  DSL / TSL -- Upgrade! 160.00

OT MAR50-OS  DSL / TSL -- Upgrade!
Use with two 6L6/5881/KT66/6550/KT88 type tubes
210.00

OT MAR50-VM50-O Vintage Modern 50W -- Upgrade!
Use with two EL34/KT77 type tubes
180.00

OT MAR50-VM50-OS Vintage Modern 50W -- Upgrade!
Use with two 6L6/5881/KT66/6550/KT88 type tubes
210.00

O50JM  Plexi (endbells available in most colors, including original vintage)
210.00

OT O50JM-M  Plexi -- higher gain 210.00

OT O50JM-MM  Plexi --  KT88 / 6550 & 6L6 tubes 210.00

OT O50JM-SL Plexi -- self leads 235.00

OT O50JM-4/8 Plexi-style -- 4 & 8Ω taps 220.00

OT O50-PLM  6K primary 235.00

OT MAR-5O/50-O 50/50 rack mount power amp -- Drop-in Upgrade!
Use with two EL34/KT77 type tubes
210.00

OT MAR-5O/50-OS 50/50 rack mount power amp -- Drop-in Upgrade!
Use with two 6L6/5881/KT66/6550/KT88 type tubes
225.00

OT M-JVM205C-O JVM205C Combo -- Drop-in Upgrade! 170.00

OT M-VM2266C-O Vintage Modern 2266C -- Drop-in Upgrade!
Use with two 6L6/5881/KT66/6550/KT88 type tubes
210.00
POWER

PT M-JVM205C-P JVM205C Combo -- Drop-in Upgrade! -- single 120V tap 270.00

PT M-JVM205C-P/E JVM205C Combo -- Drop-in Upgrade! -- 220V, 230V & 240V primary taps 290.00

PT MAR50-P  Plexi 265.00

MAR50-PT DSL/TSL -- Drop-in Upgrade! -- SuperStack (see FatStack)
Comparison photo of Mercury vs. Marshall DSL/TSL 50 PT.

Check out this YouTube.com link by Robert Udell.

265.00

PT MAR-9005-P  Model 9005 50/50 Rack mount power amp -- Upgrade! 365.00

PT MAR-2553-SLJUB-PT 2553 Silver Jubilee -- Drop-in Upgrade! 265.00

PT P4550JT-G1  JTM45 / Plexi 50 -- flat mount -- 475V B+ -- 5V winding 265.00

PT P4550JT-G2  JTM45 / Plexi 50 -- flat mount -- 420V B+ -- 5V winding 265.00

PT P4550JT-G2M JTM45 / Plexi 50 -- flat mount -- 460V B+ -- 5V winding 265.00

PT P4550JT-G3  JTM45 / Plexi 50 -- flat mount -- 515V B+ -- 5V winding 265.00

PT P4550JT-G3S  JTM45 / Plexi 50 -- flat mount -- 500V B+ -- 5V winding 265.00

PT P4550JT-G4  JTM45 / Plexi 50 -- flat mount -- 380V B+ -- 5V winding 265.00

PT P4550JT-G5  JTM45 / Plexi 50 -- flat mount -- 320V B+ -- 5V winding 265.00

PT P4550JT-G6 JTM45 / Plexi 50 -- flat mount -- 250V B+ -- 5V winding 265.00

PT M-JTM50-TREM-PT JTM50 -- late '60s Tremolo 50 265.00

PT M-JTM50-TREM-PTF JTM50 -- late '60s Tremolo 50 -- flat mount version 265.00

PT M-VM2266C-P Vintage Modern 2266C -- Drop-in Upgrade! -- single 120V tap 250.00

PT P50JCM  Plexi -- 375V B+ -- 5V winding 265.00

PT P50JCM-M  Plexi -- 440V B+ with solid state rectification-- 5V winding 265.00

PT P50JM  Plexi 265.00

P50JM-475 Plexi -- 475V B+ (endbells available in most colors, including original vintage)
265.00

PT P50JM-475-C 360-0-360 unloaded B+ -- 6.3V CT @ 7A -- 13V @ 1.5A --
100V, 120V, 220V, 230V & 240V primary taps
290.00

PT P50VDM  Voltage-doubler '80s model 265.00

PT JCM900-50-P JCM900 -- Drop-in Upgrade! 235.00
CHOKE

C MC25-H 25 Henry Choke 40.00

C MC10H  10H -- 200mA 40.00

C MAR100-C  3H -- 250mA 40.00

60 Watt

OUTPUT

OT JTM60-O  JTM60 -- Upgrade! 185.00

OT O60RS-L  Large 60 watt -- 3.4K, 6.6K & 8K primary --
single 16Ω secondary tap
290.00

OT MAR-JCM600-O JCM600 --  Upgrade! 175.00

OT M-TSL60-O TSL60 --  Upgrade! 170.00

OT M-TSL601-O TSL601 --  Upgrade! 170.00

OT M-TSL602-O TSL602 --  Upgrade! 170.00
POWER

PT JTM60-P JTM60 -- Upgrade! 235.00

PT M-TSL60-P TSL60 -- Upgrade! 265.00

75 Watt

OUTPUT

OT PARK75-O  '69-'70 Park -- 75 watt 265.00
POWER

PT P75JT JTM75 -- high B+ -- 5V winding 290.00

100 Watt

OUTPUT

OT O100JM-MULTI 100 watt Plexi -- M5 laminations -- 2, 4, 8 & 16 taps 295.00

OT M-100/100-O 100/100 -- EL34 Dual Monobloc power amp -- Drop-in Upgrade! 240.00

OT JCM900-100-O JCM900 -- Drop-in Upgrade! 265.00

OT M-JCM2000-O JCM2000 -- Drop-in Upgrade! -- SuperStack (see FatStack) 265.00

OT MAR100-O  DSL / TSL -- Upgrade! -- use with combo --
4, 8 & 16Ω taps
235.00

OT MAR100-OM 

DSL / TSL -- Drop-in Upgrade! -- use with head ONLY! --
SuperStack (see FatStack) -- 4, 8 & 16Ω taps

Check out these sound clips from our friends at Wilder Amps (www.WilderAmplification.com)

265.00

OT MAR100-OS DSL / TSL -- Drop-in Upgrade! -- use with head ONLY! --
SuperStack (see FatStack) -- 4, 8 & 16Ω taps --
 6L6 / KT66 / 6550 / KT88 tubes
265.00

OT MAR-VM100-O Vintage Modern 100W -- Upgrade! --
Use with four EL34/KT77 type tubes
270.00

OT MAR-VM100-OS Vintage Modern 100W -- Upgrade! for --
Use with four 6L6/5881/KT66/6550/KT88 type tubes
290.00

OT MMO-50/100C Use with higher gain amp -- 2, 4, 8 & 16Ω taps 290.00

OT MMO-100 Later '70s Model -- for higher gain amp 265.00

OT MMO-100ME Optimized for 6L6 / KT88 / 6550 tubes -- 2, 4 & 8Ω taps 280.00

OT MMO-100M  Optimized for 6L6 / KT88 / 6550 tubes 270.00

OT MMO-PX-100 Great for JCM800 and highest gain amps 285.00

O100JM  Plexi (endbells available in most colors, including original vintage) 265.00

OT O100JM-C 4, 8 & 16Ω taps 290.00

OT O100JM-CUSTOM 4, 8 & 16 taps -- 2.5" stack -- 3K primary 330.00

OT O100JM-M  6L6 / KT88 / 6550 tubes 285.00

OT O100JM-S 4, 8 & 16Ω taps -- 2" stack 210.00

OT O100JM-SL  100 watt Plexi -- self leads 285.00

OT O100JT  JTM-100 "Super Amp" 315.00

OT O100-PLM Plexi -- 3100Ω primary impedance 290.00

OT O100-PLM-S Plexi -- 3100Ω primary impedance -- small size 240.00

OT MAR-JVM100-O JVM410 Head -- Upgrade! -- Check out the JVM Forum! 280.00

OT M-1959HW-O 1959 Hand-Wired reissue -- Drop-in Upgrade! 275.00

OT O100RS-L  Single 16Ω secondary tap 345.00

OT O100RS-LM  2.1K & 3.3K primary -- 8 & 16Ω taps 370.00

OT MAR-6100-O 30th Anniversary Model 6100 -- Drop-in Upgrade! 265.00
POWER

PT MAR-9005-P  9005 50/50 -- Rack mount power amp -- Upgrade! 365.00

PT M-100/100-P 100/100 -- EL34 Dual Monobloc power amp -- Drop-in Upgrade! 240.00

PT MSUPB-100-P '69-'70 Super Bass -- 1.75" STACK -- 100V bias winding 280.00

PT JCM900-100-P  JCM900 -- Drop-in Upgrade! 265.00

PT M-JCM2000-P  JCM2000 -- Drop-in Upgrade! -- SuperStack (see FatStack) 325.00

PT M-JTM-45/100P '67 JTM45/100 -- dual B+ 315.00

PT M3-66P  3" stack 370.00

PT M3-66P-M 3" stack -- lower B+ -- 385-0-385 385.00

PT M3-67P  3" stack 370.00

PT P100-66 2.5M  Plexi -- 2.5" stack 315.00

PT MP100-67  Plexi -- 520V B+ 265.00

PT MP100-67M  '67 -- additional 20V winding 285.00

PT MP100-67S Plexi -- 560V B+ 275.00

PT MP100-68 '68 -- use with bridge diode -- approx. 460 B+ 265.00

PT P100JCM  Bias winding 265.00

PT P100JM  Plexi 265.00

PT P100JM-M '68 Plexi -- 380-0-380 280.00

PT P100JM-MM Plexi 350-0-350 -- 5V winding 290.00

PT MAR100-P

DSL/TSL -- Drop-in Upgrade!

Check out these sound clips from our friends at Wilder Amps (www.WilderAmplification.com)

325.00

PT MAR-CUST-P

Tapped B+ winding -- 350-0-350 & 300-0-300 --
3" stack -- 5V @ 4A -- professional dual primary

400.00

PT MAR100-PM

DSL/TSL --LOWER B+ -- Drop-in Upgrade!

340.00

PT MP-100-400  Plexi -- 400V B+ 265.00

PT MP-100-425 Plexi -- 425V B+ 265.00

PT MP-100-450  Plexi -- 450V B+ 265.00

PT MP-100-460  Plexi -- 460V B+ 265.00

PT MP-100-475  Plexi -- 475V B+ (endbells available in most colors, including original vintage)
265.00

PT MP100-475M Plexi -- 475V B+ -- with additional 12V @ 1A winding 280.00

PT M-TSL-100COMBO-P JCM2000 TSL 122 Combo -- Drop-in Upgrade! 265.00

PT MAR-JVM100-P JVM410 Head -- Upgrade! -- Check out the JVM Forum! 310.00

PT MAR-JVM100-P/E JVM410 head -- Upgrade! -- universal dual-primary 330.00

PT MAR-VM100-P Vintage Modern -- Upgrade! 310.00

PT M-1959HW-P 1959 Hand-Wired reissue -- Drop-in Upgrade! 310.00

PT M-6100-P 30th Anniversary 6100 -- Drop-in Upgrade! 265.00

PT MAR-2555-SJ-PT 2555 Silver Jubilee -- Drop-in Upgrade! 280.00
CHOKE

C MC25-H 25 Henry Choke 40.00

C M-1959HW-CH 1959 Hand-Wired reissue -- Drop-in Upgrade! 45.00

C M-JCM200-C JCM2000 -- 3H -- 250mA -- add this choke to your JCM2000 for improved tonal richness 40.00

C M-CH Late '60s 100 watt -- 3.8 Henry 45.00

C MC10H  10H -- 200mA 40.00

C MAR100-C 

3H -- 250mA

Check out these sound clips from our friends at Wilder Amps (www.WilderAmplification.com)

40.00

200 Watt

OUTPUT

MMAJ-OA Major (endbells available in most colors, including original vintage) 420.00
POWER

PT MMAJ-P  Major 475.00

PT MMAJ-PC Major -- tapped B+ -- 227-0-227 and 190-0-190 --
100V, 120V, 220V, 230V & 240V primary
515.00
CHOKE

C MC10H  10H -- 200mA 40.00

Miscellaneous Marshall

OUTPUT

OT M2001-O  JCM 800 -- Model 2001 -- 375 bass amp 410.00

OT MM-O  Mercury -- single 6BQ5 / EL84 -- 4 watt 65.00

OT MAR-6100-O 30th Anniversary Model 6100 -- Drop-in Upgrade! 265.00
POWER

PT MAR-SPECIAL-P Early '70s Specialist -- 120V primary -- Upgrade! 230.00

PT MAR-SPECIAL-P/E Early '70s Specialist -- 220V, 230V & 240V primary -- Upgrade! 250.00

PT M-JMP-1-P JMP-1 -- Drop-in Upgrade! -- universal dual primary 160.00

PT MAR-SUPB-P '69 Plexi -- 380-0-380 280.00

PT MM-P/120 Mercury -- 120V 100.00

PT MARSB-P  Early '70s Super Bass -- vertical mount