Featured Products

  • MC10H

    Marshall | 100 Watt, 18 Watt, 200 Watt, 50 Watt, JVM, MISC., VM100, VM50 | Choke

    10 Henry / 250mA Choke — 3-9/16″ Mounting Centers — DCR: Approx 275 Ohms

    $57

  • MAR100-C

    Marshall | 100 Watt, 50 Watt, JVM, MISC., VM50 | Choke

    3H — 250mA — 2 13/16″ Mounting Centers — DCR: Approx 92 Ohms

    For DSL/TSL 100 watt amps w/o a choke

    $57

All Results

  • JT45C-7H

    Marshall | 45 Watt, JTM45, MISC. | Choke

    45 Watt — 7H — 150mA — 2-3/8″ Mounting Centers

    $57
  • Spec Sheet

    O50JM

    Marshall | 50 Watt | Output Transformer

    Plexi/JMP Era — Drake 784 139 — 3.3 kΩ primary, 4, 8, & 16 Ω taps

    For 2 x EL34’s — bolt hole spacing is 2 1/2″ x 2 1/2″ — replaces original OT !

    $271
  • Spec Sheet

    O100JM

    Marshall | 100 Watt | Output Transformer

    Plexi & JMP amps — DE #C 1998 — 1.7 kΩ primary, 4-8-16 Ω taps

    1.5″ stack, 3″ x 2 1/2″ bolt hole spacing — Replaces original OT !

    $339

  • JT45C-5H

    Marshall | 45 Watt, JTM45, MISC. | Choke

    45 Watt — 5H — 150mA — 2-3/8″ Mounting Centers

    $57
  • Spec Sheet

    P18RS

    Marshall, Radiospares | 18 Watt | Power Transformer

    PT with Lug terminals like the original

    $296

  • M-CH

    Marshall | 100 Watt, 50 Watt, MISC. | Choke

    Late ’60s 100 watt — 3.8 Henry, 100 mA — 2 13/16″ mounting centers

    $57
  • Spec Sheet

    MMO-100M

    Marshall | 100 Watt | Output Transformer

    Optimized for 6L6 / KT88 / 6550 tubes — 1.5″ stack. Uses Grain-Oriented Iron

    $347

  • O50JM-FS

    Marshall | 50 Watt | Output Transformer

    Plexi era — FatStack version for added low frequency extension and more clean headroom — Mounting Centers: 2-1/2″ X 3″

    $296
  • Spec Sheet

    O50JM-MM

    Marshall | 50 Watt | Output Transformer

    Plexi — for KT88 / 6550 (& 6L6) tubes — 5.9 kΩ primary

    Vertical mount, bolt hole spacing is 2 1/2″ x 2 1/2″

    $271
  • Spec Sheet

    O45RS-L

    Marshall, Radiospares | 45 Watt, 50 Watt, JTM45 | Output Transformer

    Leads (endbells available in most colors, including original vintage)

    $333
  • Spec Sheet

    P50JM-475-C

    Marshall | 50 Watt | Power Transformer

    360-0-360VAC unloaded B+ — 6.3V CT @ 7A — Added 13V @ 1.5A Accessory Winding — With Universal Voltage Primary

    $349
  • Spec Sheet

    MAR50-O

    Marshall | DSL / TSL 50 | Output Transformer

    DSL / TSL — 50 Watt Combo (or Head) —  TXOP 00030 (D5240)

    3.3 kΩ primary — flat mount w/ lugs — Bolt hole spacing is 2 1/2″ x 3 1/8″

    $208
  • Spec Sheet

    MP100-475

    Marshall | 100 Watt | Power Transformer

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

    $333
  • Spec Sheet

    P50JM-475

    Marshall | 50 Watt | Power Transformer

    Plexi — Approx 475VDC B+ —  360-0-360 unloaded B+ — 6.3V CT @ 7A — 120V, 230V and 240V Primary

    $333

  • M-JMP-1-P

    Marshall | JMP-1 | Power Transformer

    JMP-1 — Drop-in Upgrade! — For rack mount preamp only –TXMA-00014

    NOT FOR MODDED UNITS! — Universal Voltage Primary

    $265
  • Spec Sheet

    MAR100-1.7K-OFS

    Marshall | DSL / TSL 100 | Output Transformer

    DSL / TSL — use with head ONLY! — 3″ SuperStack — 4, 8 & 16Ω taps

    **Standard 1.7 kOhm primary impedance version of the TXOP-00001

    Bolt hole spacing is 2 1/2″ x 3 1/8″ — has lugs (no leads)

    $339
  • Spec Sheet

    O18RS-L

    Marshall, Radiospares | 18 Watt | Output Transformer

    Leads

    $320
  • Spec Sheet

    MAR18-OT

    Marshall | 18 Watt | Output Transformer

    Current handwired edition — 18 watt 1974X reissue — 4, 8 & 16Ω taps

    #TXOP 00020 (D4910)

    $239

Not finding what you’re looking for? We are constantly adding new products to our catalog – for the most up-to-date information, please email or call us: 818-998-7791.

Mercury offers Transformer Restoration Services for rare and vintage transformers that are failing or underperforming. With our attention to detail you can be assured that your restored vintage transformer will look AND sound exactly as it did. For more info please email or call us: 818-998-7791 for a quote.