Featured Products

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  • O50JM

    Marshall | 50 Watt | Output Transformer

    Plexi Era – 4, 8, and 16 Ohm Secondary — Endbells available in most colors

    $228.00
  • M-CH

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

    Late ’60s 100 watt — 3.8 Henry

    $48.00
  • 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″

    $250.00
  • O50JM-MM

    Marshall | 50 Watt | Output Transformer

    Plexi — KT88 / 6550 & 6L6 tubes

    $228.00
  • O45RS-L

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

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

    $281.00
  • 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

    $308.00
  • 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

    $281.00
  • P4550JT-G2

    Marshall | 45 Watt, 50 Watt, JTM45 | Power Transformer

    JTM45 / Plexi 50 — Flat mount — Approx 420V B+ — 5V winding — With Lugs

    $281.00
  • MMC-3H

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

    3.3H — 200mA — for ’73-’86 Era Marshalls — DCR: Approx 112 Ohms

    $48.00
  • OR-CH

    Orange | 100/120 Watt, 140 Watt, 50 Watt, MISC. | Choke

    Drop-in Upgrade!

    $48.00
  • O45JT-16

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

    JTM45 — 4, 8 & 16Ω taps

    $260.00
  • O50-PLM

    Marshall | 50 Watt | Output Transformer

    6K primary

    $255.00
  • P4550JT-G2M

    Marshall | 45 Watt, 50 Watt, JTM45 | Power Transformer

    JTM45 / Plexi 50 — flat mount — 460V B+ — 5V winding

    $281.00
  • P4550JT-G4

    Marshall | 45 Watt, 50 Watt, JTM45 | Power Transformer

    JTM45 / Plexi 50 — flat mount — 380V B+ — 5V winding

    $281.00
  • P4550JT-G1

    Marshall | 45 Watt, 50 Watt, JTM45 | Power Transformer

    JTM45 / Plexi 50 — flat mount — Approx 450VDC B+ — 5V winding

    $281.00
  • O45RS-L-8-M

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

    3.4K & 6.6K & 8K primary — 8Ω tap

    $297.00
  • P50JCM-M

    Marshall | 50 Watt | Power Transformer

    Plexi — 440V B+ with solid state rectification–5V winding

    $281.00
  • PARK75-O

    Marshall, Park | 50 Watt, 75 Watt | Output Transformer

    ’69-’70 Park — 75 watt

    $217.00

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.