All Results

  • JCM900-100-O

    Marshall | JCM900 | Output Transformer

    JCM900 — Superstack — 3″ tall — with lugs (no lead wires)

    1.7k Ω primary — Flat mount, hole spacing 2 1/2″ x 3 1/8″

    *For Head only! — combo amp use MAR100-O

    $339

  • JCM900-100-OM

    Marshall | JCM900 | Output Transformer

    JCM900 — Superstack — 3″ tall — with lugs (no lead wires)

    3k Ω primary w/ 4, 8 & 16 Ohm taps –use 6L6 / KT66 / 6550 / KT88 tubes

    Flat mount, hole spacing 2 1/2″ x 3 1/8″ — *For Head only!

    $352

  • JCM900-50-O

    Marshall | JCM900 | Output Transformer

    JCM900 — 50 Watt Drop-in Upgrade!

    $208

  • JCM900-50-OM

    Marshall | JCM900 | Output Transformer

    Drop-in 50 Watt Upgrade! Use with two 6L6/5881/KT66/6550/KT88 type tubes

    $271

  • M-1959HW-O

    Marshall | 100 Watt | Output Transformer

    1959 Hand-Wired reissue — 1.5″ stack — Drop-in Upgrade!

    *Replacement for TXOP 00021  (C 1998)

    $339

  • M-4100-100-O

    Marshall | 100 Watt | Output Transformer

    4100 — Drop-in Upgrade!

    $339
  • Spec Sheet

    MAGNA-280-O

    Magnatone | 280 | Output Transformer

    Custom 280 amp — single 8 Ohm tap — #6107

    $177

  • MAGNA-440-O

    Magnatone | 440 | Output Transformer

    440 — single 8 Ohm tap

    $189

  • MAR20-OT

    Marshall | 20 Watt | Output Transformer

    Larger 20 watt — 4, 8 & 16 Ohm taps

    $246

  • MAR30-OS

    Marshall | 30 Watt | Output Transformer

    2.6, 8 & 16 Ohm taps — flat mount — Upgrade!

    $239

  • MAR50-VM50-O

    Marshall | 50 Watt, VM50 | Output Transformer

    Vintage Modern 50W — Upgrade! Use with two EL34/KT77 type tubes

    $233

  • MAR50-VM50-OS

    Marshall | 50 Watt, VM50 | Output Transformer

    Vintage Modern 50W — Upgrade! Use with two 6L6/5881/KT66/6550/KT88 type tubes

    $271

  • MAR-9005-O

    Marshall | 50 Watt | Output Transformer

    9005 power amp — use with 5881 tubes — Sizes vary – Please contact us before ordering.

    $339

  • MAR-JCM600-O

    Marshall | 60 Watt | Output Transformer

    JCM600 — Upgrade!

    $227
  • Spec Sheet

    MAR-JVM100-OS

    Marshall | 100 Watt, JVM | Output Transformer

    JVM410 Head — Check out the JVM Forum! — Upgrade! — Use with four 6L6/5881/KT66/6550/KT88 type tubes

    $371

  • MAR-VM100-O

    Marshall | 100 Watt, VM100 | Output Transformer

    Vintage Modern 100W — Upgrade! — Use with four EL34/KT77 type tubes

    $347

  • M-JCM2000-O

    Marshall | JCM2000 | Output Transformer

    100 Watt JCM2000 — SuperStack — 3″ tall — with lugs (no lead wires)

    1.7k Ω primary w/ 4, 8 & 16 Ohm taps — Flat mount, hole spacing 2 1/2″ x 3 1/8″

    *For Head only! — combo use MAR100-O

    $339

  • M-JVM205C-O

    Marshall | 50 Watt, JVM | Output Transformer

    50 Watt Combo (or Head) — Drop-in Upgrade! — TXOP 00030 (D5240)

    Flat mount w/ lugs — Bolt hole spacing is 2 1/2″ x 3 1/8″

    $220

  • M-JVM215C-O

    Marshall | 50 Watt, JVM | Output Transformer

    JVM215C Combo — Drop-in Upgrade!

    $220

  • MMO-100MX

    Marshall | 100 Watt | Output Transformer

    1700 Ohm primary — 4, 8 & 16 Ohm taps. Uses Grain-Oriented Iron

    $390

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.