All Results

  • O100RS-L

    Marshall, Radiospares | 100 Watt | Output Transformer

    Single 16Ω secondary tap

    $440

  • O20RS-FS

    Marshall, Radiospares | 20 Watt | Output Transformer

    FatStack with leads

    $339

  • O20RS-L

    Marshall, Radiospares | 20 Watt | Output Transformer

    20 watt with Leads

    $320

  • O20RS-SS

    Marshall, Radiospares | 20 Watt | Output Transformer

    With lead wires — SuperStack — Uses Grain-Oriented Iron

    $377

  • O45JT

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

    JTM45 — 8 & 16Ω taps — 100V secondary tap

    $303

  • O45RS-L-8

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

    Radiospares — leads — 8k primary — standard RS secondary

    $352

  • O50JM-4-8

    Marshall | 50 Watt | Output Transformer

    Plexi-style — 4 & 8 Ohm taps

    $284

  • O50JM-SL

    Marshall | 50 Watt | Output Transformer

    Plexi — self leads

    $303

  • O50JM-XL

    Marshall | 50 Watt | Output Transformer

    Plexi-style — 4, 8 & 16 Ohm taps — oversized (100 watt OT size) — Upgrade!

    $347
  • Spec Sheet

    O60RS-L

    Marshall, Radiospares | 60 Watt | Output Transformer

    Large 60 watt — 3.4K, 6.6K & 8K primary — single 16Ω secondary tap

    $371

  • OFBF-20

    Fender | MISC. | Output Transformer

    Blackface — 20 watt with 8 Ohm Secondary.

    $151

  • OFBF-20-4-8

    Fender | MISC. | Output Transformer

    Blackface — 20 watts with 4 & 8 Ohm taps

    $132

  • OFBF-85

    Fender | Showman | Output Transformer

    Blackface — 85 watts into single 8 Ohm tap — #125A30A

    Horizontal mount — bolt hole spacing is 2 1/4″ x 3 3/8″

    $208

  • OR-DARK-O

    Orange | Dark Terror | Output Transformer

    Dark Terror – 8 & 16 Ohm taps — Drop-in Upgrade!

    $182

  • OR-TH30-O

    Orange | 30 Watt | Output Transformer

    Thunder 30 — 4.2 kΩ primary, with 4, 8 & 16 Ohm taps

    Bolt hole spacing is 2″ x 2 3/4″ — Also used in Dark Terror amps

    $253

  • OR120-O

    Orange | 100/120 Watt | Output Transformer

    Early ’70s — 120 watt — unusual flat mount

    $383

  • ORO-100

    Orange | 100/120 Watt | Output Transformer

    Drop-in Upgrade!

    $339

  • ORO-140

    Orange | 140 Watt | Output Transformer

    Drop-in Upgrade!

    $339

  • ORO-200-M

    Orange | 200 Watt | Output Transformer

    AD200 BASS MK3 — 2, 4 & 8 Ohm taps — Drop-in Upgrade! –Uses Grain-Oriented Iron

    $503

  • ORO-TT-A

    Orange | Tiny Terror | Output Transformer

    8 & 16 Ohm taps — Drop-in Upgrade!

    $182

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.