Featured Products

  • Spec Sheet

    O20JM-L

    Marshall | 20 Watt | Output Transformer

    20 Watt OT with Leads — 4, 8, and 16 Ohm Secondary

    $208.00
  • Spec Sheet

    P20JM

    Marshall | 20 Watt | Power Transformer

    60s — solid state rectifier — 100V, 120V, 220V, 230V & 240V primary

    DE #T 2650

    $234.00

All Results

  • RS-DELUXE-EL84-2X4

    Radiospares | 18 Watt, 20 Watt, 45 Watt | Output Transformer

    4K & 8K primaries — for use with two or four EL84s or 6V6s

    $314.00

  • RS-DELUXE-EL84-2X4

    Radiospares | 18 Watt, 20 Watt, 45 Watt | Output Transformer

    4K & 8K primaries — for use with two or four EL84s or 6V6s

    $314.00

  • HI-20-P

    Hiwatt | 20 Watt | Power Transformer

    20 watt — Partridge transformer design

    $220.00

  • HI-20-O

    Hiwatt | 20 Watt | Output Transformer

    20 watt — 4, 8 & 16 Ohm taps — Upgrade!

    $309.00

  • LAN-O20

    Laney | 20 Watt | Output Transformer

    20 watt — 8k primary — 8 & 16Ω taps

    $177.00

  • LAN-O20-8K

    Laney | 20 Watt | Output Transformer

    20 watt — 8k primary — 4, 8 & 16Ω taps

    $227.00

  • MAR-20WP-LB+

    Marshall | 20 Watt | Power Transformer

    ’60s — solid state rectifier — 120V primary — lower B+ voltage

    $234.00

  • MAR-20WPE-LB+

    Marshall | 20 Watt | Power Transformer

    ’60s — solid state rectifier — 220V & 240V primary — lower B+ voltage

    $246.00

  • MAR20-OT

    Marshall | 20 Watt | Output Transformer

    Larger 20 watt — 4, 8 & 16 Ohm taps

    $246.00

  • MPRT-20

    Marshall | 20 Watt | Power Transformer

    Reverb-Tremolo

    $177.00

  • O20RS-FS

    Marshall, Radiospares | 20 Watt | Output Transformer

    FatStack with leads

    $339.00

  • O20RS-L

    Marshall, Radiospares | 20 Watt | Output Transformer

    20 watt with Leads

    $320.00

  • O20RS-SS

    Marshall, Radiospares | 20 Watt | Output Transformer

    With lead wires — SuperStack — Uses Grain-Oriented Iron

    $377.00

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.