Featured Products

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  • HI50-PV

    Hiwatt | 50 Watt | Power Transformer

    Earliest 50 watt — single 120V primary — 5V tube rectifier winding. This transformer design is from within the first 12 Hiwatts built! Partridge transformer design

    $366
  • HI-HG50-P

    Hiwatt | High Gain 50 | Power Transformer

    High Gain 50 Combo — dual primary taps — Drop-in Upgrade!

    $333
  • HI-20-O

    Hiwatt | 20 Watt | Output Transformer

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

    $309
  • HI50-OC

    Hiwatt | 50 Watt | Output Transformer

    50 watt — 4, 8 & 16 Ohm taps

    $314
  • HI50-O

    Hiwatt | 50 Watt | Output Transformer

    50 watt

    $313
  • HI200-O

    Hiwatt, Partridge | 200 Watt | Output Transformer

    ’70s 200 watt — model DR-201 — Partridge transformer design

    #TG 7239 —  vertical mount, bolt hole spacing is 3 1/2″ x 3″

    $534
  • HI200-P

    Hiwatt, Partridge | 200 Watt | Power Transformer

    ’70s 200 watt — model DR-201 — Partridge transformer design

    #TG 9424 —  vertical mount, bolt hole spacing is 3 1/2″ x 3 1/2″

    $598
  • HI100-P

    Hiwatt | 100 Watt | Power Transformer

    100 watt

    $396
  • HIO50-M

    Hiwatt | 50 Watt | Output Transformer

    50 watt — 2, 4, 8 & 16Ω taps

    $366
  • HI-CUSTOM7-P

    Hiwatt | Custom 7 | Power Transformer

    Custom 7 — Drop-in Upgrade! — Universal Voltage Primary

    $220
  • HI50-PV-240

    Hiwatt | 50 Watt | Power Transformer

    Earliest 50 watt — 210V, 230V & 240V primary — 5V tube rectifier winding

    $396
  • HI50-P

    Hiwatt | 50 Watt | Power Transformer

    50 watt

    $333
  • HI100-O

    Hiwatt | 100 Watt | Output Transformer

    100 watt — 1.75 kOhm primary — #TG5479

    $366
  • HI-SG30-P

    Hiwatt | SG30 | Power Transformer

    SG30 — 120V primary tap — Drop-in Upgrade!

    $220
  • HI-P40-100-120

    Hiwatt | 40 Watt | Power Transformer

    Modern 40 watt

    $265
  • HI-20-P

    Hiwatt | 20 Watt | Power Transformer

    20 watt — Partridge transformer design

    $220

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.