Featured Products

  • JT45C-7H

    Marshall | 45 Watt, JTM45, MISC. | Choke

    45 Watt — 7H — 150mA — 2-3/8″ Mounting Centers

    $57

  • JT45C-5H

    Marshall | 45 Watt, JTM45, MISC. | Choke

    45 Watt — 5H — 150mA — 2-3/8″ Mounting Centers

    $57

All Results

  • Spec Sheet

    O45RS-L

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

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

    $333
  • Spec Sheet

    P4550JT-G2

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

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

    $333
  • Spec Sheet

    O45JT-16

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

    JTM45 — 4, 8 & 16Ω taps

    $309
  • Spec Sheet

    P4550JT-G2M

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

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

    $333
  • Spec Sheet

    P4550JT-G4

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

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

    $333

  • CJT45W-5H

    Marshall | 45 Watt, JTM45, MISC. | Choke

    45 Watt — 5H — 150mA — 2″ Mounting Centers

    $57
  • Spec Sheet

    P4550JT-G1

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

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

    $333

  • JTM45-RI-P

    Marshall | 45 Watt, JTM45 | Power Transformer

    JTM45 reissue — dual B+ — 340-0-340 & 393-0-393 — Upgrade!

    $359
  • Spec Sheet

    O45RS-L-8-M

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

    3.4K & 6.6K & 8K primary — 8Ω tap

    $352

  • 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

  • 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
  • Spec Sheet

    O45RS-L-16

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

    3.4k, 6.6k & 8k primary — 16Ω tap

    $358

  • P45RS

    Radiospares | 45 Watt | Power Transformer

    As used on JTM45 — 350V – 0 – 350V B+ with dual 6.3VCT winds and a 5V filament winding.

    $359

  • P45RS

    Radiospares | 45 Watt | Power Transformer

    JTM45 – Lower B+ — 350V – 0 – 350V B+ with dual 6.3VCT winds and a 5V filament winding.

    $359
  • Spec Sheet

    P4550JT-G3

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

    JTM45 / Plexi 50 — flat mount — 515V B+ — 5V winding

    $333

  • JTM45-RI-PM

    Marshall | 45 Watt, JTM45 | Power Transformer

    JTM45 reissue — dual B+ — 300-0-300 & 393-0-393 — Upgrade!

    $371
  • Spec Sheet

    O45RS-L-16-M

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

    3.4K & 6.6K primary — 16Ω tap

    $352

  • P45JT

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

    100, 120, 220, 230, 240V Primary with 385 – 0 – 385VAC B+

    $333

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.