Featured Products

  • SD-CORD-01

    Mercury | Copper-Tone Power Cords | Super Duty (SD)

    6 Foot Super Duty AC-Cord – The 12 Gauge Audio Grade copper wire in our SD Coppertone Cords exceeds the wiring in even your house wiring for maximum power delivery to your audio amp.

    Tech Specs: 12AWG/3 Conductor cable with USA 3 prong (NEMA 5-15P) grounded plug and IEC-C13 female connector. RoHS compliant and UL/CUL/CSA listed. Electrical rating: 15A/125V/1875W.

    $36

  • SD-CORD-02-3M

    Mercury | Copper-Tone Power Cords | Super Duty (SD)

    10 Foot Super Duty AC-Cord – The 12 Gauge Audio Grade copper wire in our SD Coppertone Cords exceeds the wiring in even your house wiring for maximum power delivery to your audio amp.

    Tech Specs: 12AWG/3 Conductor cable with USA 3 prong (NEMA 5-15P) grounded plug and IEC-C13 female connector. RoHS compliant and UL/CUL/CSA listed. Electrical rating: 15A/125V/1875W.

    $50

All Results

  • 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

  • BH5H-KIT

    Blackheart | BH5 Little Giant | KIT

    Complete upgrade kit for your Blackheart Little Giant amp head (BH5H) or combo (BH5-112). Our XLG Upgrade Kit requires only a transformer swap, and a few minor circuit board modifications. You can do it yourself, or we can refer you to an amp tech who can make the upgrade for you.

    For our other Blackheart Little Giant Kit, see our Mean 13 kit.

    Included in the kit:
    -Axiom Power Transformer
    -Axiom Output Transformer (4, 8, 16 Ohm Taps)
    -Axiom Mini-Choke™
    -Other parts necessary to make the upgrade
    -Fully illustrated step-by-step color manual, with wiring schematics and instructions

    Available in 120V only. At this time export versions are not available. Amplifier not included

    $373

    Discontinued.

  • F-PS300-INT

    Fender | 300 PS | Interstage/Phase Inverter Transformer

    PS300 Interstage Driver Transformer #A-010491

    Horizontal mount — bolt hole spacing 2 1/2″ x 2 1/2″

    *Call us for the PS400 Interstage Driver Transformer #128108

    $215

  • M-100-67-O

    Marshall | 100 Watt | Output Transformer

    Rare transitional, pre-Plexi, post JTM era output transformer —

    $383

  • AKG-C12-P

    AKG | C12 | Power Transformer

    C12 Microphone Power Supply Transformer

    $282

  • AC4-KIT

    VOX | AC4TV | KIT

    Whether you use your VOX AC4tv for practice, gigging or recording, take it to the pro-level with the Mercury Studio-Pro Upgrade. Experience the lush vintage tones that only Mercury transformers can give your amp.

    Included in the kit:
    -Axiom Power Transformer
    -Axiom Output Transformer
    -Axiom Mini-Choke™
    -Other parts necessary to make the upgrade
    -Fully illustrated step-by-step color manual, with wiring schematics and instructions

    Kits are available in 120V only. Amplifier not included.

    $409

    Discontinued.

  • C600-KIT

    Fender | Champion "600" | KIT

    Mercury’s kit has everything you need to upgrade your Reissue Fender Champion 600 amp including detailed step-by-step, full color, illustrations, schematics and photographs to help guide you through the process. Installing our Mercury Upgrade Kit dramatically transforms your Reissue Fender Champ “600” (or Gretsch Electromatic) into a keeper.

    Included in the kit:
    – Axiom Power Transformer
    – Axiom Output Transformer
    – Axiom Mini-Choke™
    – Other parts necessary to make the mod
    – Fully illustrated step-by-step color manual, with wiring schematics and instructions

    Note: Speaker no longer included.

    Available in 120V only. At this time export versions are not available. Amplifier not included.

    $326

    Discontinued.

  • MM-FIL-25A

    Mercury | MISC. | Power Transformer

    25 amp 6.3V filament transformer with center tap

    $201
  • Spec Sheet

    PARTRIDGE-60-P

    Partridge | MISC., TG9685 | Power Transformer

    Partridge TG9685 — 120V, 220V, 230V & 240V primary — Partridge transformer design

    $352
  • Spec Sheet

    SOUND-C-200-O

    Partridge, SOUND CITY | 200 Watt | Output Transformer

    4, 8 & 16 Ohm taps — 100V secondary tap — Partridge transformer design. Uses Grain-Oriented Iron

    $534
  • Spec Sheet

    FBFRT

    Fender | Bandmaster, Deluxe (65 Reverb Reissue), Deluxe (68 Custom Deluxe Reverb), Deluxe (Blackface/Silverface-Reverb), MISC., Princeton, Pro, Quadreverb, Showman, Super, Super Six Reverb, Super Twin, Tremolux, Twin, Vibrolux, Vibroverb | Reverb Transformer

    Brown, Blackface & Silverface Spring Reverb Transformer — #022921 — #125A20A/B

    $57

  • JCM800-RT

    Marshall | 100 Watt, 50 Watt, MISC. | Reverb Transformer

    JCM800 Spring Reverb transformer — reverb pan #4DB3C1D

    $63
  • Spec Sheet

    OR-RV

    Orange | MISC. | Reverb Transformer

    Drop-in Upgrade! Spring Reverb driver Transformer

    $57

  • EPJR-KIT2 (No longer available)

    Epiphone | Valve Jr. | KIT

    Upgrade Kit for the remarkably inexpensive Epiphone Valve Jr. amp (combo or head). This demonstration Upgrade Kit features high-end, pro-quality performance transformers like those in great-sounding amps costing anywhere from hundreds to thousands more. Our Upgrade Kit makes the modified Valve Jr. the lowest-cost introduction ever to the wonderful world of boutique amplifier tone.

    Ever wonder how much better your amp could sound just by upgrading its transformers? Here’s your chance to discover the night and day difference.

    Included in the kit:
    – Axiom Power Transformer
    – Axiom Output Transformer (4, 8, 16 Ohm Taps)
    – Axiom Mini-Choke™
    – Other parts necessary to make the mod
    – Fully illustrated step-by-step color manual, with wiring schematics and instructions
    – BONUS! The “6V6 Mod.” Takes your Valve Jr. to even greater heights! Retrofits a 6V6 tube into the circuit. Allows you to run the EL-84 and 6V6 separately or in tandem.

    Available in 120V only. At this time export versions are not available. Amplifier not included.

  • TT-KIT

    Orange | Tiny Terror | KIT

    It’s our simplest Upgrade Kit, yet. All you (or your amp tech) do is swap the transformers and make a few minor circuit mods. The kit also includes an optional Pentode/Triode mode selector switch that expands the tonal possibilities even more!

    Also included in the kit:
    – Axiom Power Transformer
    – Axiom Output Transformer (4, 8, 16 Ohm Taps)
    – Other parts necessary to make the upgrade
    – Fully illustrated step-by-step color manual, with wiring schematics and instructions

    Also consider adding our 9 Henry Mini-Choke for a big affect on the overall tone and feel of your amp.

    Available in 120V only. At this time export versions are not available. Amplifier not included.

    $397

    Discontinued.

  • F-RHODES-3-INT

    Fender | Rhodes | Interstage/Phase Inverter Transformer

    Rhodes Suitcase Piano/Keyboard Driver Transformer — Upgrade!

    $125

  • F-RHODES-INT

    Fender | Rhodes | Interstage/Phase Inverter Transformer

    Rhodes Suitcase Piano/Keyboard Driver Transformer — M6 Laminations — Upgrade!

    $171

  • FVBKING-RT

    Fender | Vibroking | Reverb Transformer

    Spring Reverb Driver Transformer — Add to your amp for improved tonal richness — Upgrade!

    $57

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.