Featured Products
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FTDO-59M
$214Tweed — ’59 — Dual 8 Ohm taps (one optimized at 5K for use with two 6L6s the other optimized at 8K for use with two 6V6s). Uses Grain-Oriented Iron
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SE-20K
$195Single ended — 20k primary — 4Ω tap
All Results
Axiom series transformers are in a class by themselves. We’ve taken our advanced knowledge of modern transformer designs and mated it with our unparalleled expertise with vintage gear.
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MMO-100M
$347Optimized for 6L6 / KT88 / 6550 tubes — 1.5″ stack. Uses Grain-Oriented Iron
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MM-9H-CH
$579 Henry Mini-Choke
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O50JM-MM
$271Plexi — KT88 / 6550 & 6L6 tubes
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P50JM-475-C
$366360-0-360VAC unloaded B+ — 6.3V CT @ 7A — Added 13V @ 1.5A Accessory Winding — With Universal Voltage Primary
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M-JMP-1-P
$265JMP-1 — Drop-in Upgrade! — For rack mount preamp only — NOT FOR MODDED UNITS! — Universal Voltage Primary —
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O100-PLM
$371Plexi — 3100Ω primary impedance — 1.5″ stack
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TT-KIT
$397It’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 instructionsAlso 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.
Discontinued.
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MAR-JVM100-O
$358JVM410 & Silver Jubilee 2555X Head — Dagnall TXOP-00029 (D5118 TRX)
Check your mounting hole spacing! — Bolt spacing is 3″ x 3 3/4″
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O50-PLM
$3036K primary
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C600-KIT
$326Mercury’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 instructionsNote: Speaker no longer included.
Available in 120V only. At this time export versions are not available. Amplifier not included.
Discontinued.
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AC4-KIT
$409Whether 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 instructionsKits are available in 120V only. Amplifier not included.
Discontinued.
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EPJR-KIT2 (No longer available)
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.
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FC4
$76Tweed — 4 Henry. Uses Grain-Oriented Iron
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M-88BASS-250-OM
$503Custom design for bass guitar applications — 2, 4 & 8Ω taps — 1500Ω primary — 3″ stack of iron. Uses Grain-Oriented Iron
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TW-KF-OT
$352Dual primary — 5200Ω and 6600Ω — 4, 8 & 16Ω taps — Upgrade!
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MAR100-P
$409DSL/TSL — Dagnall D2105 & T-5826 (TXMA 00061) — Drop-in Upgrade! SuperStack (over 4 inches of iron!)
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OR-DT-O
$271Dual Terror — 4, 8 & 16Ω taps — Drop-in Upgrade!
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SE-5K-M
$163Single Ended 5k primary — 4, 8 & 16 Ohm Secondary taps
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.
