 The kit's full color manual walks you through the process of the Mercury Upgrade. Complete with everything you need, except the amp to make the upgrade.
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Experienced and knowledgeable amp techs will tell you that transformers are the basis of any great-sounding amp. Make no mistake about it, without quality transformers your amp won't be a contender! That's exactly why Mercury specializes in premium transformer upgrades. Few factory-made amps come with "good iron" these days. So your tone suffers. But you can finish the job and wring the best-possible tone from any tube-based amp by upgrading their ordinary stock transformers to high-performance Mercurys. A stock Champ "600" (or Gretsch Electromatic) is a cool-looking little practice amp, but it lacks "I just wanna keep playing" tone. Simply swapping the existing transformers for quality upgrades yields amazing tonal results -- but at Mercury we went for a knock-out! Mercury already had ToneClones of the best-sounding Fender Champ transformer designs of all time. So, for the Champ "600" project we took a completely different approach to give the little amp even more -- utilizing our new Axiom technology. The Axiom series are an exciting new concept in transformer design, and proprietary to Mercury. What do you get? More harmonic overtones, more volume, more note definition (where you need it!) -- with tone that's saturated in sparkle and bloom. As a result an upgraded amp is a pleasure and an inspiration to play. And, the phenomenon of "ear fatigue" (the reason you don't want to keep on playing or listening) is virtually eliminated! Mercury's kit has everything you need to upgrade your amp including detailed step-by-step, full color, illustrations, schematics and photographs to help guide you through the process. Our Mercury Upgrade Kit dramatically transforms your Fender Champ "600" (or Gretsch Electromatic) into a keeper. It's time you put on the pro gloves and got into the ring. Treat yourself to the best little amp money can buy. Call Mercury now to order your upgrade kit -- or for an authorized installer near you.
  For the ultimate ride, take advantage of the speaker-out jack and bypass the amp's onboard 6" speaker altogether. The Mercury Upgrade was originally previewed at the LA Amp Show to rave reviews. At the show we A/B'd the stock against the upgraded amp and, to the amazement of those who attended, also demo'd the upgrade powering a full stack (see photo)!
Radically Upgrade the tone of your Champ "600"!
Order your Mercury Upgrade Kit now! Also see the Mercury Upgrade Kits for the VOX AC4tv, Epiphone Valve Jr., Blackheart "Little Giant" and Orange "Tiny Terror
Complete Axiom® Upgrade Kit for the Champion "600"
| | KIND | PART NO. | DESCRIPTION | SPECIAL
KIT
PRICE |  Champion "600" or Gretsch Electromatic Mercury Axiom® power transformer Mercury Axiom® output transformer Mercury Axiom® Mini-Choke™ Custom-designed 6" speaker* Other parts necessary to make the mod Fully illustrated color manual, with wiring schematics on CD-ROM
*Note: The stock speaker couldn't handle the output. So, we auditioned several speaker designs before settling on the pick of the litter. | | MERCURY UPGRADE KIT | | Axiom® | C600-KIT | Mercury Upgrade Kit for Fender Champion "600" amps (Version 1) | $249.00
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Visit my Revolver OEM Boards Page to see the Revolver Hand-Wired Board for the Champion 600. | Read what these Mercury Upgrade Kit owners have to say "Wanted to drop you guys a line on the Mercury Upgrade for my Fender Champion "600". I'm definitely a noob to the whole amp-mod thing but after some serious due diligence and a small fortune in trying to upgrade by picking better tubes for the stock Champ "600", I settled with your kit. Not knowing what I was in for, I'm really happy about it. "Instructions were really good -- I can't read schematics but your photos were super clear and instructions were clearer. "Once I popped the stock 12AX7 and upgraded 6V6 back in, it was really a night and day experience. When plugged into my 65amps Celestion cab, it was indistinguishable from some of my other amps (costing 10x as much). "This is by far the most economical way to an amp that rivals those '50s era tweed Champs and if you want, a surprising amount of output and authority, now it can be gigged, there's no better value ratio out there for this much tone. Good Job! "Sound clips to follow once I get a recording that does the live experience justice." -- Chris Astolfo
"I've been performing with the Mercury Upgraded Champ "600" for a couple months now. Wow! It looks like the same amp, but it sure doesn't sound the same. Huge improvement in both tone and volume. "I played a 4th of July party at a restaurant packed with 250+ people. I used this amp un-mic'd, for rhythm guitar, with the volume on about '3½.' Our sound man could hear it loud and clear everywhere in this large facility. Unreal, that such a small package could pack this much wallop. I've used it successfully at several other venues as well. "The Mercury conversion for the Champion "600" is well thought out, and is an excellent product. I'm glad I bought it." -- Glenn McGrath
"I talked to you a few months ago about getting a Champ 600 kit. I ordered one from Beyond Eleven and got it installed and it sounds AMAZING. I gave y’all a shout out on www.MyLesPaul.com too. Thank you so much for your product and for making my Champ sound like a $1,000 boutique amp for a fraction of the price. I really am blown away at how good this thing sounds now. It’s like night and day." -- Lucian Crockett |