Mercury Magnetics Transformers

Discussion in 'Amps and Cabs' started by 85db, Jul 31, 2005.

  1. 85db

    85db Member

    Messages:
    286
    Joined:
    Jul 25, 2005
    I'm wondering if anybody tried Mercury Magnetics transformers. http://www.mercurymagnetics.com/. They make drop-in replacement transformers for both vintage and modern amps.

    I'm considering one for my Deluxe Reverb Reissue... Anybody tried them?
     
  2. Blue Strat

    Blue Strat Member

    Messages:
    30,023
    Joined:
    Aug 2, 2002
    Location:
    Sterling, VA (not far from Washington DC)
    Yes, they've very good and sound great!
     
  3. TheAmpNerd

    TheAmpNerd Member

    Messages:
    1,062
    Joined:
    Sep 23, 2004
    Location:
    Tejas
    We did three things to a customers amp,

    1. NOS tubes
    2. Tonetubby speaker
    3. MM Output Tranny

    I was quite surprised and how well that output tranny
    made that DR RI sound.

    That Mercury Magnetics tranny is a very good cost-effective upgrade for that amp. I"m trying
    to think what other $80.00 upgrade could match?
     
  4. Killa-B

    Killa-B Member

    Messages:
    517
    Joined:
    Jul 13, 2005
    Location:
    Razorback Country
    Just my opinion, but I like a Kendrick trans much better. They are a bit more pricey though. I've tried both (a couple of models also), and the Kendrick has the mojo. The MM was also adequate, and a good value.

    Good luck with your upgrade!!
     
  5. 85db

    85db Member

    Messages:
    286
    Joined:
    Jul 25, 2005
    Killa-B,

    Did you try both MM and Kendrick trannies in a Deluxe Reverb Reissue or some other amp?
     
  6. 85db

    85db Member

    Messages:
    286
    Joined:
    Jul 25, 2005
    TheAmpNerd,

    Never heard of ToneTubby speakers. Just visited their website -- impressive customer list! Which Tonetubby did you put in your client's Deluxe Reverb? Any ideas how it compares to the other two that get mentioned a lot: Weber 12F150 and Eminence Cannabis Rex?

    Boy I'm glad I found this board!
     
  7. TheAmpNerd

    TheAmpNerd Member

    Messages:
    1,062
    Joined:
    Sep 23, 2004
    Location:
    Tejas
    The Alnico 12 inch, I think it was the 1E cone if I recall.
    What was surprising to me was, with the speaker
    and the tubes, the amp sounded alright for being
    one of the new Fenders.

    AND

    I doubted that the MM trany would make much difference.
    Consider the urban legend....change the speaker first.
    (get a great speaker to listen to how crummy the amp
    really sounds!) Don't buy into it...change the amp
    first then get a good matching speaker!

    SO

    Holy Cow Batman....

    The difference in tone from that Mercury output tranny
    in the reissue Fender was substantial.

    I can't quantify it other than that, you will be happy
    with the result.

    I can't comment on the C Rex, other then some players who have them, commented to me personally they have been less then pleased and removed them from their amps/cabs.

    Weber makes a fine speaker. So does EMI.

    Some of this you are just
    going to have to try and see what works for you.
    Sell off what you don't like over on the boards
    here or ebay them.

    Good luck and have fun, let us know what you
    find out.
     
  8. calieng

    calieng Member

    Messages:
    647
    Joined:
    Nov 21, 2003
    Location:
    San Diego, CA
    The suggestions listed above are all very good.

    Here's what I would do to improve that amp based on my own experience listed in order of what I would try first. You may only need to do a couple mods to get the amp to a point that you are happy with it.

    1. Replace tubes (new EH tubes are decent and of course NOS if you want to pay a lot).

    2. Replace speaker (I liked the Reverend Alltone 1250 made by Eminence but is no longer available. The other new Eminence speakers seem like a good option).

    3. Complete circuit board mods (change bright cap, change slope resistor, mid boost mod - may need a tech to do this for you).

    c10= 27pf (bright cap)
    R18=82k (slope)
    R21=10K (mids)

    4. Change ouput tranny (the originals are not bad and there is no real reason to change the power tranny unless you want to run 6L6s. There may be a speaker clearance problem with swapping trannies and you may need a tech to do the work for you.)

    5. AB763 PTP Board (most cost and most amount of work but also the most improvement you can make to the amp - also requires a tech to do the work unless you've built at least a few amp kits).

    By the way, you should know how to deal with high voltage...discharge the filter caps etc if you decide to try to do some of the work yourself.
     
  9. Killa-B

    Killa-B Member

    Messages:
    517
    Joined:
    Jul 13, 2005
    Location:
    Razorback Country
    Actually, I tried them both in an old DR that had a shot tranny. The MM was fine, but there was definite improvement with the Kendrick trans. Gerald from Kendrick has been at it a while and it sounds like it.

    Also, he has a "hot rod" tranny for the deluxe. check it on their site. Haven't tried this one, but it sounds interesting. You can always call Kendrick and speak to Gerald about it. He returns emails within a day usually also.
     
  10. 85db

    85db Member

    Messages:
    286
    Joined:
    Jul 25, 2005
    Which tranny was shot, the power or the output one?
     
  11. Killa-B

    Killa-B Member

    Messages:
    517
    Joined:
    Jul 13, 2005
    Location:
    Razorback Country
    I have used both power and output Kendrick trans, but in this case it was the output trans. I can honestly say that this DR had the least mushy bass of any Fender DR I've ever heard. I tried to buy it off the guy I fixed it for, but after hearing it he declined.

    I plan to score a silverface SR in decent shape, blackface it, give it a cap job and replace both trannys with the Kendrick models. I figure I can do all this for about 8 hundy. Then maybe speakers.....:)
     
  12. JerryP

    JerryP Member

    Messages:
    442
    Joined:
    Oct 21, 2003
    Location:
    Syracuse, NY
    I've used the Mercury's in several different amps (never a DR) and they always sounded great.
    Jerry
     
  13. 85db

    85db Member

    Messages:
    286
    Joined:
    Jul 25, 2005
    It's an old dilemma: the tranny or the speaker? Perhaps the answer is "both".
     
  14. Wayne

    Wayne Member

    Messages:
    655
    Joined:
    Feb 25, 2003
    Location:
    Lancaster County, Pennsylvania, USA
    My DRRI was completely rebuilt with PTP wiring and high-quality components including four pieces of Mercury Magnetics iron. Wonderful!!! You can read about it here:

    http://www.waynereno.com/

    Note; there's and entire section about the Mercury Magnetics power transformer. I also have the output and reverb transformers and their choke.

    Wayne
     
  15. TheAmpNerd

    TheAmpNerd Member

    Messages:
    1,062
    Joined:
    Sep 23, 2004
    Location:
    Tejas
    Wayne,

    What a bang up job?

    What does something like that go for?

    Are tubes and Trannies extra?

    Ballpark can you give and est below
    of the exact same thing.

    Board populated and intalled:

    Tube:

    Trannies:
     
  16. rhmcfarland

    rhmcfarland Member

    Messages:
    304
    Joined:
    Dec 17, 2003
    Location:
    Memphis
    hey guys,

    please pardon my lack of in depth knowledge on trannies & stuff.

    question: why is it that DeYoung Manufacturing Inc. transformers make the SLO-100 sound so good? I think its the only amp in his line up that uses those, and all the other amps seem to lack something in comarison.

    Is DMI a high-end type of product?

    Could I put a DMI tranny in a little amp like a tweed deluxe or ac15?

    Randy
     
  17. DC67

    DC67 Member

    Messages:
    76
    Joined:
    Jun 17, 2004
    Location:
    Rockville, MD
    I have a set of Mercury Marnetics transformers in my AC30 inspired amp and I've been very happy with them.

    Don

    [​IMG]
     
  18. Wayne

    Wayne Member

    Messages:
    655
    Joined:
    Feb 25, 2003
    Location:
    Lancaster County, Pennsylvania, USA
    TheAmpNerd,

    If you check out the contact info page on my site and send an email to Mikey, he'll send you a price list. Last I checked it was about $800 for a rebuild, which included most of the good stuff I described on my website. I did get some extras that are available via his price list. I supplied all my own tubes.

    BTW, thanks for the compliment! I really enjoyed writing the whole process up and creating the website.

    Wayne
     

Share This Page