How many ohms is my Mesa 1X15 Road ready?

Discussion in 'Amps [BG]' started by digitalmoney, Jan 30, 2013.


  1. digitalmoney

    digitalmoney

    Joined:
    Nov 13, 2011
    Location:
    Appleton WI
    Which plug do I connect it to is it 4 or 8 ohms.
    The speaker is electro voice 15L
    After that there are SIII
    Does this indicate series 3?
  2. oddgrowth

    oddgrowth

    Joined:
    Sep 1, 2005
    Location:
    Colorado Springs
    8 ohm w/ the stock EV.

    Your jack plate should indicate this.

    I have 2 1x15 RRs (altough I replaced them w/ Kappalite 3015s) - they each run at 4 ohm when combined.
  3. digitalmoney

    digitalmoney

    Joined:
    Nov 13, 2011
    Location:
    Appleton WI
    no jack plate
  4. digitalmoney

    digitalmoney

    Joined:
    Nov 13, 2011
    Location:
    Appleton WI
    Thanks too odd growth
  5. Bass_Pounder

    Bass_Pounder

    Joined:
    Jan 19, 2002
    Location:
    Palm Coast, Florida
    Quick correction............

    They still run at 8 ohms each, but present a 4 ohm load to the amp. Speakers don't change their impedance.
  6. oddgrowth

    oddgrowth

    Joined:
    Sep 1, 2005
    Location:
    Colorado Springs
    Yea, what he said^.
    Excuse my poorly worded and rushed response.

    OP: What you have isn't a Road Ready - & judgeing by that ancient speaker input,
    it looks like an old Mesa Diesel 1x15, which would later become known as the powerhouse.
    I'd do a little more research on older mesa(s), before betting on it being 8ohm.

    The RR:

    [​IMG]
  7. digitalmoney

    digitalmoney

    Joined:
    Nov 13, 2011
    Location:
    Appleton WI
    This is front and back
    It is ported the same way but is wrapped in black tolex.
    On casters too. I thought it was weird no info anywhere
    But did not have a Boogie cab for my 400+.
    So I scooped it up.
  8. oddgrowth

    oddgrowth

    Joined:
    Sep 1, 2005
    Location:
    Colorado Springs
    Hey, it's no big deal.

    All 1x15 Mesa cabs, no matter if it's the RR, Powerhouse, or Diesel are the often tried and true TL606 speaker cabinet design - 1 of the best and most efficient configs out there.

    I loved my 400+. There is something to be said for a matching head and cabinet rig. I ran my 400+ with a Mesa 2x10 & 2x15. It was a phenominal setup. After I didn't play large venues anymore the setup became to cumbersome. So I sold the 2x15 and went w/a 1x15 & sold the 400+ and got a Mesa M2K.

    After reviewing the multiple threads here on TB about 2 cabinet effiency: running 2 identical cabs vs. 2 cabs w/ different sized drivers, I ended up finding another used RR 1x15 and went that route. The difference in sound between my old 2x10 + 1x15 vs. 2-1x15s was startlingly apparent.

    So I'll save you the time & trouble, start looking for another Mesa 1x15.
  9. digitalmoney

    digitalmoney

    Joined:
    Nov 13, 2011
    Location:
    Appleton WI
    Thanks again
    I had been using the 400 + with an Ampeg 4X10 classic HLF cab.
    Then this cab fell into my lap. I too read similar threads about identical cabs and others about how these were the speakers to use with this head for the voicing.
    So I had been looking 1 down 1 to go.

Share This Page