I know.. I should just buy a 1x12 cab ...but I was playing through my Zbest a few months ago with just a single 12" in it and it sounded really good. I'd like to be able to add another jack on the back so I can do both. Does anybody know how I can wire this sucker up that way? Am I nuts? I think it can be done...
Last Edit: Jul 11, 2006 13:35:46 GMT -7 by johnnyl
Post by JASON (aka jgleaton) on Jul 13, 2006 14:06:12 GMT -7
Tell ya what I was thinkin about... maybe cool for you too and maybe one of the other guys will chime in and let me know if this would work too... I think it would and would be neat...
On one of my spare 2x12 cabs I was gonna wire one jack (jack #1) to one 16 ohm speaker AND another Jack (jack #2) to to the OTHER 16 ohm speaker... so I could use 2 HEADS into ONE 2x12 cab using each speaker at 16 ohms....
BUT I was also gonna put a 3RD jack (jack #3) on there ONLY wired to ONE of the jacks (connected internally to jack #2 only) leaving one jack (jack #1) ONLY connected to the one speaker, the other jack (jack #2) connected to one speaker and ALSO connected to the 3RD jack (jack #3).... but both speakers still unconnected to each other...
So I could STILL use it with the TWO HEADS BUT If I wanted to I could ALSO use it as a 2x12 (both speakers with one head @ 8 ohms)... by then doing this....
I could run a jumper cable from jack #1 thats only connected to the one speaker by itself to jack #3 and then plug the amp into jack #2 thats running to it's speaker and also that 3RD jack (jack #3) already... thus connecting BOTH speakers making it an 8 ohm 2x12 cab...
Two heads into ONE cab! OR one head into a 2x12 cab! OR one head into only one 12" speaker.... would be versatile outta ONE cab...l
but ONE concern would be unwanted rattles or/ strange sounds by the un-used speaker or something like that!
Maybe some one will understand what i just wrote but I think it'd work and I'm gonna try it... the diagram is much easier to understand than trying to explain it... I'm sure somebody's already doing this on a production cab if it will work though...
MY crazy Idea for a REALLY cool 2x12...
if it would work maybe doc would like it and do it as an OPTION on his 2x12 cab... call it the "2x12 CONVERTABLE" option.... in keeping with the car themes... make your Z-28 and Carmen Ghia a "convertable"... with the 2x12 convertable cab. ;D ;D
That's a cool idea Jason. On the Earcandy page I think they call this option the Stereo/Mono/Combo jack. Check it out: www.earcandycabs.com/wiringoptions.htm I'd be interested to know exactly how they hook that up. I bet it's just like you said. If you try it please let me know. I may hit you up for some pointers. I had a hard enough time trying to figure out how to go from parallel to series wiring...
Post by JASON (aka jgleaton) on Jul 13, 2006 19:50:03 GMT -7
I knew somebody MUST have something like this already....
Don't know how well this sketch will turn out or if you can make it out but THIS is what I was thinking of using my old fender 2x12 cab as a guinea pig... and if it worked well I was gonna do it to my THD cab with the two 50 watt weber ceramics in it...
BE COOL in a cab very similar to DR Z's 2x10 is made... as small as it can be and still fit 2 x12's in it... with a slot in the back (semi open back) just like the Z 2x10 and 1x12... just slightly bigger and pretty lightweight...
and of course you could use two 8 ohm speakers to make it a 4 ohm load when using them together with say a CARMEN GHIA and a Z-28 since they DON'T have the 16 ohm outs (they only have 8 and 4 ohm outs)....
would be a NEAT grab n go cab for use with a couple of small amps like that the Ghia and the Z-28 OR with 50 watt (or higher) rated speakers you could even use a maz 38 or Stingray and maybe an RX ES.... together into one cab... one into each 12" speaker. and STILL be able to combine them using the speaker jumper cable.. and turn it into a 2x12 for a bigger/ louder gig... ??
anyway I thought it would work... and it would be EXTREMELY SIMPLE to wire up and make it.
Post by billyguitar on Jul 14, 2006 10:49:55 GMT -7
A bit offthread but you guys are reminding me of something we did back in the early 70s. Our stage looked cool because both guitars and the bass player all had Dual Showmans. The bass player also used a folded horn 1 x 18 with his for more beef. The guitar amps always set up on the outside. I had the bright idea to wire our speakers to separate jacks and then we would run a cord over to each other's bottom speaker. The idea was each guy would plug his head into the top speaker and then the other would be coming out of the bottom speaker, thinking it would help us do Allman Bros harmony parts better. WHAT A FIASCO! Volume wars out the butt just trying to hear yourself! In the 80s and early 90s I was playing in a real good covers rock band. I was using a Marshall 1987X reissue head into a Marshall 4 x 12 bottom that was wired for stereo. I used a Dual Showman head into two of the 12s and the Marshall head into the other 12s. That made a rig that could cover anything. I've also had thoughts of wiring my Z 2x 10 cab this way so on quiet jobs my Stang Ray could just be run thru one 10".
Jayson, I've wanted to do that ever since I had my Z best and Z/28, Ghia, that is...run two heads, each to a dedicated speaker in the same cab yet retain the stock jack for use as a single 2x12. I would not need the single 12 option as I have several to choose and would opt for one of those for weight/floor space reasons.
Must be a great idea as several are thinking along the same lines. I may do this with my 2x12 open back with a pair-O-Texas Heats when the SRZ comes home
Post by JASON (aka jgleaton) on Jul 29, 2006 21:53:52 GMT -7
!!! IT'S ALIVE !!!
GUY'S I DID IT TO MY THD 2X12 AND IT DOESN'T JUST WORK..... IT WORKS GREAT!!!
AND..... No unwanted vibrations or bad sounds when using only one speaker at a time with 2 heads and A/B ing between them.....
heres a couple of pics (sorry for them being blurry... not a real good camera) with the newly added jack at the top...
*Jack at top is jack #1 wired ONLY to the 8 ohm Weber Alnico 50 watt Blue dog to the left....
*Jack bottom right is jack #2 and is wired to the 8 ohm Weber Alnico 50 watt silver bell AND also wired to Jack #3
*Jack at bottom left is jack #3 and is only wired over to jack #2
And this is the cab hooked up to 2 heads at the same time using Jack #1 and #2.... #1 Blue dog is hooked to a Stingray and #2 Silver Bell to an RX ES... #3 is unused...notice the Pro cables N sound cables... thanks Todd... now I need you to make me a short speaker cord with angled ends for this one...
And this is the Cab hooked up to run BOTH speakers converting it back into a 2x12 @ 4 ohms from one head plugged into Jack #3.... Jack # 1 and #2 are plugged into each other using a short speaker cable, and connecting the two 8 ohm speakers in parallel @ 4 ohms. running a RX ES.... ROAR!
A very tight, light and compact setup that is right down prowlers alley! The THD is a GREAT cab and perfect for this setup as it has 2 jacks already wired together... but you could use any cab... I hesitated to do this to the cab but now I'm glad I did... will be fun to use in a tight spot...
I'll be wiring up my 9x10 in similar fashion. Only my wiring will allow 1x10, 4x10, or 9x10, and they can all be different driver combos. I've been still trying to figure out if I want a bunch of different drivers and try to make this into a UniCab, or if I want all the drivers to be identical, and just vary the volume.
I bet a 9x10 is muy loud.
STANG RAY Head #82 w/ 2 Blues
"I predict that people will falsely attribute quotes to me online."-Benjamin Franklin
Glad it worked out. I'm thinking of trying this with an old 2x12 cab that I have sitting empty. I can load it up with a speaker for my dirty tone & a speaker for my clean tones. Then I can use an amp switcher to go between both and only have to take one cab along.
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