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4107 Views 3 Replies Latest reply: Jan 8, 2010 7:25 PM by cgtrox RSS
Peeweepeat Just Startin'
Peeweepeat
8 posts since
Jan 7, 2010
Currently Being Moderated

Jan 7, 2010 10:03 AM

Help with connecting Spider Valve MKII into extention cabinet

Hey, im new to the forums and have found lots of information on here but, tbh, i have no idea what im doing when im using amps and cabinets, I dont understand the OHMS at all!!! And tbh i probably never will XD

 

Well yes... anyway... I am thinking of buying a Spider Valve MKII 212 combo amp Cos i have a spider III, and wanted to buy a spider iv, but decided to save for the tube version! Anyway... on the back on the SV, it has 2 output thingy mabobs, A (8ohms single out i think), and B (4ohms single, or 8 ohms pair).... Now this is my question...

 

Can I use the 2 speakers in the combo AS WELL AS the 2 speakers in a 2X12 extention cabinet? so... is sorta makes a half stack sort of XD

 

If I can, please can you explain what the OHMS has to be on the back on the cab, and also, what wattage? Cos i dont really know these things And can someone explain what stereo and mono is on a cabinet? Cos i dont understand?

 

I found this 2X12 extention cabinet.

 

A Marshall MC212 - I has 2 12 inch speakers, 130 W, its mono ohms is 4, and its stereo ohms is 8 (i dont understand this)

 

Ive attached a picture of the back of the cab

 

 

If this cabinet can't be used can you please suggest ones which will? (Budget for cab is up to £300), and also what should I look for in the cab like the OHMS and stuff

 

I really appreciate any help you can give me, thanks

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Tags: cabinet, connect, cab, spider, 212, help, valve, sv, mkii, extention
  • cgtrox Expert Line 6 User
    cgtrox
    1,638 posts since
    Jan 25, 2007
    Currently Being Moderated
    Jan 7, 2010 2:01 PM (in response to Peeweepeat)
    Re: Help with connecting Spider Valve MKII into extention cabinet

    Yes, sort of. The 2x12 combo has two 16 ohm V30's wired in parallel like so....

     

     

    parallel.gif

    2 x 8 ohm speakers = 4 ohm load

    2 x 16 ohm speakers = 8 ohm load

     

    and so...

     

    http://line6.com/spidervalvemkii/insouts2.html    (it doesn't match the pic exact but the end result is the same)

     

    making it a single 8 ohm load which is why they are using the "A" speaker output. Now the cab you showed has the option of two 8 ohm seperate loads or a 4 ohm mono load. So, the cab is wired in parallel as well meaning there are two 8 ohm speakers inside. If you want to run that speaker cab in conjunction with the internal speakers I would not recommend it. You will first have to move the plug from "A" to "B" and then find another cab with output for an 8 ohm load and plug it into "B" as well. Or, you could just use ONE of the 8 ohm speakers in your cab in conjunction so you will have three speakers going. NEVER PLUG SPEAKERS INTO "A" AND "B" AT THE SAME TIME!!

     

    cgtrox

    • Peeweepeat Just Startin'
      Peeweepeat
      8 posts since
      Jan 7, 2010
      Currently Being Moderated
      Jan 8, 2010 1:16 PM (in response to cgtrox)
      Re: Help with connecting Spider Valve MKII into extention cabinet

      Hey, thanks for the quick response Found it really helpful thanks

       

      So I found an amp called a HARLEY BENTON G212 VINTAGE, and ive attached a picture of the back of it, and one of the inputs in 8 ohms mono, so correct me if Im wrong... On the Valve MKII, i plug the internal speaker cable into the B section, and then with an speaker cable connect the OTHER B connection to the Harley Benton Extension cabinet??? Does this work?

       

      And one more question (Sorry about all of them ) if I plug into mono, does that mean only one speaker will work? I, again, appreciate anything you can tell me Thankyou

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