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SVT 4-pro, Sansamp RPM, And a pedalboard conundrum

Discussion in 'Effects [BG]' started by Trailight, Jul 23, 2012.


  1. Trailight

    Trailight

    Oct 19, 2010
    Vancouver BC
    Endorsing Artist: Spector Bass / Darkglass Electronics / Tsunami Cables
    I've searched and haven't found the answer.

    Here's my setup:
    SVT 4-Pro
    SansAmp RPM
    Pedal board
    SSVT 810E

    What I would like, and I am not sure that it is at all possible is this:

    I'd want to run the top and the bottom of my 810E separate (so 410 and 410. One being a dirty channel only coming from the SansAmp, another being the clean channel and having the pedalboard effects running through it.

    Is this at all possible? Or am I fantasizing about something that simply can not be done?
    I know that the 4-pro can be bi-amped, but last time I tried doing so it ended up in disaster (87 parts later...).

    Thanks in advance!
    :bassist:
     
  2. My 8x10e only has one input. Is mine old or something?
     
  3. Trailight

    Trailight

    Oct 19, 2010
    Vancouver BC
    Endorsing Artist: Spector Bass / Darkglass Electronics / Tsunami Cables
    You should have 3 1/4" inputs (one for top only and 2 speakon inputs in the back.

    Like such: http://www.nagano-hardoff.jp/products/C-SVT810-3.JPG

    maybe yours is older...I am not sure.
     
  4. Gigabajillion

    Gigabajillion

    Sep 19, 2006
    Spring Hill, TN
    Endorsing Artist: Bluesman Vintage, Ernie Ball
    Great set up! Those 4pros are so versitle. Unfortunately, there really isn't a way to split up the 810 like that with what you have. Using the regular input on the cab is 4ohms and splitting it up to the 410 configuration it becomes 8ohms to each input. The 4pro can be biamped, but each side (A and B) are 4ohms. The amp will push too much and would cause damage. If you had two 410's you'd be set! If that were the case, you could use your fx/clean through A and take the output from the Sandsamp into the B "power amp in". Hope this helps :)
     
  5. Trailight

    Trailight

    Oct 19, 2010
    Vancouver BC
    Endorsing Artist: Spector Bass / Darkglass Electronics / Tsunami Cables
    I see, thank you. That actually makes sense.
    I know a friend of mine used two heads to power 2 810E's, one head was for the 4 top, another for the bottom.
    So he used 2 SVT 4 pros to power the bottom (clean) and one mesa boogie to power the top 4 (dirty channel)
    Still though, pushing a 4 pro onto only the bottom would make it 8ohm...? And thus would cause damage as well?
     
  6. Gigabajillion

    Gigabajillion

    Sep 19, 2006
    Spring Hill, TN
    Endorsing Artist: Bluesman Vintage, Ernie Ball
    So, he split each cab?
     
  7. Trailight

    Trailight

    Oct 19, 2010
    Vancouver BC
    Endorsing Artist: Spector Bass / Darkglass Electronics / Tsunami Cables
    Actually, one was split. There were 2 heads powering one 810 cab. One top, one bottom.

    The other 4-pro was mono bridged I believe.
     
  8. I have one. Mine is old I think. Its sure beat to hell.
     
  9. Gigabajillion

    Gigabajillion

    Sep 19, 2006
    Spring Hill, TN
    Endorsing Artist: Bluesman Vintage, Ernie Ball
    Hmmm, interesting way if doing it. Mono bridge for the full 810 and another 4pro for the bottom. Got it. But yes, the bottom of the split cab is still 8ohms and is not good for the rig.
     
  10. Gigabajillion

    Gigabajillion

    Sep 19, 2006
    Spring Hill, TN
    Endorsing Artist: Bluesman Vintage, Ernie Ball
    Sounds like you've got a great sounding cab :D
     
  11. Trailight

    Trailight

    Oct 19, 2010
    Vancouver BC
    Endorsing Artist: Spector Bass / Darkglass Electronics / Tsunami Cables
    That being said, why would the 810E have the ability to split 410 and 410...? Interesting.

    Thanks for your input by the way :)
     
  12. 254 stringer

    254 stringer Supporting Member

    Apr 15, 2010
    Waco Texas
    I think if you get something to split the signal out of the mono effects send and the go one to sansamp to return a and the other through your pedal board to return b it should work.
     
  13. Trailight

    Trailight

    Oct 19, 2010
    Vancouver BC
    Endorsing Artist: Spector Bass / Darkglass Electronics / Tsunami Cables
    NICE! Now we're getting somewhere!!! :D
    So like an A/B box to split the signal then. Interesting!! I need to look more into this! Good tip! Thanks! :bassist:
     
  14. Gigabajillion

    Gigabajillion

    Sep 19, 2006
    Spring Hill, TN
    Endorsing Artist: Bluesman Vintage, Ernie Ball
    You are welcome! :D I suppose the reason would be for more options. An example: Say you wanted to use an Eden 15 your buddy had, but liked the 10's punch a lot. You could use both. Most Eden's are 8ohms, you would take the A out and into the Eden, then the through out to the top 810E. The amp sees 4 ohms and you have a 410/15 combo.
     
  15. Gigabajillion

    Gigabajillion

    Sep 19, 2006
    Spring Hill, TN
    Endorsing Artist: Bluesman Vintage, Ernie Ball
    That would route right, but still pushing 4ohms at 8
     
  16. Trailight

    Trailight

    Oct 19, 2010
    Vancouver BC
    Endorsing Artist: Spector Bass / Darkglass Electronics / Tsunami Cables
    Damn it. :bag: :D
     
  17. Gigabajillion

    Gigabajillion

    Sep 19, 2006
    Spring Hill, TN
    Endorsing Artist: Bluesman Vintage, Ernie Ball
    Wai! Ok it has been a really lond day for me... I am sorry YES! you can do exactly that. As long as the number of the amp is lower than the cab I am sorry. I confused myself.
     
  18. Trailight

    Trailight

    Oct 19, 2010
    Vancouver BC
    Endorsing Artist: Spector Bass / Darkglass Electronics / Tsunami Cables
    No worries, PERFECT then!!!!!!! Get a splitter and split the signal coming from the mono! II will explore this tomorrow! :)
     
  19. Gigabajillion

    Gigabajillion

    Sep 19, 2006
    Spring Hill, TN
    Endorsing Artist: Bluesman Vintage, Ernie Ball
    Good luck!
     
  20. locisbrelm

    locisbrelm

    Nov 6, 2009
    Endorsing Artist: Spector Bass
    It can be done my friend. I would plug my bass right into the RPM. Then plug the Sansamp out into Power amp A of the Ampeg. Plug the uneffected out of RPM into the input of the pedal board, then to Ampeg input. Then use Power amp B as a full range Ampeg/effected tone.

    Make sure the "Stereo" button on the back of the Ampeg is out, set to Stereo.

    Bass - RPM
    RPM - Sansamp out - Poweramp A in - Power amp A out to top input of 810
    RPM - Uneffected out - pedalboard - Ampeg front input - Power amp B out to bottom of 810

    That set up should do what you want it to. Note you may have to control the volumes of each half of the cab separately.
     

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