How and What ?

[pt5bass]

I'm currently running a GK BL600 amp paired up with a GK BL 4x10 and a Peavy 4x10 with Scorpion speakers. I've also got a Peavy 2x15 cab with Black Widows in it. I wanna use all 3 cabs to get the punch and bottom that I want. I know I need another amp to do this....but the questions are:

1. What kind of amp should I get?

and

2. How do I set this up?

 

[Johnny Mack]

i think theres a box called speakermate or something like that... it can take your different configurations and put them in different impedances. you may be able to use what you have. check the minimum impedance (ohms) on the amp. check impedances on the cabs. if your amp only goes to 4 ohms, you cant run these 3 together.
in parallel, impedance = (cab1*cab2)/(cab1+cab2)
for 3 cabs, calculate 2 then use that as 'cab1'' with the 3rd as 'cab2'
8 ohm + 8 ohm = 4 ohm
8 ohm + 4 ohm = 2.67
4 ohm + 4 ohm = 2 ohm
8 ohm + 8 ohm + 8 ohm = 2.67 ohm
8 ohm + 8 ohm + 4ohm = 2 ohm
8 ohm + 4 ohm + 4ohm = 1.6 ohm
4 ohm + 4 ohm + 4ohm = 1.33 ohm

 

[pt5bass]

If the impedance thing is ok......how do I run 3 cabs from 2 speaker outputs without another power amp....or whatever.

 

[Johnny Mack]

you can daisy chain them. the two jacks on a cab are parallel, so one cable from amp to cab1, then one cable from cab1 to cab2 is the same as using both amp jacks for two cabs. then just hook up cab3 to either cab2 or the other amp jack. in theory (forgetting impedance for a second) you could hook up unlimited cabs with one amp jack, as long as the speaker cabs had two jacks.

 

[SERPENT865]

The BL600 will not do what you want .
Buy a amp , run a cord from the BL600 FX loop send to the amps input .

 

[pt5bass]

THANKS MAN.....I appreciate your quick and intelligent responses......PEACE. Mike

 

[q1014]

hey to tack on if u add just one 4 ohm cab would the head run at 4 ohms