forensis Posted May 15, 2018 Share Posted May 15, 2018 I have a Markbass Backline 250W that has a 1/4 jack out put and a speaker output. Does this mean I could run two cabs from this amp? I connected headphones to the jack while the speaker was connected to a cab. I got a mono signal to the headphones and the cab seemed to work normally. Any observations from anyone? I was thinking of trying build another cab but don't want to waste my time if I'm missing something. Quote Link to comment Share on other sites More sharing options...
Daz39 Posted May 15, 2018 Share Posted May 15, 2018 Why not plug a dual connector/daisy chain thingy to the speaker output? Quote Link to comment Share on other sites More sharing options...
pete.young Posted May 15, 2018 Share Posted May 15, 2018 According to the manual, it has 2 speaker outputs: one Speakon/Jack combination, and one Jack socket, located directly underneath the Speakon ouput. You can run a second cab off the Jack but make sure that the total load is 4 Ohm or greater: ie use 2 x 8 Ohm cabs, not one 8 and one 4 . Quote Link to comment Share on other sites More sharing options...
fretmeister Posted May 15, 2018 Share Posted May 15, 2018 Many amps only have 1 output. If you want another cab you daisy chain the cabs. The cab socket is wired in parallel. just make sure your build has 2 sockets in parallel. And that the total load doesn’t go under the minimum your amp can cope with. Quote Link to comment Share on other sites More sharing options...
forensis Posted May 15, 2018 Author Share Posted May 15, 2018 (edited) Thanks for these replies. If I daisy chain how does this affect impedance? Does this mean 2 x 8ohms = 4ohms? PS found the answer to this in are earlier thread. Thanks everyone. Edited May 15, 2018 by forensis Quote Link to comment Share on other sites More sharing options...
forensis Posted May 15, 2018 Author Share Posted May 15, 2018 And thanks for the info from the manual that is useful. Quote Link to comment Share on other sites More sharing options...
fretmeister Posted May 15, 2018 Share Posted May 15, 2018 3 hours ago, forensis said: Thanks for these replies. If I daisy chain how does this affect impedance? Does this mean 2 x 8ohms = 4ohms? PS found the answer to this in are earlier thread. Thanks everyone. Yes, and the outputs on the amp are parallel too. So either way 2 x 8 = 4. Quote Link to comment Share on other sites More sharing options...
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