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    Connecting spark to a 4x12 cab sounds weird

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    • Emmanuel Bahena J
      Emmanuel Bahena J last edited by

      Hey, i used my headphone line out to connect it to my Marshall DSL100’s return in order to use de poweramp section so I could rehearse with it. The thing sounded gritty, strange, too muffled. Would it sound the same if instead of using my Marshall’s power section, I used a magnum 44 poweramp pedal? Has anyone gotten a good sound out of the spark through a speaker cab? I then connected it to my rehearsal room’s PA with an RCA cable and it sounded awesome. What’s the problem? What’s the correct way of doing this?

      robfitton jonrdamesr 2 Replies Last reply Reply Quote 0
      • robfitton
        robfitton @Emmanuel Bahena J last edited by

        @emmanuel-bahena-j
        The headphone out is a signal that already has an emulated power amp and speaker cab shaping the sound. You are adding another power amp and speaker on top of that, so I wouldn't ever expect it to sound good. A decent FRFR system would work - like direct to the PA.

        Emmanuel Bahena J 1 Reply Last reply Reply Quote 0
        • jonrdamesr
          jonrdamesr @Emmanuel Bahena J last edited by

          @emmanuel-bahena-j Get a pair of HeadRush FRFR108s, a headphone left/right splitter cable, and make it scream! Amp speakers will color the sound. Go all flat response.

          Emmanuel Bahena J haraldvt 2 Replies Last reply Reply Quote 1
          • Emmanuel Bahena J
            Emmanuel Bahena J @robfitton last edited by

            @robfitton im sorry, what’s an FRFR?

            1 Reply Last reply Reply Quote 1
            • Emmanuel Bahena J
              Emmanuel Bahena J @jonrdamesr last edited by

              @jonrdamesr what is a left/right splitter cable? Can I plug that in to a magnum 44 power amp, and make my randall 4x12 cab scream?

              1 Reply Last reply Reply Quote 1
              • jonrdamesr
                jonrdamesr last edited by

                @emmanuel-bahena-j FRFR stands for Flat Response, Full Range. Those are the kind of speakers the Spark has. They do not change the sound like an amp speaker made just for guitar. The splitter cable is for the headphone jack, so you can send each side Left/Right to that speaker. Otherwise you will end up with stereo signals to each speaker and it sounds awful. I just happen to have a HeadRush set up and tried it out. It sounds great, and gets very loud. There are other brands than HeadRush. I just loved the name! :-)

                Emmanuel Bahena J 1 Reply Last reply Reply Quote 1
                • Emmanuel Bahena J
                  Emmanuel Bahena J @jonrdamesr last edited by

                  @jonrdamesr thank you so much for the help!! So I’m planning on buying a magnum 44 power amp, do I still need the splitter? Or am I ok without it. Anyways, if I were to add the splitter, I would just need an adapter to convert the other end to a standard guitar jack right?

                  jonrdamesr 1 Reply Last reply Reply Quote 0
                  • jonrdamesr
                    jonrdamesr @Emmanuel Bahena J last edited by

                    @emmanuel-bahena-j Not sure. Why the Magnum 44? You will still need 2 Flat Response powered speakers. Spark to HeadRush FrFr Diagram.jpg

                    1 Reply Last reply Reply Quote 1
                    • haraldvt
                      haraldvt @jonrdamesr last edited by

                      @jonrdamesr i have the same, but the headrush FRFR108 makes a bright hum - do you have as solution for this? tks + rds

                      jonrdamesr 1 Reply Last reply Reply Quote 0
                      • jonrdamesr
                        jonrdamesr @haraldvt last edited by

                        @haraldvt I get a slight hum but nothing too bad. Are you plugged into a power conditioner or a power strip? That can reduce noise.

                        1 Reply Last reply Reply Quote 1
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