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Question about Bass Cab Speaker Pairing / Dimension / math etc.

#66
raketenmann said:
Deal Community

I know that probably a lot of you will argue that my plans are no good, but still I am trying to figure out if it could work or not :-)

I am a guitar player that plays sometimes bass. I like old school sounds, nothing super deep modern. I like Ampeg or Orange Bass tones. So I have this old Carlsbro Cab fom the late 60ies that was built for guitar, a Tall 4x12 cab, which is oversized and way bigger than a regular Marshall 4x12. I would like to convert it to a bass cab - the speakers need to be replaced and I have no use for another guitar cab, but I love that cab for its style, therefore I would like to keep it and probably use it sometimes for bass tone. I know, it is likely not to be eathshaking and for most of modern bass players not satisfying - but as we all know Lemmy also played a 4x12 cab and had a tone that at least some bass players find adorable.
So I would liket to but in 4 Celestions Pulse 12, making the cab an 8 Ohm 800 watt cab.

I am just wondering if this will be a somewhat working pairing for my needs? I know some speakers are not made to be used in closed cabs, but I think the Pulse 12 can do that.

The inside dimensions of the cab would be 280mm deep, 725mm wide and 915mm high.

What are your thoughts? I am very curious!
Click to expand...
i believe lemmy used a 412 for the treble side of his rig. he biamped (rics are stereo) and in those cases they run the bass half through proper bass gear, and use a high pass filter and guitar gear for the distorted high frequencies. that allows guitar gear for the treble stuff.

cab builders can likely make you a look alike to what you want, but build it to a proper depth/spec for true bass.

my take: build your guitar cab as a guitar cab and split your signal with a high pass filter and stereo rig (done via ric or stereo setup or digital splitter). Run a proper bass amp/cab for your clean low end, and a guitar amp/cab of your choice with the high pass filter (old rics had a built in capacitor to do this, modern ones have it too).

i do it and it effing rocks when you add drive to the guitar end. note, i still use bass cabs for my guitar amp side… but i do use a guitar amp (sometimes).

some things are best done right. otherwise i think you will be dealing with undesired compromises.
 
Last edited:
#71
i know my answer may not be what the op wants to hear, but sometimes doing it right the first time is the best way. No cost in your time and doing some math if you want to see what is possible with your idea. but loud, compact, cheap… pick any two.
 
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