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[Dave VanderWal]

Hello,
I hope someone can give me some info.
I recently picked up a set of Evolution Acoustic Engineering bass bins (2-15"each) that are being driven by a Peavey CS1000 amp. Only the kick drum and bass guitar are run on this system.
The problem is, even though the system works with my old speakers, the kick drum does not come through these new speakers (input signal is showing on amp)
If I connect my keyboard, set it to a drum kit, everything sounds fine.
All I can think of is that the crossover in the speakers must be rated too high, or the crossover is faulty.
As I am only running low frequencies in, can I eliminate the crossover in the speakers to test things out and see if it works.
Thanks

[Keith Broughton]

Hello,
I hope someone can give me some info.
I recently picked up a set of Evolution Acoustic Engineering bass bins (2-15"each) that are being driven by a Peavey CS1000 amp. Only the kick drum and bass guitar are run on this system.
The problem is, even though the system works with my old speakers, the kick drum does not come through these new speakers (input signal is showing on amp)
If I connect my keyboard, set it to a drum kit, everything sounds fine.
All I can think of is that the crossover in the speakers must be rated too high, or the crossover is faulty.
As I am only running low frequencies in, can I eliminate the crossover in the speakers to test things out and see if it works.
Thanks

You can test the speakers without the crossover.

[Ivan Beaver]

Hello,
I hope someone can give me some info.
I recently picked up a set of Evolution Acoustic Engineering bass bins (2-15"each) that are being driven by a Peavey CS1000 amp. Only the kick drum and bass guitar are run on this system.
The problem is, even though the system works with my old speakers, the kick drum does not come through these new speakers (input signal is showing on amp)
If I connect my keyboard, set it to a drum kit, everything sounds fine.
All I can think of is that the crossover in the speakers must be rated too high, or the crossover is faulty.
As I am only running low frequencies in, can I eliminate the crossover in the speakers to test things out and see if it works.
Thanks

I can't possibly see how a speaker could reproduce drum sounds from a keyboard and not from a drum set.

The crossover is THE LAST thing I would look at.

If it is working with the keyboard, then it has to work with real drums.

Something else is wrong.

HOWEVER it could an intermittent connection that different levels are causing it to work or not-but that is a completely different issue (in my mind).

Or there is something else you are not telling us.

[Kevin Bayersdorfer]

Hello,
I hope someone can give me some info.
I recently picked up a set of Evolution Acoustic Engineering bass bins (2-15"each) that are being driven by a Peavey CS1000 amp. Only the kick drum and bass guitar are run on this system.
The problem is, even though the system works with my old speakers, the kick drum does not come through these new speakers (input signal is showing on amp)
If I connect my keyboard, set it to a drum kit, everything sounds fine.
All I can think of is that the crossover in the speakers must be rated too high, or the crossover is faulty.
As I am only running low frequencies in, can I eliminate the crossover in the speakers to test things out and see if it works.
Thanks

What is your order of components from microphone for the kick drum to the bass bins

[Paul G. OBrien]

I recently picked up a set of Evolution Acoustic Engineering bass bins (2-15"each) that are being driven by a Peavey CS1000 amp.

Did you acquire the PV amp with the speakers? Do you perhaps have the amp set to bridged mono with speakers connected to both L and R outputs?

[Ivan Beaver]

Did you acquire the PV amp with the speakers? Do you perhaps have the amp set to bridged mono with speakers connected to both L and R outputs?

I did not think of that.

If the keyboard "drum" sounds were in stereo, they would come through (although not correctly because one side would be out of polarity), but a mono drum sound would cancel.

Nice thinking

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