Making your own speaker impulses without the speaker

I made a theoretical Marshall 4x15 cab impulse by opening an impulse of a 4x12 and moving the waveform forward to simulate the lower frequency response.

Can you post a WAV sample of what you did?
Koz

You can download it from https://www.dropbox.com/s/tggehpmiof17q91/4x15%20Marshall.wav?dl=0