Jack 110 loaded with a 2510 and Omni 10.5, same driver. This shows the woofer response only.
The Jack has a larger reflex chamber, for better lows, and an improved woofer horn for stronger mids, while the addition of a phase plug extends the highs. Overall cabinet volume is unchanged.
Regarding the dip centered at 1.2kHz, that's a trade-off to get the increased sensitivity from 200 to 800Hz. Since power and excursion requirements are halved with each octave increase in frequency it's a very worthwhile trade.
Is the low end sufficient for electric bass? Yes. Wall loading is the key. This chart compares a 2510 woofer loaded J10 measured in half-space to one measured sitting on the floor less than two feet from a rear wall. The low end comes up on average 6dB, while response above 1kHz is unaffected.
Jack 110 and OTop 12:
Both cabs have the diffraction horn option, loaded with an ASD 1001 compression driver. The OTop is more sensitive, but trades off low frequency response. That's as it should be, as the OTop isn't supposed to be run without subs. Jack can run with or without subs.
Jack 210 with a twelve tweeter piezo flat array, 2.83v input.
Jack 110 with a melded array and the Yahama S115V.
OK, that's probably not fair, you'd expect our little 110 to beat a commercial cab twice its weight that can't be line arrayed and only goes for $400. We'll wrap this with a comparison of a Jack 110 loaded with an NSD 2005 HF driver to a similarly sized commercial cab that weighs 48 pounds and can be line arrayed, the JBL VRX932LA.
Oh, the price on the JBL is $2,150. But that includes shipping.
Comparisons of the different models with each other and commercial cabs.
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