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EMG ABC buffered blend

I figured I'd do a review since there is little info on this little device.

First off I have gone through my share of blends. A/C, M/N, 500k, 250k, ungrounded, even a 50k behind a bartolini buffer. I never really have been able to achieve the smooth blend I wanted.

I figured I'd give EMG's active blend control a shot. Ordered straight from emg. I was very impressed with the packaging. Install was pretty smooth. I was able to integrate some off the solderless cables into my existing harness. The provided volume looked like more trouble than it was worth, it's got like 8 terminals and no explanation of what they do, so I just dug out a 25k volume from my junk box of parts.

This blend was exactly what I was looking for. EMG nailed it with this one. Smoothest blend I have used on any bass. Gives you solo to solo and everything in between with no "weird" areas with sudden changes in tone. Also you get the bonus of no treble dimming that you get with passive blend/volume combo. I was a little worried with the front end impedance being only like 200K, but I didn't hear any loss of high end from the 500k volume and 250k unloaded blend. It does raise the overall noise floor a bit, but it's nothing major. About the same noise floor as my old OBP-3.

Highly recommend if you've been having problems getting a smooth blend. 50 bones is a bit much to drop on a blend, but if you've got wacky pickups that don't seem to want to blend well with normal blends, this is a great option.
 
I wonder if this control would be a good choice for their PJ Set? Say if someone (me) were to compare it with 3-way switching. Is the switch still considered superior if tone "darkening" (loading from the added pot) is a big concern?
 
I wonder if this control would be a good choice for their PJ Set? Say if someone (me) were to compare it with 3-way switching. Is the switch still considered superior if tone "darkening" (loading from the added pot) is a big concern?

If we disregard the effects of buffering, and focus strictly on the input impedance that loads on the pickups, then the three way switch will present a load less than or equal to that of the EMG blend control.

Assuming a 1M amp input impedance, paired with a 500k volume pot, the pickups sees a 333k Ohm input impedance with the 3 way switch scheme. Substituting a 250k pot, we would have a 200k Ohm input impedance. By contrast, the EMG blend control has an input impedance of 200k Ohms.

IMHO, these sort of comparisons are largely meaningless, and it would work out much better for you to just pick the control scheme that you find to be practical.
 
Yes. But obviously ABC will require power.

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The linked document seems to say something different though:

"The output impedance of the ABC is low, so the existing high resistance volume and tone controls will not work when placed after the ABC. The
volume control and active tone control (VLPF) included with the ABC are 25K Ohm. The active tone control (VLPF) is required for tone. Any of
the EMG Accessories like the EXB, BTC or BTS Controls, BQC or BQS Controls, or OEM Models B30eq or B64eq will work."
 
The linked document seems to say something different though:

"The output impedance of the ABC is low, so the existing high resistance volume and tone controls will not work when placed after the ABC. The
volume control and active tone control (VLPF) included with the ABC are 25K Ohm. The active tone control (VLPF) is required for tone. Any of
the EMG Accessories like the EXB, BTC or BTS Controls, BQC or BQS Controls, or OEM Models B30eq or B64eq will work."

Use different pots then. What is the problem?