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Genzler Amplification Club

While probably not the designed purpose, I took my 350/12T-v combo to an outdoor acoustic jam yesterday. Turned way, way low it still sounded good. Full range that was clean and clear across the full fretboard. A good sound, not boxy, just quiet enough for un-amplified acoustics and a cajon.
I play mine with a jazz quartet (guitar, vibes, drums and me) at outdoor gigs like farmers markets and it works great. I don’t think I ever run it past noon on the master.
 
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Perhaps, though that is not a feature which I would typically use mid-song. YMMV, though.
True enough but some may for a solo.

personally I dislike turning my back to the audience to fiddle with my amp. Can’t be helped sometimes but there you go. I see where you’re at with that also - the likelihood that the knobs would be the same on different contours is unlikely. Perhaps it is mostly useless after all now that I think about it.
 
I now have two practices down so far with a pair of BA15-3 SLT's and I wanted to share some more thoughts.

Last night’s practice was very revealing. I had the MG-800 with me, and as expected, this combination was much more transparent and revealing. In fact, it pointed out just how good of a job the BA15-3 SLT’s do at letting the sonic qualities of the other gear shine through, as it really sounded like an “Ampeg rig” when I was using the 7Pro. It also proved to be very revealing of the various basses I played through it (and highlighting the fact that at least one of those basses is in desperate need of a string change, and one needs a truss rod tweak).

The real fun came when comparing the two BA15-3 SLT’s to my triple BA12-3 stack (with an SLT in the middle of two "straight" cabs). I set the MG-800 to the 2.67 Ohm setting for this comparison, and I realize I’d get a bit more power out of the two 15’s in the 4 Ohm setting, but volume was no issue. The three 12’s were more full/round/warm and had noticeably better off-axis dispersion. What really caught my attention though was that the two 15’s were more clear, clean, articulate, “fast,” and pristine sounding. It felt like they had more deep lows, but not as much “upper lows to low mids.” In truth, during practice, I did feel that the transition from the lowest lows up through the middle of the mids was a bit unbalanced (I was running the MG-800 set flat). That being said, I found that if I set the Mid frequency to a touch above 150Hz and gave the Mids a slight boost, this really brought things into balance and gave me all the added fullness I wanted, but maintained the clarity and articulation.

I have not tried this rig with upright yet, but I am guessing that with my old Kay, it will be spot-on with the EQ set flat.

I have been able to play through a number of different combinations of Genzler cabs, and the MG-800 with a pair of BA15-3 SLT's is definitely the best iteration of a "Genzler rig" my personal needs. :bassist: :bassist: :bassist:

Gig testing on July 4th, and frequency/impedance measurements to come in the full review. :thumbsup:
 
I now have two practices down so far with a pair of BA15-3 SLT's and I wanted to share some more thoughts.

Last night’s practice was very revealing. I had the MG-800 with me, and as expected, this combination was much more transparent and revealing. In fact, it pointed out just how good of a job the BA15-3 SLT’s do at letting the sonic qualities of the other gear shine through, as it really sounded like an “Ampeg rig” when I was using the 7Pro. It also proved to be very revealing of the various basses I played through it (and highlighting the fact that at least one of those basses is in desperate need of a string change, and one needs a truss rod tweak).

The real fun came when comparing the two BA15-3 SLT’s to my triple BA12-3 stack (with an SLT in the middle of two "straight" cabs). I set the MG-800 to the 2.67 Ohm setting for this comparison, and I realize I’d get a bit more power out of the two 15’s in the 4 Ohm setting, but volume was no issue. The three 12’s were more full/round/warm and had noticeably better off-axis dispersion. What really caught my attention though was that the two 15’s were more clear, clean, articulate, “fast,” and pristine sounding. It felt like they had more deep lows, but not as much “upper lows to low mids.” In truth, during practice, I did feel that the transition from the lowest lows up through the middle of the mids was a bit unbalanced (I was running the MG-800 set flat). That being said, I found that if I set the Mid frequency to a touch above 150Hz and gave the Mids a slight boost, this really brought things into balance and gave me all the added fullness I wanted, but maintained the clarity and articulation.

I have not tried this rig with upright yet, but I am guessing that with my old Kay, it will be spot-on with the EQ set flat.

I have been able to play through a number of different combinations of Genzler cabs, and the MG-800 with a pair of BA15-3 SLT's is definitely the best iteration of a "Genzler rig" my personal needs. :bassist: :bassist: :bassist:

Gig testing on July 4th, and frequency/impedance measurements to come in the full review. :thumbsup:

I only own the 410 cab but that mid setting you did is very close to one I have used on a couple of gigs now with great success. I rolled all the way back to the 150hz point and just barely boost that frequency and it just really pushes the bass through in some of those weird, tone sucking rooms. In most places though I just run it flat with no contour and all is well.
 
I only own the 410 cab but that mid setting you did is very close to one I have used on a couple of gigs now with great success. I rolled all the way back to the 150hz point and just barely boost that frequency and it just really pushes the bass through in some of those weird, tone sucking rooms. In most places though I just run it flat with no contour and all is well.

a little over that 150 has been working well for me on a 12-3 stack.

72419AD9-0850-4BF5-9F2D-6668C1682FED.jpeg


sorry just noticed it’s not powered on - this is clean, “A” contour.
 
You may need to tweak it a bit to match your bass/taste. I found it a little low mid heavy in its own but quite sweet with the band. It also seems to be around the frequency you can really feel...

I used a looper and fiddled till I liked it best...final tweaking on the mid boost was with the band (before that it wasn’t as aggressive - maybe 1 o’clock)
 
I’ll share my thoughts on the BA15-3 SLT paired with the BA410-3 from my recent gigs last weekend. Like Tom mentioned the BA15-3 has a nice deep, full sounding low end with definition. The BA410-3 has nice aggressive mids and a smooth top end. Combined was just amazing. My settings typically are straight up at noon with a little cut at 500hz on the mids, contour around 10 o’clock. I had to cut the bass down to about 10 o’clock and used a little less of a cut at 500hz. Man, this just sounded so full and and every frequency clear.

Note: I also use a Darkglass B7K Ultra to dial in a bit of mild breakup on the highs/high mids. The arrays really let you hear that and with the fullness of the BA15-3 and attack of the BA410-3 it truly is a massive sound at any volume.

Stepping away from the rig let’s you really hear what’s going on and the slight slant on the entire rigs brings that to ear level. 5 string players would love this setup. I’m strictly 4 bangers but the BA15-3 would punch that B string like no other. I do use D-Tuners and drop D sounds killer.

It’s safe to say the new BA15-3 SLT will work as a stand alone cab, a stack with another one or the BA210-3 or paired with the BA410-3 for the ultimate rig.

Building Blocks...Genzler Style!
967299CF-8966-4487-8953-57F6AB31188D.jpeg
 

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