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3TX goes active

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Mark Wilkinson:
Gave a go at switching a 3TX from its passive crossovers, to a tri-amped setup, kinda just for the heck of it.
Used the Danley/Linea SC-48 for processing, with it's LIR filters (which use 13ms latency)

First plot, red trace is 3TX alone, green trace is on top of two stacked single 18"s.

Impulse plot is 3TX and subs together.

Timo Beckman:
That looks pretty good  :o

Almost as good as the RM25ac from fulcrum but thats a single point source Studio reference monitor not a system with a separate sub so latency is about 4ms afaik.
https://timobeckmangeluid.files.wordpress.com/2016/10/rm25ac-strt.png?w=2000 (screenshot is without any eq or anything else straight out of the box in a non acoustic friendly room).
So it's a 4 way system?
Do you have a zero smoothing plot and onax vs ofax?

Nathan Riddle:
Do you have a plot of the passive one to compare?

Peter Morris:

--- Quote from: Mark Wilkinson on August 22, 2017, 02:09:48 PM ---Gave a go at switching a 3TX from its passive crossovers, to a tri-amped setup, kinda just for the heck of it.
Used the Danley/Linea SC-48 for processing, with it's LIR filters (which use 13ms latency)

First plot, red trace is 3TX alone, green trace is on top of two stacked single 18"s.

Impulse plot is 3TX and subs together.

--- End quote ---

That looks great Mark  ... so how do they sound? 

It would also be interesting to compare the active Vs passive response and phase.

Does the amp have any all-pass filters that you could use to get the phase response even flatter so it actually looks exactly like the response of Nathan's Fulcrums ?

Peter

Mark Wilkinson:

--- Quote from: Timo Beckman on August 24, 2017, 05:01:55 PM ---That looks pretty good  :o

Almost as good as the RM25ac from fulcrum but thats a single point source Studio reference monitor not a system with a separate sub so latency is about 4ms afaik.
https://timobeckmangeluid.files.wordpress.com/2016/10/rm25ac-strt.png?w=2000 (screenshot is without any eq or anything else straight out of the box in a non acoustic friendly room).
So it's a 4 way system?
Do you have a zero smoothing plot and onax vs ofax?

--- End quote ---

Hi Timo, thx.  Yep, it's a 4-way system, measured off of a back-of-house deck...as reflection free as I can easily/reasonably get.

First plot is same one posted earlier, but with no smoothing.

Second is a set of off axis horizontals, 10 degree increments out to 40 degrees. (60 degree horn)
Red trace is on axis, light blue right on top of red is 10 deg, the rest are more obvious.
I don't have any verticals yet.

I'd love to hear your RM25ac !

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