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#431832 - 04/13/19 12:31 PM Re: LFR1100 Active [Re: Ian]
Mojo Online   content
axiomite

Registered: 01/21/07
Posts: 6341
Rich, it was an educated guess on my part from the stand-by spec Axiom gave for the DSP subs. I'll see if I can dig up the manual. It's not on-line.

Regarding the LFR centre, I expect the sound will still be localized to the center but it will sound wider and more dispersed like in a movie theatre. Perhaps it's only best for larger rooms like mine...dunno...I've never heard it. It's one of those mysteries Ian created, tucked away on the site, waiting for someone to discover it and yell "Eureka! It's freakin' amazing!!"

I want it!
_________________________
A-LFR/1000-8/500v4x2 coming
1000-2,3,1500-3
100,160,QS10x2,800,M5,M3,M50 v4
had v2
Air N2 (someday)

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#431833 - 04/13/19 12:37 PM Re: LFR1100 Active [Re: Ian]
Mojo Online   content
axiomite

Registered: 01/21/07
Posts: 6341
Nothing in the manual on stand-by power and it's a PITA to try and measure it safely.

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#431839 - 04/13/19 03:18 PM Re: LFR1100 Active [Re: rrlev]
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 6225
Loc: Bowmanville, Ontario, Canada
I think the idea is to try and provide a smooth continuum from left through center and right, rather than having only right/center/left positionings (oversimplifying obviously).

When I went from VP100 to VP180 I found that the center signal was now "wider" (not a surprise) and that the result seemed much more natural and true to the video (that was a bit of a surprise) as a result.
_________________________
M60ti, VP180, QS8, M2ti, EP500, PC+ 20-39
M5HP, M40
LFR1100 actives picked up Friday 13th

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#431840 - 04/13/19 03:21 PM Re: LFR1100 Active [Re: Ian]
Mojo Online   content
axiomite

Registered: 01/21/07
Posts: 6341
"When I went from VP100 to VP180 I found that the center signal was now "wider" (not a surprise) and that the result seemed much more natural and true to the video..."

Ditto when I went from 150v2 to 160v4. Plus, much higher fidelity and understandability.
_________________________
A-LFR/1000-8/500v4x2 coming
1000-2,3,1500-3
100,160,QS10x2,800,M5,M3,M50 v4
had v2
Air N2 (someday)

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#431843 - 04/14/19 09:23 AM Re: LFR1100 Active [Re: Ian]
Mojo Online   content
axiomite

Registered: 01/21/07
Posts: 6341
Did you all notice the five position BGC switch on the active LFR DSP? Since there are 2 DSPs, the boundary gain can be adjusted on a per LFR-basis. This might come in very handy.
_________________________
A-LFR/1000-8/500v4x2 coming
1000-2,3,1500-3
100,160,QS10x2,800,M5,M3,M50 v4
had v2
Air N2 (someday)

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#431857 - 04/15/19 10:00 AM Re: LFR1100 Active [Re: rrlev]
Andrew Offline
Axiom Engineer
local

Registered: 12/18/01
Posts: 280
Originally Posted By rrlev
Can anyone tell me what kind of standby power each axiom DSP consumes?
How about a 5 channel 1500 axiom amp?

If I shut off or turn on power to the wall outlet which supplies the DSP and Axiom amp does it power down it power down and up gracefully?

Just wondering if leaving the active LFRs on all the time consumes a lot of energy and if it does would it make sense to switch it off remotely.


Your best bet for minimal power consumption and longevity would be to use a trigger to put both amplifiers in standby mode when not in use, or turn them off altogether using the rear switch.

Each DSP consumes approximately 9W.
An ADA1500-5 in standby mode (trigger off or front panel button turned off) consumes approximately 20W.
When turned on and active, the ADA1500-5 will consume approximately 90W at idle.

Thanks,

Andrew

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#431861 - 04/15/19 12:40 PM Re: LFR1100 Active [Re: Ian]
Mojo Online   content
axiomite

Registered: 01/21/07
Posts: 6341
I love the sound of toroid magnetostriction on the 1500 in the morning. Therefore I always turn it off to get that small joy in my life.
_________________________
A-LFR/1000-8/500v4x2 coming
1000-2,3,1500-3
100,160,QS10x2,800,M5,M3,M50 v4
had v2
Air N2 (someday)

Top
#431863 - 04/15/19 08:23 PM Re: LFR1100 Active [Re: Andrew]
rrlev Offline
local

Registered: 09/25/09
Posts: 212
Loc: Boston Area
So LFR1100 Active uses 60W even when off ...

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#431865 - 04/15/19 09:00 PM Re: LFR1100 Active [Re: Ian]
Mojo Online   content
axiomite

Registered: 01/21/07
Posts: 6341
Indeed. 58W to be exact.
_________________________
A-LFR/1000-8/500v4x2 coming
1000-2,3,1500-3
100,160,QS10x2,800,M5,M3,M50 v4
had v2
Air N2 (someday)

Top
#431867 - 04/15/19 10:14 PM Re: LFR1100 Active [Re: Ian]
rrlev Offline
local

Registered: 09/25/09
Posts: 212
Loc: Boston Area
Are the DSPs tuned for each speaker? Which is what I'd expect on a high end active crossover.

Over time the DSP code is bound to improve. How will these updates be handled?

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