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#425497 - 05/10/17 02:13 PM Re: LFRs Improve Your Image [Re: Ian]
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 6205
Loc: Bowmanville, Ontario, Canada
Originally Posted By Ian
So if the rear of the LFRs are running around 10 ohms and the front around 4 ohms you would need 2.5 times the power to the front (10/4). An ADA1000 for the rear at 250 watts and an ADA1500 for the front at 650 watts works out pretty well.

So this is where we get into the dumb questions - if the rear is running 8-10 ohms then doesn't that reduce the power available from an ADA-1000 to 125W from 250W (presumably a function of rail voltage) ?


Edited by bridgman (05/10/17 02:13 PM)
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M60ti, VP180, QS8, M2ti
M5HP, M40
LFR1100, soon to be active
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#425499 - 05/10/17 03:51 PM Re: LFRs Improve Your Image [Re: bridgman]
Ian Offline
President
connoisseur

Registered: 03/13/01
Posts: 1289
This is the confusing part, but try to think of the power in terms of SPL instead of watts. The watts are just a number to achieve the desired SPL.
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Ian Colquhoun
President & Chief Engineer

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#425543 - 05/12/17 09:07 PM Re: LFRs Improve Your Image [Re: Ian]
chesseroo Offline
axiomite

Registered: 05/13/02
Posts: 5212
Loc: western canada
So i got this email the other day about this rather incredible deal. It really has me thinking.
I've been contemplating a change out of the M60s for some time for numerous reasons. I thought about getting some Monitor Audio speakers (now making many more 3-way designs) and keeping the M60s for the kids into the future.
But, a 100% trade in value?

This is seriously tempting.

Ian, expect to see a PM in your inbox. I have questions.
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"Those who preach the myths of audio are ignorant of truth."

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#425546 - 05/13/17 01:58 AM Re: LFRs Improve Your Image [Re: Ian]
Captain4105 Offline
veteran

Registered: 01/11/09
Posts: 133
Loc: Southern California
Hi Can I assume that I will not get full price for my M80v3's if I trade up to LFR880's if purchased through B-Stock or as refurbished?

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#425734 - 06/05/17 12:04 AM Re: LFRs Improve Your Image [Re: Ian]
dakkon Offline
connoisseur

Registered: 02/08/04
Posts: 1863
Cheese. I went from m60's to LFR's. At the time i was considering a pair of pre-owned wilsons... I'm glad i went with the LFR's.


Ian, what if one wanted updated cabinets.. But wanted to maintain their serial number and signatures....


Would that be worth while? I know there have been some updates to the cabinet design..

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#425737 - 06/05/17 05:28 PM Re: LFRs Improve Your Image [Re: bridgman]
Cohesion Offline
local

Registered: 03/27/12
Posts: 285
Loc: Maple, Ontario, Canada
Originally Posted By bridgman
We need to get someone to take away Ian's pair of 1500-2's, replace them with a single 1500-4, and see what happens smile


That sounds like me! Except I bought my own stuff and Ian still has his...

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#425738 - 06/05/17 05:30 PM Re: LFRs Improve Your Image [Re: dakkon]
Ian Offline
President
connoisseur

Registered: 03/13/01
Posts: 1289
Hi Dakkon,

It may be worth considering a trade-in for the v4 LFR1100s as you would get the new tweeters, woofers, crossovers, and code too. We can figure out a good deal for you on that and keep your special rear labels.
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Ian Colquhoun
President & Chief Engineer

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#425739 - 06/05/17 05:31 PM Re: LFRs Improve Your Image [Re: dakkon]
Cohesion Offline
local

Registered: 03/27/12
Posts: 285
Loc: Maple, Ontario, Canada
Originally Posted By dakkon
Cheese. I went from m60's to LFR's. At the time i was considering a pair of pre-owned wilsons... I'm glad i went with the LFR's.


Ian, what if one wanted updated cabinets.. But wanted to maintain their serial number and signatures....


Would that be worth while? I know there have been some updates to the cabinet design..


I updated mine but had to send back my original set and get new ones. I never asked but I'm sure that signatures could be redone on your new set.

This upgrade is very worthwhile! I see Ian just posted that you could just get your labels moved.


Edited by Cohesion (06/05/17 05:33 PM)
Edit Reason: Ian's post beat mine by 1 min

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#431320 - 02/16/19 11:20 AM Re: LFRs Improve Your Image [Re: Ian]
Mojo Online   content
axiomite

Registered: 01/21/07
Posts: 5759
For those of you with LFRs, I am curious about a couple of things.

Do any of you have them set up assymetrically in a room? By that I mean do you have one closer to a sidewall than the other? I am curious what such placement would have on soundstage and imaging performance.

My other question has to do with imaging precision. I am not new to omni-directional speakers. I owned 601s and have listened to 901s and Mirages. Also KEFs that advertise the large sweet spot. I am far more impressed with the holography of the soundstage from my M5s and M100s than any of the above (there's just no comparison). Now I know the LFRs are far more refined than all the above but I can't help but be skeptical about imaging precision. I was listening to Jacques Loussier on M5s last night and I swear the percussion was 3 feet outside my livingroom window and the piano was well inside and 6 feet away from my left M5. Can I get that kind of performance from LFRs?

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#431658 - 03/28/19 06:37 PM Re: LFRs Improve Your Image [Re: Ian]
CV Offline
Founder, Axiom Upgrade Club
shareholder in the making

Registered: 07/20/06
Posts: 11734
Loc: Richland, WA, USA

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