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#419678 - 07/01/16 09:23 AM Re: Revel? [Re: AAAA]
Ian Offline
President
connoisseur

Registered: 03/13/01
Posts: 1301
I would be careful doing this without a blessing from the speaker manufacturer. Our M80HP, M100, LFR880HP, and LFR1100s are designed to handle crazy power (regular M80s and LFR880s crossed into a subwoofer are good too). But most speaker manufacturers will not recommend you do this and the speakers will blow up.
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#419679 - 07/01/16 09:42 AM Re: Revel? [Re: AAAA]
AAAA Offline
connoisseur

Registered: 03/28/14
Posts: 1593
Thanks smile

I am being very careful and will not go full voltage mode. This thing has scary power.

I no longer beleive all amps sound the same. At all. This one is ragged and a little bit slow sounding. (If that is possible.) But holy snap the power. It just sounds like its not even trying. This is what I want. I turned down the L/R preamp output by -6db. I didnt touch the sub gain level. This should mean under 60hz I am losing bass output in stereo mode. The bass sounds fuller and punchier. Everything sounds more impactful.

Uh oh.

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#419681 - 07/01/16 11:11 AM Re: Revel? [Re: AAAA]
AAAA Offline
connoisseur

Registered: 03/28/14
Posts: 1593
I'm tempted to exchange the yorkville for 2 smaller studio amps at 560w bridged. They were all out when I picked this one up. This is just great. I want to try with a "cleaner" amp setup. This is meant for concert PA sound. It still sounds very good. I'm being fussy.

To all you Axiom owners in Canada-

Step 1: Rent an uber amp from long and Mcquade for a month and check it out. Pretty cool stuff even on my lesser speakers.

Step 2: curse me out and try to figure out how to budget for an ada 1500 setup. Like I'm doing.

BE CAREFUL. Lol.

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#419682 - 07/01/16 11:41 AM Re: Revel? [Re: AAAA]
MarkSJohnson Offline
shareholder in the making

Registered: 09/27/04
Posts: 11445
Loc: Central NH
When you posted that you wanted gobs of CLEAN power, I was going to tell you to just buy the Axiom amp.

It's only money, and I like spending other peoples'! smile
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::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::

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#419683 - 07/01/16 12:17 PM Re: Revel? [Re: AAAA]
Mojo Offline
axiomite

Registered: 01/21/07
Posts: 5948
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M100,VP160,QS10HPx2,EP800,M5HP,M3,M50 v4
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ADA-1000-2,3,1500-3
Air N2

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#419684 - 07/01/16 01:28 PM Re: Revel? [Re: AAAA]
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 6208
Loc: Bowmanville, Ontario, Canada
It might be worth a quick check to make sure the amp isn't punching up the bass response a couple of dB but what you are describing seems to match what I'm experiencing with a known (or at least believed-to-be) flat-response amp.


Edited by bridgman (07/01/16 01:37 PM)
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#419685 - 07/01/16 05:14 PM Re: Revel? [Re: AAAA]
AAAA Offline
connoisseur

Registered: 03/28/14
Posts: 1593
I might take some measurements without subs involved to confirm before and after amps. AVR vs Seperate vs Pro Amp. I dont expect them to measure any differently than when I tested before. Depends on the weather tomorrow. So far you are on the money John.

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#419689 - 07/02/16 10:15 AM Re: Revel? [Re: AAAA]
AAAA Offline
connoisseur

Registered: 03/28/14
Posts: 1593
One thing to note about this amp is the preout signal has to be as high as possible to avoid amplifying the preamp noise floor. I expect all high gain pro amps to be very similar. This could be an issue if mixing pro amps with consumer gear with lower gain.

I have made arrangements to try out 2 studio amps bridged at 560w/8 ohms each. For less rental fee ta boot.

The noise floor and seeming crosstalk between channels makes this a poor choice for critical listening. (Surprise) wink )My previous setup doesnt have the dynamics this yorkville does, but sounds like a scalpel by comparison. This is more like a cleaver. laugh A very enjoyable cleaver.

The measurements show no obvious embellishment of low frequencies with pink noise above the crossover point. I'm too nervous to run full range test signals (no subs) through my towers with this amp at reference level.


Edited by Serenity_Now (07/02/16 10:21 AM)

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#419843 - 07/24/16 02:17 PM Re: Revel? [Re: AAAA]
AAAA Offline
connoisseur

Registered: 03/28/14
Posts: 1593
Went through the studio amps rental test. Junk. Neither of them would produce piano without audible distortion at certain frequencies... worse when bridged. What!? There is a 3ch ADA-1500 right now on sale in a used USA audiomart. Tempted. I re-rented the yorkville after reading how to properly set preamp and amp gain levels. Definitely making plans for a permanent high powered solution now. smile

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