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#95058 - 04/25/15 11:07 AM XLR 34db gain vs RCA 28db
elwaylite Offline
Gunslinger

Registered: 09/23/12
Posts: 33
Since adding the 7500, marantz and larger and more efficient Klipsch towers, I have an Audyssey issue.

Towers are set at -9.5db upon completion, and center is bottomed out at -12db. Luckily, the center is matching well with the fronts SPL wise after talking with Audyssey, but the larger Klipsch center I intend on getting may be an issue.

A 6db inline attenuator was suggested, between the Marantz and 7500 for the center (may do all 3), but I am wondering if the gain difference in the XLR channel would be a better move (use balanced instead of unbalanced). Or would that do nothing/make things worse?

Thanks.

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#95059 - 04/25/15 12:01 PM Re: XLR 34db gain vs RCA 28db [Re: elwaylite]
XenonMan Offline
Desperado

Registered: 04/08/08
Posts: 2676
Loc: Columbus,North Carolina
I think it would make it worse by about 6 db since the XLR gives about that much MORE gain than the RCA connection. Try using a handheld meter to verify the reference level.
_________________________
Music system
Model 990/7500/Magnepan 1.6 QRs/Technics SL1200 MK2/Aperion S-12 Subwoofer/OWA3/Sony NS75H DVD
APC H15 Power Conditioner

TV System
Large Advent Loudspeakers/ Polk center/Monoprice surrounds/Panasonic Viera 42 inch/Onkyo HT-RC260/Sony BDP S590/Directv


Home Theater System
Onkyo PR-SC886/Outlaw 7125 Klipsch RF-82 L/R,RC-62 center, RB-35 SR/SL, BENQ HT1075, Outlaw LFM1-EX/OPPO BDP-83/Directv
Harmony ONE
Blue Jeans and Monoprice interconnects
APC H15 Power Conditioner

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#95060 - 04/25/15 12:03 PM Re: XLR 34db gain vs RCA 28db [Re: elwaylite]
elwaylite Offline
Gunslinger

Registered: 09/23/12
Posts: 33
Thanks, that is what I was thinking and have been reading.

I did verify with my meter, the mains are right around 75db, and the center is 1/2 to 1 db higher. I am going to add a nice 6db attenuator to the center RCA to bring this in line.


Edited by elwaylite (04/25/15 12:03 PM)

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