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#96233 - 01/14/17 02:46 PM balanced outputs
ShuninXuo Offline
Deputy Gunslinger

Registered: 01/26/12
Posts: 2
Hi. Does anyone know if the 990's balanced out are at +4db, or -10db?

I know that balanced outs are generally +4, but to my understanding that may not always be the case.

So if anyone knows if balanced outs are always +4db, or if not, if the 990 outputs are +4db or -10db, It would be great to get a definite answer.

I appreciate any help i can get.

Edited by ShuninXuo (01/14/17 02:47 PM)

#96236 - 01/15/17 12:34 PM Re: balanced outputs [Re: ShuninXuo]
XenonMan Online   content

Registered: 04/08/08
Posts: 2542
Loc: Columbus,North Carolina
Outlaw Ben will need to answer this one.
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

#96239 - 01/16/17 12:02 PM Re: balanced outputs [Re: ShuninXuo]
Outlaw Ben Offline


Registered: 10/31/13
Posts: 190
It won't quite break down that easy for consumer gear, like the Model 990 or even our Model 975. If you are feeding a recording interface, the appropriate setting would be +4dBu. -10dBV would only be expecting some where around 300 - 320mV - wouldn't surprise me if the Model 990 overloaded that input stage as it is capable of outputting over 1V.

#96246 - 01/18/17 03:21 PM Re: balanced outputs [Re: ShuninXuo]
ShuninXuo Offline
Deputy Gunslinger

Registered: 01/26/12
Posts: 2
Thanks for the help!

I recently got a Behringer Inuke1000DSP amplifier to power my subwoofer, and I was worried the output from the 990 wouldn't be powerful enough. After setting it up, it works great. Holy crap the Inuke is a big step up from the old 300 watt plate amp I was using before.

Thanks again.

#96561 - 04/28/17 12:25 PM Re: balanced outputs [Re: ShuninXuo]
Deromax Offline

Registered: 11/05/07
Posts: 57
Loc: Shawinigan, PQ, Canada
I feed my 990 L-R outputs to a pro digital crossover which has its 0 dBfs point at +22 dBu. The 990 is able to clip the crossover, so the outputs have great headroom (the spec is 9Vrms max). There won't be issues with *any* downstream components.
Eric Desrochers

" I hear no highs, I feel no lows, it sounds like crap, it must be Bose "


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