Is the Rotel RB-980BX common ground?

Refefer
Refefer Posts: 1,280
edited December 2006 in Electronics
My folks were kind enough to let me pick up a new amplifier for around $300 for my SDAs and I was looking at the RB-980BX. There is a nice one available on agon right now which I'd like to grab, but before I make the pickup I need to know if it's common ground for obvious reasons. I can't find anything in the manual (http://www.rotel.com/support/pdfs/manuals/rb980bx.pdf) to either end.

Any ideas?

Also, if this does happen to be isolated ground or whatever else, any other ideas for a musical amp for around $300 on the used mart?
Lovin that music year after year.

Main 2 Channel System

Polk SDA-1B,
Promitheus Audio TVC SE,
Rotel RB-980BX,
OPPO DV-970HD,
Lite Audio DAC AH,
IXOS XHA305 Interconnects

Computer Rig

Polk SDA CRS+,
Creek Audio 5350 SE,
Morrow Audio MA1 Interconnect,
HRT Music Streamer II
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Comments

  • dorokusai
    dorokusai Posts: 25,577
    edited December 2006
    Got a multi-meter? I doubt it isn't common ground, but a quick check for continuity between the negative binders will create a light bulb upon your head...kinda like a cartoon. Continuity = good.
    CTC BBQ Amplifier, Sonic Frontiers Line3 Pre-Amplifier and Wadia 581 SACD player. Speakers? Always changing but for now, Mission Argonauts I picked up for $50 bucks, mint.
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  • unc2701
    unc2701 Posts: 3,587
    edited December 2006
    It's got a bridge mono switch; it's common ground.
    Gallo Ref 3.1 : Bryston 4b SST : Musical fidelity CD Pre : VPI HW-19
    Gallo Ref AV, Frankengallo Ref 3, LC60i : Bryston 9b SST : Meridian 565
    Jordan JX92s : MF X-T100 : Xray v8
    Backburner:Krell KAV-300i
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