Onkyo M504 amp questions?

Dabutcher
Dabutcher Posts: 2,596
edited September 2010 in 2 Channel Audio
What is the reason for the ground screw in the back of this amp? And if it is important,what do I ground it to? Second question is I love the sound from this unit . I think I want more power than the 165 watts per channel. One of my ideas is to buy a matching M504 and use one for each of my front towers bridged. Can these amps be bridged. As always, thanks for any help. Darryl
MIT Magnum MH-750, Monster HTS 5100MKII, Sony 77" Class - A80CJ Series - 4K UHD OLED,PS4, Def Tech 15” sub,LSIM 706c, Sunfire Signature Grand 425 x 4,Parasound hca 120, LSiM 702 x 4, Oppo 103D, SDA SRS 1.2, Pioneer Elite SC63 , Pioneer Elite BDP-05 “Why did you get married if you wanted big speakers?”
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  • halo71
    halo71 Posts: 4,603
    edited September 2010
    I have a M504 as well and am pretty sure its not bridgeable. I have never hooked up the ground on mine. Would assume you would connect a wire from the turntable to the amp though if you are getting a hum. I am running Monitor 10's off mine and would love to have another M504 to run them separate. Don't really need it, just want it! lol
    --Gary--
    Onkyo Integra M504, Bottlehead Foreplay III, Denon SACD, Thiel CS2.3, NHT VT-2, VT-3 and Evolution T6, Infinity RSIIIa, SDA1C and a few dozen other speakers around the house I change in and out.
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  • George Grand
    George Grand Posts: 12,258
    edited September 2010
    I don't think you can bridge those but if you get another you can bi-amp horizontally or vertically if those Polks will allow.
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