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#74944 - 12/12/05 09:20 PM 970 and 4 ohm speakers
iardon Offline
Gunslinger

Registered: 12/07/05
Posts: 73
Hi guys,

Haven't received the 970 yet but it seems from looking at the manual there's no way to set it for 4 or 8 ohm speakers. My current preamp, an old Onkyo 696, has a switch in the rear for either 4 or 8 ohms. I'll be using the 970 with the 7100 amp. Will the ohm type be automatic with my setup.

Thanks.
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Onkyo PR-SC886 (Retired Outlaw 970)
Outlaw 7100
Outlaw 200 Monoblock x2
M&K 851 for L/C/R
Axiom QS8 for SL/SR/1SB
SVS Pb12-ISD/2 (x2)
Sony VPL-HW15 (Retired Infocus 7205)
Sony PS3 / Pioneer DV-533

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#74945 - 12/12/05 09:26 PM Re: 970 and 4 ohm speakers
Keta Offline
Desperado

Registered: 12/29/02
Posts: 358
Loc: Central VA
The 970 has no amplification built in. The external amps would see the speaker load instead.

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#74946 - 12/12/05 10:25 PM Re: 970 and 4 ohm speakers
gonk Offline
Desperado

Registered: 03/21/01
Posts: 14054
Loc: Memphis, TN USA
Keta has hit the issue firmly on the head: the 970 is a pure processor, so the only component that directly sees the speakers is the Model 7100 amp. The amp does not include a selector for ohms because it is equally stable with 4 ohm speakers and 8 ohm speakers. Receivers that rely on the 8/4 ohm switch typically use it reduce the rail voltage in the 4 ohm position to prevent overheating when low impedance speakers incur a greater current flow. Separate amps lack the switch because they simply serve up the extra current.
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gonk
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