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12-08-2003, 03:03 AM
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#1 of 8 
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Member
Location: Eastern Washington
Join Date: Dec 2003
Local Time: 01:14 AM
Local Date: 11-19-2008
Posts: 142
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Connecting Seperate amps to a SR501 Onkyo.
I found out what I'm getting for christmas (from my wife). Had to pay some hospital bills so my $800 budget has dropped to $230.
I had my choice of A/V recievers for under $230 so I chose the Onkyo sr501 for $190.
Now here is the dilema:
I have 3 NAD 218THX amps that I want to run (but the Onkyo only has one preamp out-the sub. What I was thinking was running a single rca to double rca splitter off the sub out to one of the 218THX bridged-this to my Shiva 12" in custom enclosure. My question with this is if the sub output from the ONkyo is tuneable-am I going to be able to cut it off at 60hz?
Okay Now I know I won't be able to use the other two NAD 218s but can I use one to drive my front mains if I run the audio out from the Video1 to the 218thx and then not connect the mains to the Onkyo?
AS I am envisioning this I'll only use the Onkyo to drive the rear surrounds and the center-will this work? Will it sound worse (since I'm using a combination of integrated amp and seperates) than using just the ONKYO?
thanks for your time fellas (and ladies).
rogo
\"Those who long for exaltation look upwards, but I look downwards for I am the exalted.\"
Thus Spake Zarathustra
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12-08-2003, 01:28 PM
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#2 of 8
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Join Date: Nov 2003
Local Time: 01:14 AM
Local Date: 11-19-2008
Posts: 5,468
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The entry level Onkyo seems out matched by your other equipment, but with that said, after extensive installation, testing, and eval of the Onkyo SR-501, I must say, I think it would benefit greatly from being relieved from some of it amplification duties, with external amps.
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12-08-2003, 06:52 PM
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#3 of 8
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Member
Location: San Jose, Ca.
Join Date: Jun 1999
Local Time: 06:14 PM
Local Date: 11-18-2008
Posts: 11,228
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You can use speaker level to line level outputs to be able to feed these amps, however this is not ideal and since this is a recent receiver, you could proably sell it at a decent price and go pick up a 601, which I believe does have full preamp outs.
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Okay Now I know I won't be able to use the other two NAD 218s but can I use one to drive my front mains if I run the audio out from the Video1 to the 218thx and then not connect the mains to the Onkyo?
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Nope. No volume control if you do this, because you will not have a preamp stage.
"The trouble with the world is not that people know too little, but that they know so many things that ain't so." - Mark Twain
HT: Marantz SR-8300, MA500 monoblocks x 2, 5X GR Research A/V-2s, Adire Audio Tempest sub, Denon 2900, Oppo 980H, Toshiba HD-A2, RC2000MkII remote, Panamax 5100, Panamax Max2 sub, Slim PS2, PS3 60G + 320G USB
Bedroom: Marantz PM-7200 Integrated, GR Research A/V-1s, Sony 222ES SACD, RC3200 remote, Panamax M8EX
Audio: Audioquest * Video: Bluejeans
My DVDs  My HT
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12-08-2003, 07:51 PM
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#4 of 8
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Member
Location: Katy, TX
Join Date: Aug 1999
Local Time: 07:14 PM
Local Date: 11-18-2008
Posts: 6,501
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Also:
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What I was thinking was running a single rca to double rca splitter off the sub out to one of the 218THX bridged-this to my Shiva 12" in custom enclosure.
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Check your NAD’s manual, but typically if you bridge an amp you need only one input.
Regards,
Wayne A. Pflughaupt
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12-11-2003, 02:47 AM
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#5 of 8
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Member
Location: Eastern Washington
Join Date: Dec 2003
Local Time: 01:14 AM
Local Date: 11-19-2008
Posts: 142
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Thanks for the replies fellas.
I decided on the HKavr225 instead of the 501.
I'm only going to use the sub linelevel out to a 218thx and will just have to start saving (hospital bills are deadly) for either a NAD or Outlaw PRE, and will just have to live with the 225.
I really appreciate all the feedback 
thanks
rogo
\"Those who long for exaltation look upwards, but I look downwards for I am the exalted.\"
Thus Spake Zarathustra
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12-11-2003, 02:49 AM
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#6 of 8
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Member
Location: Eastern Washington
Join Date: Dec 2003
Local Time: 01:14 AM
Local Date: 11-19-2008
Posts: 142
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John G
I looked all over for the cheapest avr with preamp outs and it was a refurb pioneer for $300 but it was OS.
ONkyo's 701 has the preamp outs but it is beyond my budget 
rogo
\"Those who long for exaltation look upwards, but I look downwards for I am the exalted.\"
Thus Spake Zarathustra
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12-11-2003, 12:32 PM
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#7 of 8
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Member
Location: San Jose, Ca.
Join Date: Jun 1999
Local Time: 06:14 PM
Local Date: 11-18-2008
Posts: 11,228
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Marantz SR5300 has full pre-out and can be had for $429 (refurb) from www.ac4l.com.
"The trouble with the world is not that people know too little, but that they know so many things that ain't so." - Mark Twain
HT: Marantz SR-8300, MA500 monoblocks x 2, 5X GR Research A/V-2s, Adire Audio Tempest sub, Denon 2900, Oppo 980H, Toshiba HD-A2, RC2000MkII remote, Panamax 5100, Panamax Max2 sub, Slim PS2, PS3 60G + 320G USB
Bedroom: Marantz PM-7200 Integrated, GR Research A/V-1s, Sony 222ES SACD, RC3200 remote, Panamax M8EX
Audio: Audioquest * Video: Bluejeans
My DVDs My HT
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