Marantz AV8801 Preamp/Processor Official Owner's thread - Page 399 - AVS Forum
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post #11941 of 11958 Old 08-20-2014, 10:57 AM
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I just bought AV 8801 and MM8077 Amp. Question is how can I Bi-amp my Von Schweikert VR4-Jr Front speakers?

I thought I would plug in to the SL and SR outputs on amp and change settings in the processor, don't see an option.

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post #11942 of 11958 Old 08-20-2014, 10:57 AM
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I just bought AV 8801 and MM8077 Amp. Question is how can I Bi-amp my Von Schweikert VR4-Jr Front speakers?

I thought I would plug in to the SL and SR outputs on amp and change settings in the processor, don't see an option.

Keith
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post #11943 of 11958 Old 08-20-2014, 11:13 AM
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I also have VR-4Jr's and AV8801, unfortunately there is no option to set it up in the bi-amp mode.

Just use the RCA y-cable to drive 2 amps from a single Right or Left output. This setup sounds the best when driving Gemstone amp.

I wasn't getting good results with XLR y-cable setup, perhaps due to strange input impedance loading of my amps.

The Jr's sound much better when bi-amped.

- Alex
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post #11944 of 11958 Old 08-20-2014, 11:22 AM
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I forgot to mention, be carefully with your amp when bi-amping the lower section of your VR-4Jr. Your amp may not like driving 2.3 ohms load across the bass section.

- Alex
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post #11945 of 11958 Old 08-20-2014, 01:43 PM
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Could you explain that further? Lovely I spent the money to get XLR cables across the board.... So if I use RCA Y's to the amps channels 1&2 of 7 , the higher and lower section of speakers are different ohm loads?

Should I sell the amp and get some Parasound A21's, I really can't believe you can't bi-amp a $3000 AV Receiver
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post #11946 of 11958 Old 08-20-2014, 01:49 PM
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The AV8801 is not a receiver: it's a preamp/processor. Since it doesn't include internal amps, it doesn't need to include internal biamp features that receivers have to include. Whether or not you bi-amp is determined by how you connect it to the external amps that you have to add to it anyhow.

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post #11947 of 11958 Old 08-20-2014, 10:06 PM
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Quote:
Originally Posted by neverwouldof View Post
Could you explain that further? Lovely I spent the money to get XLR cables across the board.... So if I use RCA Y's to the amps channels 1&2 of 7 , the higher and lower section of speakers are different ohm loads?

Should I sell the amp and get some Parasound A21's, I really can't believe you can't bi-amp a $3000 AV Receiver
Yo got it, you can use either XLR or RCA y-splitter to route AV8801 left output and feed channel 1&2 of your amp, then route right output and feed channel 3&4 of your amp. Try both configurations to determine which one sounds best to you. In my case, I wasn't able to find an XLR y-splitter that sounded to to me. So I ended-up not-bi-amping my speakers (just bi-wiring) because my amp sounds the best through the XLR path.

Based on my measurements, the impedance of mids/highs VR-4Jr enclosure varies from 4 to 8 ohms across various frequency ranges.
The bass enclosure varies from 2.3 ohms from 60 to 120Hz and closer to 3~4 ohms at other frequencies.

I'm not sure if the Parasound amp can drive 2.3ohms loads for a long period of time at very loud levels without frying it. It will get HOT.

My amp is a Simaudio Aurora replica, so it easily drives my speakers via XLR or RCA when bi-amped.

- Alex

Last edited by AlxG; 08-20-2014 at 10:14 PM.
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post #11948 of 11958 Old Yesterday, 01:51 AM
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I have mine which is about a month old if anyone is looking.
MARANTZ AV 8801 like new

Sticker is still on it!
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post #11949 of 11958 Old Yesterday, 06:49 AM
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I have mine which is about a month old if anyone is looking.
MARANTZ AV 8801 like new

Sticker is still on it!
Upgrading to the 8803 Joe?

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post #11950 of 11958 Old Yesterday, 07:06 AM
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Possibly eventually. First is the 7009 and Onkyo 3030 Reviews.

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post #11951 of 11958 Old Yesterday, 07:17 AM
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Possibly eventually. First is the 7009 and Onkyo 3030 Reviews.
If I remember correctly you also have a Mcintosh ?
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post #11952 of 11958 Old Yesterday, 07:38 AM
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Upgrading to the 8803 Joe?
So we're skipping right over the 8802? I'll wait for the 8809.

Growing Older But Not Up
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post #11953 of 11958 Old Yesterday, 09:35 AM
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So we're skipping right over the 8802? I'll wait for the 8809.
Lol good pick up
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post #11954 of 11958 Old Yesterday, 09:45 PM
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So we're skipping right over the 8802? I'll wait for the 8809.
The 8901 will be so much better.

Marantz 8801 Arcam P1000 Oppo 95 SystemDek IIX turntable B&W LCR6 (front 3) B&W in ceiling surround speakers Velodyne SPL-10 Subs (2) Sony xbr65x850a
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post #11955 of 11958 Old Today, 05:26 AM
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The 8901 will be so much better.
I'm looking forward to that one. That has hdmi 9.0B.

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post #11956 of 11958 Old Today, 05:42 AM
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Yup ... and 16k video as well.

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post #11957 of 11958 Old Today, 06:40 AM
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Yup ... and 16k video as well.
Im there

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post #11958 of 11958 Old Today, 09:34 AM
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Quote:
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If I remember correctly you also have a Mcintosh ?
I am sick! Yes I have too many components which is why I need to trim down a few to make room for my new Reviews this fall. Just price dropped the 8801. A weekend sale if you will.

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