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MMG amping options with Integrated that has A+B speakers

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Posted on April 23, 2007 at 03:15:11
Garold


 
The integrated amp I'm considering for MMGs, Onkyo A-9555, has
terminals for two sets of speakers A+B, which of course can
be played at the same time. What are my options in varios ways
of amping/modding the MMGs? Can I bypass MMG's crossovers?

 

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Re: MMG amping options with Integrated that has A+B speakers, posted on April 23, 2007 at 03:28:52
briano


 
Just go the traditonal route, i cant think of any advantage to using both sets of terminals, remember its just an extra set of terminals , not amplfiers.

 

Using both outputs, posted on April 23, 2007 at 04:59:42
fin1bxn@msn.com
Audiophile

Posts: 1741
Location: new jersey
Joined: November 15, 2005
If I remember correctly, when you use both sets of outputs at the same time, it drops the impeadance to the amp providing the same power to both sets. If you want to bi-wire the speakers you can go to both outputs

 

Agree. I've not modded a MMG for bi-wiring/bi-amping, posted on April 23, 2007 at 05:01:08
so I do not know what is involved. I'd just run the MMGs straight.


Henry

Mushrooms are the opiate of the mooses

 

Re: Agree. I've not modded a MMG for bi-wiring/bi-amping, posted on April 23, 2007 at 06:05:31
sunseeker
Audiophile

Posts: 677
Location: WY
Joined: April 16, 2005
Use A or B not both. A or B min. 4ohms, A+B 8 ohm min. Labled right on rear of AVR.

 

Re: Using both outputs, posted on April 23, 2007 at 07:58:05
Dawnrazor
Audiophile

Posts: 11414
Location: N. California
Joined: April 9, 2004
Fin,

Do you mean ONE output for biwiring? (Once the necesssary modifications are made that is)

 

Re: Using both outputs, posted on April 23, 2007 at 10:11:28
fin1bxn@msn.com
Audiophile

Posts: 1741
Location: new jersey
Joined: November 15, 2005
Use Left from a output to LF and Left from B output to HF and do the same with the Right channel outputs. (Agian only if you set the speaker up for bi-wire. Its almost like getting double the wattage out of your amp. But remember it will tax the amp and possibly burn it out if you kept it cranking for extended periods.

For normal listening you will be doubling the power at the speaker, therefore giving you more headroom

 

Re: Using both outputs, posted on April 23, 2007 at 10:53:03
Dawnrazor
Audiophile

Posts: 11414
Location: N. California
Joined: April 9, 2004
I agree with you. it just wasn't clear from the post.

Because the amp works harder, I found that on my old infinities, I much prefered a bi-wire from the A terminals vs. running A+B. Bu tthat probably depends on the amp.

 

Re: Bypassing crossovers?, posted on April 23, 2007 at 14:19:31
Garold


 
Thanks for the feedback everyone.

So what are the possible ways to bypass the MMG's crossovers?

 

Re: Bypassing crossovers?, posted on April 23, 2007 at 16:17:30
Dawnrazor
Audiophile

Posts: 11414
Location: N. California
Joined: April 9, 2004
Rip them out if you want to get an active crossover and connect 2 amps directly. I put binding posts directly on the drivers, but that is a major modification. Most would just unhook the crossovers and use the existing tabs and some good wire.

Otherwise, if you want to passively bi-amp, you could manke new crossovers and modify them to bi-amp.

 

Onkyo A-9555, posted on April 24, 2007 at 09:33:42
RickeyM
Audiophile

Posts: 2059
Location: East Coast
Joined: March 15, 2003
Just curious about your choice of the Onkyo integrated? What led choose this unit? I'm not knocking the choice, it just doesn't seem to have a high current output capability. Maggie's, even MMG's, are current hungry. Could there be a better choice for the money?

 

Re: MMG amping options with Integrated that has A+B speakers, posted on April 24, 2007 at 19:11:48
MaggieLover
Audiophile

Posts: 1648
Location: Central New Jersey
Joined: November 1, 2006
I wonder if the preamp and amp sections of this moderately inexpensive receiver are good enough to make biwiring, biamping, or a new external crossover worthwhile. Has anyone actually heard this receiver with Maggies?

 

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