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-   -   PMC MB2i SE - Bi-amp or Single amp (https://www.audioaficionado.org/showthread.php?t=43103)

adol290 06-04-2018 11:03 AM

PMC MB2i SE - Bi-amp or Single amp
 
I have a pair of PMC MB2 SE on order.

I am trying to decide whether to use a single Bryston 28b3 on each speaker.
The 28b3 has dual binding posts, so one cable to the bass, and one cable
to the Mid/tweeters.

Or do a 7b3 on the bass and a 4B3 bridged on the midrange/tweeter.

I already have the 7b3's and 4b3 to do the bi-amp.

Has anyone tried bi-amping vs single.

essjay 06-05-2018 07:48 AM

single 28's with biwire.

Pyro 06-29-2018 07:56 AM

Single Amp to Single Cable to binding posts on Speakers here.

Pyro 06-29-2018 08:00 AM

Why don't you try the 7b3s first and hear if that's enough? Adding the 4b3 you will need an active crossover as well.

adol290 08-11-2018 12:34 PM

Well i am still waiting on the speakers, but good comments here.

I will try the 7b3's first.

And just for fun, i am going to run a splitter on my interconnects(no crossover) and try the 7b3's on the woofers and the 4b3's(in bridged mode) on the mids, with a jumper to the tweeters. Too bad i don't have a crossover to try.


BTW has anyone heard of any Board or electronic issues with the MB2 SE.

Just curious because i had a pair of Ib2i actives and had a number of issues
with the boards.

I also have a friend who has the Fact 12's and he had to send his speakers back for service due to electronic issues.

Just don't want that type of surprise again.

Pyro 08-11-2018 04:13 PM

What taps off your amps will you be using when bi-amping?

adol290 08-11-2018 05:31 PM

Quote:

Originally Posted by Pyro (Post 926619)
What taps off your amps will you be using when bi-amping?

Not sure if i understand your question.

The MB2's are 4 ohm. There is no selection on the bryston amps for 8 or 4 ohm.

Folkman 08-11-2018 06:48 PM

I think you will find the MB2se are 8 ohm.

Masterlu 08-11-2018 06:55 PM

Folkman... Welcome to AA! :wave:

adol290 08-11-2018 11:24 PM

Quote:

Originally Posted by Folkman (Post 926642)
I think you will find the MB2se are 8 ohm.

Interesting their site does say 8 ohm. But the IB2 SE and BB5 SE are 4 ohm.


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