880prs network mode muting q

[nismos14 5,000+ posts]

I don't know.... a 4150 xxk and a 4050xxk could get it done realistically. When you run active you don't need gobs and gobs of power necessarily. A 4150 running 85x2 to the midbass 320x1 to the substage, and a 4050 running 45 x 4 to the tweets and midrange would be plenty imo.

 

[CAMSHAFT 10+ year member]

or two 2500XXK and a 4150xxxk

or two 2150SE and two 2300SE

//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[nismos14 5,000+ posts]

Mmmm Arc amplifiers...... //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[CAMSHAFT 10+ year member]

Yes sir!!

 

[Flipx99 5,000+ posts]

Correctly splitting the signal becomes the issue

 

[nismos14 5,000+ posts]

Yea gotta get a processor //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

 

[Flipx99 5,000+ posts]

I still think it is possible if I split the "HIGH" signal between a 2" dome and a tweeter. The main issue becomes getting the amp to bandpass the midrange.

It's easily done on paper, just not cheaply done.

 

[nismos14 5,000+ posts]

You could end up with overlap.. if the HU is highpassing the tweet and midrange then they will see the same freq highpassed, the issue then becomes the tolerances all change because you'd be running them in parallel off the output.. (I assume?) then all the capacities change for the in line hpf's/lpf's..

 

[Flipx99 5,000+ posts]

Care to explain further?

Maybe I am thinking about it too simply

If you cross the tweeter a 1.25k (the 880s lowest setting) and split that signal to a 4 channel amp.

On two channels you would bandpass at say 1.25k and 3k

On the other two, you would HPF at say 3k

The problem with my method is that you don't gain very much and it only assists from 1.25 - 3k, and I could fix that with an EQ.

Another possibility (if the midbass/midrange are close [within a couple inches]) is to split the midbass signal between the midbass/midrange. Lowpass the MID signal at 80Hz (from HU) and then highpass at 3.1k (from HU). Use the crossovers on the amp to highpass at say 500 Hz. Bandpass the midrange 600 - 3.1k

 

[nismos14 5,000+ posts]

Care to explain further?
Maybe I am thinking about it too simply

If you cross the tweeter a 1.25k (the 880s lowest setting) and split that signal to a 4 channel amp.

On two channels you would bandpass at say 1.25k and 3k

On the other two, you would HPF at say 3k

The problem with my method is that you don't gain very much and it only assists from 1.25 - 3k, and I could fix that with an EQ.

Another possibility (if the midbass/midrange are close [within a couple inches]) is to split the midbass signal between the midbass/midrange. Lowpass the MID signal at 80Hz (from HU) and then highpass at 3.1k (from HU). Use the crossovers on the amp to highpass at say 500 Hz. Bandpass the midrange 600 - 3.1k

Maybe I'm confused, are you going to be running 2 amps for the 3 way set-up?

Your 2nd method seems to be more logical to me as the midbass would be good to probably around the 500 mark, then you can run the midrange from 600 + to 3k..... The only issue I'm seeing here is that you are going to run into issues when you wanna change the crossover settings, the active setup is by no means a set it and forget it type of crossover

 

[Flipx99 5,000+ posts]

2 four channel amps.

I understand you lose some flexibility, but also save some funds in the process.

 

[CAMSHAFT 10+ year member]

If you were to do the two 4 channel design, I would do it in a Dual Mono set up.

 

[nismos14 5,000+ posts]

Do you know what amps? And what type of xovers they will have? Seems like you can definately accompish what you want with your plans.

 

[Flipx99 5,000+ posts]

Depends....

The digital design c4 + s4 is the best combo (I like matching amps)

The c4a does 100x4@4ohms, so that can handle the midrange and tweets

The s4 does 100x2@4ohms and then 200x2@4ohms. However, the rear channels can bridged to do 700@1 ohm.

According to the link, I should be able to bandpass that midbass with the c4 to make it work correct.

http://www.ddaudio.com/dd/amp/amp.asp?series=S

http://www.ddaudio.com/dd/amp/amp.asp?series=C

 

[Flipx99 5,000+ posts]

If you were to do the two 4 channel design, I would do it in a Dual Mono set up.

care to explain?