phase linear 400

MusicSteve said:
Gene looks like a nice unit
are you going to use the pc? I like the EQ.
Click to expand...
it is a mixer...active crossover...parametric equalizer...was highly rated on internet....i just made up more cables....
i am sure glad i put my passive crossover outside the speaker cabinets ...so simple to do now...
 
i got dsp wired ....triamped...
3 400 amps....one for woofers....one for midrange...one for tweeters...
passive xover removed...
i can not believe how much of the mid and highs was being absorbed by crossovers...
the tweeters really came alive...
thanks for suggestion george....great idea...
even for youtube!!!
lol
 
Gene, curious if your noticing any difference in amplifier temperatures or getting a slight hiss on the tweeters with the volume turned all the way down. One forum member, can't recall who, built a tri-amp or quad-amp system with JBL driver's and solved a tweeter hiss problem by adding a resistor and cap if I remember correctly to the tweeter.
Isn't technology wonderful! It's amazing what these modern active crossovers can do. I looked long and hard for a old school active crossovers with physical knobs that would do stereo subs. I found none, yet most every DSP will do this. Even my old legacy MiniDsp 2x4 will. Have fun!
 
George S. said:
Gene, curious if your noticing any difference in amplifier temperatures or getting a slight hiss on the tweeters with the volume turned all the way down. One forum member, can't recall who, built a tri-amp or quad-amp system with JBL driver's and solved a tweeter hiss problem by adding a resistor and cap if I remember correctly to the tweeter.
Isn't technology wonderful! It's amazing what these modern active crossovers can do. I looked long and hard for a old school active crossovers with physical knobs that would do stereo subs. I found none, yet most every DSP will do this. Even my old legacy MiniDsp 2x4 will. Have fun!
Click to expand...
amps are much cooler...the woofer one gets a little warm..the other two do not...makes sense though as they are doing less work...i have not pushed it hard for an extended period of time yet....wanted to make sure the wiring and configs dont get a tweeter...it can easily happen as you already know..
i appreciate your advice...i really like the multiamp setup without parasitic drag!!!
i was surprised....
no noise..a slight relay click when dsp wakes up...inside the dsp...and of course the dcp relay clicks....no turn on turn off pops or clicks...no noise whatso ever... that i can can detect...i am still learning though....
it has a bt module that lets me configure it and operate it from android...to use a pc...one must use the provided usb cable to configure from pc...something strange i noticed...if you configure on pc..android cant see that config if you save it..and vice versa...evidently configs or presets as dayton calls them are stored on pc/android and not in the device....with the bt module you can stream directly to the dsp...from whetever..you can stream bt from pc...just no configure without cable...i really never thought i would notice the difference...but i did...so did maria...i will hook up the 200 tomorrow to tweeters as they use very little power..
barely move the meters...i want the 4 fin to drive the voigts...i will use seperate dac/preamp if there is a difference using the 200...i will look for another 400...but no hurry...i have a few spare boards and outputs and various parts...and i can always wopl if necessary!!! i am sure eventually they all will be upgraded as the fail in time...
this is my first go round with a dsp...they are quite advanced...took all day to make cables remove and rewire after removing the passive crossovers...moving the equipment and configuring dsp....no complaints...i enjoy!!!
i think a standalone dsp would be very expensive and quite restrictive...computers just do it easier and more completely...
take care
 
got the pl200 driving the tweeters now....i think is functioning just fine...
i am sure the 200 can provide all the power the tweeters will ever need....105 watts per channel....no way that much power is needed to play the tweeters....even when the bass and mid amps are cooking...
amps are noticably cooler....

will use the other 400 to drive the voigts....which i have completed and dampened....
i think i will use the second input on the dsp just for this component....

have one coat of bondo....will resand and bondo the last time before primer....
still waiting on the bottom plates....put another layer of mdf under the bottom for a better look and bigger footprint...
i think they will look nice...
ordered some extra tweeters to experiment with...
and of course the full range drivers for the voigts should be here next week....
i think a lot of experimenting is in the near future....
take care....
on a sad note....a handful of ticos were killed ub the last few days due to the heavy heavy rains and rivers flooding...some bodies still not recovered if they ever will be...one poor soul was washed off on his motorcycle....
it is really wet....i have water running out of the ground....like a spring....kinda early this year....normally this happens in october...
i think these two months are gonna be tough....no way to cut the grass....
think i might put cows in the yard....or maybe some goats....always wanted goats...
had a pet goat named mabel when we were adolescents....

take care guys...
 
Rear firing (adjustable level and phase switch added) tweeter might be interesting, and add some adjustable feet to the wide base, so you can set pitch and yaw perfectly...

Any why not just veneer the things with something? Or spray with truck bed liner to damp, and give a unique look? Maybe some rattle cans of GM trunk paint- gray with colored speckles in it would be different.
 
J!m said:
Rear firing (adjustable level and phase switch added) tweeter might be interesting, and add some adjustable feet to the wide base, so you can set pitch and yaw perfectly...

Any why not just veneer the things with something? Or spray with truck bed liner to damp, and give a unique look? Maybe some rattle cans of GM trunk paint- gray with colored speckles in it would be different.
Click to expand...
gonna paint it to match my other speakers..
automotive paint....a bit expensive...the painter will do it. .
 
the dsp is amazing...
not much you cant compensate for...including timing in inches...polarity...Q....
i took joes advice and set slope at 6db...
i will input another schiit and attatch the old 4 fin to voigts ....can cut a profile to use my 15" woofers as subs for the voigts....can mix and match with dsp...
want to experiment with tweerers...ordered a few sets...the one i want at parts express is back ordered....
gonna build a bookshelf bass reflex speaker system for bedroom next...
addicting...
 
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