Recent Posts

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1
Speakers / Re: The Monolith open baffle planar array
« Last post by HAL on Today at 04:25:51 AM »
Got the 4 servo drivers yesterday and now everything is in storage until after the holidays.

Will post pictures of the build process as it goes on.
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Anecdotal Evidence / Re: Pets Gone Wild
« Last post by doug s. on November 21, 2017, 11:30:28 PM »
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Anecdotal Evidence / Re: Pets Gone Wild
« Last post by richidoo on November 21, 2017, 06:33:43 PM »
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Speakers / Re: The Monolith open baffle planar array
« Last post by HAL on November 21, 2017, 05:48:35 AM »
The 4 - GR-Research SW-12-16FR servo drivers will be here today.  All the rest of the parts are here, so will be time to start building them over the holidays. 

Will see what these sound like with the OB Neo3/Neo10 baffles.  Already wired and ready to go with two of the ChipAmp style balanced input amps with the dspMusikLCD driving them.

5
Music Discussion / Re: What are you using to keep track of your collection?
« Last post by Nick B on November 20, 2017, 10:13:52 PM »
Maybe this would be a good program. I looked at it a couple of years ago.

http://www.firetongue.com/ 
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Experts Corner < ..... Think Tank / Re: Graphene...
« Last post by Nick B on November 20, 2017, 10:10:39 PM »
I hope this is the real deal. Iíve never messed with these tweaks as I donít want to reapply every 6 - 12 months.
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Analog Devices / Re: I have to bring this up
« Last post by Nick B on November 20, 2017, 10:06:56 PM »
It has been mentioned before as a very good product for the money. Maybe I should have ordered it rather than spending the money on Don Sachs unit.....which I have yet to try  :roll:
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Music Discussion / Re: What are you using to keep track of your collection?
« Last post by malloy on November 20, 2017, 09:40:19 PM »
And then you realize, the one you thought you had... nope!  :duh


I was about to answer with a smug, "I don't need anything to keep track since I remember everything..." but just tonight, as I was looking for a particular physical CD that I thought I had - it turns it I did not have it at all! It must have been something I borrowed from a family member. Then rummaging through the cabinet, I find another album by the same artist that I completely forgotten but had all along but never even played!
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Manufacturer News / Re: dspMusik 2x16 introduction
« Last post by HAL on November 20, 2017, 11:03:57 AM »
Rich,
They have added the FIR filters into the new firmware for use.  Will use a very long one for impulse response correction ideas.  Depends on which DSP processor you get as to how big a FIR you can use.  The 21479 in the 8 channel unit has a limit of around 1000 taps.  The 21469 in the 16 channel unit is around 15000 taps.

They also have biquad filter sections to build arbitrary crossover alignments. 

There is no automated calculations for those filter coefficients like the Butterworth or Linkwitz-Riley filters.  There are other programs to generate the coefficients available online to do that. 

Every channel is independent and depends on the connections required for the system. 

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Manufacturer News / Re: dspMusik 2x16 introduction
« Last post by richidoo on November 20, 2017, 08:26:50 AM »
The DSP processor is now an Analog Devices ADSP21469 based dspblok with external memory to allow long convolutional filters for things like speaker and room correction. 

Congrats!
Does this mean FIR filters are possible for xo and eq?
iirc, FIR was not possible on the 8ch?
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