Open baffle planars and servo subs

Started by HAL, March 12, 2016, 05:22:35 AM

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mresseguie

#105
June 06, 2016, 11:06:54 PM
Rich,

I can almost feel your excitement as this progresses! I have dreamed of projects like this (okay, a lot smaller projects, but still). Someday....

Thanks for posting this! :thumb:
Daedalus Audio Apollos; Fritz Loudspeakers LS/5-R
SW1X NOS DAC III BAL/SPL; Holo Spring3 KTE
Don Sachs Model 2 preamp
Don Sachs dual mono 300b; Nuprime Evolution STA
Hapa loom
PI Audio UberBUSS, DigiBUSS, Uber-MiniBUS

HAL

#106
June 07, 2016, 04:02:52 AM Last Edit: June 07, 2016, 02:50:03 PM by HAL
Rich,
Those are the 16 modified LM3875TF Gainclone amps with balanced inputs and DC coupled inputs and outputs.  Designed specifically for the BG drivers in the speakers.

Will be wiring them up later today.  Then see what happens.

mresseguie,
You are most welcome.  Hope it inspires you to some DIY.  It really is a lot of fun to build things.

HAL

#107
June 08, 2016, 04:00:50 AM
Speaker cables labeled and started connecting them to the Neo10's.

Next connect to the amps and try some measurements to see how to adjust the crossover for sub to planar level matching.  Then try Room EQ for overall correction.

HAL

#108
June 08, 2016, 04:03:21 PM
Installed 200' of speaker cable on the 16 - Neo10 planars.  Finished that so now on to resistance checks and wiring to amp modules.

HAL

#109
June 08, 2016, 07:17:39 PM
Baffles and servo subs setup.

Wiring is ongoing and will be completed tomorrow.

BobM

#110
June 09, 2016, 05:41:09 AM
It's certainly coming together. How do they sound? Or is there some tweaking left to be done (always tweaking  :roll:)?
Laugh and the world laughs with you. Cry and you'll have  to blow your nose.

HAL

#111
June 09, 2016, 06:15:03 AM
Still wiring up the 16 amps to the drivers.  Trying to figure out the best way to setup the amps for wire routing.

Since these are just midrange drivers, the only way to really get full range is with EQ.  That will happen with the measurements hopefully today.

HAL

#112
June 09, 2016, 12:11:05 PM
All 16 amp modules are now wired to the Neo10 drivers. 

Next up is to connect the balanced XLR cables to the amp and begin testing the digital crossover.

HAL

#113
June 09, 2016, 08:30:26 PM
Final XLR balanced connections from the dspMusik to amp modules are complete.

Tomorrow is power up, measurements and Room EQ.

HAL

#114
June 10, 2016, 10:05:53 AM
Sometimes you just need a lot of extension cords.  :thumb:

Parts for 8 - 10' extension cords.

richidoo

#115
June 10, 2016, 11:22:57 AM
The DIY King!   :thumb:

HAL

#116
June 10, 2016, 08:19:08 PM
Igor, throw the switch, NO not that switch, the other one!

BUZZ, HUMMMM, WHIRRR, ZAAAPPPPP...  They're alive, THEY'RE ALIVE!   MUAHA MUAHAHAHAHAHAHAHAH!!!

The Megaliths live!  Now on to the measurements.

Had my friends Avoosl and Charlie over for beer brats, beer and help with the wiring and connection of the speaker.  Lots more to do, but stage one is complete with a vengeance!   :thumb:

tmazz

#117
June 12, 2016, 05:35:14 PM
Remember, it's all about the music........

Nola Boxers
Sunfire True SW Super Jr (2)
McIntosh MC 275
ARC SP-9
VPI HW-19 Mk IV/SDS/SAM/SME IV/Soundsmith Carmen Mk II ES
Pro-Ject Pre Box S2 DAC/Rasp Pi Roon Endpoint
DigiBuss/TWL PC & USB Cables

HAL

#118
June 12, 2016, 05:44:15 PM
YES!!!!!!

HAL

#119
June 14, 2016, 07:33:36 PM
More measurements and crossover work today.  Will be tweaking it a bit more tomorrow and give them a listen.

Hopefully by then USPS will find my next batch of TWL HAL AC cables!   :(
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