Yesterday I had the privilege of playing around with 4 BC215’s and 2 TH118L’s from Danley Sound Labs.

First we did a polar thing with 2 of them on a turntable to see what the response would be from them off-axis in 10º steps.

NO SOUND

Did another experiment on a gradient near a wall but this time with the Fulcrum Acoustic CS121 Passive cardioid 21″ sub.

Did the same experiment with a Front Back Front set-up as the Gradient set-up in the blog post before this 1.

Also i wanted to see if this array would still work when positioned in close proximity of a wall (1mt from the back of the array in this case).

During today’s advanced training the subject on Delay vs FIR on subs came up.

The result was sort of ok on both but i decided to record the result of Delay vs FIR

Sorry for all following this blog from elsewhere but this is a post for technicians/students from the Netherlands. A training session in English is possible if somebody’s willing to listen to my poor English 🙂

Bij deze heb ik mijn les ruimte opnieuw ingedeeld m.b.t. de regels die op dit moment gelden in Nederland.

Ik kan nu dus weer groepen van 6 studenten aan in deze ruimte i.p.v. 3 zo als voor heen. Ook zijn er voorzorgsmaatregelen genomen (spuug schermen tussen 2 studenten tegenover elkaar en 1 ½ mt tussen elke computer).

Alle computers 1 ½ mt spacing

I wanted to try a End Fired & Gradient/Reversed End Fired Array out of the Fulcrum Acoustic CS℗121 for a long time but never found the time to do it.

Yesterday I did.

Bij deze een paar basic files betreffende Cardioide Sub Array’s in het Nederlands.

Played around with the advanced delay finder function in the new Smaart V8.5beta version available for everybody who owns Smaart V8 and can be downloaded from your My.rational account.

I’m using it for Time Aligning sub woofers to see if the ∆T found by the delay finder is accurate.

During a Smaart training a couple of weeks ago the End Fired array out of Point source sub configs got me to do the PART 1 and PART 2 blog posts.

In this part I’ll work up to a config I used in a theatre set-up. The set-up in the theater had a center cluster consisting out of 5 Meyer Sound Mina’s and 2 HP500’s which where hung with speaker towards the back wall to prevent the reflection from the back wall causing a dip in the frequency respons.

So let’s put the idea from the PART1 in to action in a End Fired array.

I simulated the respons a long time ago ( BLOGPOST ) but when i heard this array in real live during 1 of the Smaart training sessions i was impressed by the coverage.