Devin Froelicher
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Sound board setup differences
3 Replies

Hi all.I am curious to find out how different people have there sound boards setup in regards to running delay speakers, fill speakers, monitors, effect units, and recording mixes on either an aux…Continue

Started this discussion. Last reply by Lazlo Mar 9, 2012.

Relay construction for Beacon light mistake
11 Replies

I am wondering if anyone has any info on making a relay that would respond to a 20khz signal and be powered off a 24vdc inline supply. ICB type setup is preferred, with a 3pin xlr at each end.

Started this discussion. Last reply by Erich Friend Oct 12, 2011.

Rigging a rappelling/belay scene
11 Replies

Sorry if this is a little long, thank you for sticking with it.I work at a Theatre on a high school campus and the director for the fall play has an idea of lowering a character down to the audience…Continue

Tags: harness, rigging, rappeling, climbing

Started this discussion. Last reply by Devin Froelicher Nov 10, 2010.

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Lazlo replied to Devin Froelicher's discussion Sound board setup differences
"Devin,       I happen to be mixing a musical this week, with a 32 channel Yamaha desk and a 8 channel Soundcraft submixer. I have 4 monitor mixes, sent from aux sends, and two more aux sends for vocal effects. The monitor mixes…"
Mar 9, 2012
Mark Thomason replied to Devin Froelicher's discussion Sound board setup differences
"Our console is normally setup as follows: Aux 1-3 available for monitor feeds Aux 4-7 patched to effects units and returned to the stereo channels Aux 8 patched to the processor as a sub woofer booster - we have the main LR feed that goes into the…"
Mar 5, 2012
Jordan Wolf replied to Devin Froelicher's discussion Sound board setup differences
"Devin, I find Aux Sends to be more useful for individual monitor mixes (both mono and stereo, wedge and IEM), FX and recordings (if an external recorder is not going to be used). I prefer Matrix feeds for separate zones (delays, lip fills), side…"
Mar 3, 2012
Devin Froelicher posted a discussion

Sound board setup differences

Hi all.I am curious to find out how different people have there sound boards setup in regards to running delay speakers, fill speakers, monitors, effect units, and recording mixes on either an aux send or a matrix send or some other method. I am also curious what the order of these sends are setup in. I have been doing sound for a while now but have only been an in house engineer and only briefly get to see what others have.Does running a digital board change the order or way that these are…See More
Feb 28, 2012
Erich Friend replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"Devin's idea of using an audio gate to do this is really clean, but probably somewhat expensive unless you have a 'spare' gate around somewhere. (That 'somewhere' might be an unused audio DSP analog input coupled to an…"
Oct 12, 2011
Rich Dionne replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"I haven't forgotten you--but I'll confess that life here has gotten HECTIC! I'll hopefully have some info for you later this week."
Oct 5, 2011
Devin Froelicher replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"Hey Rich, IDK why i didn't thinks of this before. Being an audio guy I thought this problem would be simple enough and then it occurred to me, IT IS!!!   A single channel gate with a high pass filter that can be set to 10k should be…"
Sep 23, 2011
Devin Froelicher replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"Yes that is why i am trying to build a relay that responds to the 20khz.   I have the BlinQ and it works fine with the telex beltpack and system (power), it just doesnt turn off. I called the guys at ALS and they weren't vary helpful with…"
Sep 19, 2011
Devin Froelicher replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"P.S. The BlinQ is LED so amperage is not a big deal. There are only 8 beltpacks that run on the Telex power supply and it is rated to handle somewhere in the high 20s if I remember correctly."
Sep 19, 2011
Rich Dionne replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"Devin,   I've done some quick reading on the devices you've got, and here's what I know.   The ASL beacon interprets a change in current along the audio line (of about 2.8 mA, pin 2) to indicate that the call light should…"
Sep 19, 2011
Devin Froelicher replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"Thank you, I bought an ALS BlinQ because it was cheap and looked really cool. It also fit the size requirements I was looking for and was less unidirectional than others I had seen for $300.   In house I have a Telex Audiocom headset system…"
Sep 19, 2011
Rich Dionne replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"I'd be willing to look at this with you, Devin. I'll confess that micro-electronics are not my strong(est) suit, but I suspect I can put something together.   Of course, that means more questions! Can you clarify exactly what you want…"
Sep 19, 2011
Devin Froelicher replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"Basically I envision a DI sized box that I can plug a cable into on one end and the beacon on the other end. The whole device would be powered from the 24vdc that is coming in from the intercom system (insert appropriate resistors and what not where…"
Sep 18, 2011
Devin Froelicher replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"Rich, I guess this is why i am unable to find what I need.  You have helped to clear up a little bit of things.   So in response, yes I need an audio transducer that responds at 20khz and then closes a relay that allows the 24vdc to pass…"
Sep 18, 2011
Rich Dionne replied to Devin Froelicher's discussion Relay construction for Beacon light mistake
"Devin,   I'd love to help, but I think I need more information. When you say "respond to a 20kHz signal," what do you mean? Sending 24vDC at a frequency of 20kHz seems...well, DC circuits don't really have frequency, as the…"
Sep 18, 2011
Devin Froelicher posted a discussion

Relay construction for Beacon light mistake

I am wondering if anyone has any info on making a relay that would respond to a 20khz signal and be powered off a 24vdc inline supply. ICB type setup is preferred, with a 3pin xlr at each end.
Sep 16, 2011

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At 10:59am on January 16, 2010, Mark Modzelewski said…
Hey Devin, there is a listing for a theatre closing and having to sell all of their equipment. Might be worth checking out. The discussion is from Jan. 15. "closing theatre."
 
 
 

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