Search found 96 matches

by brianroth
Sun Jul 13, 2014 10:29 pm
Forum: Pro Audio Design
Topic: What happens when two "virtual ground" buses short?
Replies: 3
Views: 9771

Re: What happens when two "virtual ground" buses short?

Thanks for the replies, guys! After decades working with studio gear, I just can't ever recall "seeing the results" of two VG buses shorted. The clue was the skewing of the square waveforms, as if some moderate amount of EQ was being applied to the two buses. Each "EQ" was differ...
by brianroth
Fri Jul 04, 2014 3:39 am
Forum: Pro Audio Design
Topic: What happens when two "virtual ground" buses short?
Replies: 3
Views: 9771

What happens when two "virtual ground" buses short?

The Usual Intro...long time lurker/seldom yacker. Yada yada <g> Greetings to Wayne and John and others I have yet to meet ! Thanks for having me aboard!! I am posting this here cuz I do NOT want to get into BS from other "net boards" that I read and reply to. This forum seems to be a more ...
by brianroth
Mon Feb 24, 2014 1:18 am
Forum: The Peabody Lounge
Topic: Coyote and General-Purpose Animal Block
Replies: 7
Views: 18130

Re: Coyote and General-Purpose Animal Block

The Freon lines going to/from my outdoor AC condenser unit travel UP and through a wooden panel on the underside of the roof's overhang. I believe it is properly called a soffit. Years ago, we had squirrels in the attic. The little SOBs had climbed up the Freon lines and chewed out the wood surround...
by brianroth
Sun Jan 05, 2014 4:07 am
Forum: The Peabody Lounge
Topic: Residential Lighting with LEDs: Retrofitting the Pink Ranch
Replies: 149
Views: 407168

Re: Residential Lighting with LEDs: Retrofitting the Pink Ra

I see lotsa crapola via late nite infomercials, but this one Takes The Cake. "100,000 hours" and "made from Genuine Metal!!": http://www.youtube.com/watch?v=oDR6Vcu3oUc Geez and I really believe this is a bunch of crap. I've stockpiled incandescent bulbs in various wattages. From...
by brianroth
Sat Jun 29, 2013 3:37 am
Forum: The Peabody Lounge
Topic: Residential Lighting with LEDs: Retrofitting the Pink Ranch
Replies: 149
Views: 407168

Re: Residential Lighting with LEDs: Retrofitting the Pink Ra

Greetings, gentlemen.

I have run various "what if" numbers.

WHO guarantees that the LED bulbs will last 25K hours? That will totally skew the numbers. I know for FACT that CFL lamps do not come close to lasting as long as the specs say.

Bri
by brianroth
Mon Jun 17, 2013 7:16 pm
Forum: Test, Measurement and Repair
Topic: The Lonely Amek M3000
Replies: 25
Views: 56747

Re: The Lonely Amek M3000

Ok here it is, the M3000 EQ Schematic as it was drawn on the documentation. Only change is, U1.1A, U4.1A, U6.1A, U8.1A was originally a TDA1034, I am showing it as a TL072, and i also removed the 33pF comp cap. With the exception of the IC change mentioned earlier. This is exactly what was document...