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 1 
 on: Yesterday at 11:54:15 pm 
Started by Alex Davis - Last post by Mike Caldwell
Not sure what type of relay your using but here are two products made to do exactly what your wanting to do.

I have use the Bogen VAR1 to trigger LED strobe lights in school band rooms when every there is an announcement on the building PA system.

https://www.bogen.com/products/specialelectronics/

and another similar unit from RDL

http://www.rdlnet.com/product.php?page=278

 2 
 on: Yesterday at 11:43:07 pm 
Started by Timmy Liland - Last post by Stephen Kirby

The VOX AC30 is a wonderful amp and very loud, but too much top end and a very hard mid range.


Have you ever played a real JMI?  The guys at Black Market Music pulled one out when I made the same comment once.  Totally unlike any other ones, or any of the Matchless, Top Hat, etc, clones.  Divided by 13 isn't harsh when cranked but is stiff and dry turned down.  Not a bedroom/garage amp.  Stage only.

The JMI AC30 is magical but is also a stage only amp.  Down around 3 it has that Beatles clarity and jangle but without any shrillness or dryness.  Very smooth while still having sparkle on top.  Around halfway it softens up more and the top end starts to go away.  Wonderful blues amp.  At 7-8 you get full throated Brian May.  All thick and creamy, and the top end sparkle is all gone.  Plenty of articulation and speed, but no sparkle.  Different guitars with different outputs may need different settings, I was doing this with a vintage 335 they had.  But you can't get one sound at different volume levels.  You have to set it to get the sound, mic it and/or deal with baffling it to get the stage/house levels you need.

 3 
 on: Yesterday at 11:35:26 pm 
Started by Tim McCulloch - Last post by Lee Patzius
From inspection it appears a properly wired outlet supplies 54Vac to N1, 60Vac to N2, and 54Vac to N3

an open ground still provides 54Vac to N1, 77v at junction R7&R8, 45Vac to N2, 42Vac at N3

an open neutral  provides 54Vac to N3, 42vac at junction R7 & R8, 46vac to N2, 27vac at N1

Without finishing for all permutations that does not appear to line up with the device indications. Neon lamps have different sensitivities but probably light at 35-40Vac or so.

It is too early in the morning for me to try to figure out what is inside that new puppy.

It would really be nice if that Live whatever is RPBG but I couldn't figure out how to do it without grabbing a local reference. but???? for <$10 I wouldn't be too optimistic...  the written sales copy at amazon notes 5 patterns to read not 7.  ::)

JR

The only thing I can think of is loading line and neutral, and measuring voltage across neutral and ground. I know you know where I'm going with this!  Calibrate tester with a bootleg voltage drop, then anything higher is not bootlegged.

 4 
 on: Yesterday at 11:30:52 pm 
Started by Tim McCulloch - Last post by Lee Patzius
Don't know. But I'm pretty sure you can't get all three bulbs to light up equally bright with any wiring condition I can think of, except for maybe an Edison outlet mis-wired to 240 volts. But I'll have to trace that out to se what's possible. Here's a schematic of how these things are wired.

I've seen all three lit with the grounding conductor connected at the receptacle, but not making it back to the service panel. They didn't light with equal brightness though.

 5 
 on: Yesterday at 11:14:06 pm 
Started by Rodney Connelly - Last post by Stephen Kirby
Fake tweeter horns just like the old Radio Shack speakers.

Looks like someone left some Meyers in the drying for too long.  ;)

 6 
 on: Yesterday at 11:01:40 pm 
Started by Rodney Connelly - Last post by Jeff Lelko
How come the speaker weighs in at 19lbs and the shipping weight is 49lbs??

Two of them per order plus packaging maybe?  Now you can get your whole line array shipped in a single box!  Seriously, if people buy these, and I'm sure they do...I'm working on the wrong end of this business... 

 7 
 on: Yesterday at 10:37:26 pm 
Started by Timmy Liland - Last post by Steve Hurt
Thank you Steve. How's the Super Reverb working out?

Rockin!  (and heavy)  Not sure what I was thinking, I need a roadie to move it!  Sure sounds good though.

 8 
 on: Yesterday at 10:25:51 pm 
Started by Timmy Liland - Last post by Bob Leonard
Timmy,
Here's an easy fix to the gain problem on the Blues Jr.

Replace the first pre amp tube (V1) with a 12AY7.

Replace the phase inverter tube (V3) with a 12AT7.

No board pulling, no soldering, no chance you'll destroy your amp.

If you like how that works let me know and I'll give you some option for the Hot Rod Deville.

 9 
 on: Yesterday at 10:21:42 pm 
Started by Timmy Liland - Last post by Bob Leonard
Thank you Steve. How's the Super Reverb working out?

 10 
 on: Yesterday at 10:17:02 pm 
Started by Rodney Connelly - Last post by Bob Leonard
How come the speaker weighs in at 19lbs and the shipping weight is 49lbs??

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