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post #1 of 20 Old 10-24-15, 02:20 AM Thread Starter
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BGW Systems Amps

Discovered today that BGW amps seem to be a pretty good bargain in certain used-gear arenas. So much so that in terms of $/watt, I'd almost be foolish NOT to grab one (or two or six).

So, anyone have any experience with BGW? Favorite models, things to avoid, or general thoughts?
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post #2 of 20 Old 10-24-15, 06:08 AM
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Re: BGW Systems Amps

I’ve heard of them forever, but never knew anyone who had them. Poking around the web they seem to have a reputation as solid, reliable amp. They sell cheap used as they’re not as well know as Crown, QSC etc. If the price is right I’d say go for it.

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post #3 of 20 Old 10-24-15, 01:31 PM Thread Starter
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Re: BGW Systems Amps

Price was right... so I just pulled the trigger and picked up 2 BGW 150's. Single rack unit, 50w/ch @ 8Ω.

I should have them some time next week. I'll report on my findings.
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post #4 of 20 Old 10-24-15, 01:38 PM
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DqMcClain wrote: View Post
Price was right... so I just pulled the trigger and picked up 2 BGW 150's. Single rack unit, 50w/ch @ 8Ω. I should have them some time next week. I'll report on my findings.
nice! Think I'll go shopping...
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post #5 of 20 Old 10-24-15, 02:08 PM
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Re: BGW Systems Amps

Don’t know how old the ones you picked up are, but a manual I found on line claims that the amp is wired Pin 3 +. Something to keep in mind if you intend to use the XLR connections.

http://lcweb2.loc.gov/master/mbrs/re...0Amplifier.pdf

Regards,
Wayne



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post #6 of 20 Old 10-24-15, 06:05 PM Thread Starter
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Re: BGW Systems Amps

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Wayne A. Pflughaupt wrote: View Post
Donít know how old the ones you picked up are, but a manual I found on line claims that the amp is wired Pin 3 +. Something to keep in mind if you intend to use the XLR connections.

http://lcweb2.loc.gov/master/mbrs/re...0Amplifier.pdf

Regards,
Wayne
Good to know. As long as pin 1 is G, I can handle whatever else gets thrown my way. And at least in theory, it shouldn't matter what the polarity of pins 2 and 3 are... they are inverse of each other, and being run through a differential amplifier. So what should happen is that the signal should come out fine... that remains to be seen however.

I don't know how old these units are, and won't until I've got them in hand. I'm planning on using them to power a bi-amped (maybe tri-amped in the future) set of open baffle speakers, with a dBx 223 active crossover network. Mostly as a method for taking some of my giant pile of unused gear and putting it to use.
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post #7 of 20 Old 10-24-15, 06:20 PM
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Re: BGW Systems Amps

As long as you’re using them top to bottom it shouldn’t matter. However, if you use them with another amp that’s wired Pin 2+, my understanding is that you’ll end up with the two speakers (i.e. from the different amps) being out of phase with each other. IOW, flopping the polarity of the input has the same result as doing the same to the speaker wire.

Regards,
Wayne



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post #8 of 20 Old 10-25-15, 02:46 PM
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Re: BGW Systems Amps

They use BGW amps in theaters. http://www.hps4000.com/pages/vxi.html

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post #9 of 20 Old 10-25-15, 03:11 PM Thread Starter
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Re: BGW Systems Amps

Yeah, I spent a while on BGW's website checking things out... that was one of the things that led me to go for it and buy a few.

What intrigues me the most is the +0/-3dB frequency response spec of 8Hz-56KHz on all current models. Wow.
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post #10 of 20 Old 10-25-15, 04:04 PM
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They seem committed to high quality all the way around. Found a couple things on eBay that seem promising.
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