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3rd Zone Preout consumer amp to 70v Amp
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| Topic: | 3rd Zone Preout consumer amp to 70v Amp This thread has 9 replies. Displaying all posts. |
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| Post 1 made on Thursday February 9, 2012 at 13:36 |
3PedalMINI Loyal Member |
Joined: Posts: | July 2009 7,860 |
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I dont know if im missing something or what but i have a situation where a 70v outdoor system would work perfect. Customers have a Denon 3311ci receiver and want to do an outdoor system. Since they dont plan on zoning the system it doesnt make sense to do an audio matrix like a DBX
I havent had my coffee yet so dont flame me. I would need a balanced to un-balanced adapter right? also would need to be RCA to Phoenix
70v amp would be Crown CDi 2000
TIA
I have never converted a consumer product to a commercial type product before. Every commercial environment i have ever done has either been DBX zone pro or a Mixer/Amp. to me it just doesnt make sense to sell them a commercial matrix for one zone.
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The Bitterness of Poor Quality is Remembered Long after the Sweetness of Price is Forgotten! - Benjamin Franklin |
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| Post 2 made on Thursday February 9, 2012 at 13:44 |
Fred Harding Super Member |
Joined: Posts: | October 2001 3,430 |
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Questions run in flocks. Second question along the same lines in one day.
Consumer pre out will be too low a signal. You will want to boost the consumer minus 10 up to a +4 signal.
Whirlwind, rdl, rolls, others make such a device.
That's gonna be one big and or loud patio...
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On the West Coast of Wisconsin |
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| Post 3 made on Thursday February 9, 2012 at 13:56 |
Ernie Gilman Yes, That Ernie! |
Joined: Posts: | December 2001 30,076 |
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The instructions for the Crown tell you how to wire an unbalanced input to the Phoenix connectors, if that's what it's got. Every 70 volt product I've ever seen has a simple way to connect unbalanced signals.
As for the signal level, yeah, the defined levels are different, but that might not be the end of the story. Let's say the amp can play at full power with a +4 signal when its volume control is set to 12 o'clock. With a consumer level signal, it might have to be set full up, at 5 o'clock, and still might only deliver half power. However, it costs absolutely nothing to test this out, if you've got a voltmeter. Since it's a 70 volt amp, by definition it can put out its full power if its output signal is at 70 volts.
Don't be scared of running this amp -- or any 70 volt amp -- with no load. No load is what the amp sees if all volume controls are turned down, and nobody warns against doing that.
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A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw |
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| Post 4 made on Thursday February 9, 2012 at 14:23 |
Ernie Gilman Yes, That Ernie! |
Joined: Posts: | December 2001 30,076 |
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On February 9, 2012 at 13:36, 3PedalMINI said...
also would need to be RCA to Phoenix A wire stripper works well for that as Phoenix connectors accept bare wire. I forgot to mention you'll need to check out any of the many threads here at remotecentral about monolizing the stereo signal. I'd just stick a 1k to 2k resistor in series with each channel, connect those together, and Viola, you've got a mono signal. Yes, I know it's Voila, but that cracks me up. I don't know how to type the accent grave anyway.
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A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw |
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| OP | Post 5 made on Thursday February 9, 2012 at 20:04 |
3PedalMINI Loyal Member |
Joined: Posts: | July 2009 7,860 |
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thanks guys. I looked at RDL and didnt see any adapters. Could you like me to it? coincidently i had call from a previous customer that wants to up the number of speaker around the pool so it will be another perfect job for 70v.
This current project isnt so much a patio but a courtyard, pool, lounge areas etc. There will be a decent number of speakers throughout the back yard.
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The Bitterness of Poor Quality is Remembered Long after the Sweetness of Price is Forgotten! - Benjamin Franklin |
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| Post 6 made on Friday February 10, 2012 at 10:03 |
musictoo Active Member |
Joined: Posts: | January 2005 539 |
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| Post 7 made on Friday February 10, 2012 at 21:05 |
Dave in Balto Super Member |
Joined: Posts: | January 2008 2,770 |
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Have you seen the Snap 70 volt amp, decent piece at a decent price. I set one up with a residential cd player and the result was fine
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Hey, careful man, there's a beverage here!
The Dude |
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| Post 8 made on Friday February 10, 2012 at 22:17 |
drewski300 Super Member |
Joined: Posts: | January 2007 3,848 |
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On February 10, 2012 at 10:03, musictoo said...
Is this it? [Link: rdlnet.com]That in conjunction with this [Link: rdlnet.com]. Otherwise buy RCA wires that are pre-stripped as it will make your life easier and run it into the RDL amplifier.
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"Just when I thought you couldn't possibly be any dumber, you go and do something like this... and totally redeem yourself!" |
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| Post 9 made on Saturday February 11, 2012 at 02:09 |
Ernie Gilman Yes, That Ernie! |
Joined: Posts: | December 2001 30,076 |
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On February 10, 2012 at 22:17, drewski300 said...
...buy RCA wires that are pre-stripped.... All it takes is a bit of skill with wire strippers. You're advising searching out a rare product, buying it, shipping it to you... to avoid gaining a bit more skill with strippers. This puzzles me. One could equally well obtain loudspeaker wires of the correct length, stripped and ready to insert. Me, I buy boxes of wire and do that myself.
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A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw |
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| Post 10 made on Saturday February 11, 2012 at 08:02 |
drewski300 Super Member |
Joined: Posts: | January 2007 3,848 |
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On February 11, 2012 at 02:09, Ernie Gilman said...
All it takes is a bit of skill with wire strippers. You're advising searching out a rare product, buying it, shipping it to you... to avoid gaining a bit more skill with strippers. This puzzles me. One could equally well obtain loudspeaker wires of the correct length, stripped and ready to insert. Me, I buy boxes of wire and do that myself. I'm sorry that puzzles you. I guess I recommended this option because there is an electronics shop 1/2 mile from my office where they sell these. So I guess it's standard stuff to me. Making you own from would be much better than cutting and stripping premades.
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"Just when I thought you couldn't possibly be any dumber, you go and do something like this... and totally redeem yourself!" |
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