Wireless Speakers - Will This Arrangement Ever Work?

alyoshka

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• Apr 10, 2014

• #2

Maybe there's too much of intereference from the Amp and Pre-Amp in that area.....
Also what you need to check is the amount of current that the pre-amp is pushing , could be a little more or a little less than what the "inexpensive wireless AV tramsmitter" needs, check it's documentation too....
Another thing is , the output from the "inexpensive AV receiver" , could be again a liitle too much or a little less than the input needed by the Amp.... check both documentations again....
Confirm.... and reply.

PS: Makes and models of all AV equipment is always an added advantage when requesting a solution since it helps us figure out what exactly may be wrong..... and provide a proper solution.

 

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G

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• Apr 10, 2014

• #3

Thanks alyoshka.

The Wireless AV set is a shop-brand (Dick Smith) and the manual (for what it is worth) gives very little information and certainly nothing about the amount of power it requires or uses to transmit correctly. The RF signal is transmitted at 5.8GHz, but I'm sure that is not the issue.
While I have the manual for the Pioneer, the only ones I can find for the Mitsubishi gear are in German (which I don't speak).

 

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G

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• Apr 10, 2014

• #4

Having posted this question on another Forum, the advice that I got was that Preouts aren't line level and that is why it won't work.

Do you think that there is likely to be any way to use the wireless set to send the sound to the SB speakers?
Using other equipment between the receiver and the speakers, perhaps?

 

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alyoshka

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• Apr 10, 2014

• #5

Yes, the other forum says the same thing, that the current given out is not of the line out levels..... but in simpler words....
Here are the specs for the MPO4
http/www.hifiengine.com/library/mitsubishi/m-p04.shtml

I'll get the rest to you in a sec

What have you got plugged into the Line Out of this PreAmp?

If you connect the AV Transmitter to the Line Out of the Pre Amp it ought to work fine.....

 

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G

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• Apr 10, 2014

• #6

alyoshka :

Yes, the other forum says the same thing, that the current given out is not of the line out levels..... but in simpler words....
Here are the specs for the MPO4
http/www.hifiengine.com/library/mitsubishi/m-p04.shtml

I'll get the rest to you in a sec

What have you got plugged into the Line Out of this PreAmp?

Thanks for the link.
Line Out on the PreAmp is connected to the input on the Power Amp.

Do you mean that I should use the wireless set to transmit from the Line Out on the Pre Amp to the Power Amp? Cos I tried that and only got humming.

 

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alyoshka

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• Apr 10, 2014

• #7

Ok... you can use a Splitter RCA cable..... those red white and yellow ones to divide the signal between the Power amp and the AV transmitter....
Rick .... isn't it??

 

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G

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• Apr 10, 2014

• #8

Yes, I'm Rick.

Sorry but I don't follow your suggestion, Could you please explain further.

 

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alyoshka

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• #9

This is the kind of cable you use to connect the line out from the pre-amp to the amp right?

 

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G

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• Apr 10, 2014

• #10

alyoshka :

This is the kind of cable you use to connect the line out from the pre-amp to the amp right?

Correct

 

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alyoshka

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• Apr 10, 2014

• #11

Now instead of that you need to get two cable like this....

So in the end you'll have 2 Red outputs and 2 white outputs coming out of the Pre-amp, right?
Now you can plug in the two reds into your Amp's line in and the white's into the AV Transmitter input....

 

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G

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• Apr 10, 2014

• #12

alyoshka :

Now instead of that you need to get two cable like this....

OK, and ...

 

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alyoshka

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• #13

So in the end you'll have 2 Red outputs and 2 white outputs coming out of the Pre-amp, right?
Now you can plug in the two reds into your Amp's line in and the white's into the AV Transmitter input....

 

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G

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• Apr 10, 2014

• #14

alyoshka :

So in the end you'll have 2 Red outputs and 2 white outputs coming out of the Pre-amp, right?
Now you can plug in the two reds into your Amp's line in and the white's into the AV Transmitter input....

With you so far.

 

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alyoshka

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• #15

WAIT!!!!!
This is the source?

Then the output from this Pioneer is sonnected to this?

Top one right?

 

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G

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• Apr 10, 2014

• #16

alyoshka :

WAIT!!!!!
This is the source?

Then the output from this Pioneer is sonnected to this?

Top one right?

Correct

 

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alyoshka

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• Apr 10, 2014

• #17

The source is the surround RCA output on the left of the pic (Pioneer) right?

 

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G

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• Apr 10, 2014

• #18

alyoshka :

The source is the surround RCA output on the left of the pic (Pioneer) right?

The outputs labelled SURR BACK PREOUT.

 

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alyoshka

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• Solution

• #19

OK..... let me figure this out, the Audio Surround Back Pre Out RCA sockets are giving out too much power to the Wireless AV transmitter.... thus the Humm.... you need to get the Voltage down to 2.5mV from 1V....

 

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Solution

G

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• Apr 10, 2014

• #20

alyoshka :

OK..... let me figure this out, the Audio Surround Back Pre Out RCA sockets are giving out too much power to the Wireless AV transmitter.... thus the Humm.... you need to get the Voltage down to 150mV from 1V....

Thank you - can you suggest a product that will do this.

 

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