Wireless analog connection TV -> amp?

Turbon · 4th November 2011, 08:02 PM

Hi, I hope this is the place to post this one.

How would you send audio wirelessly to a couple of headphone amps across a room? DIY preferred.

Thank you and brgds

oshifis · 5th November 2011, 08:47 AM

I use an AKG wireless headphone (T305 UHF 864 MHz). One transmitter can serve several headphones. I transmit TV sound also to the bathroom to a receiver gutted from a defect headphone combined with an active PC loudspeaker. These headphones have AGC dynamics compression, so the noise goes up during silent periods.

Turbon · 6th November 2011, 09:53 AM

Now why didn't I think of wireless headphones - thanks oshifis! For my tv2headphone it is perfect...
Now, can't they be swithed to different frequencys to avoid interferring with others of the same brand? This might get them usefull for multichannel where the amp is in the speaker.
Have you found a way to shut the AGC off?

Brgds

oshifis · 6th November 2011, 12:04 PM

Hi Turbon,

The transmitter frequency can be switched to an alternative channel and the receiver can be adjusted continuously. It has a PLL too, like any other FM receiver. I did not bother with disabling the AGC. Overall, I am satisfied with the sound - well it is an AKG.

Turbon · 9th November 2011, 06:45 PM

Thanks for your input oshifis! Very interesting.
I found this Wireless Audio Transmitter / Receiver, Model 1500 [L1500] - $89.00 : Zen Cart!, The Art of E-commerce but I have no idea of the quality or if it is even legal to use inside EU. 89$ if it works seems reasonable though. Sound quality? Well it's TV sound out of scart so what can one expect...

4th November 2011, 08:02 PM	#1
Turbon diyAudio Member Join Date: Aug 2011 Location: South	Wireless analog connection TV -> amp? Hi, I hope this is the place to post this one. How would you send audio wirelessly to a couple of headphone amps across a room? DIY preferred. Thank you and brgds

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5th November 2011, 08:47 AM	#2
oshifis diyAudio Member Join Date: Mar 2004 Location: Budapest, Hungary	I use an AKG wireless headphone (T305 UHF 864 MHz). One transmitter can serve several headphones. I transmit TV sound also to the bathroom to a receiver gutted from a defect headphone combined with an active PC loudspeaker. These headphones have AGC dynamics compression, so the noise goes up during silent periods.

6th November 2011, 09:53 AM	#3
Turbon diyAudio Member Join Date: Aug 2011 Location: South	Now why didn't I think of wireless headphones - thanks oshifis! For my tv2headphone it is perfect... Now, can't they be swithed to different frequencys to avoid interferring with others of the same brand? This might get them usefull for multichannel where the amp is in the speaker. Have you found a way to shut the AGC off? Brgds

6th November 2011, 12:04 PM	#4
oshifis diyAudio Member Join Date: Mar 2004 Location: Budapest, Hungary	Hi Turbon, The transmitter frequency can be switched to an alternative channel and the receiver can be adjusted continuously. It has a PLL too, like any other FM receiver. I did not bother with disabling the AGC. Overall, I am satisfied with the sound - well it is an AKG.

9th November 2011, 06:45 PM	#5
Turbon diyAudio Member Join Date: Aug 2011 Location: South	Thanks for your input oshifis! Very interesting. I found this Wireless Audio Transmitter / Receiver, Model 1500 [L1500] - $89.00 : Zen Cart!, The Art of E-commerce but I have no idea of the quality or if it is even legal to use inside EU. 89$ if it works seems reasonable though. Sound quality? Well it's TV sound out of scart so what can one expect...

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