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[Keith Broughton]

Bear in mind that the transformer on its own will not necessarily guarantee a noise free operation.  Sometimes a ground lift is required as well.


Steve.

Correct.

TX iso GND lifted.

[g'bye, Dick Rees]

"Sound quality", "cell phone" and "headphone out" are mutually exclusive terms...

[Doug Fowler]

I have been using Send Station for years.

https://www.sendstation.com

[Nick Enright]

need help with what level most cell phone headphone outs are and what to use to hook to console or standard line ins. Seems like with the cell output low and the system high vs the other way around has no difference. Possible RDL solution or what.

Thanks

it's a bit bulky, but two 1:1 iso transformers and all the different connectors you could want on both sides.

http://artproaudio.com/artcessories/audio_solutions/product/dti/

with it an iphone can easily drive most power amps to full output. also has great fidelity, not jensen transformers, but 10hz at 10v didn't show saturation when I scoped mine.

I recommend taking it apart and potting the transformers in immediately. I dropped one and lost a channel.

[Mark McFarlane]

Another option in the iPad world is to use the camera connector and an external class compliant USB audio interface.  This puts the AD/DA in an external device with balanced I/O. I have done this with the old style connector, I haven't tried the newer lightning-USB cable.

[Keith Broughton]

"Sound quality", "cell phone" and "headphone out" are mutually exclusive terms...

Good point Dick.

[Scott Holtzman]

Good point Dick.

The A/D is a good suggestion.  I just got the Android 5 Lollipop upgrade pushed to a Samsung Galaxy Note 4. 

5.0 supports external DAC's  I happen to have a Tascam and it worked like a champ.  I didn't want to blow up my phone so I used a powered hub. 

What I am now going to do is take one of those giant batteries with the USB connector on it, hot glue gun a little USB hub to the top of it and then velcro the Tascam.  Now I can use that for music in between sets for 10 hours without having to worry about the battery life.

Don't forget to turn the phone off.  I have gotten phone calls when my phone was on a board.  Embarrassing to say the least.

[Lee Richard]

I have never been happier with the Rolls AV Presenter.
Sums to mono which saves on channel count
Ground lift for noisy laptop power supplies
Left/Right Volume controls before sum
3.5mm in, RCA in and loop out.
Very affordable and freaking tiny

[Steve M Smith]

Don't forget to turn the phone off.  I have gotten phone calls when my phone was on a board.  Embarrassing to say the least.

We generally use my son's i-phone for music.  I usually ask him if it is off about ten times.


Steve.

[Scott Slater]

We generally use my son's i-phone for music.  I usually ask him if it is off about ten times.


Steve.

I always make people put their phones in airplane mode and vibrate before connecting it up to a console.  Not only a call or text message, but an alert or email can trigger unwanted sounds.

-Scott

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