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AeroElectric-List - SL-15 audio - 12/31/19

 
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dean.psiropoulos(at)veriz
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PostPosted: Thu Jan 02, 2020 9:30 am    Post subject: AeroElectric-List - SL-15 audio - 12/31/19 Reply with quote

I'm familiar with this issue:

My Apollo radio stack included an SL-10 MS (similar to SL-15 but with marker
beacon and stereo). I bought it 2001 and the plane first flew in 2008. I
wired it so I could plug in mp3 players and iPods using mini jack patch
chords. To my dismay, I had to crank the SL-10 all the way up (mp3 player
at max volume) to hear anything (very distorted). Since these units are
made by PS engineering, I contacted them and they said the design was
completed before mp3 players became popular. Mp3 players put out a very
weak signal hence this problem. PS engineering had updated their units by
then and recommended I fix the problem by buying a new model at $1300. I
had just finished the airplane and didn't want to do that. PS engineering
then suggested I purchase a small self-contained mp3 amplifier and place it
in line between the mp3 player and the SL-10. Not sure if they're still on
the market but the brand of that amplifier is "Boostaroo" and it was
originally designed to amplify the signal of mp3 players enough to drive two
sets of earbuds. It has one input, two outputs and provides a fixed amount
of gain (no controls of any kind, when you plug in the mp3 player patch
chord it turns the unit on). It's about the size of your thumb, weighs a
couple ounces and runs on AAAA (yup that's quad A) batteries (available at
many stores selling batteries). Worked great and I used it for 9 years
until I saw the new plug and play PS Engineering PMA 7000BT at Sun N Fun. I
bought one and since it's plug and play, just swapped out my SL-10 with NO
wiring changes required. It has all the features of the SL-10 plus
automatic squelch, blue tooth and a more powerful amplifier for mp3 signals.
Love the unit and don't need to use patch chords anymore, just Bluetooth my
smart phone/iPad and get loud and clear audio through my Bose headsets
(stereo). If you want blue tooth and this new capability, I would contact PS
engineering and see if the 7000BT is also a plug and play replacement for
the SL-15 (I believe it is). If you are on a budget then I suggest the
Boostaroo, it worked very well for me with the SL-10 and cost about $30 as I
recall. I'm sure there are other mp3 amplifiers available that would work
as well if you can't find a Boostaroo. The Boostaroo is just so compact and
lite weight that it's perfect for our application, takes up zero room in the
airplane and no controls to mess with.

Regards

Dean Psiropoulos
RV-6A N197DM
320+ hours of pure fun
--


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