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The in-flight audio player (updated) (Patreon)

Published:
2023-10-28 06:40:49
Imported:

Content

Did you ever wonder what device was responsible for playing the music heard through headphones plugged into the armrest of an aeroplane?

Probably not - but nevertheless here’s a look at one of the possibilities.

https://youtu.be/9qBQ7vQtOo0

EXTRA: Is your name unexpectedly missing from the credits?

If you were expecting to see your name in the credits at the end of this video but it’s vanished - please watch this extra video where I talk about some Patreon changes that might be responsible. https://youtu.be/zFYY8CVeboY If after watching this you think there’s been an error - let me know and if necessary I’ll raise the issue with Patreon.

It’s good to be back and I hope you’re all well. Have a great weekend.


UPDATED VIDEO

From the feedback received on the pre-release version of this video it appears it was lacking clarity in places. In addition there were a few new nuggets of information worth adding in that had come from suggestions in the comments. As a result I’ve gone through and re-edited the video. There are quite a few tiny snips - but the main changes are a replacement section which occurs at around six minutes in and a new recap at approximately thirteen minutes. Hopefully these changes improve the whole video. Thanks for all the feedback, corrections and suggestions.


UPDATE RE NAMES IN CREDITS

I've found a number of names that weren't showing in any Patreon category, but clearly should be on the list - so I've done a quick re-edit and added them in. The video embedded and linked above includes these additional credits. If you are still missing, please let me know and I'll investigate further.

Files

The in-flight audio player

Did you ever wonder what device was responsible for playing the music heard through headphones plugged into the armrest of an aeroplane? Here's one tape based machine that was still providing passengers with in-flight entertainment more recently than you might expect. LINKS: Amusing MyTravel Advert https://youtu.be/ZetwDTigU6k?si=wHqUXMKFcsLseVfa MERCHANDISE Techmoan Merchandise is available from https://nerdkeyz.etsy.com/ SUBSCRIBE http://www.youtube.com/user/Techmoan?sub_confirmation=1 SUPPORT This channel can be supported through Patreon https://www.patreon.com/techmoan *******Patrons usually have early access to videos******* OUTRO MUSIC Over Time - Vibe Tracks https://youtu.be/VSSswVZSgJw AFFILIATED LINKS/ADVERTISING NOTICE All links are Affiliated where possible. When you click on links to various merchants posted here and make a purchase, this can result in me earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network & Amazon. I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to AMAZON Sites (including, but not limited to Amazon US/UK/DE/ES/FR/NL/IT/CAN

Comments

Grace Robbins

Have I mentioned before how much I enjoy when the videos go live to the public? I sometimes read the comments when I'm delirious and unoccupied. 😋

Anonymous

Awesome video! Worth a quick comment to point out that although aircrafts generate 400Hz (or thereabouts) 125VAC (for efficiency and giving rise to that distinctive hum), in many cases this is transformed and rectified to 28VDC. Therefore something like this with no major power / motors might take 28VDC, which is much easier to get from a bench power supply. Even though the equipment is rather dated, the connectors are often still in use. BUT as avionics specific quality you're often looking at >£100 a pop. I have gotten into old avionics recently and it's quite enjoyable to trace the function to the pins but clearly a huge job with this much going on inside the unit.

techmoan
>>121430721

It's really my least favourite time - it's watching something I put all my time into, crash and burn in 24-48 hours. (Very) occasionally it's not like this - so gotta stay positive.

Anonymous
>>121431453

I stand corrected (by my further curiousity) that connector does seems to carry the 400Hz 125V supply. But I still can't see it being used inside - probably immediately transformed.