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  1. #1
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    Apr 2021
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    Advice needed on custom RaspPi media player build for shop

    I'd like to put a Raspberry Pi based media player in my shop. Lots of welders, lathes and other tools -> plenty of electrical interference -> probably not going to use Bluetooth speakers.

    I stumbled on this existing thread by @gvh https://forums.slimdevices.com/showt...=1#post1003620

    Nice setup, but then I found this: https://www.instructables.com/Wall-M...-Raspberry-Pi/

    I actually have a space issue (aka a too many tools issue ;-) so the recessed wall mount idea is appealing. It's also not going to get covered in crap from tool use. I also like the recessed box idea as it gives lots of options for a DAC hat + larger amp, built in power supply. In additional the 120v and speaker wiring can be run in the wall cavity so literally zero visible wiring.

    Long ago I had one I had one of the original SlimDevices players but nothing since then.

    One of the things that has crossed my mind is do I even need a touch screen? Versus controlling with a tablet/phone (via app). It's a lot simpler than the above recessed touch screen wall mount solution.

    For headless (no touchscreen) I'd been considering the RPI HiFi AMP HAT TAS5713 and it's matching case (https://www.amazon.com/gp/product/B07CZZ95B9 and https://www.amazon.com/gp/product/B081NCFFH2B081NCFFH2) which I'd flush wall mount. However I'm not sure if 25W is sufficient?

    I'd be installing a pair of ceiling mount speakers such as the Pyle PWRC65BT (https://www.amazon.com/dp/B07D1Z3GM8) which if I went with the Innomaker hat+case solution (above) I'd run the speaker wires under the wall coming out in a wall mounted RCA plate near the Pi.

    I'd welcome the advice of those more knowledgeable than I.
    Last edited by dorkshoei; 2021-04-04 at 11:46.

  2. #2
    Senior Member
    Join Date
    May 2008
    Location
    United States, Florida
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    12,317
    I don't have a touch screen on any of my rPi setups. I control all with an iphone or ipad or my computer.
    Home: Pi4B-8GB/pCP7.x/4TB>LMS 8.1.x>Transporter, Touch, Boom, Radio (all ethernet)
    Cottage: rPi4B-4GB/pCP7.x/4TB>LMS 8.1.x>Touch>Benchmark DAC I, Boom, Radio w/Battery (Radio WIFI)
    Office: Win10(64)>foobar2000
    The Wild: rPi3B+/pCP7.x/4TB>LMS 8.1.x>hifiberry Dac+Pro (LMS & Squeezelite)
    Controllers: iPhone11 & iPadAir3 (iPeng), CONTROLLER, Material Skin, or SqueezePlay 7.8 on Win10(64)
    Files: Ripping: dbpoweramp > FLAC; Post-rip: mp3tag, PerfectTunes, TuneFusion; Streaming: Spotify

  3. #3
    Junior Member
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    Apr 2021
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    Quote Originally Posted by garym View Post
    I don't have a touch screen on any of my rPi setups. I control all with an iphone or ipad or my computer.
    Understood. I'd be interested to hear from people who've tried both.

  4. #4
    Senior Member
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    Apr 2008
    Location
    Toronto area, Canada
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    1,406
    Unless you really want to build your own (an impulse I can easily understand) you might want to consider the newish ready-built options, such as those chronicled in the following:

    https://forums.slimdevices.com/showt...S-Music-Server
    https://forums.slimdevices.com/showt...music-streamer

    Taken together, these provide a pretty inexpensive and elegant streamer/player solution. Might not be what you are looking for though. I think control would be through one of the mobile phone apps; I believe Material Skin is the built-in front end.

    R.
    LMS on a dedicated server (FitPC3)
    Transporter (Ethernet) - main listening, Onkyo receiver, Paradigm speakers
    Touch (WiFi) - home theater 5.1, Sony receiver, Energy speakers
    Boom 1 (WiFi) - work-space
    Boom 2 (WiFi) - various (deck, garage, etc.)
    Radio (WiFi) - home office
    Control - Squeeze Control (Android mobile), 2 Controllers (seldom used), Squeeze Remote (on Surface Pro 4)
    Touch x 1 - spare
    UE Radio x 1 - spare
    Boom x 1 - spare
    Controller x 1 - Spare
    Duet Receiver (backup)

  5. #5
    Senior Member
    Join Date
    Apr 2007
    Posts
    289
    I have an RPi server/player that is headless. I have an RPi player with a 7” touch screen. I also have a couple of Booms, SB3s, and Squeezelite-based players. The vast majority of the time I use the Material skin/APK to control my players. The 7” touch screen is more eye candy than anything for me. When music is playing it’s displaying album art, artist, etc., but also pause and play buttons. When nothing is playing I’ve got the time and weather info showing. I occasionally use the touch screen but practically speaking it’s only to stop music as I am leaving the room.

    I like having the info displayed on the touch screen, but that’s only because of its location where it’s easy to look up and see what’s playing, who the artist is, etc. without having to dig into my pocket. I don’t consider it essential though. And it was tedious to configure the layout for the 7” screen.

  6. #6
    Senior Member
    Join Date
    May 2008
    Location
    Canada
    Posts
    7,065
    If you want just the player but with amplifier, you might consider our SqueezeAMP https://forums.slimdevices.com/showt...ifier-receiver or if you want just a receiver but no AMP or display, you can use https://forums.slimdevices.com/showt...music-streamer (per previous answer)

    Plenty of options
    LMS 8.2 on Odroid-C4 - SqueezeAMP!, 5xRadio, 5xBoom, 2xDuet, 1xTouch, 1xSB3. Sonos PLAY:3, PLAY:5, Marantz NR1603, Foobar2000, ShairPortW, 2xChromecast Audio, Chromecast v1 and v2, Squeezelite on Pi, Yamaha WX-010, AppleTV 4, Airport Express, GGMM E5, RivaArena 1 & 3

  7. #7
    Junior Member
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    Apr 2021
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    Quote Originally Posted by philippe_44 View Post
    If you want just the player but with amplifier, you might consider our SqueezeAMP https://forums.slimdevices.com/showt...ifier-receiver
    @philippe_44

    This may be a really dumb question but how powerful is 2x20 watts? [smart answer; 40W ] As I said I was considering driving a pair of ceiling speakers. If I look at speakers in the $25-50 per pair range it's it's hard to find a pair that are less than 150 watts peak per speaker with many claiming 300 watts peak output.

    I know there are AMP hats for the RPi like the MERUS that claim 40 amp but I'm pretty sure that's total output (so 2x20W).

    If I want any higher it looks like I'd need an external amp. I often have tools running which have loud fans, so quite a bit of background noise.
    Last edited by dorkshoei; 2021-04-05 at 08:19.

  8. #8
    Junior Member
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    Apr 2021
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    5
    Quote Originally Posted by dorkshoei View Post
    @philippe_44

    This may be a really dumb question but how powerful is 2x20 watts? [smart answer; 40W ] As I said I was considering driving a pair of ceiling speakers. If I look at speakers in the $25-50 per pair range it's it's hard to find a pair that are less than 150 watts peak per speaker with many claiming 300 watts peak output.

    I know there are AMP hats for the RPi like the MERUS that claim 40 amp but I'm pretty sure that's total output (so 2x20W).

    If I want any higher it looks like I'd need an external amp. I often have tools running which have loud fans, so quite a bit of background noise.
    My PC speakers are Altec Lansing ACS45.1 which is spec'd at 6W per channel and they are plenty loud. Though I think the typical PC sound card output is higher than on the RPi.

    The general rule of thumb I've found is a room 18 feet by 18 feet, with 9-foot ceilings needs between 2x25W to 2x40W depending on the efficiency of the speakers.

    I'm baffled by the power ratings of some of these ceiling speakers. I guess it's the "more watts is better" where people have 400W home theater amps and never turn them beyond 2?

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