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  1. #31
    Senior Member Julf's Avatar
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    Very cool! Been thinking of doing something similar for portable use - already have one rpi inside a 1950's tube radio.
    "To try to judge the real from the false will always be hard. In this fast-growing art of 'high fidelity' the quackery will bear a solid gilt edge that will fool many people" - Paul W Klipsch, 1953

  2. #32
    Senior Member Jeff07971's Avatar
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    Looking forward to see the details of these:-

    https://www.hifiberry.com/beocreate
    Players: SliMP3,Squeezebox3 x3,Receiver,SqueezeLiteX,PiCorePlayer x3,Wandboard
    Server: LMS Version: Latest Nightly on Centos 7 VM on ESXi 6.5.0U1 on Dell T320
    Plugins: AutoRescan/BBCiPlayer/PowerSave/PowerSwitchIII/Squeezecloud/Spotty/Player Groups
    Remotes: iPeng9/Orangesqueeze/PC/Jivelite/SqueezeLiteX
    Music: 522GB,1660 albums with 23087 songs by 5204 artists mostly FLACs

    Want a webapp ? See http://forums.slimdevices.com/showth...Webapp-for-LMS

  3. #33
    Quote Originally Posted by Pascal Hibon View Post
    Finished the RPI streamer for another friend.
    This one has an internal power supply and is fitted with an SPDIF hat. Initially I planned on using the Hifiberry Digi+ but it doesn't work well with the display. The PCB sits over the display connecter and so obstructing the display cable. The Hifiberry "clone" does not have that issue. The clone also has a better supply filtering on board.
    The streamer also has a 12 volts trigger input so that it is automatically powered on when the preamp is switched on.
    Below are some pictures of the streamer:


    Attachment 23031Attachment 23032
    OK - now I am inspired to clone your work ! I am planning to build in a power supply as well, but will use a Hammond toroidal transformer and a linear dual regulator like this one. This will enable me to separate the power for the Pi and the DAC (I have an Allo Boss). Also planning a combo switch/filter/fuse power input module.

    A couple of questions:
    - does this version use the same Hammond box as your previous ones - just not chopped as much? Looks like it is a lot deeper and I will need the extra room.
    - Looks like you used a longer-than-standard display cable - where did you get that?

    Thanks for a great design!

  4. #34
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    Wiring for high-power PSU

    Some people like me want to give their amp some punch on the cheap and use enclosed PSUs. I thought I'd share about my way of doing this.
    The general design is the same as this one: Pi 3, Justboom AMP Hat, 75W PSU, metal box.

    This enclosure happens to look just vile, sorry for that...
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    There is as little material as possible inside the box, both in quantity and variety. The cables are of the high-temperature, low-smoke type. Ground wires are 2.5mm2, AC wires 1.5mm2, DC wires 0.75mm2. They are oversized considering high ambient temperature. Ground cables must be the last ones to melt, go fat and short. Audio cables are 1.5mm2, same type.
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    Accidental access to mains voltage can kill. I use a grounded alu shield to completely enclose the area. Also note the removable cover is grounded to the case. If the case is anodised, grind it to ensure bare metal contact at ground points. Ensure you have continuity between the earth pin of the power inlet and any part of the box: cover, case, chassis, shield, psu enclosure... everything. (And, no, earthing does not "kill wifi".)
    Also, if you do a bit of cutting/grinding, make sure the inside of the case is clean and dust-free. You don't want a speck of metal to detach, land somewhere and cause a short-circuit.
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    Use a 3-pin power inlet with earth and AC fuse. Dimension your fuse according to the manufacturer's PSU input specifications and the expected power draw. If you can't find the specifications and tests sheet for your PSU... get another one.
    Here you see a 250V/1.25A normal blow fuse. 1.25A is probably a bit large, even considering temperature derating. Also note the insulating adhesive feet under the case.
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    I hope this design is less unsafe than some I see floating around the Internet. And please chime in if you see an issue with it.
    3 SB 3 • Libratone Loop, Zipp Mini • iPeng (iPhone + iPad) • LMS 7.9 (linux) with plugins: CD Player, WaveInput, Triode's BBC iPlayer by bpa • IRBlaster by Gwendesign (Felix) • Server Power Control by Gordon Harris • Smart Mix, Music Walk With Me, What Was That Tune? by Michael Herger • PowerSave by Jason Holtzapple • Song Info, Song Lyrics by Erland Isaksson • AirPlay Bridge by philippe_44 • WeatherTime by Martin Rehfeld • Auto Dim Display, SaverSwitcher, ContextMenu by Peter Watkins.

  5. #35
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    In a nicer looking vintage biscuit box. Sorry again for the eyesore above...
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    3 SB 3 • Libratone Loop, Zipp Mini • iPeng (iPhone + iPad) • LMS 7.9 (linux) with plugins: CD Player, WaveInput, Triode's BBC iPlayer by bpa • IRBlaster by Gwendesign (Felix) • Server Power Control by Gordon Harris • Smart Mix, Music Walk With Me, What Was That Tune? by Michael Herger • PowerSave by Jason Holtzapple • Song Info, Song Lyrics by Erland Isaksson • AirPlay Bridge by philippe_44 • WeatherTime by Martin Rehfeld • Auto Dim Display, SaverSwitcher, ContextMenu by Peter Watkins.

  6. #36
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    Altoids on steroids

    Overly complicated project due to the box opening only from the top.
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    3 SB 3 • Libratone Loop, Zipp Mini • iPeng (iPhone + iPad) • LMS 7.9 (linux) with plugins: CD Player, WaveInput, Triode's BBC iPlayer by bpa • IRBlaster by Gwendesign (Felix) • Server Power Control by Gordon Harris • Smart Mix, Music Walk With Me, What Was That Tune? by Michael Herger • PowerSave by Jason Holtzapple • Song Info, Song Lyrics by Erland Isaksson • AirPlay Bridge by philippe_44 • WeatherTime by Martin Rehfeld • Auto Dim Display, SaverSwitcher, ContextMenu by Peter Watkins.

  7. #37
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    Last one, I think. Housed in a derelict T้nor TS 35 A case, circa 1934.
    The USB thinggie is an EnOcean receiver.
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    3 SB 3 • Libratone Loop, Zipp Mini • iPeng (iPhone + iPad) • LMS 7.9 (linux) with plugins: CD Player, WaveInput, Triode's BBC iPlayer by bpa • IRBlaster by Gwendesign (Felix) • Server Power Control by Gordon Harris • Smart Mix, Music Walk With Me, What Was That Tune? by Michael Herger • PowerSave by Jason Holtzapple • Song Info, Song Lyrics by Erland Isaksson • AirPlay Bridge by philippe_44 • WeatherTime by Martin Rehfeld • Auto Dim Display, SaverSwitcher, ContextMenu by Peter Watkins.

  8. #38
    Senior Member Pascal Hibon's Avatar
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    A friend of mine bought a Roomplayer from Simple Audio a few years back. The streamer has been sitting in the box for a couple of years until he asked me to help him set it up. We did install the streamer together and found out that the Simple Audio software is so outdated and poorly constructed. Since the company went out of business a few years back there was no way to upgrade the streamer.

    The Simple Audio is housed in a beautiful enclosure and it is fitted with a good amplifier (ICEpower 50ASX; an amplifier build by B&O). It would be a shame to let those parts go to waste so I suggested to him to upgrade the Roomplayer to a Squeezebox device. Here are a few pictures of the internals:

    1. The enclosure with the original Simple Audio PCB on right:

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    2. I fitted an aluminum plate that would serve as the bottom plate for the new streamer guts:

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    3. The final setup of the Squeezebox streamer:

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    4. The finished product:

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    From the outside it still looks like a Simple Audio streamer but it now is a Squeezebox.
    If anyone is interested, these are the parts I used:

    * An RPI model B
    * An IQaudio DAC+
    * a 5 volts SMPS
    * a custom made trigger relay board (switches the amp on and off)
    * a piece of breadboard containing the power LED and driver transistors for the LED and relay.

    It's a tight fit but it works great.
    Cambridge Audio 851D-S -> Focal MP1200 -> Focal Electra 1028 Be
    1 x SB Boom, 1 x SB Radio, 1 x SB Touch and 2 x RPI 2B
    1 x SB3 and 1 x SB Touch in storage
    ReadyNAS NVX running LMS 7.9.0.
    iPeng on iPhone, SqueezePad & iPeng on iPad.
    http://www.last.fm/user/phibon

  9. #39
    A bit of a rushed picture, but here is my current main setup.

    Raspberry pi running piCorePlayer into an All Boss DAC which then feeds an Onkyo 9010 amplifier out to KEF LS50 speakers.

    So far very happy with the setup.

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    LMS Server: Mac Mini with music library on Drobo 5D
    Living Room: Raspberry Pi + AlloBoss -> Onkyo A 9010 -> KEF LS50
    Study: Raspberry Pi -> Audio Engine D1 -> Audio Addon Pro T3
    Kitchen: Squeezebox Radio
    Bedroom: SB3 -> B&W Zeppelin

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