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  1. #1

    Building an RPI based AMP for the Touch

    Has anyone done this?? I can find endless descriptions & instructions for building a replacement Touch with a DAC etc, but not for just building an Amp itself.

    I have a selection of Speakers but no amps PLUS I have a brand new Touch which i would like to get up & running.

    Any advice or experience I can draw on??

    Recently, the Allo kit is being well reviewed ..

    Thank you in advance ..

    Andrew

  2. #2
    Babelfish's Best Boy mherger's Avatar
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    Building an RPI based AMP forthe Touch

    You don't need a computer (Pi) to build an amp. Just get an amp instead...

    --

    Michael

  3. #3
    Quote Originally Posted by mherger View Post
    You don't need a computer (Pi) to build an amp. Just get an amp instead...

    --

    Michael
    I know - just thought it would be a neat & simple way of doing things ... certainly smaller than the average amp & the quality of some of the Amp boards available are extremely good (apparently!). Perhaps better than I can afford otherwise ...

    A

  4. #4
    Babelfish's Best Boy mherger's Avatar
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    Building an RPI based AMP forthe Touch

    There's eg. https://www.justboom.co/product/justboom-amp/ - looks like a
    small Pi hat, but can be used standalone, too (AFAIK).

    --

    Michael

  5. #5
    Thank you Michael - I had not seen that one ..

  6. #6
    Junior Member
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    IQAudio

    IQAudio has a DAC+AMP HAT:
    http://iqaudio.co.uk/hats/9-pi-digia...411999650.html

    IQAudio might not have their marketing on the same level as Allo or Hifiberry, but the quality at least on the same level.
    2x Touch, working on a Odroid-C2/Soekris-DAC/Hypex-Ncore all-in-one solution.

  7. #7
    Senior Member Jeff07971's Avatar
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    As has been said earlier having a RPi based amp is rather pointless, all are low power and are designed to fit directly to the RPi

    Do you want a module to do a DIY amp or a cased finished product ?

    If you want cased then there are a few recommendations here
    http://forums.slimdevices.com/showth...l=1#post900249

    If you want DIY theres :-

    https://hifimediy.com/ I use several T2's they are excellent (60w-90w /ch) and also T3s's (over 300w/ch)

    https://icepower.dk/products/amplifier-power-modules/ I use 300ASC's again excellent and powerful (300w/ch)
    Are often on ebay

    All the above are Class D or T amplifiers which are light small and powerful due to their efficiency a search for "Class D amplifier" will get you lots of ideas
    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

  8. #8
    Senior Member Greg Erskine's Avatar
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    Hi sherington,

    I have always used DIY amps in my Squeezebox system.

    DIYaudio is probably the premier DIY Audio site: http://www.diyaudio.com/

    One of the simplest amps is called a "chip amp" or "gainclone".

    http://users.tpg.com.au/gerskine/greg/gainclones.htm

    regards
    Greg

  9. #9
    Senior Member Mnyb's Avatar
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    Yes the rpi also replaces the squeezebox , that could be a bonus if you want that
    --------------------------------------------------------------------
    Main hifi: Touch + CIA PS +MeridianG68J MeridianHD621 MeridianG98DH 2 x MeridianDSP5200 MeridianDSP5200HC 2 xMeridianDSP3100 +Rel Stadium 3 sub.
    Bedroom/Office: Boom
    Kitchen: Touch + powered Fostex PM0.4
    Misc use: Radio (with battery)
    iPad1 with iPengHD & SqueezePad
    (spares Touch, SB3, reciever ,controller )
    server HP proliant micro server N36L with ClearOS Linux

    http://people.xiph.org/~xiphmont/demo/neil-young.html

  10. #10

    Thank you everyone ...

    You have all given me a lot to research & think about -

    Thank you all for taking the time to post your thoughts & suggestions.

    Regards

    Andrew

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