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  1. #11
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    Thelink was OK Ian, I managed to navigate to the AKG page, but thanks for the correct link anyway

    Drop me a PM and we can discuss a loan, no problemo

    ronnie

  2. #12
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    Quote Originally Posted by ian_heys View Post
    Ronnie, I had to give up cycling a couple of years ago and my interest in the grand tours has declined I'm afraid but I do like watching the track cycling at the various events. Apparently there are some here in Birmingham next year at the Commonwealth Games. Maybe I'll go to one or two of those. I'm 74 now, I know my hearing isn't what it used to be in frequency terms but the music still sounds great when I've got my headphones on.

    You have loads of DAC's and players always wanted to try a Khadas Tone Board but haven't got round to it yet.

    Incidentally I noticed I inadvertently referred you to an incorrect link in my last post. The correct link for AKG's etc is:

    https://custom-lynx.co.uk/product/cu...gold-contacts/

    Picture of my Pi 4B/IQ Audio Dac+/Samsung SSD/Topping Headphone Amp Server/Player
    The Khadas Tone Board is an incredibly good DAC for its price but decent cases are difficult to find. The best one I found was Audiophonics
    Jim
    https://jukeradio.double6.net


    VB2.4 storage QNAP TS419p (NFS)
    Living Room Joggler & Pi4/Khadas -> Onkyo TXNR686 -> Celestion F20s
    Office Joggler & Pi3 -> Denon RCD N8 -> Celestion F10s
    Dining Room SB Radio
    Bedroom (Bedside) Pi Zero+DAC ->ToppingTP21 ->AKG Headphones
    Bedroom (TV) & Bathroom SB Touch ->Denon AVR ->Mordaunt Short M10s + Kef ceiling speakers
    Guest Room Joggler > Topping Amp -> Wharfedale Modus Cubes

  3. #13
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    Quote Originally Posted by d6jg View Post
    The Khadas Tone Board is an incredibly good DAC for its price but decent cases are difficult to find. The best one I found was Audiophonics
    I use one the same as this

    https://www.amazon.co.uk/youyeetoo-K.../dp/B07VRS4YDG

    I got mine from a dealer on the fishie forum

    ronnie

  4. #14
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    Audiophonics case.

    Khadas Tone Board sitting on top of Pi4 in Pibox Pro case. The width dimension is the same on both as luck would have it.




    Sent from my iPhone using Tapatalk
    Jim
    https://jukeradio.double6.net


    VB2.4 storage QNAP TS419p (NFS)
    Living Room Joggler & Pi4/Khadas -> Onkyo TXNR686 -> Celestion F20s
    Office Joggler & Pi3 -> Denon RCD N8 -> Celestion F10s
    Dining Room SB Radio
    Bedroom (Bedside) Pi Zero+DAC ->ToppingTP21 ->AKG Headphones
    Bedroom (TV) & Bathroom SB Touch ->Denon AVR ->Mordaunt Short M10s + Kef ceiling speakers
    Guest Room Joggler > Topping Amp -> Wharfedale Modus Cubes

  5. #15
    Senior Member mooblie's Avatar
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    Feb 2008
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    The Scottish Highlands
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    214

    Capacity used? Duration of playback?

    May I ask (to anyone doing this):

    a) what capacity powerbank (mAh)?
    b) roughly what duration of portable playback do you get from a full charge?

    Thanks in advance!
    Martin

  6. #16
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    Quote Originally Posted by mooblie View Post
    May I ask (to anyone doing this):

    a) what capacity powerbank (mAh)?
    b) roughly what duration of portable playback do you get from a full charge?

    Thanks in advance!

    Well, mine are all old Anker units, 10000mAH (max output 3.0 amps).

    It has two 5 Volt outputs but the both don't supply 3 amps each

    So I would say you want 5 volts at 3 amps through at least one output, as the current draw is often greater at power on.

    I have some older ones which allow "pass through" which means they can be charged at the same time they are being used.

    Non are modern enought to have "Smart" connections so I don't know if that feature will be a help or hindrance.

    Length of use depends on volume and workload put upon the rapberry pi, also the impedance of the headphones. (that's a techie as I get )

    Are you near to Dingwall at all ?

    ronnie

  7. #17
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    Dec 2005
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    Sutton Coldfield, UK
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    Quote Originally Posted by mooblie View Post
    May I ask (to anyone doing this):

    a) what capacity powerbank (mAh)?
    b) roughly what duration of portable playback do you get from a full charge?

    Thanks in advance!
    I use an Anker 20100 which Amazon say can supply up to 4.8A. It has four blue leds indicating the state of charge. I tend to recharge mine when it gets down to 2 leds showing. Can't say how long it would run till the battery was flat, haven't tried using that way. I did buy my (very short) USB lead from Anker, no use having a cheap, longer than needed USB lead absorbing some of the power.
    Last edited by ian_heys; 2021-08-21 at 23:51. Reason: Grammar correction
    Music Store and VPN Server: Synology DS215J NAS
    Study Server: LMS 8.2.0 on Pi 4B pCp 8.0.0/IQ Audio DAC+
    Refurbished 1962 RCA Stereo Console Server/Player LMS 8.2.0 on Pi 4B pCp 8.0.0/IQ Audio DAC+
    LAN Players: x2: pCp 8.0.0 on Pi 3B / IQ Audio DAC+
    LAN Player/ADC pCp 8.0.0 on Pi 3B / IQ audio Codec +
    PC Players: x2: Squeezelite on Windows 10 PC.
    VPN Mobile & Car Player: Material/SqueezePlayer on Android Phone

  8. #18
    Senior Member
    Join Date
    Dec 2005
    Location
    Sutton Coldfield, UK
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    797
    Quote Originally Posted by d6jg View Post
    Here is mine sans headphones
    Neat. Guess the battery usage is somewhat lower with the Pi Zero W.
    Music Store and VPN Server: Synology DS215J NAS
    Study Server: LMS 8.2.0 on Pi 4B pCp 8.0.0/IQ Audio DAC+
    Refurbished 1962 RCA Stereo Console Server/Player LMS 8.2.0 on Pi 4B pCp 8.0.0/IQ Audio DAC+
    LAN Players: x2: pCp 8.0.0 on Pi 3B / IQ Audio DAC+
    LAN Player/ADC pCp 8.0.0 on Pi 3B / IQ audio Codec +
    PC Players: x2: Squeezelite on Windows 10 PC.
    VPN Mobile & Car Player: Material/SqueezePlayer on Android Phone

  9. #19
    Senior Member
    Join Date
    Dec 2005
    Location
    Sutton Coldfield, UK
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    797
    Quote Originally Posted by d6jg View Post
    The Khadas Tone Board is an incredibly good DAC for its price but decent cases are difficult to find. The best one I found was Audiophonics
    Thanks for the responses on the Khadas Tone Board.

    I have other projects on the go at the moment and don't have the time to devote to following this up.
    Music Store and VPN Server: Synology DS215J NAS
    Study Server: LMS 8.2.0 on Pi 4B pCp 8.0.0/IQ Audio DAC+
    Refurbished 1962 RCA Stereo Console Server/Player LMS 8.2.0 on Pi 4B pCp 8.0.0/IQ Audio DAC+
    LAN Players: x2: pCp 8.0.0 on Pi 3B / IQ Audio DAC+
    LAN Player/ADC pCp 8.0.0 on Pi 3B / IQ audio Codec +
    PC Players: x2: Squeezelite on Windows 10 PC.
    VPN Mobile & Car Player: Material/SqueezePlayer on Android Phone

  10. #20
    Pi Zero WH with 1.3" display. A work in progress, using LMSTools python lib. Joystick for <<,>>,Pause/Play,Volume +/-.
    Apple USB-C headphone dongle with adapter. Waiting for battery HAT...

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    piTouchÖ w/JustBoom DigiHat -> RME ADI-2 DAC FS -> JBL 305P MkII monitors; LMS 8.2 on piCorePlayer/Pi 4; Material Skin.

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