ApplePi DAC - Highest Performance Raspberry Pi DAC

Hi Leo,

Other than the HifiBerry Universal Case you noted, any other recommendations of cases one can buy on Amazon to fit the ApplePi ? (Not worried about the cutouts, i can cut or drill those. )

I’m about to buy another RPi from Amazon and want to include a tall case in the order.

Thanx!

Sorry. I am not aware of any other cases.

Thanx. No prob. I bought the recommended case. I may experiment with some modular cases (and 3.5" display). I’ll report back if/when I do with success.

Actually, let me pose a use case to you, and ask your opinion. There are 3.5" touch screen dislays that connect to the 40-pin connector that I want to use as a Roon Zone Display. With the header extender, those pins extend high above the ApplePi board. I want to mount the 3.5" display above the ApplePi. (I’ll add another extender if found I need a little more height)

The question I have for you is, does that pose any concern for you in regard to data input ‘cleanliness’ to the ApplePi (as the screen would be connected to the same bus as the applepi)? Or any type of data interference? I’m most concerned about increase in jitter / noise but any interference means this idea is a no-go.

Thanx for your time.

There is no concern as long as the screen does not use the I2S pins for anything. You can find pin out on my website in the instruction PDF.

Thank you very much Leo!

This pairing is the boss…

No parameteic equalization needed with this pairing as noted above needed w/the Mjolnir.

3 Likes

https://community.roonlabs.com/t/pecanpi-next-generation-raspberry-pi-dac-and-streamer/63919/2

If you have one of our DACs, this is the perfect companion!

Sign up to get updates and receive special early bird pricing on the amazing BOSC™ monoblock amp:

BOSC™ uses the latest in Gallium Nitride (GaN) technology to achieve high performance in a small form factor.

The low on resistance and low capacitance of the GaN FET enables high efficiency and lowers loop impedance for low Transient Intermodulation Distortion (T-IMD). The fast switching capability and zero reverse recovery charge enable higher output linearity and low cross over distortion for lower Total Harmonic Distortion (THD).

Preliminary Specifications:

  • Gain: 16.8dB or 6.92
  • Signal to Noise Ratio (SNR): ~120dB
  • Total Harmonic Distortion (THD): <0.0006% (-105dB) @ 5W
  • Frequency Response: DC - 40kHz
  • Sensitivity: 2.5Vin for 37.5W into 8Ω
  • Input Impedance: 5kΩ fully balanced
  • Output Power: 100W into 8Ω w/ 48V Power Supply
  • Output Power: 150W into 8Ω w/ 56V Power Supply
  • Size: 5.5" (14cm) x 4.8" (12.2cm) x 1.9" (4.8cm)
1 Like

I just had the great opportunity to spend the last two weeks with Leo’s BOSC mono amps and posted my take here:

An early peak - 2 Weeks with Orchard Audio BOSC Monoblock Class D GaN Amps!

I do think these are something special. If you like your music open, honest, highly engaging with life-like detail readily conveyed, I think these are absolutely worth a listen.

2 Likes

The latest incarnation:

Now there is a UK distributor…

Are there any ApplePi DAC HATs still available for sale?

No. Ran out of those a long time ago.

Save 15% during our holiday sale, through December 10th.

www.orchardaudio.com/

Use code “holiday15%” at checkout.

1 Like

Hello , i need some help .
What is the setting for Roon for my Rasperry 4 with Protodac 8x tda1387.
Thanks for info.

Bart Wolters.