For AlphaTheta EUPHONIA · Raspberry Pi 5

Recording for the EUPHONIA.

An SD image for a Raspberry Pi 5 + Screen. Flash it, plug in and bring digital magic to the beauty of vinyl and rotary mixing!

Coming soon. Fall 2026 · $78 at launch

96 kHz / 24-bit Cloudflare tunnel Serato CV02 Bluetooth in + out

You spent a chunk of dough on the mixer, and recording a set still means a laptop balanced on the flight case. Nero Deck is a Pi that sits behind the booth. It records everything you play and gives your listeners a URL. The laptop stays home.

Flash the card, plug in the mixer, play.

The deck · 11.26″ ultrawide touch screen Rec · clean take · 0 skips

[ deck ui screenshot — 1920×440 ]
wooden faceplate · vu meters · record

On the image

Everything it does.

Recording

Capture runs over the USB cable. Each set produces two files: the untouched 96 kHz WAV and a smaller, limited render for sharing.

capture96 kHz / 24-bit

filesWAV × 2

clean take0 drops

Dual DVS

Put a Serato CV02 control record on either turntable and the Pi decodes the timecode — the decoder comes from xwax. Whatever file you load follows the record through the EUPHONIA's own phono inputs, channel by channel. A loop engine, quantised to the live BPM, feeds the LINE inputs as one more source.

timecodeSerato CV02

routingper-channel

loopsbeat-quantised

Live streaming

The image ships with Cloudflare Tunnel configured, so the stream works from a venue's guest wifi without touching anyone's router. Listeners go to stream.yourname.com. On the same network, your phone can open the stream and double as a monitor.

reachone URL

setupno port-fwd

monitoryour phone

Bluetooth, added to the mixer

The EUPHONIA has no Bluetooth of its own. Nero Deck adds it, both directions: out to speakers or headphones, and in from a phone, fed to the mixer as a source — handy for requests. Both pair from the deck's settings screen.

outPi → speakers

inphone → mixer

The audience page

The page your listeners get.

The stream lives on a public page that opens in any browser. There's nothing to install and nothing to sign up for.

Tap to listen, watch the booth-cam

IRC-style chat, audience ↔ DJ

Heart / fire / hands reactions

Listeners can patch their cam back to your booth

https://stream.yourname.com

[ audience spa screenshot — phone or browser ]
booth-cam · chat · reactions

Bill of materials

What the rig costs.

Raspberry Pi 5 4 GB or more

~ $110

GeeekPi 11.26″ touch screen 1920×440 ultrawide — lives in the faceplate

~ $90

32 GB A2 microSD card the image lives here

~ $10

Pi 27 W power adapter USB-C — the official one

~ $12

USB cable one — Pi to EUPHONIA, audio both ways

~ $10

USB webcam optional — the booth-cam stream

~ $30

AlphaTheta EUPHONIA the one thing this is built around

—

Everything but the mixer

~ $230

Already configured

Nothing left to configure.

Getting a Pi to talk to the EUPHONIA properly took months of trial and error. All of it is baked into the image, so you don't repeat it.

EUPHONIA kernel quirkpre-patched

udev rules for the mixerwritten

systemd unit, deck as applianceenabled

Cloudflare Tunnel setupscripted

$78

One tier · EUPHONIA only

Download the image.

Flash it, boot it, plug the EUPHONIA in. Under ten minutes from download to deck.

Coming soon $78 flash → boot → connect · under 10 min
free updates for the EUPHONIA's lifetime

Built for one mixer.

Nero Deck supports the EUPHONIA and nothing else — its USB audio quirks, its phono stages, its four channels. Supporting one mixer well beat supporting ten badly. If you're on a DJM, we can try — contact us!

one mixer · done properly

SD image · one tier · $78 at launch

Coming soon.

Get notified

launching fall 2026 · flash with Raspberry Pi Imager · boot · play