TECHNICAL SPECIFICATIONS
Module Compatibility: Standard 500 VPR Alliance modules (15-pin format)
Edge Connectors: 15-position EDAC connector
Test Points: 4 mm Hirschmann banana jacks for standard VPR power rails
Supported Voltage Rails: ± 16 V, + 48 V
Audio I/O: Genuine Neutrik NC3 FAV (female) and MAV (male) XLR connectors
Power Input Options:
NC5 MAV 5-pin XLR input for standard VPR external power supplies
4 mm banana sockets for benchtop laboratory power supplies
5-pin Phoenix terminal strip for daisy-chaining power across multiple boards
Stereo Functionality: Onboard DC Link jumper for Pin 6 stereo compressor sidechain linking
DETAILED FEATURES
Pure 500 VPR Architecture: Optimized exclusively for 15-pin 500-series modules, ensuring a clean and direct layout for standard VPR equipment
Direct Power Rail Probing: Dedicated 4 mm Hirschmann test points provide easy measurement of +16 V, -16 V, and +48 V rails using standard multimeter probes
Modular Multi-Board Expansion: Connect multiple Stereo VPR extension boards in series via 5-pin Phoenix terminals to create a multi-channel calibration rig
Integrated Stereo Sidechain Link: Pin 6 jumper configuration allows seamless sidechain testing for stereo-linked compressor modules
Rugged Audio Connections: Neutrik XLR connectors ensure maximum signal transparency during audio measurements and calibration
CASE PARTS OPTION AND 3D PRINTING
Included in Case Parts Kit: Threaded M3 inserts, M3 assembly screws, and precision front and rear panels
Case Frame Requirement: The main enclosure body is a 3D-printed design. You can download the official 3D STL print files directly from Printables.com and print the housing yourself.
WHAT'S INCLUDED IN THE KIT
Main Stereo VPR Extension PCB and 15-pin EDAC edge connector
Genuine Neutrik XLR connectors and 4 mm Hirschmann banana jacks
5-pin Phoenix terminal block, 5-pin XLR power socket, and power jumpers
Case hardware (if selected): M3 inserts, M3 screws, front and rear panels
Note: Requires soldering. Assembly instructions and 3D print links available in our Build Manuals section.

