TECHNICAL SPECIFICATIONS
 
Circuit Design: Based on classic German Neumann W492 broadcast EQ circuitry
Format: 500 Series (VPR Alliance & GDIY 51X compatible)
EQ Type: 4-Band Equalizer (Shelving Outer Bands / Bell Mid Bands)
Gain Range: +/- 15 dB boost/cut per band (with Center Detent for easy recall)
Input/Output: Balanced THAT 1246 Input & THAT 1646 Output Stages
Power Requirements: Standard +/- 16V DC (500 Series Rack)
 
DETAILED FEATURES
 
Four-Band Precision Control:
Low Band: 50Hz – 400Hz (Shelf mode)
Low-Mid Band: 60Hz – 1kHz (Bell mode)
High-Mid Band: 1kHz – 16kHz (Bell mode)
High Band: 3kHz – 10kHz (Shelf mode)
Integrated Filter:
Low-Cut Filter: 80Hz / 160Hz (24dB/oct) – Internally Switchable
Premium Audio Path: High-headroom design featuring low-noise operational amplifiers, precision resistors, and original WIMA capacitors for pristine audio quality.
Professional Build Quality: Dual-layer PCB with immersion gold finish for maximum signal transfer, durability, and easy soldering.
 
WHAT'S INCLUDED IN THE KIT?
 
This is a Full DIY Kit including all parts for a successful build:
Powder-coated front panel with high-quality printing
All electronic components (resistors, capacitors, ICs, THAT-chips)
Full set of high-quality Sifam knobs
 
(Note: This product requires assembly and soldering skills. Interactive assembly guides are available in our Build Manuals section.)