
Heritage Audio Launches two DI series
10-10-2025Heritage Audio® announces the release of two new DI lines: the P DI Series and the 73 DI Series — both engineered for exceptional performance in professional studio and live environments.
Built on over 15 years of transformer design expertise, these new DI boxes combine Heritage Audio’s renowned analog craftsmanship with rugged reliability and precise tone shaping.
P DI Series — Pure, Passive Transparency
The P DI ONE (single channel) and P DI 2 (dual channel) feature Heritage Audio’s custom-made HA-DI transformer, ensuring ultra-clean, noise-free signal transfer and effective hum elimination. Ideal for instruments where transparency and fidelity are essential, the P DI Series lets your tone shine naturally.
Key Features
- Custom HA-DI nickel core transformer with MU Metal shielding
- Passive, power-free design
- Converts high to low impedance, balances signal cleanly
- Eliminates hum and ground loop noise
- Rugged metal construction for stage and studio use
73 DI Series — Classic 73 Tone, Active Power
The 73 DI ONE (single channel) and 73 DI 2 (dual channel) bring Heritage Audio’s legendary 73-style Class A sound to a dedicated DI format. Featuring a J109 JFET input and 2N3055-driven Class A output stage with a custom transformer, these active DI boxes add warmth, punch, and vintage character to any instrument.
Key Features
- 73-style Class A active circuit
- J109 JFET input (2.2 MΩ impedance)
- 2N3055 output transistor driving custom LO116-style transformator
- Phantom power operation
- Durable extruded aluminum housing
https://www.heritageaudio.com