Irmo, SC, United States
About this listing
The Heritage Audio PDI One Passive Direct Box is a high-quality passive DI box that transparently converts your instrument or line source into a balanced signal for your console or interface. Built with a custom transformer and sturdy steel housing, it preserves your tone while eliminating hum and ground noise without coloring your sound.
The Heritage Audio PDI One is a premium single-channel passive DI box designed to transparently convert high-impedance instrument or line signals into balanced low-impedance outputs with minimal coloration. It relies on a custom HA-DI transformer (nickel core, MU metal shielding) to deliver clean signal transfer while rejecting hum, buzz, and interference. Because it is completely passive (no power required), the PDI One is ideal for reliably sending keyboards, synths, drum machines, or other active instruments directly into a mixing console or front end, while preserving their natural tone and avoiding any added distortion or artifacts! The PDI One is the single channel version of the .
Heritage Audio PDI One Passive Direct Box Features
Single-channel passive DI (no external power required)
Custom HA-DI transformer (nickel core + MU metal shielding) for transparent signal transfer and noise immunity
Effectively eliminates hum and buzz from ground loops
Virtually zero phase shift or harmonic distortion
15 dB pad for handling higher signal levels
Ground lift switch to disconnect ground path when needed
Heritage Audio PDI One Passive Direct Box Specifications
Transformer: HA-DI custom made (nickel core, MU metal shielding)
Frequency response: 20 Hz to 18 kHz
Input/Thru: gold-plated 1/4" jacks
Output: gold-plated XLR (balanced)
Circuit board: MIL-spec with full ground plane
Switch durability: metal switches rated > 25,000 cycles
Heritage Audio PDI One Passive Direct Box Includes
Heritage Audio PDI One Passive Direct Box
Manufacturer Warranty
PriceA$127.82
+ A$145.45 Shipping
A$88.14 shipping when combined
14-Day Return Policy
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