Radial Engineering PZ-DI Direct Box
Best sound enhancement for acoustic instrument amplification.
This active direct box solves the common impedance mismatch issues that plague acoustic and orchestral instruments. By offering selectable input loads and precise filtering, it ensures that piezo and magnetic pickups sound natural and dynamic rather than harsh or thin.
$299.99
at
Full Compass Systems
Who it's for
- Gigging professionals and touring artists needing dependable, durable audio gear.
- Acoustic musicians seeking authentic sound from their piezo-equipped instruments.
- Performers desiring meticulous control over their acoustic instrument's amplified sound.
Who should skip it
- Musicians primarily using instruments without piezo pickups.
- Budget-conscious musicians or those needing a basic, all-around DI.
- Beginners unfamiliar with audio impedance matching or signal chain optimization.
Performance breakdown
Piezo Impedance Matching
The 10 meg-ohm input perfectly tames harsh, brittle piezo pickup transients.
Build Durability
Fourteen-gauge steel construction survives the roughest touring and stage environments.
Signal Versatility
Switchable impedance settings handle everything from active basses to magnetic pickups.
Noise Floor Control
Low-noise FET circuitry keeps your signal pristine and free of interference.
Tone Shaping
High-pass and high-cut filters offer essential control over unruly stage resonance.
Headroom Capacity
Phantom power delivery ensures clean, undistorted audio even with high-output sources.
Key Specs
Audio circuit type
Proprietary analog circuit with low-noise FET op-amp
Frequency response
20Hz ~ 20kHz
Dynamic range
105dB
Equivalent input noise
-98dBu
Maximum gain
+4.6dB
Total harmonic distortion
0.02%
Input impedance
10M/1M/220K-Ohms
Input impedance with PAD on
50K-Ohms
Output impedance
200 Ohms - nominal
Input pad
-15dB
Know before you buy
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