PZ-DI - Audio Equipment Radial Engineering - Free user manual and instructions
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| Product Type | Piezo direct box for acoustic instruments |
| Brand | Radial Engineering |
| Model | PZ-DI |
| Input Connection | 1/4-inch TS input jack |
| Output Connections | Balanced XLR output and 1/4-inch tuner output |
| Power Options | 48V phantom power or 9V battery (not included) |
| Input Impedance | 10 megohms for piezo pickups |
| Frequency Response | 10 Hz to 40 kHz |
| Phase Inversion | Polarity invert switch |
| High-Pass Filter | 180 Hz filter to eliminate boominess |
| Pad Switch | 0 dB / -10 dB preset pad |
| Chassis | 14-gauge steel with baked enamel finish |
| Dimensions | 132 x 118 x 63 mm (5.2 x 4.6 x 2.5 in) |
| Weight | 0.64 kg (1.4 lbs) |
| Battery Type | 9V alkaline battery |
| Phantom Power Range | 48V DC |
| Cleaning | Wipe with a dry cloth; avoid solvents |
| Safety | No user-serviceable parts; keep away from moisture |
| Spare Parts and Repair | Available through authorized radial service centers |
| Warranty | 3-year limited warranty |
Frequently Asked Questions - PZ-DI Radial Engineering
Can the PZ-DI handle active pickups?
Yes, but it is optimized for passive piezo pickups. For active pickups, the 10 megohm input still works fine, but the high-pass filter may not be necessary. Use the pad if the signal is too hot.
How do I connect the PZ-DI to a mixing console?
Plug your instrument into the 1/4-inch input, then run an XLR cable from the balanced output to a mixer XLR input. If phantom power is available, engage it on the mixer channel to power the PZ-DI, or install a 9V battery.
Does the PZ-DI require phantom power to operate?
No, it can run on a 9V battery. However, if you connect the XLR to a mixer that supplies 48V phantom power, the unit will automatically use phantom power and bypass the battery for longer battery life.
How does the tuner output work?
The 1/4-inch tuner output is unbuffered and parallel to the main input. Connect it to a tuner or another amplifier without affecting the balanced XLR feed.
What is the 180 Hz high-pass filter for?
The filter rolls off frequencies below 180 Hz to reduce boominess and stage rumble that often occur with piezo pickups. It is engaged via a toggle switch.
How do I use the phase inversion switch?
The phase switch reverses the polarity of the output. Use it to eliminate feedback or to correct phase cancellation with other pickups in a dual-source system.
Can I use the PZ-DI with an electric guitar?
Yes, it will work as a standard DI for electric guitar, but its ultra-high input impedance is specifically designed for piezo pickups, so it may sound brighter than a typical DI.
Is the PZ-DI battery-powered?
Yes, it uses a standard 9V battery. The battery is accessible via the battery compartment on the bottom. For studio use, prefer phantom power.
How to prevent distortion with hot piezo pickups?
Engage the -10 dB pad switch to attenuate the input level. If distortion persists, ensure the mixer gain is set appropriately.
What is the difference between the PZ-DI and the Radial ProDI?
The ProDI is a standard DI with a transformer, while the PZ-DI includes a piezo-specific buffer, high-pass filter, phase switch, and tuner output. The PZ-DI is optimized for acoustic piezo transducers.
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USER MANUAL PZ-DI Radial Engineering
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Product information
Brand : Radial Engineering
Model : PZ-DI
Category : Audio Equipment