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Radial Engineering Ltd.

PZ-DI™  User Guide

PowerIng uP

Always make sure levels are turned off before making con-

nections. This will help eliminate turn-on transients that can 

harm more sensitive components such as tweeters. You 

should also test at low volumes before turning up. 

The PZ-DI does not require a battery or power supply to 

make it work. It uses 48V phantom from the mixing console. 

All you do is plug it in, turn the phantom power on at the 

mixing desk and the power LED on the PZ-DI will illuminate 

to let you know you are set to go. 

4

The +48V LED will illuminate when 

phantom power is present.

THRU

INPUT

PAD

1M

10M

220K

-15dB

OFF

MAX

LOAD

FILTER 

LOAD: 1MEG CLASSIC·

·

 10M PIEZO 220K MAGNETIC 

3kHz

HI CUT

SELECT

LO CUT

ouT

ouT

LOAD:

 

Set the load switch to match the type of pickup or instru

-

ment you are using. 

PAD:

 

Set to the outward position to start. Depress to engage 

the PAD if you detect clipping. High output sources like 

digital keyboards and active basses are more likely to 

cause clipping. 

LO CUT:

 

Start with the control turned fully counter-clockwise to 

the OFF (bypass) position. 

HI CUT:

 

Set to the outward position to bypass the high frequency 

filter.

Summary of Contents for PZ-DI

Page 1: ...www radialeng com USER GUIDE PZ DI Piezo Optimized Active Direct Box Radial Engineering Ltd 1588 Kebet Way Port Coquitlam BC V3C 5M5 Tel 604 942 1001 Fax 604 942 1010 Email info radialeng com...

Page 2: ......

Page 3: ...cers while significantly enhancing the musical performance when used with other pickups or instruments This manual has been written to provide you with a full understanding of how to use the PZ DI and...

Page 4: ...cies 7 BOOK END DESIGN Creates protective zone around con nectors switches and potentiometers to prevent damage OUTPUT PANEL 8 NO SLIP PAD Provides electrical and mechanical isolation while keeping th...

Page 5: ...a solid state buffer provides a similar sound to connecting to a 1 meg ohm input on a tube guitar amp The Radial J48 employs this input impedance for this reason and the PZ DI follows suit So if you...

Page 6: ...n the PZ DI will illuminate to let you know you are set to go 4 The 48V LED will illuminate when phantom power is present THRU INPUT PAD 1M 10M 220K 15dB OFF MAX LOAD FILTER LOAD 1MEG CLASSIC 10M PIEZ...

Page 7: ...nt cable set the appropriate load and connect the XLR output to your mixer using a standard mic cable The PZ DI will convert the high impedance unbalanced signal to a balanced low impedance signal tha...

Page 8: ...s sent thru to the amp This setting is typically used with an active instrument such as an acoustic guitar or passive instrument such as a bass where you do not want to amplify the signal before it re...

Page 9: ...hat it cuts the bass frequencies and allows the highs to pass When using acoustic instruments on a live stage the low frequencies generated by the PA system can often cause the top of the instrument t...

Page 10: ...ase the level of the acoustic instrument sound waves from the PA monitors and wall boundaries combine at certain frequencies to create hot spots known as room modes This can cause feedback The 180 pol...

Page 11: ...0K Ohms PAD 15dB Input impedance with PAD on 50K Ohms Output impedance 200 Ohms nominal Power requirement 48V Phantom Power XLR configuration AES standard pin 1 ground pin 2 Hot pin 3 Cold FCC approva...

Page 12: ...product must be returned prepaid in the original shipping container or equivalent to Radial or to an authorized Radial repair center and you must assume the risk of loss or damage A copy of the origin...

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