Radial Engineering PZ-DI User Manual page 11

PZ-dI sPeCIfICaTIons and bloCk dIagram
Circuit type: ............................................... Proprietary analog circuit with low-noise FET op-amp
Frequency Response: .............................. 20Hz ~ 20kHz
Maximum input level: ................................ +10dBu
THD+N: .................................................... 0.02%
Dynamic range: ........................................ 105dB
Equivalent input noise: ............................. -98dBu
Maximum Gain: ........................................ +4.6dB
Intermodulation distortion: ........................ 0.04%
Input impedance: ...................................... 10M/1M/220K-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 approval: .......................................... Complies with section 15 of the FCC Rules
Warranty: .................................................. Radial 3-year, transferable
INPUT
THRU
DIRECT
BUFFERED
LOOP
SELECT
Radial Engineering Ltd.
IMPEDANCE PAD CLASS A
SELECTOR SWITCH
BUFFER
PZ-DI Block Diagram
VARIABLE
FREQUENCY
FET
HIGH PASS
FILTER
FILTER
PHASE
INVERTER
9
POLARITY
LOW
REVERSE
PASS
SWITCH
PHANTOM
SOURCE
ISOLATED
POWER SUPPLY
OUTPUT
PZ-DI™ User Guide