User guide

True to the Music
Radial Engineering Ltd. PZ-DI mkII
®
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 confi guration: .................................... 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
+
-
IMPEDANCE
SELECTOR
PAD
SWITCH
CLASS A
BUFFER
VARIABLE
FREQUENCY
HIGH PASS
FILTER
PHASE
INVERTER
POLARITY
REVERSE
SWITCH
PHANTOM
SOURCE
ISOLATED
POWER SUPPLY
LOW
PASS
FILTER
GROUND LIFT
OUTPUT
FET
R19
2.21K
R18
2.21K
+
C12
47uF
25V
+
C10
47uF
25V
1
2
3
J3
5
4 6
S1-B
1
2
5
6
9
10
J2-A
3
4
7
8
11
12
J2-B
9