2
SPECIFICATIONS
ULX1 Transmitter Input
(
Figure 1)
Connector:
TA4F
Input Configuration:
Unbalanced, active
Actual Impedance:
18 k
Ω
with lavalier microphone
1 M
Ω
with instrument cable
Maximum Input Level:
6 Vp–p (+7 dBV) for 1% THD at minimum gain setting
using 1 kHz signal.
TA4F Connector Pin Assignments:
Pin 1: Tied to Ground
Pin 2: Tied to +5 V
Pin 3: Tied to Audio
Pin 4: Tied thru 20k
Ω
Resistor to Ground.
(On instrument adapter cable, Pin 4 floats)
Voltage for Remote Power:
+5 V supplied to microphone cartridge
27 pF
20K
Ω
27 pF
+5 V
AUDIO
GROUND
ULX1 MIC JACK BOARD
2
1
4
500
Ω
500
Ω
MICROPHONE
ELEMENT
3
2
1
3
4
NOTE:
LAVALIER MIC TIES PINS 3 AND 4
TOGETHER; GUITAR CABLE DOES NOT.
FIGURE 1
ULX1 Transmitter Output
Actual Impedance:
50
Ω
Nominal Output Level:
20 mW
Maximum Output Level:
30 mW
Pin Assignments:
Shell = Ground
Center = Signal
ULX2 Transmitter Input
Input Configuration:
Unbalanced, active
Actual Impedance:
20 k
Ω
Maximum Input Level:
3 Vp–p (0.5 dBV) for 1% THD at minimum gain setting
using 1 kHz signal.
ULX2 Transmitter Output
Actual Impedance:
50
Ω
Nominal Output Level:
20 mW
Maximum Output Level:
30 mW
Pin Assignments:
Shell = Ground
Center = Signal
