3
Operating Temperature Range
-20
°
to 50
°
C NOTE: Battery characteristics may limit this range
Overall Dimensions
U1: 92.2 mm L x 64.7 mm W x 24.2 mm D
U2/58:254 mm L x 50.8 mm Dia.
U2/BETA 58: 254 mm L x 53.2 mm Dia.
U2/87:228.6 mm x 49.2 mm Dia.
U2/BETA 87: 216 mm L x 50.8 mm Dia
U4S/U4D: 44.5 mm H x 482.6 mm W x 295.3 mm D
Net Weight
U1, U1H: 175.2 g without battery
U2/58, U2/BETA 58: 375.6 g without battery
U2/87, U2/BETA 87: 303.1 g without battery
U4S: 3.30 kg
U4D: 3.85 kg
Certification
U1*, U2: BAPT Type Approved to FTZ 17TR 2019 and BAPT 122 R1; EMC
Approved to ETS 300 445.
U4S, U4D: VDE Certified to EN 60 950. BAPT Type Approved to FTZ 17TR 2019
and BAPT 122 R1; EMC Approved to ETS 300 445. Meets Low Voltage
Directive.
UHF Type Approved and EMC Approved systems are eligible to carry the CE
marking.
*The U1H transmitter does not carry the same approvals as the U1 transmitter.
U1, U1H Transmitter Input
Connector:
Switchcraft TA4F Tini Q-G or
LEMO connector (optional)
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 Tini Q.G. 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)
LEMO Connector
Pin Assignments:
Pin 1: Tied to Pin 3 and 10 k
Ω
to Ground
Pin 2: +5V
Pin 3: Tied to Pin 1
Pin 4: Tied to Shield (Ground for Positive Bias)
Voltage for Remote Power:
+5 V supplied to microphone cartridge
U1, U1H Transmitter Output (Figure 1)
Connector:
SMC
Actual Impedance:
50
Ω
Nominal Output Level:
+10 dBm (+17 dBm for U1H)
Maximum Output Level:
+11 dBm (+18 dBm for U1H)
Pin Assignments:
Shell = Ground
Center = Signal
