3
Overall Dimensions
U1: 92.2 mm L x 64.7 mm W x 24.2 mm D (3–29/32 x 2–35/64 x 61/64 in.)
U2/58:254 mm L x 50.8 mm Dia. (10 x 2 in.)
U2/BETA 58: 254 mm L x 53.2 mm Dia. (10 x 2–3/32 in.)
U2/87:228.6 mm x 49.2 mm Dia. (9 x 1–15/16 in.)
U2/BETA 87: 216 mm L x 50.8 mm Dia. (8–1/2 x 2 in.)
U4S/U4D: 44.5 mm H x 482.6 mm W x 295.3 mm D (1–3/4 x 19 x 11–5/8 in.)
Net Weight
U1: 175.2 g (6.1 oz.) without battery
U2/58, U2/BETA 58: 375.6 g (13.2 oz.) without battery
U2/87, U2/BETA 87: 303.1 g (10.7 oz) without battery
U4S: 3.30 kg (7.27 lbs)
U4D: 3.85 kg (8.48 lbs)
Certification
U1, U2: EMC Approved to ETS 300 445. RA Type Approved in the U.K. to MPT1350.
U4S, U4D: VDE Certified to EN 60 950. EMC Approved to ETS 300 445. Meets Low
Voltage Directive.
UHF Type Approved and EMC Approved systems are eligible to carry the CE
marking.
U1 Transmitter Input (Figure 1)
Connector:
4-Pin Female Miniature Connector (TA4F) 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.
4-Pin Miniature Connector
(TA4F) 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 Transmitter Output
Connector:
SMC
Actual Impedance:
50
Ω
Nominal Output Level:
+10 dBm
Maximum Output Level:
+11 dBm
Pin Assignments:
Shell = Ground
Center = Signal
