3
Net Weight
UC1: 73.50 g (2.59 oz.) without battery
UC2/58, U2/BETA 58: 311.9 g (11 oz.) without battery
UC2/87, U2/BETA 87: 198.5 g (7 oz.) without battery
UC4: 1.22 kg (2 lbs, 11 oz.)
Certification
UC1, UC2: Type Accepted under FCC Parts 74. Certified by IC in Canada under RS 123.
UC4: UL and cUL Listed to UL 813 and CSA C22.2 No. 1. VDE Certified to EN 60 950.
Approved under the DoC provision of FCC Part 15; Certified by IC in Canada under
RS 123.
UC1 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:
9 Vp–p (10 dBV) for 1% THD at minimum gain
setting using 1 kHz signal.
Miniature ConnectorTA4F Pin
Assignments:
Pin 1: Tied to Ground
Pin 2: Tied to +5 V
Pin 3: Tied to Audio
Pin 4: Tied thru 20 k
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
27 pF
20K
Ω
27 pF
+5 V
AUDIO
GROUND
UC1 MIC JACK BOARD
2
1
4
500
Ω
500
Ω
MICRO-
PHONE ELE-
MENT
3
2
1
3
4
NOTE:
LAVALIER MIC TIES PINS 3 AND 4 TOGETHER; GUITAR CABLE DOES NOT.
27 pF
499
Ω
499
Ω
3
27 pF
10K
Ω
AUDIO
SHIELD
1
4
2
BIAS
UC1
UC1L (LEMO 4 PIN) MIC JACK BOARD
FIGURE 1
