ST-UBA2 RADIO DESIGN LABS, ST-UBA2 Datasheet - Page 2

• Manufacturer Part Number: ST-UBA2
• Description: RDL TWO CHANNEL LINE AMPLIFIER, POWER REQUIREMENTS: 24-33 VDC GROUND REFERENCED SUPPLY, 750 MA, FEATURES: EACH OUTPUT HAS AN INDEPENDENT 25 TURN POTENTIOMETER, FOR PRECISE LEVEL SETTING
• Manufacturer: RADIO DESIGN LABS

STICK-ON
Model ST-UBA2
Unbalanced to Balanced Amplifier
TYPICAL PERFORMANCE
Inputs (2):
Input Impedance:
Input Signal Range:
Outputs (3):
Gain:
THD+N:
Freq. Response:
Noise:
Indicators (4):
IMD:
Crosstalk:
Headroom:
Power Requirement:
891-1035C
STEREO SIGNAL
UNBALANCED
LINE-LEVEL
R
SOURCE
POWER
SOURCE
24 VDC
FROM
PWR
PS-24K, or PS-24U2A
GAIN ADJUSTMENT
PS-24A, PS-24E,
Connection to a
Typical Power
25-TURN POT
Power Supply
®
SERIES
Europe [NH Amsterdam] (++31) 20-6238 983; Fax: (++31) 20-6225-287
GAIN
U.S.A. [phone], [phone]; Fax: [phone]
+
Radio Design Labs Technical Support Centers
G
A
N
L
I
Unbalanced line level
10 kΩ
-20 dBV to -10 dBV
+4 dBu balanced (left, right, mono sum)
2 dB to 22 dB Adjustable
< 0.02% (20 Hz to 20 kHz)
20 Hz to 20 kHz (+/- 0.2 dB)
< -85 dB (referred to +4 dBu)
1 green LED per channel indicating 15 dB range below +4 dBu Output Level
1 red LED per channel indicating +4 dBu Output Level
< 0.004%
< -75dB @ 1 kHz
< -60dB @ 10 kHz
> 18 dB above +4 dBu
24 to 33 Vdc @ 75 mA, Ground-referenced
L
INPUTS
R
INPUTS -20 TO -10 dBV
PWR
L OUT
R OUT
OUTPUTS +4 dBu
MONO OUT
G
A
N
R
I
Installation/Operation
EN55103-1 E1-E5; EN55103-2 E1-E4
Typical Performance reflects product at publication time
exclusive of EMC data, if any, supplied with product.
Specifications are subject to change without notice.
GAIN
+
(IDENTICAL SET ON
GAIN ADJUSTMENT
SHOWING RIGHT
ILLUSTRATION
CHANNEL VU
INDICATORS
25-TURN POT
LEFT SIDE)
15 dB below +4 dBu
Output (Green LED)
+4 dBu Output (Red LED)
STEREO SIGNAL
EQUIPMENT
LINE-LEVEL
EQUIPMENT
LINE-LEVEL
BALANCED
BALANCED
FEEDING
FEEDING
SIGNAL
MONO