LA Audio Microphone Preamplifier UB282 Specifications

UB282
Microphone Preamplifier.
Section A is a transformer balanced, low noise microphone preamplfier with front panel gain trim.
Section B is a transformer balanced line output amplifier with front panel level trim.

CONNECTIONS AND CONTROLS

UB282
Mic Gain Trim
Section A
Output
Trim
Section B
Level

BLOCK DIAGRAM

Section A - Mic preamplifier
Phantom
IN
Section B - Line output
Phase
OUT
Please note that each section is independant.
In keeping with our policy of continuous improvement LA Audio reserves the right to alter specifications without prior notice.
Manufactured in the UK by LA Audio, 6-24 Southgate Road, London, N1 3JJ.
Tel: +44 (0)207 923 7447, FAX: +44 (0)207 241 3644. Web: www.laaudio.co.uk. email: sales@laaudio.co.uk
A U D I O An SCV International Group Company.
MIC
IN
OUT
Pin 2 Hot (+)
Mic Out
Mic Gain
Line In
Output Level
Output phase
Pin 3 Hot (+)

SPECIFICATIONS

MICROPHONE SECTION

Frequency Response
EIN
THD
Gain range
Input impedance
CMRR
Max input level
Output impedance
Phantom power

OUTPUT SECTION

Frequency response
Output impedance
Input impedance
Max output level
Gain range
Output noise

POWER SUPPLY

+15v
0V
-15v
Phantom power
On Off
+0/-1dB, 20Hz to 20kHz
-126dBu, 200R load
< 0.1% min gain
< 0.05% max gain
22dB to 62dB
1k balanced for 150/200R mics
100dB @ 100Hz
80dB @ 1kHz
60dB @ 10kHz
-2dBu, min gain
-42dBu, max gain
1k unbalanced
+15V
+0, -0.5dB, 20Hz to 20kHz
< 20R
47k
+20dBu
Off to +12dB
< -88dBu
+/-15V @ 20mA
Rev 1.0 11/00.
Mic Out
Mic Out
Line In
Line In