UBBU
USER MANUAL
THIS UNIT MUST
BE EARTHED
UBBU2
UBBU4
Quick Start Guide
Bi-directional Unbalanced to Balanced Converters
UBBU 2 & 4 : 1& 2 Stereo Channel Converters
Full User Manual Can Be Downloaded From:
www.glensound.co.uk/Manuals/Signature/UBBU Manual.pdf
AUDIO BLOCK DIAGRAM:
INTERNAL
100 - 240 VAC
FUSE
AC/DC PSU
+12V
-12V
CEW
EXT DC +/-12V
UNBALANCED INPUTS
BALANCED INPUTS
UNBALANCED INPUTS
PRESET GAIN
BALANCED OUTPUTS
PRESET GAIN
UNBALANCED OUTPUTS
PRESET GAIN
BALANCED OUTPUTS
PRESET GAIN
BALANCED INPUTS
UNBALANCED OUTPUTS
USER CONTROLS
STANDARD XLR AUDIO PINOUTS:
RCA PHONO
WIRING:
1. POWER ON
LED
8. EXTERNAL DC IN
9. AC MAINS INPUT
GAIN/ LOSS
2. UNBALANCED
STEREO INPUT
6. UNBALANCED
INPUT GAIN/
LOSS
3. BALANCED STEREO
OUTPUT
7. UNBALANCED
OUTPUT 2
4. BALANCED STEREO
INPUT
5. UNBALANCED
STEREO OUTPUT
1 2
3
XLR PLUG (MALE)
CONTACT
SLEEVE
Glensound
6 Brooks Place, Maidstone
Kent, UK, ME14 1HE
Tel: +44 (0)1622 753662
www.glensound.co.uk
1: Ground/ Earth
2: INPHASE/ POSITIVE/ MIC +
3: MATE/ NEGATIVE/ MIC -
CONTACT: Signal
SLEEVE: Common/ Earth
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