
SonicDevices n 9950 Baldwin Place, El Monte CA 91731 n (T) 626-454-8169 n (F) 626-433-1079 n (W) www.sonicdevices.net
Installation and Technical Application Guide
H
NB
TM
D
igital multimedia mixer for Audio, Video and Wireless applications
Page 24
6.1 HB-1S Amp card: Adjustment and Location
SECTION 6.0 - HNB-A + HNB-B + HNB-C MODULE CONNECTIONS AND ADJUSTMENTS
5.2 HNB-70V2X Impedance Matching Transformer (optional) for use with 25V-70V speakers
HNB-70V2X has high performance 30W matching impedance
transformers capable of driving 25V or 70V speakers. Ready-to-
install assembly is housed in a metal UL-CUL approved electrical
junction box with ¾” – 1” electrical knockouts on all (4) sides with
grounding screw, top cover plate with corrosion resistant powder
coat grey paint and comes with electrical wire nuts for 16-18
AWG stranded cable connections.The HNB-70V2X two-channel
transformer is ordered separately.
Shown open
Shown with top cover plate
HNB-A Chassis
(inside front view)
HNB-A
[ AUDIO ONLY SYSTEM ]
RIGHT
SLOT
(HB-1S)
‘J2’
Note: HB-1S Amp card ALWAYS fits into the RIGHT SLOT of HNB-A unit.
HB-1S AMP
(front view)
VOLUME CONTROL
for right and left
channels
PWR
VOL 'L'
VOL 'R'
HB-1S AMP
GREEN
LED
POWER ON
HNB-A Chassis
(front view with Decora wall plate)
(front view with Decora wa
(front view with Decora wa
(front view with Decora wa
(front view with Decora wa
Sansonic HNB A+B+C installmaULb:Sansonic HNB A+B+C installmaULb 6/29/11 6:39 PM Page 24
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