Sansonic Electronics USA LLC 9950 E. Baldwin Place, El Monte CA 91731 (T) 626-454-8203 (F) 626-433-1079 (W) www.sansonic.net
Installation and Technical Application Guide
HNB
TM
Modular Digital Mixer Amplifiers for Audio and Video
Page 10
3.1 Plug-in Modules: Amplifier Module HB-1S
SECTION 3.0 - HNB-A + HNB-B SYSTEM COMPONENTS
3.2 Plug-in Modules: Pre-amp Module HB-2PA
Amplifier Module (HB-1S)
The HNB amplifier module HB-1S is included with HNB-A. It always plugs into
the RIGHT SLOT (J2) of HNB-A and provides high fidelity Stereo and Mono
audio (digital class-D power) to any 4- or 8-ohm speakers. The HNB amplifier
will support 70V speakers using Sansonic HNB-70V2X matching impedance
transformer unit that may be ordered separately.
Module Features:
• Robust digital class-D architecture with better than 85% efficiency.
• Dual channel 25W into 4-ohm / 12W at 8-ohm operation.
• Mono or stereo operation with full bandwidth operation 20Hz - 20kHz.
• Fits into standard 2-gang electrical box (3.5”DEEP) with Decora wall plate.
• Automatic over current and over temperature protection.
• Manual front volume controls for R+L channels.
• IR control of each channel’s volume, bass, treble, balance (See HB-IR).
• Visible active power status LED’s for each channel (Green).
• Power 24VDC/2.5A from common UL wall power supply.
Preamplifier Module (HB-2PA)
The HNB preamplifier module HB-2PA is an integrated, high fidelity audio
mixer that can be used in the LEFT SLOT of EITHER the HNB-A or the HNB-B
chassis. It provides multiple balanced line inputs at nominal 1V/600 ohm line
level (A+B+C) via phoenix, RCA and 3.5mm connections that can be selected
via IR remote control or a manual front slide switch.
Audio inputs can be shaped for greater intelligibility via front accessible con-
trols for treble, bass and volume. Inputs may be mono or stereo and are auto-
matically routed to the HB-1S amplifier SPEAKER 1 (R) + SPEAKER 2 (L)
and AUDIO LINE OUTPUT (J7) on the rear backplane. An internal audio input
connection used for audio or microphone input has a ducking control (0dB to -
50dB) which automatically ducks the ‘B’ + ‘C’ audio sources when voltage is
present.
Module Features:
• Stereo or Mono operation at full bandwidth of 20Hz - 20kHz.
• Multiple audio source inputs via common phoenix, 3.5mm, RCA terminations.
• Audio source selection via front slide switch (A+B+C).
• Fits into standard 2-gang electrical box (3.5”DEEP) with Decora wall plate.
• AM/FM ‘RF’ and audible noise suppression.
• Signal to noise at 85dB and sensitivity at -16dBu.
• Manual front volume controls for audio and microphone channels.
• IR control of each channel’s volume, bass, treble, balance (see HB-IR).
• Visible active power status LED (Green).
• Power via HNB backplane at 24VDC/2.5A from common power supply.
HB-1S HB-1S
Front view Side view
HB-2PA HB-2PA
Front view Side view
Use in HNB-A RIGHT SLOT
Use in HNB-A or HNB-B LEFT SLOT
(8 paginas)
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