Sonance 875D MKII Stereo Amplifier User Manual


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The Sonamp 875D MKII utilizes four highly-effi cient Bang & Olufsen ICEpower® digital amplifi ers that provide 65 watts RMS per
channel @ 8 ohms x 8 Channels in a 2U high package with very little heat generation. The Sonamp 875D MKII incorporates BBE
sound enhancement, improving the sound quality of your music at lower listening levels. BBE also restores clarity and defi nition to
spoken voices, which makes paging systems easier to understand without having to run them at high volumes. Multiple audio input
connections (Direct, L/R & Aux) and buffered line outputs make your 875D MKII extremely fl exible, so you can connect the amplifi er
in a variety of ways depending on your particular system’s confi guration. Recessed front-panel controls are tamper-resistant and let
you adjust each channel’s input level and each zone’s auto-on sensitivity. The 875D MKII’s RS-232 connection lets you use a variety
of third-party serial control systems to control almost all of the 875D MKII’s functions, including mute, volume, on/off and BBE per
zone or for the whole amp. It also lets you monitor the amplifi er’s operation from a remote location. Each zone has its own 12V input
and output triggers and defeatable auto-on signal sensing that help maximize power management for the channel confi guration in
use at any time.
Features:
Powerful & Reliable:
• 65W RMS x 8 @ 8 ohms
• Bridgeable: 250W x 4 @ 8 ohms
• Individual protection circuitry for each zone
Compact Size:
• Compact 2U rack height chassis (rack ears included).
• 87% overall amplifi er effi ciency.
High-End Sound Quality:
• ICEpower by Bang & Olufson and BBE sound enhancement provide
audiophile-quality sound for Sonance Architectural Series
®
and Sound
Advance
®
speakers
©2008 Sonance, All Rights Reserved. Sonance, Sonamp, Sonance Architectural Series and Sound Advance are registered trademarks of Dana Innovations.
BBE is a registered trademark of BBE Sound, Inc. ICEpower is a registered trademark of Bang & Olufsen.
Due to continuous product improvement, all features and specifications are subject to change without notice. For the latest Sonance product information, go to: www.sonance.com
SONAMP
875D MKII AMPLIFIER
Sonance
212 Avenida Fabricante
San Clemente, CA 92672-7531 USA
1.800.582.7777
sonance.com
875D MKII EIGHT-CHANNEL POWER AMPLIFIER
Specifi cations:
Number of Channels: 8 (four stereo pairs)
Output Power (Stereo): 65 watts RMS per channel (X8), 0.25%
THD, 20Hz – 20kHz, @ 8 ohms
120 watts per channel (X8), 0.1% THD,
1kHz, @ 4 ohms
Output Power (Bridged): 250 watts per channel (X4) @ 8 ohms
Frequency Response: 20Hz – 20kHz, ±1dB
Total Harmonic Distortion: 0.10% (1kHz, 8 ohms)
0.25% (1kHz, 4 ohms)
Signal to Noise Ratio: -96dB (w/22kHz fi lter)
Input Sensitivity: 1.0V for 75W RMS Output
650 mV w/BBE ON (+3dB)
450 mV w/BBE ON (+6dB)
33-5165
Input Impedance: 10k ohms
Max Source Input Voltage: 4.0 VAC RMS
3.0V AC RMS w/BBE ON
Loop Output Imp. (Buffered): 100 ohms
Serial Protocol: 9600, N, 8, 1, single CR
Power Consumption: 1,200 watts
BTU/HR: 288
AC Fuse: 10A (T10AL ~ 250V)
Dimensions (WxHxD): 16½” x 3
7
/
8
” x 17¼”
(419mm x 98mm x 438mm)
Dim (w/Rack Ears, WxHxD): 19” x 3½” x 17¼”
(483mm x 89mm x 438mm)
Shipping Weight: 24 lbs (11kg)
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
L
R
A
BBE CONTROL
BUS
INPUT
OUTPUT
BUFFERED
DIRECT
LEFT
RIGHT
AUX
DIRECT
LEFT
RIGHT
AUX
DIRECT
LEFT
RIGHT
AUX
DIRECT
LEFT
RIGHT
AUX
DIRECT
LEFT
RIGHT
AUX
AUTO
VOLT
AUTO
VOLT
AUTO
VOLT
AUTO
VOLT
TRIGGER MODE
DIRECT
LEFT
RIGHT
AUX
DIRECT
LEFT
RIGHT
AUX
DIRECT
LEFT
RIGHT
AUX
BBE CONTROL
INPUTS 5 – 24V AC–DC
EXTERNAL TRIGGER
INPUTS 5 – 24V AC–DC
TRIGGER OUTPUTS
12VDC
OFF
LOW
OFF
LOW
OFF
LOW
OFF
LOW
ON
HIGH
ON
HIGH
ON
HIGH
ON
HIGH
1/2 3/4 5/6 7/8
+ 8 – – 7 + + 6 – – 5 + + 4 – – 3 + + 2 – – 1 +
CH
CH1 CH2
DEGDIRB LAMRON DEGDIRB LAMRON
HC LLA
CH
RS-232
1/2 3/4 5/6 7/8
CH 1/2
CH 3/4
CH 5/6
CH 7/8
OFF ON
ALL
S/N
1/2 3/4 5/6 7/8
+ – + – + – + – + –
BRIDGED
8Ω MIN
BRIDGED
8Ω MIN
BRIDGED
8Ω MIN
BRIDGED
8Ω MIN
DEGDIRB LAMRON DEGDIRB LAMRON
+ – + – + – + –
(BRIDGED)
CH3 CH4
(BRIDGED)
CH5 CH6
(BRIDGED)
CH7 CH8
(BRIDGED)
CAUTION: REPLACE WITH THE
SAME TYPE AND RATING FUSE
120V–60Hz 1200W
–FUSE T10AL 250V
RS-232
RS-232
RS-232
RS-232
SONAMP
®
875D MKII
Versatile Inputs, Control and Triggering:
• 11 total inputs (8 Direct inputs, 2 L/R inputs, 1 Aux input) and 3 buffered
Line Outputs (on L/R and Aux inputs)
• Defeatable auto-on signal sensing for use in distributed audio systems
with in-wall volume controls
• Voltage triggers for IR control systems
• Serial control capability (via RS-232 connection) for high level
integration
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