OSD Audio Nero HTD Series Owner's Manual
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OSD Audio Nero HTD Series Owner's Manual

Multi channel ht amplifier
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HTD SERIES MULTI CHANNEL HT AMPLIFIER OWNER'S MANUAL
HTD8150 | HTD6150 | HTD4150
GAIN
GAIN
BRIDGED
STEREO
MONO
CH 8
CH 7
INPUT
INPUT
(bridge)
BRIGHT
TRIGGER
DIM
4Ω
4Ω
OUTPUT
OUTPUT
OFF
INPUT
OUTPUT
C
C
BRIDGED
FRONT LEDS
8Ω
GAIN
CH 6
INPUT
BRIGHT
TRIGGER
DIM
OUTPUT
OFF
INPUT
OUTPUT
C
C
FRONT LEDS
GAIN
CH 4
INPUT
BRIGHT
TRIGGER
DIM
OUTPUT
OFF
INPUT
OUTPUT
C
C
FRONT LEDS
GAIN
GAIN
GAIN
BRIDGED
STEREO
MONO
CH 6
CH 5
CH 4
INPUT
INPUT
(bridge)
INPUT
4Ω
4Ω
OUTPUT
OUTPUT
OUTPUT
BRIDGED
8Ω
427MM
GAIN
GAIN
BRIDGED
BRIDGED
STEREO
MONO
STEREO
MONO
CH 5
CH 4
INPUT
(bridge)
INPUT
4Ω
4Ω
4Ω
4Ω
OUTPUT
OUTPUT
BRIDGED
BRIDGED
8Ω
8Ω
GAIN
BRIDGED
STEREO
MONO
CH 3
INPUT
(bridge)
4Ω
4Ω
OUTPUT
BRIDGED
8Ω
GAIN
GAIN
GAIN
BRIDGED
BRIDGED
STEREO
MONO
STEREO
MONO
100
CH 3
CH 2
80
120
CH 1
45
200
INPUT
INPUT
(bridge)
INPUT
(bridge)
30
300
FREQ.(Hz)
LP OFF HP
4Ω
4Ω
4Ω
4Ω
OUTPUT
OUTPUT
OUTPUT
BRIDGED
BRIDGED
8Ω
8Ω
GAIN
GAIN
GAIN
BRIDGED
STEREO
MONO
2023-12-06
GROUND
100
ISOLATION
CH 3
CH 2
80
120
CH 1
45
200
INPUT
INPUT
(bridge)
INPUT
(bridge)
30
300
FREQ.(Hz)
LP OFF HP
4Ω
4Ω
OUTPUT
OUTPUT
OUTPUT
BRIDGED
8Ω
GAIN
GAIN
BRIDGED
STEREO
MONO
2023-12-06
GROUND
100
CH 2
80
120
CH 1
ISOLATION
45
200
INPUT
(bridge)
INPUT
30
300
FREQ.(Hz)
LP OFF HP
4Ω
4Ω
OUTPUT
OUTPUT
BRIDGED
8Ω
2023-12-06
POWER
GROUND
ISOLATION
FLOAT
RC
GND
100/120V~60Hz T16AL 250V
220/240V~50Hz T8AL 250V
POWER
FLOAT
RC
GND
100/120V~60Hz T12AL 250V
220/240V~50Hz T6AL 250V
MAX 1125W
POWER
FLOAT
RC
GND
100/120V~60Hz T8AL 250V
220/240V~50Hz T4AL 250V
MAX 750W

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Summary of Contents for OSD Audio Nero HTD Series

  • Page 1 HTD SERIES MULTI CHANNEL HT AMPLIFIER OWNER’S MANUAL HTD8150 | HTD6150 | HTD4150 GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN POWER BRIDGED BRIDGED BRIDGED BRIDGED STEREO MONO STEREO MONO STEREO MONO STEREO MONO GROUND ISOLATION CH 8 CH 7 CH 6 CH 5 CH 4...

  • Page 2: Important Saftey Instructions

    HTD SERIES MULTI CHANNEL AMPLIFIER OWNER’S MANUAL WARNING • TO PREVENT FIRE OR SHOCK HAZARD, DO NOT USE THIS PLUG WITH AN EXTENSION CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE. • TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.

  • Page 3: Thermal Protection

    HTD SERIES MULTI CHANNEL AMPLIFIER OWNER’S MANUAL Introduction Congratulations on buying one of the most flexible and powerful home theater or multichannel amps available. These are the ideal amps for mounting in confined spaces such as racks, credenzas, and cupboards. They are also ideal for running for long periods of time without having to worry about over-heating. The internal fans are extremely quiet, only turning on when needed. Each of the HTD amplifiers are configured in such a way that any, or all, of the channels can be bridged for maximum power into 8 Ohms. Two of the channels can also be bridged and used as a subwoofer amp with available controls for cross-over frequency control and well as phase and level control. The amps can also be configured to turn on automatically when a 12 v signal is detected and turn off again when not detected. This is useful when the amp is not easily accessible, or you wish to simplify the turn-on/off procedure. Front panel LED’s indicate status or warn of wiring issues, and a ground isolating switch is available to help troubleshoot hum issues. Welcome to the OSD family. Thermal Protection All HTD amplifiers are designed with special circuitry to safeguard the amplifier under a thermal overload condition. Thermal protection mode will only engage when the unit has been run at high volume for extended periods without adequate ventilation and when speaker impedances are below the minimum levels for the amplifier. In thermal In protection mode, the amplifier will automatically stop output. If this fault occurs, turn off the amplifier and check that the speaker impedance rating is above the minimum rating. Also, check for adequate ventilation around the amplifier and make necessary adjustments. The amplifier may be powered back on once the unit has cooled to safe operating tem- peratures. Protection Circuitry Special circuitry has been designed into the HTD Series Multi-Channel Amplifiers to safeguard under a short-circuit condition. A faulty speaker can also cause a short circuit condition. The Zone LED indicator will blink rapidly between red and blue. If this fault condition occurs, turn off the amplifier and check speakers for short circuit conditions when appropriate. Installation Note: the default gain for each channel is set to zero volume. Please adjust for each channel to set the max volume level for each zone. Typically, once you set it you forget it. Instead relying on your source device to control the master volume.

  • Page 4: Front Panel

    HTD SERIES MULTI CHANNEL AMPLIFIER OWNER’S MANUAL Front Panel GAIN GAIN GAIN GAIN GAIN GAIN POWER BRIDGED BRIDGED BRIDGED STEREO MONO STEREO MONO STEREO MONO GROUND ISOLATION CH 6 CH 5 CH 4 CH 3 CH 2 CH 1 FLOAT INPUT INPUT INPUT...

  • Page 5: Rear Panel

    HTD SERIES MULTI CHANNEL AMPLIFIER OWNER’S MANUAL Rear Panel GAIN GAIN GAIN GAIN GAIN GAIN POWER BRIDGED BRIDGED BRIDGED STEREO MONO STEREO MONO STEREO MONO GROUND ISOLATION CH 6 CH 5 CH 4 CH 3 CH 2 CH 1 FLOAT INPUT INPUT INPUT...

  • Page 6: System Diagram Examples

    HTD6150 POWER Front Panel Font PANTONE: 871C Gold Metallic HTD SERIES MULTI CHANNEL AMPLIFIER OWNER’S MANUAL MODEL: HTD4150 HTD6150 This product is built in a UL certified factory and meets the UL 62368-1 requirements. System Diagram Examples POWER Rear Panel Font Rear Panel HTD4150 PANTONE: Black...

  • Page 7: Specifications

    HTD SERIES MULTI CHANNEL AMPLIFIER OWNER’S MANUAL Specifications Model HTD-4150 HTD-6150 HTD-8150 Specification Parameter Measured in OUTPUT POWER(RMS)(UNIT:W),@.1% THD (SINGLE 4 Ohms Watts CHANNEL) OUTPUT POWER(RMS)(UNIT:W)@1% THD (SINGLE 4 Ohms Watts CHANNEL) OUTPUT POWER(RMS)(UNIT:W)@.1% THD (SINGLE 8 Ohms Watts CHANNEL) OUTPUT POWER(RMS)(UNIT:W)@1% THD (SINGLE 8 Ohms Watts...

  • Page 8: Warranty Information

    Any OSD Audio product purchased from an unauthorized dealer or other source, including retailers, mail order dealers and online sellers will not be honored or serviced under existing OSD Audio warranty policy. Any sale of product by an unauthorized source or other manner not authorized by OSD Audio shall void the warranty on the applicable product.

This manual is also suitable for:

Nero htd4150Nero htd6150Nero htd8150

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