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Amplifier Owner’s Manual

RMS Power Output 

125w x 4 @ 4 ohms Stereo

 

200w x 4 @ 2 ohms Stereo

 

400w x 2 @ 4 ohms Bridged

Power/Ground Wire Size: 

4 Gauge

Recommend Power Wire Fuse:  

       60a

Dimensions (Includes Mounting Feet):  11.0” L x 6.9” W x 2.0” H

 

        279mm L x 176mm W x 51mm H

Dimensions (Includes Terminals):           11.6” L x 6.9” W x 2.0” H

 

        295mm L x 176mm W x 51mm H

RMS Power Output 

        200w x 1 @ 4 ohms 

 

        300w x 1 @ 2 ohms

Recommend Power Wire Fuse:  

80a 

Power/Ground Wire Size: 

4 Gauge

Dimensions (Includes Mounting Feet):  12.2” L x 6.9” W x 2.0” H

 

        309mm L x 176mm W x 51mm H

Dimensions (Includes Terminals):           12.8” L x 6.9” W x 2.0” H

 

        325mm L x 176mm W x 51mm H

RMS Power Output 

125w x 4 @ 4 ohms Stereo

 

200w x 4 @ 2 ohms Stereo

 

400w x 2 @ 4 ohms Bridged

 

Key Features

ADAPT POWER MANAGEMENT SYSTEM
Full power output from 11 to 15 volts:

 

ADAPT delivers the same output 

power regardless of the vehicle’s electrical system voltage. Instantaneous or 

long term voltage drops have no effect on the amplifier’s power output. This 

means more dynamic and less distorted audio output. 

Dual power modes provide maximum efficiency:

 ADAPT seamlessly 

optimizes the power supply and Class D operating circuitry by adapting to 

the end user’s listening habits. When the ADAPT circuit senses lower signal 

levels, it will automatically optimize the amplifier’s power supply and Class 

D circuitry to a low power mode that maximizes efficiency and minimizes 

heat to almost zero. As a signal increase is detected the amplifier instantly 

shifts into a high power mode, where the power supply and Class D sections 

are now optimized to deliver massive power and headroom for those 

demanding listening sessions. The amplifier is constantly monitoring and 

adapting between these modes which results in higher overall efficiency, 

much lower operating temperatures and rock solid reliability. 

BALANCED DIFFERENTIAL INPUTS

Provides maximum rejection of unwanted noise from upstream 

components. 

AUDIOPHILE NJM2068M OP-AMPS

Most mobile amplifiers today use the standard NJM4558 op-amp which 

has a bandwidth of 3MHz, slew rate of 1V/uSec and noise level of 1.4uV. 

The NJM2068M is simply a better performer with a bandwidth of 19MHz, 

slew rate of 6V/uSec and noise level of .44uV.

The result is quieter, faster and wider bandwidth performance that 

ensures the original music material is reproduced as accurately as 

possible. 

ULTRA HIGH SPEED IR CLASS D CHIPSET

State of the art IR20957 chipset switches at more than 300kHz 

for blistering audio performance. All four or five chipsets are 

sync’d together in unison to eliminate unwanted harmonics or 

distortion. 

POST FILTER FEEDBACK

Feedback is when part of the output signal is “fed back” into the 

original signal to ensure stability and accurate sound. Class D 

amplifiers use output filters (see the 4 vertical coils below), but 

most DO NOT INCLUDE these filters in the feedback loop. SD 

amplifiers INCLUDE or take feedback after its passed through 

these filters. The result is more accurate sound that rivals some 

of the best class A/B amplifiers. 

THERMAL ROLLBACK CIRCUIT

Under most conditions, SD amplifiers generate moderate 

to low heat.  However, if extreme conditions exist, as 

temperatures rise the amplifier will automatically adjust the 

power output, so your music continues to play. These changes 

are inaudible and vastly reduce the chance for any thermal 

shutdown events. 

LOW EMI CIRCUIT BOARD DESIGN 

Most class D amplifiers can emit EMI noise that can cause 

problems with AM/FM reception or other devices in the 

vehicle. SD amplifiers have undergone intense real world 

engineering and testing to vastly reduce or eliminate these 

issues. Careful PCB layout using four layers (most amplifiers 

feature just two) along with many key filters ensures a very 

low possibility of any interference issues. 

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Summary of Contents for SD1100.5

Page 1: ...APT syst me d alimentation Technologie de composant mont en surface Terminaux d alimentation et de haut parleurs insertion directe V rification du contr le de la qualit de la pr cision audio Couvercle...

Page 2: ...mmend Load 2 ohms Typical Efficiency 80 Damping Factor Greater than 200 SD1100 5 SPECIFICATIONS FRONT AND REAR CHANNELS Frequency Response 1dB from 20Hz to 20kHz Signal to Noise Ratio 100dB High and L...

Page 3: ...bandwidth of 19MHz slew rate of 6V uSec and noise level of 44uV The result is quieter faster and wider bandwidth performance that ensures the original music material is reproduced as accurately as po...

Page 4: ...sover is on LP Low pass crossover is on 12V This must be connected to the fused positive terminal 12V of the car s battery The fuse must be located within 18 inches of the battery REMOTE This must be...

Page 5: ...adjustment for the subwoofer channel This is not a bass boost it controls the level of the low pass signal NOTE This control is not compatible with the Phoenix Gold LPL44 level control 12V This must b...

Page 6: ...a problem Look for out of phase woofers a leaking subwoofer box or incorrect box size 17 With all levels set correctly the system will reach overall maximum undistorted output at the volume level set...

Page 7: ...crossover low pass es on 12V Este debe ser conectado al fusible del terminal positivo 12V de la bater a del auto El fusible debe ser ubicado a menos de 18 pulgadas de la bater a REMOTO Este debe ser c...

Page 8: ...S Este puerto es para conectar el control de nivel de bajos Esto permite un ajuste de hasta 20dB de volumen Este no es un bass bost este controla el nivel de low pass signal NOTA Este control no es co...

Page 9: ...blemente exista un problema F jese si los subwoofers est n out of phase hay escape en el caj n del subwoofer o el tama o del caj n es incorrecto 17 Con todos los niveles ajustados correctamente el sis...

Page 10: ...est sur SD800 4 amplifica teur de puissance 12V Doit tre reli la borne positive prot g e par fusible 12 V de la batterie de la voiture Le fusible doit tre situ moins de 18 pouces de la batterie BORNE...

Page 11: ...reli la borne positive prot g e par fusible 12 V de la batterie de la voiture Le fusible doit tre situ moins de 18 pouces de la batterie BORNE T L COMMANDE Doit tre reli la borne 12 V commut e g n ra...

Page 12: ...old will at its discretion repair or replace the defective product with new or remanufactured product at no charge Damage caused by the following is not covered under warranty accident misuse abuse pr...

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