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© 1999 Directed Electronics, Inc 

SPECIFICATIONS 150/250/400

RMS continuous power per channel

, both chan-

nels driven into 4 ohms from 20 to 20,000 Hz,
with less than 0.08% Total Harmonic Distortion
@ 14.4 VDC

RMS continuous power per channel

, both chan-

nels driven into 2 ohms from 20 to 20,000 Hz,
with less than 0.1% Total Harmonic Distortion @
14.4 VDC

RMS continuous power

bridged into a 4 ohm

load from 20 to 20,000 Hz, with less than 0.1%
Total Harmonic Distortion @ 14.4 VDC

Dynamic power rating

(IHF-202 Standard)

bridged into 4 ohms

50         

75

125

watts  

watts    

watts

75           125

200

watts

watts

watts

150          250

400

watts

watts

watts

200

325

550

watts

watts

watts

model    150     250     400  

Signal-to-Noise Ratio                                          Greater than 95 dB

Frequency Response                                            20-20,000 Hz ± 0.5 dB

Damping Factor @ 4 ohm                                 Greater than 200

Crossover                                                  

Switchable high or low pass 

12 dB/octave, continuously 

variable from 50 to 500 Hz                           

Bass Equalization                                               +8 dB, centered at 40Hz

Input Impedance                                                 20K ohms

Input Sensitivity                                                  Variable from 150 mV to 8 volt

Output Impedance                                             2 to 8 ohms, stereo

4 to 8 ohms, bridged

Supply Voltage                                                   10 to 16 VDC

Fusing and Power                                               20A          25A        50A 
Cable Requirements (AWG)                               #12       #10    

#8  

(Per amp, trunk mounted)    

Содержание 150

Страница 1: ...OWNER S MANUAL Models 150 250 400 ...

Страница 2: ...d for anyone s budget Featuring high effi ciency MOSFET power supplies flexible on board crossovers and state of the art audio design Directed Audio amplifiers will satisfy every music lover s needs for years to come Your Directed Audio power amplifier comes with a two year limited warranty if it is installed by an authorized DEI dealer Amplifiers not installed by an authorized Directed dealer are...

Страница 3: ...also impair a driver s ability to hear traffic sounds or emergency vehi cles Use common sense and practice safe listening habits when listening to or adjusting your audio system WARNING Installation Guidelines Page 2 Amplifier Connections Page 4 Amplifier Controls Page 5 Speaker Wiring Diagrams Page 6 Crossover Setting and Gain Adjustment Page 7 Specifications Page 8 Warranty Page 9 ...

Страница 4: ...on at the battery within 8 10 inches of the battery terminal Use a fuse or circuit breaker rated at about 5 10 more amps than the on board fuse s of the amplifier s The gauge of power wire used should take into account the total current draw of the system and the length of wire used IASCA and other autosound competition organiza tions have charts available for this you can also find a chart in the...

Страница 5: ...ring terminals of the appropriate size surface area is what counts soldering the terminals after crimping is also recommended 10 Due to the high frequency MOSFET switching power supply used in all Directed Audio amplifiers filtering the power cable is not generally required remember that the amp can t deliver full output if the power supply is restricted Proper grounding of the signal source is ma...

Страница 6: ...ot have separate amp remote outputs This input requires a switched 12V signal to activate the amplifier Do not connect this terminal to a constant source of 12V 3 12V POWER TERMINAL connect this terminal to the positive terminal of the car or separate audio system battery Refer to the installation guidelines and specs page for proper gauge of wire YOU MUST PROTECT THIS WIRE WITH A FUSE or circuit ...

Страница 7: ...is for high pass mid bass midrange outputs FLAT is used for full range or mixed stereo mono applications 4 LED INDICATOR the green Power LED lights to indicate normal opera tion The green LED will shut off to indicate amp shutdown due to short circuit DC offset or over current conditions detected by on board protection circuits Thermal protection is also indicated by the green LED shutting off 5 C...

Страница 8: ...6 1999 Directed Electronics Inc SPEAKER WIRING DIAGRAMS Stereo operation Mono operation Simultaneous stereo mono operation ...

Страница 9: ...roper signal match for clean quiet amplifier operation For full range and simultaneous stereo mono bass applications start by playing some music you are familiar with With the gain adjustment on the amplifier in the middle of its rotation bring up the volume on your head unit to the 3 4 volume setting or until you start to hear distortion or clipping If you hear distortion before you reach the 3 4...

Страница 10: ... power rating IHF 202 Standard bridged into 4 ohms 50 75 125 watts watts watts 75 125 200 watts watts watts 150 250 400 watts watts watts 200 325 550 watts watts watts model 150 250 400 Signal to Noise Ratio Greater than 95 dB Frequency Response 20 20 000 Hz 0 5 dB Damping Factor 4 ohm Greater than 200 Crossover Switchable high or low pass 12 dB octave continuously variable from 50 to 500 Hz Bass ...

Страница 11: ... neglect improper service or other causes not arising out of defects in materials or construction ALL WARRANTIES INCLUDING BUT NOT LIMITED TO EXPRESS WARRANTY IMPLIED WARRANTY WARRANTY OF MERCHANTABILITY FITNESS FOR PARTIC ULAR PURPOSE AND WARRANTY OF NON INFRINGEMENT OF INTELLECTUAL PROPERTY ARE EXPRESSLY EXCLUDED TO THE MAXIMUM EXTENT ALLOWED BY LAW AND DEI NEITHER ASSUMES NOR AUTHORIZES ANY PER...

Страница 12: ...L AMPLIFIERS SIGNAL PROCESSORS SINGLE AND DUAL VOICE COIL DIE CAST SUBWOOFERS HIGH PERFORMANCE POWER CABLES PREMIUM SPEAKER AUDIO CABLES AND ADAPTERS POWER CAPACITORS GOLD PLATED POWER DISTRIBUTION AND FUSING BLOCKS GOLD PLATED POWER AND SPEAKER TERMINALS TUBE SUBWOOFERS POWERED SUBWOOFERS SINGLE AND DUAL VOICE COIL SUBWOOFERS COAXIAL SPEAKERS SINGLE AND DUAL VOICE COIL DIE CAST SUBWOOFERS COMPONE...

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