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© 2002 Directed Electronics, Inc 

SPECIFICATIONS 

Directed model   2150

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 

watts

75 

watts

150

watts

200

watts

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

Minimum Cable Requirements (AWG)

#12

(Per amp, trunk mounted)

Summary of Contents for 2150

Page 1: ...model 2150 ...

Page 2: ...amplifiers will excite and delight the mobile sound enthusiast with years of high quality audio reproduction Directed Audio power amplifiers come with a two year limited warranty if installed by an authorized Directed dealer If not installed by an authorized dealer Directed Audio power amplifiers are covered by a one year parts and labor limited warranty Be sure to retain your original sales recei...

Page 3: ...ccident or unreasonable use 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 PARTICULAR PURPOSE AND WARRANTY OF NON INFRINGEMENT OF INTELLECTUAL PROPERTY ARE EXPRESSLY EXCLUDED TO THE MAXIMUM EXTENT ALLOWED BY LAW AND DIRECTED NEITHER...

Page 4: ...ES High speed MOSFET switching power supply and complimentary bipolar outputs Stereo mono or simultaneous stereo mono operation Thermal DC offset reverse polarity and short circuit protection Continuously variable 12 dB octave two way active crossover Switchable 8 dB bass EQ function Buffered stereo full range RCA output jacks Variable input sensitivity optimizes match with different signal source...

Page 5: ...our power connection within 8 to 10 inches of the battery terminal Use a fuse or circuit breaker rated slightly more 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 auto sound competition organizations have charts available for this you can also find a chart in the MEC...

Page 6: ...urface area is what counts soldering the terminals after crimping is also recom mended 10 Due to the high frequency MOSFET switching power supply 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 mandatory for the amplifier to reach its performance peak If the RCA inputs are...

Page 7: ...y frequencies and is for full range speaker systems HPF attenuates low frequencies and is used for mid range speakers and tweeters LPF attenuates high frequencies and is used for subwoofers speakers 5 C Cr ro os ss so ov ve er r F Fr re eq qu ue en nc cy y A Ad djju us st tm me en nt t Adjusts the crossover point for the on board active crossovers 6 B Ba as ss s E EQ Q S Sw wiit tc ch h Adds an ad...

Page 8: ...se or circuit breaker of the appropriate size within 12 inches of the battery terminal connection 4 R Re em mo ot te e T Tu ur rn n O On n This terminal turns on the amplifier when 12 volt is applied to it Connect it to the remote turn on lead of the head unit or signal source If a 12 volt remote turn lead is not avail able a Remote Power Adapter P N 55000 can be used to supply a remote turn on si...

Page 9: ...SPEAKER WIRING DIAGRAMS 9 2002 Directed Electronics Inc Stereo operation top view Mono operation top view Simultaneous stereo mono operation top view ...

Page 10: ... proper signal match for clean quiet ampli fier 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 ...

Page 11: ...less than 0 1 Total Harmonic Distortion 14 4 VDC Dynamic power rating IHF 202 Standard bridged into 4 ohms 50 watts 75 watts 150 watts 200 watts 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 ...

Page 12: ...d electronic technology Directed is ISO 9001 registered Directed is committed to delivering world class quality products and services that excite and delight our customers Directed Electronics Inc Vista California 92083 www directed com Directed is a proud member of Quality Directed products are sold and serviced throughout North America and around the world Call 800 274 0200 for more information ...

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