Directed Audio 350d Owner'S Manual Download Page 1 | Manualshive

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350d

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Summary of Contents for 350d

Page 1: ...model 350d ...

Page 2: ...et new standards of perfor mance reliability and affordability in the mobile electronics industry Featuring high efficiency MOSFET power supplies flexible on board crossovers and state of the art audio design Directed Audio power 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 ...

Page 3: ...accident 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 NEITHE...

Page 4: ...nal amp designs High speed MOSFET switching power supply High current N channel MOSFET outputs stable into 2 ohm loads Thermal DC offset reverse polarity and short circuit protection Continuously variable 12 dB octave low pass crossover Switchable 8 dB bass EQ function Switchable phase invert function Optional remote subwoofer level control feature Buffered RCA output jacks for bi amp operation Va...

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: ...EQ Q S Sw wiit tc ch h Adds an additional 8 db of boost to the subwoofer output when on 7 S St ta at tu us s L LE ED D Will light GREEN to indicate the amplifier is on and operating normally and will be off if the amplifier shuts down due to short circuit or DC offset The LED will remain on and output will cease if the amplifier overheats 8 R Re em mo ot te e S Su ub b L Le ev ve ell C Co on nt tr...

Page 8: ...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 signal DO NOT co...

Page 9: ... Single subwoofer connection top view Two subwoofer connection top view N NO OT TE E The dual and sub out terminals of the 350d are paralleled internally and the combined load impedance should be taken into consideration when connecting multiple subwoofers ...

Page 10: ...r 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 volume setting of your head unit reduce the gain setting on the amplifier and start to raise the head unit volume again When you can listen to the music at or slightly above 3 4 on your head unit without audible distortion slowly raise the gain of the amplifier un...

Page 11: ... IHF 202 Standard at minimum load 150 watts 350 watts 250 watts Directed model 350d Signal to Noise Ratio Greater than 80 dB Frequency Response 20 200 Hz 0 1 dB Damping Factor 50 typical Crossover Low pass 12 dB octave variable from 30 to 250 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 4 ohms Supply Volt...

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 92081 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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