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analog and digital systems

PH30.2

owner's manual

front_cover.qxd 10/26/56 5:13 AM Page 2

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Summary of Contents for PH30.2

Page 1: ...analog and digital systems PH30 2 owner s manual front_cover qxd 10 26 56 5 13 AM Page 2 ...

Page 2: ...ntegrity and dynamic range that made you want to take long drives to nowhere just to listen to the music High quality car audio was born and the original a d s PowerPlate P100 made it happen The latest improvements to the PowerPlate line up include increased heatsink area to facilitate higher power output Constant Bass circuit for subwoofer signal that can be mixed into all channels and fully bala...

Page 3: ...voltage fluctuations for reliable performance in the harsh automotive environment Remote Subwoofer or Constant Bass Level Control Capability Can be used with accessory control AC502 to provide a dashboard mounted rear channel subwoofer or Constant Bass level control Digital Crossover Frequency Display The crossover frequency for each channel pair is displayed on the top of the amplifier for quicke...

Page 4: ... have either terminal connected to the speaker frame or to the vehicle chassis mounting locations Due to its low profile there are many possible choices of mounting locations Always mount the PowerPlate in a place that protects it from the elements In addition mount the PowerPlate on a stable flat mounting surface Whenever possible pre drill the mounting holes Remember to check behind the panel fo...

Page 5: ...for subwoofer use and 4 for full range operation Although operation with lower impedances is not likely to cause immediate damage to the internal circuitry the unit will most likely overheat causing the thermal protection circuitry to shut down the amplifier When the chassis cools down normal operation will resume Continuing to operate the amplifier under these conditions is not recommended and wi...

Page 6: ...lt from a combination of the simpler building blocks as shown in systems 7 button is disengaged control is non operational button is engaged control is operational System 1 PH30 2 used in 6 channel mode Channels 1 and 2 are used for front high pass speakers channels 3 and 4 are used for rear high pass speakers and channels 5 and 6 are used to drive a stereo pair of subwoofers Although shown as a 4...

Page 7: ...g of the 2 4 channel switch System 3 PH30 2 used in 6 channel mode with source unit providing direct level control for channels 5 and 6 through the fade control Channels 1 and 2 are configured high pass for tweeters channels 3 and 4 are configured bandpass for midrange and channels 5 and 6 are configured low pass for subwoofers 6 front left satellite front right satellite rear left satellite rear ...

Page 8: ...section The amplifier is configured for a 2 channel input System 5 PH30 2 used in 4 channel mode with high pass main speakers and low pass subwoofers Channels 1 and 2 are configured high pass for front speakers and channels 3 4 and 5 6 are configured low pass for bridged output subwoofers The amplifier is configured for a 4 channel input Front rear fade adjusts subwoofer level 7 left tweeter right...

Page 9: ...edicated for the main speakers and one bridged channel pair used for a subwoofer Channels 1 2 and 3 4 are configured high pass for the main front speakers using a single pair of RCA inputs to produce a bridged mono output 8 left satellite right satellite subwoofer 70A ...

Page 10: ...gured similar to system 5 The first amplifier drives the front midrange and tweeters and the second amplifier drives the rear speakers and the subwoofer 9 front right tweeter front left midrange front right midrange front left tweeter front rear rear left satellite rear right satellite subwoofer subwoofer 70A 70A ...

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Page 12: ...s the highpass crossover point for channels 3 and 4 see page 16 8 crossover 3 4 lowpass switch Push this switch IN to activate the channel 3 4 lowpass crossover or OUT to bypass the crossover see page 16 9 crossover 3 4 lowpass frequency This control sets the lowpass crossover point for channels 3 and 4 see page 16 10 crossover 5 6 switch This switch will turn the channel 5 6 crossover on or off o...

Page 13: ...ormation on the proper connections The speaker terminal blocks install with the set screws facing up and power terminal block installs with the set screws facing down 6 Preset the 2 4 channel selector switch crossover and channel mode switches and crossover frequency switches to the desired positions Refer to the controls and connections section for more information 7 Adjust all amplifier input le...

Page 14: ... bridged configurations Minimum recommended impedance is 4 when bridged to subwoofers and 4 when bridged to full range speakers Speaker terminals accept up to AWG 12 speaker wire 13 Connect to 12V turn on lead from source unit Connect to chassis of vehicle Connect to chassis of vehicle 70 Amp fuse less than 18 from battery Factory chassis ground fuse 70A 70A 70A ...

Page 15: ...igh end aftermarket source unit The speaker outputs of the factory radio are simply connected to a mini DIN adapter as shown below From this point on the signal can be treated exactly as you would a preamp level signal except that the input level controls on the PowerPlate will be set to a lower than usual level when you make your final adjustments Conventional aftermarket sources may be connected...

Page 16: ...djust the input sensitivity from 100 mV to 8 VRMS Output Three position switches determine the output configuration Each stereo pair of channels can be configured in either stereo summed bridged and bridged mono When the switch is in the left position the output channels are configured for stereo operation When the switch is in the center position the output channels are configured for summed brid...

Page 17: ...both sections to create a bandpass filter make sure you have selected a low pass frequency that is higher than the high pass frequency xover control 5 6 The crossover selection for channels 5 6 has three options When the switch is in the left position the crossover section of the amplifier is bypassed Channels 5 6 output is full range When the switch is in the center position channels 5 6 are filt...

Page 18: ...r section are marked at four reference frequency points These are 45Hz 175Hz 600Hz and 5 000Hz Specific crossover points should be chosen based on the operating range recommended by the manufacturer of your speakers The 85Hz position is a good starting point to use for subwoofer low pass or midrange high pass use When bi amping a d s loudspeaker components 2500Hz is a good starting point for the m...

Page 19: ...more Back down on the volume control slightly until the distortion goes away You have just found the maximum undistorted output level of your source unit Do not exceed the level in normal operation as doing so will just send a distorted signal to the rest of the system 7 Returning to the PowerPlate level control associated with the front main speakers slowly increase it until you reach the point w...

Page 20: ...is proper when amplifier heatsink ventilation for amplifier and temperature exceeds 90 C improve ventilation as needed loose or poor audio input check input connections and repair or replace as needed distorted output amplifier level sensitivity set too reset gain referring to the high exceeding maximum tuning section of the manual output capability of amplifier for detailed instructions impedance...

Page 21: ...e speakers to achieve a higher impedance short in power wire or incorrect check power and ground power connections connections and repair as needed fuse used is smaller than replace with proper fuse size recommended too much current being drawn check speaker impedance load if below 2 stereo or 4 mono rewire speakers to achieve a higher impedance short in power wire or incorrect check power and gro...

Page 22: ...Vrms for full output input impedance 47 k crossover section ch 1 2 high pass 12dB octave variable 45Hz 5kHz h 3 4 high pass low pass 12 dB octave variable 45Hz 5kHz ch 5 6 low pass 12 dB octave variable 45Hz 5kHz Constant Bass low pass 12dB octave variable 30Hz 300Hz 1 All channels driven continuous FTC rated 4 load 20Hz to 20 000Hz 0 1 THD power input voltage at 13 8DVC 2 All channels driven cont...

Page 23: ...r 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 ASSUMES ...

Page 24: ...a Directed Electronics Inc All rights reserved G49200 09 02 front_cover qxd 10 26 56 5 13 AM Page 1 ...

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