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Precision Power 355cs, Owner'S Manual

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Precision Power 355cs Owner'S Manual Download Page 8

specifications

355cs

356cs

Frequency response 

77Hz -22kHz

60Hz -22kHz

Sensitivity

86db

87db

Impedance

4 ohms

4 ohms

recommended amplifier 
power

50/100

60/120

Mounting depth (woofer) 
(in)

2 .5

2 .5

Fs

77 .28 Hz

65 .96 Hz

re

3 .40 ohms

3 .40 ohms

Qms

6 .24

5 .91

Qes

0 .64

0 .65

Qts

0 .58

0 .58

L1

 .52

 .5

Vas (L)

3 .57

7 .38

Mms (Kg)

 .012

 .013

Cms

 .298

 .437

BI

6 .22

5 .38

Xmax

 .11328

 .11328

Summary of Contents for 355cs

Page 1: ...Component Speakers 355cs 356cs...

Page 2: ...cations 6 specifications 7 crossover features and connections 9 speaker wiring 10 speaker installation 11 tweeter installation 12 crossover installation 17 connecting the system 18 crossover connectio...

Page 3: ...anual in a safe place for future reference features Molded woofer basket The backbone of any good woofer is its basket It provides the proper alignment and support structure for the magnet and moving...

Page 4: ...two position switch offers a frequency response correction circuit to adjust for flat frequency response in the car on axis or off axis Bi amplifiable bi wirable The passive crossover supplied with t...

Page 5: ...solutely sure that the woofer is connected to the lowpass output and the tweeter is connected to the highpass output of the crossover network If these connections are reversed low frequency signals wi...

Page 6: ...from either an overdriven amplifier or mechanical noise from an overstressed speaker For the best performance and reliability select an amplifier with slightly more than the maximum power you are like...

Page 7: ...tweeter or taping it in a location and listening to ensure the desired stereo image and high frequency dispersion are achieved before committing to a location by drilling holes in the vehicle You sho...

Page 8: ...ty 86db 87db Impedance 4 ohms 4 ohms Recommended amplifier power 50 100 60 120 Mounting depth woofer in 2 5 2 5 Fs 77 28 Hz 65 96 Hz Re 3 40 ohms 3 40 ohms Qms 6 24 5 91 Qes 0 64 0 65 Qts 0 58 0 58 L1...

Page 9: ...intend on driving the woofers and tweeters with the same amplifier two channels Tweeter Level switch The three position switch in the crossover box adjusts the output level of the tweeter The mid pos...

Page 10: ...d positive amplifier terminals also ensure that the negative crossover terminals connect to the negative amplifier and speaker terminals Once all of the wires are attached to the connector and the cro...

Page 11: ...panel be sure the speaker will not interfere with the window lowering mechanism Ensure that the speaker wires are positioned to clear all moving parts inside the door For each woofer you will need to...

Page 12: ...in specific applications This allows the tweeter to be placed directly in the center of the woofer without obstructing the voice coil or the function of the woofer CAUTION Use caution to not damage t...

Page 13: ...the coaxial tweeter assembly clockwise until snug Connect the tweeter wires to the tweeter output from the crossover Turn tweeter coaxial mount assembly clockwise Threaded mounting post The tweeter i...

Page 14: ...angled surface mounting cup not shown This allows the tweeter to be mounted at an optimum acoustic angle for the listener Follow the same procedure as above to mount and assemble the tweeter in this...

Page 15: ...r to be mounted at an optimum acoustic angle for the listener Follow the same procedure as above to mount and assemble the tweeter in this housing Tweeter mounting Route the wire from the crossover lo...

Page 16: ...unt Housing Wiring NOTE The tweeter grill can be easily removed for coaxial applications or to facilitate mounting the tweeter behind an existing factory grill Use the supplied black butyl material to...

Page 17: ...In addition at high power levels a bi amplified connection can help protect the tweeter from amplifier clipping which is more likely to occur on channels driving the midrange When bi amping using the...

Page 18: ...any loose strands from causing a short circuit You may also tin the wire with a soldering iron The wires attach to a removable connector which in its assembled position has the screws facing the botto...

Page 19: ...uld cause a short circuit Observe left right polarity markings 7ZHHWHU RRIHU URVVRYHU 1 287 RRIHU 7ZHHWHU RRIHU 7ZHHWHU 6WDQGDUG 6ZLWFK LQ 3DUDOOHO 3RVLWLRQ L DPS 3DUDOOHO Amplifier NOTE In this confi...

Page 20: ...weeter to the Tweeter In terminals input Connect the woofer amplifier to the Woofer In terminals NOTE You must move the selectable switch to the Bi amp position Failure to set the switch correctly may...

Page 21: ...wire Connect the amplifier to the woofer input terminals with another run of wire NOTE You must move the Bi amp parallel switch to the parallel position Failure to set the switch correctly will not d...

Page 22: ...nd off Speaker damaged Check system with known work ing speaker and fix or replace as required Thermal protection engaged Check that amplifier has ad equate ventilation check speaker impedance load Lo...

Page 23: ...speaker and fix or replace as required Poor bass re sponse Speakers wired with wrong polarity Check speaker polarity and fix as needed Stereo bridge switch set to bridge position Set switch to stereo...

Page 24: ...24...

Page 25: ...______ ________________________________________________________________ ________________________________________________________________ _______________________________________________________________...

Page 26: ...esulting in thermally damaged voice coils are not covered by this warranty but may be replaced at the absolute and sole discretion of Directed Unit must be returned to Directed postage pre paid with b...

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