a/d/s/ 245ix Owner'S Manual Download Page 16 | Manualshive

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specifications

245ix

246ix

Frequency response

90Hz–22kHz

70Hz–22kHz

Sensitivity

91dB

91dB

Impedance

4 ohms

4 ohms

Recommended amplifier power

45–100 watts

45–150 watts

Mounting depth (woofer)

2-1/2 inches (6.35 cm)

2-5/8 inches (6.67 cm)

RMSE-free

1.18 ohms

0.54 ohms

Fs

95.85 Hz

78.08 Hz

Re

3.80 ohms

3.85 ohms

Res

24.85 ohms

28.55 ohms

Qms

5.54

5.70

Qes

0.85

0.77

Qts

0.73

0.68

L1

0.27 mH

0.28 mH

L2

0.39 mH

0.42 mH

R2

4.01 ohms

3.58 ohms

Vas (Sd)

2.53 liters

5.61 liters

Mms

11.46 grams

12.66 grams

Cms (Sd)

241 µm/Newton

328 µm/Newton

Bl (Sd)

5.56 Tesla-M

5.58 Tesla-M

SPLref (Sd)

86.0 dB[Re]

87.2 dB[Re]

Xmax

2.5 mm

2.5 mm

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Summary of Contents for 245ix

Page 1: ...analog and digital systems 245ix 246ix owner s manual ...

Page 2: ...30 years of loudspeaker research and development with innovative and timeless industrial design and cutting edge material choices Tuned for precise reproduction of the supplied musical signal they accurately deliver every nuance and detail while retaining the classic a d s sound that has enchanted multiple generations of owners With a minimum of care this high performance component speaker system ...

Page 3: ...rable typically only available in high quality audiophile home loudspeakers Solid state tweeter protection Advanced protection circuitry provides protection for the tweeter against overpowering or amplifier clipping cautions Study your automobile thoroughly before you drill or cut any holes Take extra care when working near gas tanks gas lines brake or hydraulic lines and electrical wiring Wear ey...

Page 4: ...me levels can lead to overdriving the amplifier and damaging the speaker system As a rule do not turn the volume up above the point where you hear distortion on musical peaks 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 likely to need to generate th...

Page 5: ...if too much power is delivered to the tweeter If activated the tweeter will briefly stop producing sound until the breaker automatically resets Tweeter DC Clip protector These components limit the amount of current delivered to the tweeter if overdriven by either excess amplification or clipped signal from an overdriven amplifier Connections to the amplifier The crossovers are supplied with remova...

Page 6: ...For wire runs of 50 feet 15 m or less we recommend 16 gauge or larger wire The crossover connector will accept up to 14 gauge wire Polarity and phasing The polarity of the positive negative orientation of the connections for every speaker and amplifier connection must be consistent so all the speakers will be in phase When the polarity of one connection is reversed bass output may be reduced or st...

Page 7: ...ute the speaker wire from the woofer installation locations to the crossovers Pull the wire through the installation hole and attach the terminals on the ends to terminals connections on the speakers Refer to the speaker wiring section of this manual and the wiring diagrams Push the wire back into the area behind the installation location and be sure it will not interfere with the speaker or get s...

Page 8: ...eed the tweeter speaker wires through the front center of the woofer where the aluminum bullet was removed As shown in the next illustration Align and thread the coaxial tweeter assembly on the threaded post in the center of the woofer Rotate the coaxial tweeter assembly clockwise until snug Connect the tweeter wires to the tweeter output from the crossover Tweeter Coaxial Extension Tweeter Speake...

Page 9: ... the bottom of the surface mount cup Screw the cup in place Ensure the mounting screws are driven in straight so the heads sit flush on the cup mounting surface This ensures the tweeter will seat properly in the surface mounting cup The tweeter is then slid into the mounting cup tabs aligned with the mounting slots and turned counterclockwise to lock in place NOTE The mounting cup is also supplied...

Page 10: ...led 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 housing Tweeter mounting Route the wire from the crossover locations to the tweeter locations Pull the wire through the mounting cup and attach crossover wires to the wires from the tweeters Connect the p...

Page 11: ...ingle amplifier channel used in conventional and bi wired connections Bi amping provides the additional advantage of allowing use of the amplifier s level controls to provide an additional level of fine tuning not possible with the tweeter level switch alone In addition at high power levels a bi amplified connection can help protect the tweeter from amplifier clipping which is more likely to occur...

Page 12: ...er Insert the prepared wire into the appropriate location see diagram or refer to the crossover circuit board in the connector strip and tighten the screws to secure the wires in place Be sure to note the polarity marking on the circuit board crossover connections and input switch setting Route the wires connected to the input terminals on the crossover network to the power amplifier Connect the w...

Page 13: ...o 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 cause damage to the amplifiers or the crossover Tweeter Woofer Tweeter Amplifer Woofer Amplifer Crossover IN OUT Woofer Tweeter Woofer Tweeter Bi Amplified Switch in Bi amp Position Bi amp Parallel 12 ...

Page 14: ...Connect the amplifier to the woofer input terminals with another run of wire NOTE You must move the selectable switch to the parallel position Failure to set the switch correctly will not damage the equipment but could interfere with any enhancement of the sound due to bi wiring Tweeter Woofer Amplifer Crossover IN OUT Woofer Tweeter Woofer Tweeter Bi Wired Switch in Parallel Position Bi amp Paral...

Page 15: ... output Preamp volume set to high exceeding maximum capability of amplifier Check volume or preamp and adjust appropriately Impedance load to amplifier too low Check speaker impedance load if below 1 ohm rewire the speakers to achieve a higher impedance Bi amp Parallel switch set incorrectly for application Set Bi amp Parallel swtich to correct setting see Crossover Connections and Input Switch Se...

Page 16: ...5 cm 2 5 8 inches 6 67 cm RMSE free 1 18 ohms 0 54 ohms Fs 95 85 Hz 78 08 Hz Re 3 80 ohms 3 85 ohms Res 24 85 ohms 28 55 ohms Qms 5 54 5 70 Qes 0 85 0 77 Qts 0 73 0 68 L1 0 27 mH 0 28 mH L2 0 39 mH 0 42 mH R2 4 01 ohms 3 58 ohms Vas Sd 2 53 liters 5 61 liters Mms 11 46 grams 12 66 grams Cms Sd 241 µm Newton 328 µm Newton Bl Sd 5 56 Tesla M 5 58 Tesla M SPLref Sd 86 0 dB Re 87 2 dB Re Xmax 2 5 mm 2...

Page 17: ...thermally damaged voice coils are not covered by this warranty but may be replaced at the absolute sole discretion of Directed 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 NEITH...

Page 18: ...a 2004 Directed Electronics Inc All rights reserved G39206 11 04 04 ...

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