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CR-1

LIMITED WARRANTY / SERVICE INFORMATION

JL AUDIO warrants this product to be free of defects in materials and 

workmanship for a period of three (3) years from the original date of purchase. 

Damage caused by the following is not covered under warranty: accident, 

misuse, abuse, product modification or neglect, failure to follow installation 

instructions, unauthorized repair attempts, misrepresentations by the seller. This 

warranty does not cover incidental or consequential damages and does not cover 

the cost of removing or reinstalling the unit(s) or shipping the unit(s) to JL Audio 

for service. Cosmetic damage due to accident or normal wear and tear is not 

covered under warranty.

This warranty is not transferable and applies only to the original purchaser 

of the product from an authorized JL AUDIO dealer. Warranty is voided if the 

factory-applied product serial number is removed or defaced.

Should service be necessary under this warranty for any reason due to 

manufacturing defect or malfunction, JL AUDIO will, at its discretion, repair or 

replace the defective product with new or remanufactured product at no charge.

Any applicable implied warranties are limited in duration to the period of 

the express warranty as provided herein beginning with the date of the original 

purchase at retail, and no warranties, whether express or implied, shall apply 

to this product thereafter. Some states do not allow limitations on implied 

warranties, therefore these exclusions may not apply to you. This warranty gives 

you specific legal rights, and you may also have other rights which vary from 

state to state.

If you need service on your JL AUDIO product:

All warranty returns should be sent to JL AUDIO freight prepaid through 

an authorized JL AUDIO dealer and must be accompanied by proof of purchase 

(a copy of the original sales receipt.) Direct returns from consumers or non-

authorized dealers will be refused unless specifically authorized by JL AUDIO 

with a valid return authorization number. Warranty expiration on products 

returned without proof of purchase will be determined from the manufacturing 

date code. Coverage may be invalidated as this date is previous to purchase date. 

Return only defective components. Non-defective items received will be returned 

freight-collect. Customer is responsible for shipping charges and insurance in 

sending the product to JL AUDIO. Freight damage on returns is not covered 

under warranty. Always include proof of purchase (sales receipt).

For Service Information in the U.S.A. please call:

JL Audio customer service:  

(954) 443-1100 during normal business hours (Eastern Time)

JL Audio, Inc • 10369 North Commerce Parkway, Miramar, FL 33025

International Warranties:  

Products purchased outside the United States of America are covered only by that 

country’s distributor and not by JL Audio, Inc.

WARNING

WARNING: 

THIS PRODUCT CONTAINS NO USER-SERVICEABLE PARTS.

PRODUCT IN WHICH DISASSEMBLY, REPAIR AND/OR MODIFICATION 

HAS BEEN ATTEMPTED BY UNAUTHORIZED PARTIES WILL NOT BE 

COVERED UNDER WARRANTY.

Содержание CR-1

Страница 1: ...Owner s Manual Active Subwoofer Crossover ...

Страница 2: ...ord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit the device 10 Cleaning The device should be cleaned only as recommended in the operating instructions 11 Nonuse Periods The power cord of the device should b...

Страница 3: ...e fallen or liquid has been spilled into the device c the device has been exposed to rain d the device does not appear to operate normally or exhibits a marked change in performance e the device has been dropped or has been physically damaged 15 Servicing The user should not attempt to service the device beyond what is described in the operating instructions All other servicing should be referred ...

Страница 4: ... the receiver is connected Consult the dealer or an experienced radio TV technician for help TABLE OF CONTENTS Important Safety Instructions 2 3 Introduction 4 Product Overview 5 Package Contents and Placement Considerations 6 Front Control Panel Layout 7 Rear Control and Connections Panel Layout 7 Front Panel Controls in Detail 8 11 Rear Panel Control and Connections in Detail 12 13 Connection Sc...

Страница 5: ...ratio matching are employed to adjust the analog circuit s filter frequencies This digitally controlled analog filter circuitry allows for high precision in making frequency adjustments and facilitates precise matching between the left and right channels for the ultimate in crossover fidelity and transparency The CR 1 offers 167 individual cutoff frequency choices between the 30 Hz and 150 Hz limi...

Страница 6: ... a power amplifier or receiver as the heat generated by those components could affect the CR 1 Whenever possible place the CR 1 on its own shelf or surface Rack Mount The CR 1 can be rack mounted in a standard 19 inch equipment rack through the use of the included rack mount accessory kit When installed in a rack the CR 1 occupies two 2 rack units of space To convert the CR 1 for rack mounting 1 U...

Страница 7: ...12 Balanced XLR TRS Managed Bass Inputs page 12 Fuse page 13 Unbalanced Satellite Outputs page 13 Unbalanced Subwoofer Outputs page 13 Unbalanced Stereo Inputs page 12 Unbalanced Managed Bass Inputs page 12 Managed Bass Input Type Switch page 12 IEC Style AC Connector page 13 XLR Balanced Satellite Outputs page 13 TRS Satellite Outputs page 13 TRS Balanced Subwoofer Outputs page 13 Ground Lift Swi...

Страница 8: ...in not lighted the Managed Bass Inputs are completely disconnected and the CR 1 receives its input signals only from its Main Stereo Inputs and outputs low pass filtered signals via its Outputs to Subwoofer s and high pass filtered signals via its Outputs to Satellites This is the correct mode for 2 channel listening and indicates that the CR 1 s active crossover filters are in line and functionin...

Страница 9: ...signals below its corner frequency at a rate of 24 dB for every halving of frequency A 24 dB per octave low pass filter attenuates signals above its corner frequency at a rate of 24 dB for every doubling of frequency The 2nd order filter setting attenuates at only 12 dB per octave above or below each filter s corner frequency With a steeper roll off slope there is less overlap of acoustical output...

Страница 10: ...satellites relative to your subwoofer s To increase the relative loudness of the satellites simply turn the Sub Sat Balance control clockwise towards the Sat end of the control markings To increase the relative loudness of the subwoofer s turn the Sub Sat Balance control knob counterclockwise towards the Sub end of the control markings The Sub Sat Balance Control works over a total range differenc...

Страница 11: ...er alignments When set correctly the Damping controls provide a final tweak to an expertly integrated subwoofer system For best results the Damping controls should only be addressed after the subwoofer s have been set correctly for polarity and phase refer to your subwoofer manuals for details If the crossover region sounds thin turn the knobs to the right towards the numbers creating a rise in re...

Страница 12: ...Bass Inputs The CR 1 s Managed Bass Inputs are designed to receive the subwoofer signal s sent by your home theater receiver or processor allowing you to share your room s subwoofers with a multi channel home theater system If the HT receiver processor only offers unbalanced outputs use RCA terminated unbalanced cables connected to the CR 1 s Unbalanced RCA type Managed Bass Inputs If your HT rece...

Страница 13: ...re the primary outputs to one or more subwoofers carrying the low passed signal frequencies BELOW the crossover frequency to the subwoofers As with the Outputs to Satellite Amplifier below the XLR and TRS balanced outputs share circuitry and should not be used at the same time However the XLR and RCA outputs have separate buffer amps and can all be used at the same time to feed multiple subwoofers...

Страница 14: ... unbalanced connections for a given stereo signal pair The balanced and unbalanced connections have different gains and mixing them within a stereo pair will result in a level imbalance between channels If you are using only one subwoofer set the CR 1 s front panel Subwoofer Output Mode switch to L R mono If you are using more than one subwoofer you may choose L R mono or Stereo subwoofer modes de...

Страница 15: ...L NUMBER Grounded Isolated CR 1 This device complies with part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation BALANCED BALANCED BALANCED BALANCED BALANCED BALANCED BALANCED BALANCED Stereo CAN ICES 3 B NMB 3 B S...

Страница 16: ...Managed Bass Inputs to the Stereo or Mono position depending on the output from your HT receiver or HT preamp processor this switch will usually be set to MONO If you connect only one subwoofer signal to the Managed Bass Input be sure to use the corresponding Left or Right Output to Subwoofer on the CR 1 Using the opposite one will result in no subwoofer signal If you are using one subwoofer set t...

Страница 17: ...received including interference that may cause undesired operation BALANCED BALANCED BALANCED BALANCED BALANCED BALANCED BALANCED BALANCED Stereo CAN ICES 3 B NMB 3 B SOURCE INPUTS MAIN OUTPUTS SOURCE A SOURCE B SOURCE C SOURCE D SOURCE E TAPE OUT CR 1 CR 1 Stereo Preamplifier LEFT BALANCED RIGHT BALANCED SUBWOOFER LFE OUTPUT MAIN OUTPUTS HT Receiver LEFT POWERED SUBWOOFER RIGHT POWERED SUBWOOFER ...

Страница 18: ...nnect to the balanced inputs using an RCA type interconnect cable This connection will no longer be balanced In this connection scenario it is intended that you use only one front end component at a time i e either your HT receiver OR your stereo preamp not both at once If you accidentally turn both on the CR 1 will not be damaged but it may sound very strange to hear both sources playing at once ...

Страница 19: ...ed operation BALANCED BALANCED BALANCED BALANCED BALANCED BALANCED BALANCED BALANCED Stereo CAN ICES 3 B NMB 3 B SOURCE INPUTS MAIN OUTPUTS SOURCE A SOURCE B SOURCE C SOURCE D SOURCE E TAPE OUT RIGHT RIGHT LEFT LEFT STEREO INPUTS OUTPUTS TO LOUDSPEAKERS BALANCED BALANCED LEFT BALANCED RIGHT BALANCED PREAMP OUTPUTS FRONT SURROUND CENTER SUB LFE SUBWOOFER LFE OUTPUT MAIN OUTPUTS LEFT LOUDSPEAKER RIG...

Страница 20: ...erformance gains behind To get maximum benefit from the integration of a subwoofer or subwoofers into your 2 channel audio system we recommend crossover frequencies between 60 Hz and 120 Hz with 80 Hz being an excellent starting point and often a very good ending point The CR 1 allows you to select crossover frequencies outside this recommended range in the event of highly unusual system setup req...

Страница 21: ...ynamic at a variety of volume levels Other adjustments on the CR 1 and your powered subwoofer s make it possible to dial in your system s transition from the satellites to the subwoofer in the crossover region and to get the subwoofers dialed in for your room s acoustics A good high resolution real time analyzer is very helpful to adjust these controls but they can also be adjusted by ear A Crosso...

Страница 22: ...ill need to RAISE the subwoofer level in your home theater receiver or processor to compensate for that level shift The goal is to find a common setting of the Subwoofer s Master Level control that works well for both systems the home theater receiver or processor s level control is used to offset any level differences that exist The CR 1 s Sub Sat Balance control is intended for fine tuning rathe...

Страница 23: ...ater receiver or processor to compensate for that level shift The goal is to find a common setting of the Subwoofer s Master Level control that works well for both systems the home theater receiver or processor s level control is used to offset any level differences that exist The CR 1 s Sub Sat Balance control is intended for fine tuning rather than gross level offsets First you will set up the t...

Страница 24: ...usted and wiped with a dry non abrasive microfiber cloth Do not use water to clean the CR 1 nor any harsh chemicals TROUBLESHOOTING CR 1 is plugged into a power outlet but will not turn on no lights at all What should I do 1 Try plugging the CR 1 s power cord into a known good AC power outlet 2 If the above does not help remove the Fuse cover on the rear of the CR 1 and see if the fuse is blown If...

Страница 25: ...low limitations on implied warranties therefore these exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state If you need service on your JL AUDIO product All warranty returns should be sent to JL AUDIO freight prepaid through an authorized JL AUDIO dealer and must be accompanied by proof of purchase a copy of ...

Страница 26: ... CR 1 Page 26 INSTALLATION NOTES Use this diagram to document your CR 1 s inputs outputs and switch control positions ...

Страница 27: ...Page 27 CR 1 ...

Страница 28: ...l to Noise Ratio 115 dB referred to rated output voltage Channel Separation 80 dB at 1 kHz typical Low Pass Frequency Response 0 1 dB from 5 Hz to 1 4 of filter frequency High Pass Frequency Response 0 1 dB from 4x filter frequency to 80 kHz Power Consumption 30 Watts typical with or without signal Mains Voltage Frequency 120V 60 Hz or 230 240V 50 Hz or 60 Hz factory set for destination country se...

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