JVC Car Stereo System KD S640 User Manual

CD RECEIVER  
KD-S640  
KD-S640  
RECEPTOR CON CD  
RECEPTEUR CD  
KD-S640  
KD-S640  
/I/ATT  
MO  
RND  
40WX  
4
SOUND  
RPT  
LOUD  
SEL  
SSM  
SCAN  
DISP  
DIRECT TRACK ACCESS  
7
8
9
10  
11  
12  
6
1
2
3
4
5
AM  
FM  
CD  
For installation and connections, refer to the separate manual.  
Para la instalación y las conexiones, refiérase al manual separado.  
Pour l’installation et les raccordements, se référer au manuel séparé.  
COMPACT  
DIGITAL AUDIO  
For customer Use:  
Enter below the Model No. and  
Serial No. which are located on  
the top or bottom of the cabinet.  
Retain this information for future  
reference.  
INSTRUCTIONS  
MANUAL DE INSTRUCCIONES  
MANUEL D’INSTRUCTIONS  
Model No.  
Serial No.  
FSUN3069-631  
[J]  
EN/SP/FR00COVER.KD-S640 (J)/1  
3
10/8/98, 3:46 PM  
INFORMATION (For USA)  
This equipment has been tested and found to comply with the limits for a Class B digital  
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide  
reasonable protection against harmful interference in a residential installation. This  
equipment generates, uses, and can radiate radio frequency energy and, if not installed  
and used in accordance with the instructions, may cause harmful interference to radio  
communications However, there is no guarantee that interference will not occur in a  
particular installation. If this equipment does cause harmful interference to radio or television  
reception, which can be determined by turning the equipment off and on, the user is  
encouraged to try to correct the interference by one or more of the following measures:  
– Reorient or relocate the receiving antenna.  
– Increase the separation between the equipment and receiver.  
– Connect the equipment into an outlet on a circuit different from that to which the receiver  
is connected.  
– Consult the dealer or an experienced radio/TV technician for help.  
Id e n tifica tio n a n d  
Ce r tifica tio n la b e ls  
Bottom of the main unit  
IMPO RTAN T FO R LASER  
PRO DUCTS (Fo r USA o n ly )  
Precautions:  
1. CLASS 1 LASER PRODUCT  
2. DANGER: Invisible laser radiation when  
open and interlock failed or defeated.Avoid  
direct exposure to beam.  
3. CAUTION: Do not open the top cover.  
There are no user-serviceable parts inside.  
Leave all servicing to qualified service  
personnel.  
NAME/RATING PLATE  
4. CAUTION: This CD player uses invisible  
laser radiation, however, is equipped with  
safety switches to prevent radiation  
emission when unloading CDs. It is  
dangerous to defeat the safety switches.  
5. CAUTION: Use of controls, adjustments or  
performance of procedures other than  
those specified herein may result in  
hazardous radiation exposure.  
US JVC CORP.41 SLATER DRIVE  
ELMWOOD PARK, N.J. 07407  
MANUFACTURED AT  
MADE IN *3  
*2  
Product complies with DHHS Rules 21  
CFR Subchapter J in effect at date of  
manufacture.  
MANUFACTURED  
*1  
Notes:  
*1 The date of manufacture.  
*2 The ID code of manufacturing plant.  
*3 Marking of country origin.  
BEFORE USE  
* For safety....  
*Temperature inside the car....  
• Do not raise the volume level too much, as this  
will block outside sounds, making driving  
dangerous.  
If you have parked the car for a long time in hot  
or cold weather, wait until the temperature in the  
car becomes normal before operating the unit.  
• Stop the car before performing any complicated  
operations.  
2
Thank you for purchasing a JVC product. Please read all instructions carefully before operation, to  
ensure your complete understanding and to obtain the best possible performance from the unit.  
CONTENTS  
BASIC O PERATIO N S .................................................... 4  
RADIO O PERATIO N S ................................................... 5  
Listening to the radio ..................................................................... 5  
Storing stations in memory ............................................................ 6  
FM station automatic preset: SSM .............................................. 6  
Manual preset .............................................................................. 7  
Tuning into a preset station ........................................................... 8  
Other convenient tuner functions ................................................. 9  
Scanning broadcast stations ....................................................... 9  
Selecting FM reception sound ..................................................... 9  
Changing the AM/FM channel intervals ....................................... 9  
CD O PERATIO N S ...................................................... 1 0  
Playing a CD ................................................................................. 10  
Locating a track or a particular portion on a CD ..................... 11  
Selecting CD playback modes ..................................................... 12  
Other convenient CD functions ................................................... 12  
Prohibiting CD ejection .............................................................. 12  
SO UN D ADJUSTMEN TS ............................................. 1 3  
Turning on/off the loudness function .......................................... 13  
Selecting preset sound modes ...................................................... 13  
Adjusting the sound...................................................................... 14  
Storing your own sound adjustments ......................................... 15  
O THER MAIN FUN CTIO N S ......................................... 1 6  
Setting the clock ............................................................................ 16  
Detaching the control panel ......................................................... 17  
MAIN TEN AN CE ........................................................ 1 8  
Handling CDs ................................................................................ 18  
TRO UBLESHO O TIN G ................................................. 1 9  
SPECIFICATIO N S ....................................................... 2 0  
3
BASIC OPERATIONS  
1
Note:  
When you use this unit for the  
first time, set the built-in  
clock correctly, see page 16.  
3
2
1
2
3
Turn on the power.  
/ I /ATT  
Note on One-Touch Operation:  
When you select a source in step 2 below, the power automatically comes on.  
You do not have to press this button to turn on the power.  
A
M
F
M
C D  
Select the source.  
To operate the tuner, see pages 5 – 9.  
To operate the CD player, see pages 10 – 12.  
Adjust the volume.  
Volume level indicator  
Volume level appears.  
4
Adjust the sound as you want (see pages 13 – 15).  
To d ro p th e vo lu m e in a m o m e n t  
Press  
briefly while listening to any source. “ATT” starts flashing on the display, and  
the volume level will drop in a moment.  
To resume the previous volume level, press the button briefly again.  
To tu rn o ff th e p o w e r  
Press  
for more than 1 second.  
4
RADIO OPERATIONS  
Listening to the radio  
2
1
1
2
Select the band (FM1, FM2, FM3 or AM).  
You can select any one of FM1, FM2, and FM3 to listen to an  
FM station.  
A
M
F
M
FM1  
FM2  
AM  
FM3  
Start searching a station.  
When a station is received, searching stops.  
To search stations  
of higher  
SSM  
frequencies.  
To search stations  
of lower  
frequencies.  
To stop searching before a station is received, press the same button you have pressed  
for searching.  
To tu n e in a p a rticu la r fre q u e n cy w ith o u t se a rch in g :  
1 Press FM or AM to select the band.  
2 Press and hold ¢  
Now you can manually change the frequency while “M” is flashing.  
3 Press ¢ or 4 repeatedly until the frequency you want is reached.  
• If you hold down the button, the frequency keeps changing until you release the button.  
or 4  
until “M” starts flashing on the display.  
5
Storing stations in memory  
You can use one of the following two methods to store broadcasting stations in memory.  
• Automatic preset of FM stations: SSM (Strong-station Sequential Memory)  
• Manual preset of both FM and AM stations  
FM sta tio n a u to m a tic p re se t: SSM  
You can preset 6 local FM stations in each FM band (FM1, FM2, and FM3).  
2
1
FM1  
FM2  
FM3  
1
2
F
M
Select the FM band number (FM1, FM2 or  
FM3) you want to store FM stations into.  
Press and hold the both buttons for more than  
2 seconds.  
SSM  
“SSM” appears, then disappears when  
automatic preset is over.  
Local FM stations with the strongest signals are searched and stored automatically in the  
band number you have selected (FM1, FM2 or FM3). These stations are preset in the number  
buttons — No. 1 (lowest frequency) to No. 6 (highest frequency).  
When automatic preset is over, the station stored in number button 1 will be automatically  
tuned in.  
6
Ma n u a l p re se t  
You can preset up to 6 stations in each band (FM1, FM2, FM3 and AM) manually.  
EXAMPLE: Storing an FM station of 88.3 MHz into the preset number 1 of the FM1 band  
2
3
1
1
2
Select the FM1 band.  
F
M
Tune into a station of 88.3 MHz.  
See page 5 to tune into a station.  
SSM  
1
2
3
Press and hold the button for more than 2  
seconds.  
Preset number “1” starts flashing for a while.  
4
Repeat the above procedure to store other stations into other  
preset numbers.  
Notes:  
• A previously preset station is erased when a new station is stored in the same preset number.  
• Preset stations are erased when the power supply to the memory circuit is interrupted (for example,  
during battery replacement). If this occurs, preset the stations again.  
7
Tuning into a preset station  
You can easily tune into a preset station.  
Remember that you must store stations first. If you have not stored them yet, see pages 6  
and 7.  
1
2
1
2
Select the band (FM1, FM2, FM3 or AM) you  
want.  
A
M
F
M
FM1  
FM3  
FM2  
AM  
1
2
3
4
5
6
Select the number (1 – 6) for the preset station  
you want.  
8
Other convenient tuner functions  
¢
MO  
RND  
SEL  
4
+/–  
SCAN  
Sca n n in g b ro a d ca st sta tio n s  
When you press SCAN while listening to the radio, station scanning starts. Each time a  
broadcast is tuned in, scanning stops for about 5 seconds (tuned frequency number flashes  
on the display), and you can check what program is now being broadcasted.  
If you want to listen to that program, press the same button again to stop scanning.  
Se le ctin g FM re ce p tio n so u n d  
When an FM stereo broadcast is hard to receive:  
Press MO RND (mono/random) while listening to an FM stereo broadcast. The sound you  
hear becomes monaural but reception will be improved.  
Lights up when receiving an FM broadcast in stereo.  
To restore the stereo effect, press the same button again.  
Ch a n g in g th e AM/ FM ch a n n e l in te rva ls  
When using this unit in an area other than North or South America:  
When this unit is shipped from the factory, the channel intervals are set to 10 kHz for AM and  
200 kHz for FM. You can change the channel intervals by following the procedure below.  
1 Press SEL (select) for more than 2 seconds.  
“CLOCK H,” “CLOCK M” or “AREA” appears on the display.  
2 If “AREA” does not appear, press ¢  
3 Press +.  
or 4  
until it appears.  
“AREA EU” appears and the channel intervals are set to 9 kHz for AM and 50 kHz (for  
manual tuning) / 100 kHz (for searching) for FM.  
To reset to the factory setting, follow the above step 1 and 2, then press – in step 3 (“AREA  
US” appears on the display.)  
AREA EU: Select this when used in an area other than North and South America.  
AREA US: Select this when used in North or South America.  
9
CD OPERATIONS  
Playing a CD  
1
1
Insert a disc into the loading slot.  
The unit turns on, draws a CD and starts playback  
automatically.  
• When a CD is inserted upside down, “EJECT” appears on  
the display and the CD automatically ejects.  
Total playing time of  
the inserted disc  
Total track number  
of the inserted disc  
Elapsed playing Current track  
time  
Note on One-Touch Operation:  
When a CD is already in the loading slot, pressing CD turns on the unit and starts playback  
automatically.  
CAUTION on Volume Setting  
CDs produces very little noise compared with other sources. If the volume level is adjusted  
for the tuner, for example, the speakers may be damaged by the sudden increase in the  
output level. Therefore, lower the volume before playing a CD and adjust it as required  
during playback  
To sto p p la y a n d e je ct th e CD  
Press 0.  
CD play stops and the CD automatically ejects from the loading slot. The source changes to  
the tuner (you will hear the last received station).  
If you change the source to AM/FM, the CD play also stops (without ejecting the CD this  
time).  
• If the ejected disc is not removed for about 15 seconds , the disc is automatically inserted again into  
the loading slot to protect it from dust. (CD play will not start this time.)  
• You can eject the CD when the unit is turned off.  
10  
Locating a track or a particular portion on a CD  
Number buttons  
¢
4
To fa st fo rw a rd o r re ve rse th e tra ck  
Press and hold ¢  
, while playing a CD, to fast forward the track.  
SSM  
Press and hold 4  
, while playing a CD, to reverse the track.  
To g o to th e n e x t tra ck o r th e p re vio u s tra ck  
Press ¢  
briefly, while playing a CD, to go ahead to the beginning of  
the next track. Each time you press the button consecutively, the beginning  
of the next track is located and played back.  
SSM  
Press 4  
briefly, while playing a CD, to go back to the beginning of the  
current track. Each time you press the button consecutively, the beginning  
of the previous track is located and played back.  
To g o to a p a rticu la r tra ck d ire ctly  
7
8
9
10  
11  
12  
1
2
3
4
5
6
Press the number button corresponding to the track number to start its  
playback.  
To select a track number from 1 – 6:  
Press 1 (7) – 6 (12) briefly.  
To select a track number from 7 – 12:  
Press and hold 1 (7) – 6 (12) for more than 1 second.  
11  
Selecting CD playback modes  
MO  
RND  
RPT  
To p la y b a ck tra ck s a t ra n d o m (Ra n d o m Pla y )  
You can play back all tracks on the CD at random.  
MO  
RND  
Each time you press MO RND (Mono/Random) while playing a CD, CD  
random play mode turns on and off alternatively.  
When the random mode is turned on, the RND indicator lights up on the  
display and a track randomly selected starts playing.  
To p la y b a ck tra ck s re p e a te d ly (Re p e a t Pla y )  
You can play back the current track repeatedly.  
Each time you press RPT (Repeat) while playing a CD, CD repeat play  
mode turns on and off alternatively.  
RPT  
When the repeat mode is turned on, the RPT indicator lights up on the  
display.  
Track number of the currently playing track  
Other convenient CD functions  
Pro h ib itin g CD e je ctio n  
You can prohibit the CD ejection and can “lock” a CD in the loading slot.  
Press and hold CD and 0 for more than 2 seconds. “EJECT” flashes on the display for about  
5 seconds, and the CD is “locked.”  
To cancel the prohibition and “unlock” the CD, press and hold CD and 0 for more than 2  
seconds again. “EJECT” appears on the display, and the CD ejects from the loading slot.  
12  
SOUND ADJUSTMENTS  
Turning on/off the loudness function  
The human ear is less sensitive to low and high frequencies at low volumes.  
The loudness function can boost these frequencies to produce well-balanced sound at low  
volume level.  
Each time you press LOUD, the loudness function turns on and off alternatively.  
LOUD  
Selecting preset sound modes  
You can select a preset sound adjustment suitable to the music genre:  
Each time you press SOUND, the sound mode changes as follows.  
SOUND  
Indication  
For:  
Preset values  
Bass  
00  
Treble  
00  
Loudness  
SCM OFF  
BEAT  
(Flat sound)  
On  
On  
Off  
Off  
Rock or disco music  
Quiet background music  
Light music  
+2  
00  
SOFT  
+1  
–3  
POP  
+4  
+1  
Notes:  
• You can adjust the preset sound mode to your preference, and store in memory.  
If you want to adjust and store your original sound mode, see “Storing your own sound adjustments”  
on page 15.  
• To adjust only the bass and treble reinforcement levels to your preference, see “Adjusting the sound”  
on page 14.  
13  
Adjusting the sound  
You can adjust the treble/bass sound and the speaker balance.  
1 2  
1
SEL  
Select the item you want to adjust.  
Indication  
To do:  
Adjust the bass  
Range  
BAS  
–6 (min.) — +6 (max.)  
(bass)  
TRE  
Adjust the treble  
–6 (min.) — +6 (max.)  
(treble)  
FAD  
(Fader)*  
Adjust the front and rear speaker  
balance  
R6 (rear only) — F6 (front only)  
L6 (left only) — R6 (right only)  
00 (min.) — 50 (max.)  
BAL  
Adjust the left and right speaker  
(Balance) balance  
VOL  
Adjust the volume  
(Volume)  
Note:  
* If you are using a two-speaker system, set the fader level to “00” (center).  
2
Adjust the level.  
Note:  
Normally the + and – buttons work as the volume control buttons.  
So you do not have to select “VOL” to adjust the volume level.  
14  
Storing your own sound adjustments  
You can adjust the sound modes (BEAT, SOFT, POP: see page 13) as you like and store your  
own adjustments in memory.  
2 3  
1 , 4  
2
1
2
Call up the sound mode you want to adjust.  
SOUND  
See page 13 for details.  
W ith in  
5 se co n d s  
SEL  
To adjust the bass or treble sound level  
Select “BAS” or “TRE.”  
To turn on or off the loudness function  
Each time you press LOUD, the loudness function turns on  
and off alternatively. (= go to step 4)  
LOUD  
W ith in  
5 se co n d s  
3
4
5
Adjust the bass or treble level.  
See page 14 for details.  
W ith in  
5 se co n d s  
Press and hold SOUND until the sound mode  
you have selected in step 1 flashes on the  
display.  
Your setting is stored in memory.  
SOUND  
Repeat the same procedure to store other settings.  
To re se t to th e fa cto ry se ttin g s  
Repeat the same procedure and reassign the preset values listed in the table on page 13.  
15  
OTHER MAIN FUNCTIONS  
Setting the clock  
2 ,3  
1
4
1
2
Press and hold the button for more than 2  
SEL  
seconds.  
“CLOCK H,” “CLOCK M” or “AREA” appears on the display.  
1.  
Set the hour.  
SSM  
1. Select “CLOCK H” if not shown on the  
display.  
2.  
2. Adjust the hour.  
3
4
1.  
Set the minute.  
1. Select “CLOCK M.”  
SSM  
2.  
2. Adjust the minute.  
Start the clock.  
DISP  
To ch e ck th e cu rre n t clo ck tim e (ch a n g in g th e d isp la y m o d e )  
Press DISP repeatedly. Each time you press the button, the display mode changes as follows.  
During tuner operation:  
During CD operation:  
Elapsed  
playing time  
Clock  
Clock  
Frequency  
• If the unit is not in use when you press DISP, the power turns on, the clock time is shown for  
5 seconds, then the power turns off.  
16  
Detaching the control panel  
You can detach the control panel when leaving the car.  
When detaching or attaching the control panel, be careful not to damage the connectors on  
the back of the control panel and on the panel holder.  
Ho w to d e ta ch th e co n tro l  
p a n e l  
Ho w to a tta ch th e co n tro l  
p a n e l  
Before detaching the control panel, be sure  
to turn off the power.  
1
Insert the left side of the  
1
control panel into the groove  
on the panel holder.  
Unlock the control panel.  
2
2
Lift and pull the control panel  
out of the unit.  
Press the right side of the  
control panel to fix it to the  
panel holder.  
3
Put the detached control  
Note on cleaning the connectors:  
If you frequently detach the control panel, the  
connectors will deteriorate.  
panel into the case provided.  
To minimize this possibility, periodically wipe  
the connectors with a cotton swab or cloth  
moistened with alcohol, being careful not to  
damage the connectors.  
Connectors  
17  
MAINTENANCE  
Handling CDs  
COMPACT  
This unit has been designed only to reproduce the CDs bearing the  
Other discs cannot be played back.  
mark.  
DIGITAL AUDIO  
Ho w to h a n d le CDs  
When removing a CD from its case, press down the center holder of  
the case and lift the CD out, holding it by the edges.  
Center holder  
• Always hold the CD by the edges. Do not touch its recording surface.  
When storing a CD into its case, gently insert the CD around the  
center holder (with the printed surface facing up).  
• Make sure to store CDs into the cases after use.  
To k e e p CDs cle a n  
Adirty CD may not play correctly. If a CD does becomes dirty, wipe it with  
a soft cloth in a straight line from center to edge.  
To p la y n e w CDs  
New CDs may have some rough spots around the inner and outer edges.  
If such a CD is used, this unit may reject the CD.  
To remove these rough spots, rub the edges with a pencil or ball-point  
pen, etc.  
Mo istu re co n d e n sa tio n  
Moisture may condense on the lens inside the CD player in the following cases:  
• After starting the heater in the car.  
• If it becomes very humid inside the car.  
Should this occur, the CD player may malfunction. In this case, eject the CD and leave the  
unit turned on for a few hours until the moisture evaporates.  
CAUTIONS:  
• Do not insert 8cm (3 3/16") CDs (single CDs) into the loading slot. (Such CDs cannot be  
ejected.)  
• Do not insert any CD of unusual shape – like a heart or flower; otherwise, it will cause a  
malfunction.  
• Do not expose CDs to direct sunlight or any heat source or place them in a place subject to high  
temperature and humidity. Do not leave them in a car.  
• Do not use any solvent (for example, conventional record cleaner, spray, thinner, benzine, etc.)  
to clean CDs.  
About mistracking:  
Mistracking may result from driving on extremely rough roads. This does not damage the  
unit and the CD, but will be annoying.  
We recommend that you stop CD play while driving on such rough roads.  
18  
TROUBLESHOOTING  
What appears to be trouble is not always serious. Check the following points before calling a  
service center.  
Symptoms  
Causes  
Remedies  
• CD cannot be played back.  
CD is inserted upside down.  
Insert the CD correctly.  
• CD sound is sometimes  
interrupted.  
You are driving on rough  
roads.  
Stop CD play while driving  
rough roads.  
CD is scratched.  
Change the CD.  
Connections are incorrect.  
Check the cords and  
connections.  
• “NO DISC” appears on the  
display.  
No CD is in the loading slot.  
CD is inserted incorrectly.  
Insert a CD into the loading  
slot.  
Insert it correctly.  
• Sound cannot be heard from The volume control is turned  
Adjust it to the optimum level.  
the speakers.  
to the minimum level.  
Connections are incorrect.  
Check the cords and  
connections.  
• SSM (Strong-station  
Sequential Memory)  
automatic preset does not  
work.  
Signals are too weak.  
Store stations manually.  
• Static noise while listening  
to the radio.  
The antenna is not connected Connect the antenna firmly.  
firmly.  
• CD can be neither played  
back nor ejected.  
The CD player may function  
incorrectly.  
Press  
and 0 at the  
same time for more than 2  
seconds. Be careful not to  
drop CD when it is ejected.  
• The unit does not work at  
all.  
The built-in microcomputer  
may function incorrectly due to the same time for more than 2  
Press  
and SEL at  
noise, etc.  
seconds to reset the unit. (The  
clock setting and preset  
stations stored in memory are  
erased.)  
19  
SPECIFICATIONS  
[AM Tuner]  
Sensitivity: 20 µV  
Selectivity: 35 dB  
AUDIO AMPLIFIER SECTIO N  
Maximum Power Output:  
Front: 40 watts per channel  
Rear: 40 watts per channel  
CD PLAYER SECTIO N  
Continuous Power Output (RMS):  
Front: 15 watts per channel into 4 , 40  
to 20,000 Hz at no more than 0.8%  
total harmonic distortion.  
Type: Compact disc player  
Signal Detection System: Non-contact optical  
pickup (semiconductor laser)  
Number of channels: 2 channels (stereo)  
Frequency Response: 5 to 20,000 Hz  
Dynamic Range: 95 dB  
Rear: 15 watts per channel into 4 , 40  
to 20,000 Hz at no more than 0.8%  
total harmonic distortion.  
Signal-to-Noise Ratio: 97 dB  
Wow and Flutter: Less than measurable limit  
Load Impedance: 4 (4 to 8 allowance)  
Tone Control Range  
Bass: ±10 dB at 100 Hz  
Treble:±10 dB at 10 kHz  
GEN ERAL  
Power Requirement  
Frequency Response: 40 to 20,000 Hz  
Signal-to-Noise Ratio: 70 dB  
Line-Out Level/Impedance: 2.0 V/20 kload  
(full scale)  
Operating Voltage: DC 14.4 volts (11 to 16  
volts allowance)  
Grounding System: Negative ground  
Dimensions (W x H x D)  
Output Impedance: 1 kΩ  
Installation Size:  
182 x 52 x 150 mm  
TUN ER SECTIO N  
Frequency Range  
FM: 87.5 to 107.9 MHz  
(7-3/16" x 2-1/16" x 5-15/16")  
Panel Size: 188 x 58 x 14 mm  
(7-7/16" x 2-5/16" x 5/8")  
Mass: 1.3 kg (2.9 lbs) (excluding accessories)  
(with channel interval set to 200 kHz)  
87.5 to 108.0 MHz  
Design and specifications subject to change  
without notice.  
(with channel interval set to 50 kHz)  
AM: 530 to 1,710 kHz  
(with channel interval set to 10 kHz)  
531 to 1,602 kHz  
(with channel interval set to 9 kHz)  
If a kit is necessary for your car, consult  
your telephone directory for the nearest  
car audio speciality shop.  
[FM Tuner]  
Usable Sensitivity: 11.3 dBf (1.0 µV/75 )  
50 dB Quieting Sensitivity:  
16.3 dBf (1.8 µV/75 )  
Alternate Channel Selectivity (400 kHz):  
65 dB  
Frequency Response: 40 to 15,000 Hz  
Stereo Separation: 35 dB  
Capture Ratio: 1.5 dB  
20  

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