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21

18. Recheck Gain Structure

As you have made changes to several level controls in the 
system, now is a good time to recheck the gain or level 
settings of all components in the system to be sure that an 
adequate signal level is being fed to each device and that no 
excessive clipping is present.

5.

 

Operating Your System

 

l

 

올바른 동작 방법

your amplifier input level controls are still turned down. Now 
switch on the power to all amplifiers. 

14. Set Amplifier Input Level Controls

There is generally no need to set your amplifier level controls 
to maximum unless the device feeding your power amplifier 
does not have sufficient output gain to drive the amplifier to 
full output power. 
Your VC-23 or VC-34 has plenty of available output. When 
testing your system, it is recommended that you keep your 
amplifiers levels at a relatively low level until you have 
confirmed correct system setup and balance.
This will avoid sudden bursts or transients that might be 
harmful to your speakers.

15. Mute Switches

The mute switches on your crossover are a useful tool for 
system setup. The VC-23 allows muting of the low frequency 
outputs in the stereo operating mode. The VC-34 allows 
muting of the low and/or mid frequency outputs. 
Your STK crossover provides mute switches for each 
individual channel as will as the subwoofer section.
Utilizing these switches will allow you to confirm that each 
speaker is functioning properly without changing your output 
level settings and without having to walk up to each speaker 
system to specifically listen to each driver. The mute switch 
functions in the "in" position.

16. Balance Output Levels

Using your output level controls, you may want to fine tune 
the balance between sub bass, lows and highs on the VC-
23 and the sub bass, lows, mids and highs on the VC-34. 
This process will involve subjective listening on your part. 
While your output level controls should not replace a graphic 
equalizer, you will find that some changing of low, mid, high 
and subwoofer output levels can enhance the overall balance 
of your system. Major equalization should be reserved for 
your graphic equalizer.

17. Reset Amplifier Input Level Controls

Once you are satisfied with the balance of the whole audio 
system, you are ready to bring the system up to operating 
level. With your program material being fed to the crossover, 
slowly turn your amplifiers up to achieve the maximum 
necessary operating level or loudness or until the clip 
indicators begin to flash, whichever is lower. As a starting 
point, you may want to set the amplifier gain at the twelve 
o'clock position.
Set one side at a time. Most peak or clip indicators on power 
amplifiers are showing the status of the amplifier's output, 
not the input. Running your amplifiers in a clipping condition 
could cause damage to your speaker system and should 
always be avoided. Some slight readjustment of the output 
level controls on the crossover may be necessary at this time. 

16. 출력 레벨 균형 맞추기

출력 레벨 조절기를 사용하여 VC-23의 서브베이스와 저주파, 고
주파, VC-34의 서브베이스와 저주파, 중주파와 고주파 사이의 균
형을 맞출 수 있습니다. 이 절차는 개인 파트의 듣기에도 연관이 됩
니다. 출력 레벨 조절기에서 그래픽 EQ를 제거해 둔 동안에 저, 중, 
고주파 그리고 서브우퍼 출력 레벨 조절기로 전체적인 시스템의 균
형을 올릴 수 있습니다. 주된 이퀄리제이션은 그래픽 이퀄라이저에
게 맡겨 두십시오.

17. 앰프 입력 레벨 조절기 재설정

모든 오디오 시스템의 균형을 잡으셨다면, 이제 본격적인 동작모드
로 들어가 보겠습니다. 크로스오버로 프로그램 기기의 신호를 입력
하면서 천천히 앰프의 볼륨을 원하시는 만큼 올려주십시오. 앰프의 
볼륨은 큼립 표시등이 켜지지 않도록 하셔야 하며 너무 크게 올리
지 않으시는 것이 좋습니다. 시작점으로써 앰프의 게인을 12시 방
향으로 두시고 시작하여 주십시오. 한번에 한쪽씩 설정해 주세요. 
대부분의 피크 또는 클립 표시등은 앰프의 입력이 아닌 출력 상태
를 표시해 줍니다. 클립 표시등이 켜지는 상태에서 앰프를 동작 시
키는 것은 스피커 시스템을 망가뜨릴 수 있으니 반드시 피해야 합
니다. 이 단계에서는 크로스오버의 출력 조절기를 통한 약간의 미
세한 조절이 요구될 수 있습니다.

18. 게인 구조 확인

시스템에서 몇몇 레벨 조절기를 바꾸었으므로 각 기기에 적당한 신
호레벨이 입력되고 있는지, 과한 클리핑이 존재하지는 않는지를 확
인하기 위해 시스템의 모든 구성요소의 게인과 레벨 설정을 재확인 
해야 합니다.

G. 모노 동작

Содержание VC-23

Страница 1: ...C 23 VC 34 Active Crossover OWNER S MANUAL VC 34 3 Way Stereo 4 or 5 Way Mono Crossover VC 23 OUTPUT PIN 1 GND 2 HOT 3 COLD 3 2 Level LOW OUTPUT LOW OUTPUT Level Level Level MID OUTPUT Level LOW OUTPU...

Страница 2: ...ty Instructions l 4 5 3 Panel Description l 6 12 4 Connecting Your System l 13 14 5 Operating Your System l 15 29 6 Care and Maintenance l 30 7 Professional Operating Tips l 31 33 8 System Hookup Diag...

Страница 3: ...three way crossover with an additional mono subwoofer output making it a four way crossover Similar to the VC 23 the VC 34 can be used as a mono four or five way crossover Both of these units feature...

Страница 4: ...sources refer to the operating instructions 8 Polarization If the appliance is equipped with a polarized alternating current line plug a plug having one blade wider than the other this plug will fit i...

Страница 5: ...of other controls may result in damage and will often require extensive work by a qualified technician to restore the appliance to its normal operation e If the appliance has been dropped or the cabi...

Страница 6: ...tput level of the selected low frequency range Mono Controls output level of the selected mono low frequency range 6 Frequency Range Selector Switch Multiplies the frequency selected on the frequency...

Страница 7: ...ch is in the 600 Hz to 13 kHz position 13 Channel A Mid Frequency Selector VC 34 Only Stereo Selects crossover frequency determining where the channel A mid frequency band terminates and the high freq...

Страница 8: ...ctual clipping Mono This LED is inactive when the VC 23 VC 34 are used in the mono configuration 22 Channel B Low Frequency Output Level Control Stereo Controls channel B output level of the selected...

Страница 9: ...the out position the frequency range is from 60 Hz to 1 3 kHz In the in position the frequency range is from 600 Hz to 13 kHz 29 Frequency Range Indicator LED VC 34 Only The LED will light when the f...

Страница 10: ...for parallel mono operation Mono 3 way This jack is inactive when the VC 23 is used in the mono configuration 5 Mono Subwoofer Output The mono signal from the sub bass filter is present at this output...

Страница 11: ...r connection to the input of the channel B high frequency amplifier Mono The mono high frequency signal is present at this output for connection to the input of the high frequency amplifier 14 Channel...

Страница 12: ...nal is present at this output for connection to the input of the channel A mid frequency amplifier Mono The mono low mid frequency signal is present at this output for connection to the input of the l...

Страница 13: ...your unit is supplied with a grounded power cord and plug connect the unit only to a properly grounded AC outlet Do not use a ground lift adapter or attempt to defeat the ground on the plug Failure to...

Страница 14: ...est in one of the many higher quality low impedance mics available on the market or alternatively purchase an impedance matching transformer from your dealer 2 1 4 Phone Input Jacks These tip sleeve j...

Страница 15: ...way speaker systems that have separate inputs available for the high and low frequencies 1 Power amplifier to reproduce the very low or sub bass frequencies 1 or 2 subwoofer speaker systems 3 Stereo 3...

Страница 16: ...end such as an unbalanced phone plug on one end and an XLR on the other 3 Connect Low Frequency Output Connect the channel A low frequency output of the crossover to the left or channel 1 input of th...

Страница 17: ...y input of your right side speaker system 9 Connect High Frequency Driver Connect the left or channel 1 speaker output from the high frequency power amplifier to the high frequency input of your left...

Страница 18: ...et Crossover Frequency On the front panel turn your channel A low high VC 23 or low mid VC 34 frequency control to the crossover frequency recommended by your speaker system manufacturer as outlined a...

Страница 19: ...mid frequency output 5 Check Frequency Range Selector Switch The yellow indicator light will indicate the crossover frequency range selector switch is in the in position once power has been switched o...

Страница 20: ...ard left or to the off position As you are operating in the stereo mode the mono mode indicator light on your VC 23 or VC 34 should not be illuminated 11 Set Input Level Controls Now you are ready to...

Страница 21: ...r is functioning properly without changing your output level settings and without having to walk up to each speaker system to specifically listen to each driver The mute switch functions in the in pos...

Страница 22: ...more subwoofer speaker systems 3 Mono 4 Way Operation VC 34 The mono 4 way system will require the following equipment to be connected to the outputs of the VC 34 1 or more amplifiers to reproduce th...

Страница 23: ...h different connectors on each end such as an unbalanced phone plug on one end and an XLR on the other 3 Connect Low Frequency Output Connect the channel A low frequency output of the crossover to the...

Страница 24: ...eaker systems 12 Connect High Mid Frequency Speakers Connect the speaker outputs from the high mid frequency power amplifier to the high mid frequency speaker inputs of your speaker systems 13 Connect...

Страница 25: ...to the crossover frequency recommended by your speaker system manufacturer as outlined above This frequency will be the minimum at which your mid frequency speaker can safely operate You may wish to...

Страница 26: ...quencies VC 34 On the front panel turn your low to low mid frequency control to the crossover frequency recommended by your speaker system manufacturer as outlined above This frequency will be the min...

Страница 27: ...id To High Crossover Frequency On the front panel turn the high frequency control to the recommended crossover frequency This frequency will be the minimum at which your high frequency driver or tweet...

Страница 28: ...and proper gain structure procedures when using any sound system but it is of particular importance when using this device This section will help you learn correct gain adjustment procedures Once you...

Страница 29: ...h speaker is functioning properly without changing your output level settings and without having to walk up to each speaker system to specifically listen to each driver The mute switch functions in th...

Страница 30: ...icals to clean the unit A large clean paint brush is useful to remove accumulated dust between the many control knobs on the front panel If liquids are accidentally spilled on to the unit disconnect t...

Страница 31: ...tweeter it would probably destroy the delicate lightweight membrane or diaphragm that enables it to accurately reproduce the sizzle of the cymbal While you probably will not damage a woofer by running...

Страница 32: ...bes a few pros and cons about both methods of frequency routing In order to extract maximum performance from a sound system an active crossover is clearly the effective choice or the audio professiona...

Страница 33: ...ertion loss Adjustable crossover frequencies More headroom cleanest sound Very low distortion Steeper 24 dB per octave slopes minimize Phase cancellation between speakers Power handling increases slig...

Страница 34: ...OKUPS NOT USED SET SWITCH TO MONO TO TWEETER TO MID HORN TO DUAL 15 WOOFERS TO DUAL 18 SUBWOOFERS V 6 HIGH AMP V 6 MID AMP V 12 Plus LOW V 12 Plus SUBWOOFER NOT USED OFF INPUT LEVEL 5 8 HIGH LEVEL 8 H...

Страница 35: ...9 Block Diagram l VC 23 3 Way Mono l VC 23 3 35...

Страница 36: ...36 9 Block Diagram l VC 23 2 Way Stereo l VC 23 2...

Страница 37: ...9 Block Diagram l VC 34 4 Way Mono l VC 34 4 37...

Страница 38: ...38 9 Block Diagram l VC 34 3 Way Stereo l VC 34 3...

Страница 39: ...d In Out Unbalanced In Out XLR 1 4 Phone Jack XLR Impedance Balanced Input Unbalanced Input Output 10 10 100 10 10 100 Maximum Input Output Level Input Output Gain Clip Light Threshold Indicators 20 d...

Страница 40: ...Hz 60 13kHz 60 250Hz 24dB 24dB 24dB 24dB In Out In Out XLR 1 4 XLR 10 10 100 10 10 100 dB 20 dBm 12 dBm 3 dB 10 20 dBm 12 dBm 3 dB 10 120 230V AC 50 60Hz 15W 120 230V AC 50 60Hz 15W H W D mm inch 44 4...

Страница 41: ...EAR WARRANTY STK electronics are warranted to be free from defects in materials and workmanship under normal use for a period of 1 year from date of original purchase During that period STK will at it...

Страница 42: ...11 1 STK 1 AS STK STK STK Professional Audio A S 42 FOR YOUR RECORDS 1 STK 543 15 3 21104 TEL 032 525 1788 1790 FAX 032 525 1784 E mail stkcom stkpro com www stkpro com...

Страница 43: ......

Страница 44: ...Owner s Manual For The STK VC Series Active Crossover Printed In Korea STK Professional Audio NOV 2018...

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