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User Manual

C o m p r e s s o r / L i m i t e r

®

162SL

Summary of Contents for DBX 162SL

Page 1: ...User Manual C o m p r e s s o r L i m i t e r 162SL...

Page 2: ...hock refer servicing to qualified service personnel or equivalent This Equipment is intended for rack mount use only SAFETY INSTRUCTIONS NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED WITH A POWER CORD...

Page 3: ...nce that may cause undesired operation Operation of this unit within significant electromagnetic fields should be avoided use only shielded interconnecting cables DECLARATION OF CONFORMITY Manufacture...

Page 4: ...ntrols 10 Front Panel Description 10 Rear Panel Description 15 Operating Notes 17 OverEasy and hard knee 17 Using the Compression Control 17 Using the Stereo Couple Switch 18 Using the Auto Switch 18...

Page 5: ...s occur Technically speaking we refer to this reserve as headroom usually about 10 20dB A reduction of the operating level would allow for greater headroom i e the risk of signal distortion due to hig...

Page 6: ...limiters perform similar tasks one essential point makes them different Limiters abruptly limit the signal above a certain level while compressors control the signal gently over a wide range A limiter...

Page 7: ...ion and limiting is shown visually below In the first diagram below compression squashes the signal Its peaks are lowered but the overall level of the signal is raised due to applied make up gain Outp...

Page 8: ...attack times When compressing a mix that includes a wide range of frequencies a compromise is made when setting the attack time The attack setting would generally suit the lowest frequency components...

Page 9: ...plementation was complete the result was stunning Here is a partial list of the features found on the 162SL You won t hear about most of them anywhere else but they are critical to the amazing specs c...

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Page 11: ...ot exceed 113 F 45 C when equipment is powered Caution Never remove the cover There are no user serviceable parts inside Make connections via XLR or 1 4 connectors Plug in AC power cable and power ON...

Page 12: ...w end to 20dBu 7 75V rms at the high end of the scale Threshold LEDs These LEDs above the Threshold control indicate the relationship between the input signal and the threshold set by the Threshold co...

Page 13: ...The 162SL s release times range from 4000dB second very fast release time to 10dB second slow release time A very fast attack setting control maximum counterclockwise will cause the com pressor to act...

Page 14: ...Great care has gone into the design of the PeakStopPlus limiter to keep it acoustically transparent Appropriate use of it can protect your gear while keeping the signal free of artifacts A bi color LE...

Page 15: ...measurement of approximately 3dB before hard clipping will occur due to the maximum output level of the 162SL 24dBu VU Meter The custom designed analog meter is made to serve 3 different functions fir...

Page 16: ...ection Switch and LED Selecting this mode via the switch allows the user to monitor the amount of gain reduction in dB applied to the signal on the linear lower scale of the VU meter When in gain redu...

Page 17: ...g This allows the 162SL to be very ver satile in many applications from ducking to frequency specific compression or limiting Two sepa rate cables are used in favor of the conventional single Y cable...

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Page 19: ...l must change in level to produce a 1dB increase in the sig nal level at the output of the 162SL A setting of 2 1 indicates an input output ratio wherein a 2dB increase in input signal above threshold...

Page 20: ...eo linked The Bypass switch and LED Sidechain switch and LED and the Meter Mode switches and LEDs remain channel independent and function normally in linked mode The Auto switch sets the 162SL for aut...

Page 21: ...ortion It rounds the corners of a peak rather than cutting it off sharply as clippers do By making a signal s leading and trailing edges curved instead of sharp corners it reduces the amount of higher...

Page 22: ...f compression are more audible in a mixed stereo program than they might be on the separate tracks that were mixed to create the program Raising a signal out of a mix Since reducing dynamic range incr...

Page 23: ...wise 1 1 posi tion the Threshold control to full clockwise position 20 and the Output Gain control to whatever setting is required for the application Remember that as with any amplifier excessive gai...

Page 24: ...lone before or after the dominant tone in the voice Increasing sustain To increase the sustain of a musical instrument e g a guitar or bass use an equalizer in the sidechain circuit and boost the EQ i...

Page 25: ...ious stomp boxes and rack mount audio products Such sources can be balanced or unbalanced this is no problem for the 162SL Microphones and bass guitars like guitars typically have low level outputs an...

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Page 27: ...hip parcel post This warranty is valid only for the original purchaser and only in the United States 1 The warranty registration card that accompanies this product must be mailed within 30 days after...

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Page 29: ...surement bandwidth Dynamic Range 117dB THD Noise 0 008 typical at 4dBu 1kHz unity gain 0 02 typical at 20dBu 1kHz unity gain 0 1 any amount of compression up to 30dB 1kHz IMD 0 02 SMPTE 4 1 no gain re...

Page 30: ...und INDICATORS Compressor Threshold Meter 3 LED indicators at Below OverEasy and Above Sidechain 1 LED to indicate when external sidechain is selected Auto 1 LED to indicate when Auto mode is selected...

Page 31: ...8760 South Sandy Pkwy Sandy Utah 84070 Phone 801 568 7660 Fax 801 568 7662 Questions or comments E mail us at customer dbxpro com or visit our World Wide Web home page at www dbxpro com 18 0280 C...

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