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565E Dual Compressor/

Limiter/Expander

User

s Guide

565E

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Summary of Contents for 565E

Page 1: ...565E Dual Compressor Limiter Expander User s Guide 565E...

Page 2: ...rix Inc All right reserved Symetrix is a registered trademark of Symetrix Inc Mention of third party products is for informational purposes only and constitutes neither an endorsement nor a recommenda...

Page 3: ...y problem most analog com pressors use conventional voltage controlled amplifier topography which creates added distortion when compressing mid band frequencies Dynamics Squared resolves this problem...

Page 4: ...the power cord is essential for safe operation Grounding The chassis of this product is grounded through the grounding conductor of the power cord To avoid electric shock plug the power cord into a pr...

Page 5: ...side the chassis Refer all service to qualified servicepersonnelortothefactory Make your initial switch and control settings as follows SWITCH CONTROL SETTING CHANNEL 1 EXPANDER THRESHOLD CONTROL BYPA...

Page 6: ...ver the signal level exceeds a predetermined level The predetermined level is known as the threshold level and is usually set by a front panel control The amount by which the compressor lowers the lev...

Page 7: ...tes for signal level lost to compression As an example set the THRESH OLD control counter clockwise and set the RATIO control of the 565E for a 4 1 ratio Now adjust the THRESHOLD control for 10 dB of...

Page 8: ...output display indicates output level in dBu For most applications just make certain that you neverseetheCLIPLEDilluminate Using the Sidechain The sidechain is a patch point in the control circuit of...

Page 9: ...s partially determined by mic technique Be particularly careful of high frequency sounds entering the side or rear pattern of a cardioid mic Most cardioid mics exhibit a sharply rising off axis respon...

Page 10: ...ount determined by the compressor RATIO control setting RELEASE control The RELEASE control allows tailoring of the compressor s recovery time to the program material Generally peak limiting is associ...

Page 11: ...isplay indicates the final output signal level Generally the first two or three LEDs should light when signal is present but the CLIP LED should never be on solidly It is usually all right if the clip...

Page 12: ...l you get if you use a balanced cable BALANCED OUTPUT XLR 3 male connector wired Pin 1 ground Pin 2 high and Pin3 low Use this connector when you need a balanced XLR output The nominal signal level he...

Page 13: ...his does not predispose them to only this usage After all 1 4 inch jacks are sometimes used for loudspeakers which are anything but high impedance Therefore the presence of 3 pin XLR connectors should...

Page 14: ...into 600 ohm balanced loads or 18 dBm into 600 ohm unbalanced loads Polarity Convention The 565E inputs and outputs use the international standard polarity convention of pin 2 hot Therefore if your sy...

Page 15: ...sleeve jack wired for balanced operations This jack may also be used for unbalanced operation The unbalanced output is always 6 dB lower in level than the balanced output FROM UNBALANCED OUT FROM NON...

Page 16: ...ected to the KEY IN jack of the 565E This is accomplished by routing the output of the mic to the input of a mic preamp such as the Symetrix SX202 You can also use the mic preamp built into any mic in...

Page 17: ...CED LANCED UNBALANCED BALANCED E Q GROUND RETURN SEND RETURN to EQ input SEND from EQ output To use the KEY INPUT as a sidechain insert point for external processing of the 565 s sidechain signal conn...

Page 18: ...18 12 12 25 0 SLOW BYPASS FAST RELEASE 10 THRESHOLD dBu 4 6 2 15 10 12 8 25 CH1 COMPRESSOR 4 10 6 2 5 5 10 1 RATIO X 1 FAST 40 20 SLOW RELEASE THRESHOLD dBu 25 Removing Noise from Vocal Tracks It is u...

Page 19: ...ses and brings levels back up to normal q Set the compressor threshold for no more than 9 dB of gain reduction on normal signals q Set the expander threshold for 16 dB or more of gain reduction when t...

Page 20: ...somewhere around 9 dB of gain reduction on the word six q You can refine the setting by listening to the equalizer output and adjusting the EQ to emphasize the sibilance in the source Remember that yo...

Page 21: ...clipping Is something else clipping Noise hiss Check input signal levels The 565E is intended to operate at or near line level 10 dBu or greater Make sure that the signal you are feeding to the 565E i...

Page 22: ...esponse shall be 10 Hz to 60 kHz 0dB 3dB THD Nshallbelessthan 0 02 measured under the following conditions 4dBuinput 4dBuoutput BYPASSswitch out 20Hzto20kHz 30kHzlow passfilter 0dB gain reduction Resi...

Page 23: ...rising out of con nected with or resulting from the manufac ture sale delivery resale repair replace ment or use of any product will not exceed the price allocable to the product or any part thereof w...

Page 24: ...s Just do these five things and repairs made in warranty will cost you only one way freight charges We ll prepay the return surface freight If you choose to send us your product in some sort of flimsy...

Page 25: ...al use EN 50081 1 Electromagnetic compatibility Generic emission standard Part 1 Residential commercial and light industry EN 50082 1 Electromagnetic compatibility Generic immunity standard Part 1 Res...

Page 26: ...565E 24 Symetrix Inc 6408 216th St SW Mountlake Terrace WA 98043 USA Tel 425 778 7728 Fax 425 778 7727 Website http www symetrixaudio com Email symetrix symetrixaudio com...

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