S Class
Signal P
r
ocessors
31 BAND EQUALIZER
Page 1: ...S C l a s s S i g n a l P r o c e s s o r s 31 BAND EQUALIZER...
Page 2: ...venience receptacles and at the point at which they exit from the unit 11 Unplug this unit during lightning storms or when unused for long periods of time 12 Refer all servicing to qualified personnel...
Page 3: ...hniques 12 Using a Patchbay 12 Using the S curve 131 with an RTA 13 Using the S curve 131 to Remove Feedback 14 S curve 131 Wiring Guide 15 Specifications 16 Pass Band Graphs 16 Block Diagram 17 Copyr...
Page 4: ...atures of the S curve 131 as well as a guided tour through the front and rear panels step by step instructions for using the unit suggested applications for use with a patch bay a Real Time Analyzer R...
Page 5: ...ow noise circuity ensures superb audio fidelity Variable Low Cut Filter for removing rumble and floor noise can be adjusted from 80 to 400 Hz Electronically balanced XLR and TRS inputs and outputs Fro...
Page 6: ...if the corresponding Range switch is pressed in or 12 dB if the corresponding Range switch is not pressed in When moved all the way down as indicated by the blue 24 dB label the frequency area is att...
Page 7: ...switch When pressed in the LED in the switch lights yellow and the variable highpass filter is applied to the signal Using the Low Cut can be highly effective in removing rumble and other low fre que...
Page 8: ...onjunction with mixer insert points or in an effects send return loop The illustrations on pages 8 10 show each of these typical configurations Choose the configuration that is best for your applicati...
Page 9: ...ment by moving each of the Equalizer sliders up and down carefully listening to the audible result on the audio signal Bear in mind that the very lowest and highest frequency areas may have lit tle or...
Page 10: ...onnected to the first using the first loudspeaker s extension output Using the S curve 131 with Passive Speakers In this example the mixer s mono output is connected to the S curve 131 s input Then th...
Page 11: ...both the main PA speakers running a mono mix and for the monitor mix also in mono For the main PA the mixer s MONO output is connected to the S curve 131 s input Then the S curve 131 s output is conne...
Page 12: ...f S curve 131 s inputs for the main PA speakers Then the outputs are connected to the inputs of the active self powered loudspeakers For the monitor mix the mixer s AUX1 output is connected to the thi...
Page 13: ...ds in one frequency range obscure softer sounds in the same range by cutting EQ notches in a loud signal you can actually make room for a softer one to shine through And try not to think of EQ as a mi...
Page 14: ...ence by planning your audio electrical and computer cable runs so that they are as far apart from one another as possible and so they don t run parallel to one another If they have to cross try to ens...
Page 15: ...this will rarely if ever be the case While watching the RTA use the front panel Equalizer sliders to make corrections to the signal boosting any dips in the measured frequency response and attenuating...
Page 16: ...ts set the Range switch so it is off in the 12 position Then raise all front panel Equalizer sliders to their upper most position because the Cut Only switch is on this represents flat response no cut...
Page 17: ...XLR to RCA Cable S curve 131 Wiring Guide There are several ways to interface the S curve 131 depending on your exact monitoring set up Follow the cable diagrams below for connecting your monitor syst...
Page 18: ...Frequency response unity 10 Hz to 90 kHz 3 dB 4 THD N unity gain Less than 0 01 20Hz to 20kHz 5 Main level Max gain 6 dB 6 Low cut filter variable 15 to 200 Hz 7 Noise with 22 kHz LPF all faders flat...
Page 19: ...17 S curve 131 Block Diagram...
Page 20: ...Samson Technologies Corp 575 Underhill Blvd P O Box 9031 Syosset NY 11791 9031 Phone 1 800 3 SAMSON 1 800 372 6766 Fax 516 364 3888 www samsontech com...
