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Summary of Contents for Portico 5043

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Page 2: ...an produce noise crackles etc SWITCH OFF IMMEDIATELY because once current starts to flow the mixture hardens can get very hot burnt toffee and cause permanent and costly damage If it gets wet and you...

Page 3: ...at has enough capacity to power your PorticoTM 5043 or your complete assembly of PorticoTM modules for the expected duration of your session THE NEED FOR DYNAMIC CONTROL OF SOUND LEVELS The dynamic ra...

Page 4: ...ssor Limiter Duo Front Panel 5043 Compressor Limiter Duo Back Panel DC input jack 2 1 x 5 5 x 9 5mm Center Positive FB Changes the operation from FeedFoward to FeedBack Buss Input Toggles between Line...

Page 5: ...t behaves at high levels For low distortion an analog amplifier must have a linear transfer characteristic in other words the output signal must be an exact replica of the input signal differing only...

Page 6: ...tted The Portico 5043 embodies two independent Compressor Limiters A and B They can be used independently or connected in sequence to provide two separate control slopes The D C control circuits may b...

Page 7: ...sor The two compression characteristics are quite different there is more overshoot and both the attack and recovery ramps are changed providing the user with powerful choices A choice between Feed Fo...

Page 8: ...rovides a linear path allowing signals to be amplified without the gain being adjusted in any way When signals exceed the threshold level the gain is reduced in a controlled manner that depends on the...

Page 9: ...en speech syllables The ATTACK time is the time taken for the compression circuits to start compressing A long ATTACK time allows short duration peaks to escape and go through uncompressed This may ca...

Page 10: ...y be fed to the Buss Input to provide high performance mixing that is intended to provide sub group mixing in a console configuration COMPOSITE OPERATION Cascading the two sections A and B of the Port...

Page 11: ...utton OUTPUT LEVEL indicates the actual output level in dBu The GREEN segments cover the range from 10 to 10 dBu The YELLOW segments cover the range from 10 to 20 dBu and the RED segment 22 dBu and ab...

Page 12: ...XLR input or Buss Input jacks to accept Portico series Buss Outputs Maximum Output Level Balanced and Floating Transformer Output 25 dBu Total Harmonic Distortion and Noise 2kHz 20 dBu output level no...

Page 13: ...INPUT TRANSFORMER GAIN OUTPUT TRANSFORMER LINE IN OUTPUT LEVEL BLOCK DIAGRAM IN METERS REDUCTION BUSS IN A B ATTACK RELEASE THRESHOLD RECTIFIER FB VCA FROM CH B RECTIFIER FROM CH B OUTPUT LINK LINK T...

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