T L Audio
CRIMSON SERIES
User Manual
C-3021 COMPRESSOR
Tony Larking Professional Sales Limited,
Letchworth, England.
Tel: 01462 490600. Interna44 1462 490600.
Fax: 01462 490700. Interna44 1462 490700.
Страница 1: ...L Audio CRIMSON SERIES User Manual C 3021 COMPRESSOR Tony Larking Professional Sales Limited Letchworth England Tel 01462 490600 International 44 1462 490600 Fax 01462 490700 International 44 1462 490700 ...
Страница 2: ...e guitar or microphone or a higher output source such as a keyboard or active guitar followed by the 40dB variation of the input gain control After the input stages the signal is fed to the compressor core and the sidechain processing The sidechain also monitors the output of the compression stage and generates a control signal which varies the attenuation of the compressor The sidechain processin...
Страница 3: ...served All mains wiring should be installed and checked by a qualified electrician Ensure the correct operating voltage is selected on the rear panel before connecting to the mains supply Never operate the unit with any cover removed Do not expose to rain or moisture as this may present an electric shock hazard Replace the fuse with the correct type and rating only Warning This equipment must be e...
Страница 4: ...ning attempted operation on the wrong voltage setting or with an incorrect fuse will invalidate the warranty Audio Operating Level The compressor is equipped with inputs and outputs suitable for connection to a wide variety of other audio equipment Generally the balanced XLR connections will be required for interfacing to other professional equipment where the operating level line up level or nomi...
Страница 5: ...ined by linking pins 1 and 3 in the mating XLR connector If this connection is not made a loss in level may result Unbalanced Line Inputs An unbalanced line level input at a nominal level of 10dBu is also provided for each channel on a 0 25 mono jack socket The mating plugs should be wired as follows Tip Signal Phase or hot Screen Ground Auxiliary Inputs A 2 pin mono jack plug is required which sh...
Страница 6: ...sertion point When used in this manner the send will be post compressor Balanced Outputs The output is via a balanced 3 pin male XLR connector The mating connector should be wired as follows Pin 1 Ground screen Pin 2 Signal Phase or hot Pin 3 Signal Non Phase or cold Unbalanced Outputs An unbalanced line output is provided for each channel on a 0 25 mono jack socket Tip Signal Phase or hot Screen ...
Страница 7: ...N suitable for microphones pick ups or passive guitars and are also controlled by the input gain control Compressor Operation A compressor functions by reducing the gain of the signal when it exceeds a certain level or threshold The amount of gain reduction may be fairly gentle through to limiting where the signal is clamped at the threshold level The amount of gain reduction is determined by the ...
Страница 8: ... resulting in increased compression as the control is rotated clockwise Attack and Release The attack time is switchable to 0 5msec or 20msec At 0 5msec attack the compressor is fast enough to reduce the gain of a 1KHz signal in less than half a cycle effectively preventing an overload of any following equipment which has limited headroom such as a digital processor tape machine or transmitter The...
Страница 9: ...raph Meters The compressor is equipped with twin LED bargraph meters These meters normally monitor the audio output from the unit and are calibrated for nominal level of 4dBu at the balanced output 0dB Similarly 0dB on the meters also corresponds to 10dBu at the unbalanced output The reference point may be internally adjusted by your dealer if required The output level scale is printed between the...
Страница 10: ...20dB Nominal input levels 10dBu Maximum input level 12dBu 2 pole 0 25 jack socket Auxiliary Input Switchable for high or low gain plus 40dB gain variation Maximum input level 18dBu 2 pole 0 25 jack socket Compressor Threshold 20dBu to 20dBu Attack 0 5msec or 20msec Release 40msec or 2 seconds Ratio 1 1 5 to 1 30 Gain Make Up 0 to 20dB Stereo Operation Ganged Threshold Attack Release and Ratio cont...
Страница 11: ...1dB Noise 82dBu 22Hz 22KHz Dynamic Range 108dB Sidechain Insertion Points Unbalanced switched 3 pin jack socket tip send ring return Nominal level 2dBu Output impedance 47 ohms Return input impedance 10Kohms Power Requirements Rear panel selectable for 220 240V 50Hz or 110 120V 60Hz operation Rear panel fuse 20mm 1AT 250V Power consumption 30VA typical Detachable 3 pin IEC connector mating connect...
Страница 12: ... supported by a limited warranty for a period of one year from the date of purchase During this period any faults due to defective materials or workmanship will be repaired free of charge The warranty excludes damage caused by deliberate or accidental misuse operation on the incorrect mains voltage or without the correct type and value of fuse fitted It is the user s responsibility to ensure fitne...
