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Summary of Contents for T L Audio EQ-3012
- Page 1 T L Audio CRIMSON SERIES User Manual EQ-3012 PARAMETRIC EQUALISER Tony Larking Professional Sales Limited, Letchworth, England. Tel: 01462 490600. International +44 1462 490600. Fax: 01462 490700. International +44 1462 490700.
- Page 2 INTRODUCTION The T L Audio Crimson Series utilises low noise solid state circuitry to produce audio processing units offering very high quality signal paths with comprehensive control facilities. The Crimson Series are straight-forward to operate, and offer excellent value for money.
- Page 3 PRECAUTIONS The T L Audio EQ-3012 Parametric Equaliser requires very little installation, but like all electrical equipment, care must be taken to ensure reliable, safe operation. The following points should always be observed: - All mains wiring should be installed and checked by a qualified...
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Page 4: Installation
INSTALLATION AC Mains Supply. The unit is fitted with an internationally approved 3 pin IEC connector. A mating socket with power cord is provided with the unit, wired as follows: Brown: Live. Blue: Neutral. Green/Yellow: Earth (Ground). All mains wiring should be performed by a qualified electrician with all power switched off, and the earth connection must be used. - Page 5 Each channel has a female, 3 pin XLR connector, suitable for balanced or unbalanced line sources at a nominal level of +4dBu. The mating connector should be appropriately wired as follows for balanced or unbalanced operation: Balanced inputs: - Pin 1 = Ground (screen). - Pin 2 = Signal Phase (also known as “+”...
- Page 6 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.
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Page 7: Operation
OPERATION. Front Panel. The front panel controls are identified in fig.2. Input Gain. The input gain of the equaliser may be varied over a range of +/-20dB, which combined with the different sensitivity inputs, provides adequate and precise control of signal level. Generally, enough gain should be applied to make the peak LED glow on the louder sections of music, without causing the LED to illuminate brightly for an extended time. - Page 8 values (down to about 0.5 on the 3012) provide more gentle contouring, or “sweetening” of the response. Band 1. This band is always operative on channel A and covers the low-to-mid frequency range of 30Hz to 1K2Hz. The amount of cut and boost available is up to +/-15dB, and the Q is variable from 0.5 (a broad response) to 5 (a narrow peak).
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Page 9: Specifications
SPECIFICATIONS Balanced Line Input: Electronically balanced, unbalanced compatible, with input impedance greater than 5Kohm. Gain range -20dB to +20dB. Nominal input level +4dBu. Maximum input level +26dBu. 3 pin female XLR connector. Unbalanced Input: Input impedance greater than 5Kohm. Gain range -20dB to +20dB. Nominal input level -10dBu. - Page 10 Frequency Range: 30Hz to 1K2Hz, 300Hz to 12KHz with multiply by 10 switch. Q variable 0.5 to 5. Band 4: Cut and Boost: +/-15dB. Frequency Range: 1KHz to 18KHz. Q variable 0.5 to 5. Balanced Outputs: Electronically balanced, unbalanced compatible. Nominal level +4dBu.
- Page 11 Rear panel fuse 20mm, 1AT, 250V. Power consumption 30VA typical. Detachable 3 pin IEC connector, mating connector and cable supplied. Front panel On/Off switch with green LED. Dimensions: 19” rack mounting, 1U high. 483mm wide x 44mm high x 250mm deep. Weight: 4Kg.
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