® TLAudio user manual Ivory 2 Series 5013 DUAL VALVE EQUALISER TL Audio Ltd, Letchworth, Herts, SG6 1AN, UK email: info@tlaudio.co.uk web: http://www.tlaudio.co.
CONTENTS 1 INTRODUCTION 2 PRECAUTIONS 3 INSTALLATION 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 AC Mains Supply Audio Operating Level Balanced Line Input Unbalanced Line Input Instrument Input Balanced Output Unbalanced Output Mounting Rear Panel 4 OPERATION 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.
1. INTRODUCTION Congratulations on purchasing the Ivory 5013 Dual Valve Equaliser by TL Audio! The T L Audio Ivory 2 Series consists of a range of hybrid valve signal processors, which utilise low noise solid state electronics in conjunction with classic valve circuitry to produce audio processing units offering very high quality signal paths with the unique valve audio character.
compensate by turning down the output gain. Alternatively the input gain can be kept low for a cleaner sound and the output gain can be turned up to compensate. This way a wide range of tonal colours is achievable. The line output is via balanced XLR socket at a nominal level of +4dBu, with an unbalanced output on 0.25” jack at a nominal level of -10dBu.
3. INSTALLATION 3.1 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. Before connecting the unit to the supply, check that the unit is set for the correct mains voltage.
The 5013 may be used to shift operating levels, for example by connecting the unbalanced output of a semi-pro mixing console to the equaliser’s unbalanced input, and taking the balanced output of the equaliser to the balanced input of a tape machine at +4dBu. All line-level inputs and outputs of the equaliser may be used simultaneously if required.
3.5 Instrument Input. A 2-pin (mono) jack plug is required, which should be wired as follows: - Tip = Signal Phase (“+” or “hot”). - Screen = Ground. The instrument input is suitable for direct connection of instruments including guitars and keyboards. Good quality screened cable should be used, particularly for microphone or low level sources, to prevent hum or noise pickup. 3.6 Balanced Output. The output is via a balanced, 3 pin male XLR connector.
3.9 Rear Panel. The rear panel connectors are identified in Fig.3. Make sure that all settings, mains and audio connections have been made as described above before attempting to operate the equipment. 4. OPERATION 4.1 Front Panel. The front panel controls are identified in Fig.2. 4.2 Line Input. A line level signal should already be at about the correct operating level, but check that the input level switch is correctly set (see section 3.2). An input gain adjustment may be made if necessary. 4.
FIG 2: FRONT PANEL OUTPUT LEVEL CONTROL INPUT GAIN CONTROL 0 1 EQ BYPASS SWITCH 0 Hz Q 100 0 300 Hz Q 300 Hz 0 2K 1K Q Hz 0 6K EQ Q 6K 0 12K FAT -20 dB +20 DRIVE IVORY -15 dB +15 30 INPUT INSTRUMENT PEAK 0 2 0 1K -15 LF (PULL) Hz Q 100 dB +15 100 -15 3K dB +15 1K 0 300 12K -15 dB +15 3K HM LM Hz 300 Hz 0 Q 2K 1K Q 0 6K -20 20K HF (PULL) Hz Q 6K ON ON dB +20 OUTPUT 5013 0 DUAL VALVE EQUALISER EQ 12K FAT -20 dB +20 -15 dB
operation would be to set the input gain so that the drive LED is regularly illuminating, with occasional lighting of the red Peak LED on transients. If the input and output gain controls are set to their centre (0dB) positions and there is no EQ boost applied, the Peak LED will illuminate some 8dB after the Drive LED has reached its full intensity.
4.7 Frequency Control. This control sets the Frequency on each band that is to be cut or boosted. The frequencies are variable over the following ranges: LF band: LM band: HM band: HF band: 4.8 30Hz to 1kHz 100Hz to 3kHz 1kHz to 12kHz 3kHz to 20kHz Q (Bandwidth) Control. The “Q” of the filter is a measure of the shape of the frequency response curve, and is closely related to the ‘bandwidth’ or range of frequencies controlled by the filter.
frequency control. This can be effective for “warming up” the low frequencies or adding brightness or “air” to the top end frequencies. 4.10 Fat Contour Switch. Each channel of the 5013 has a “FAT” contour switch positioned to the far right of the unit, indicated by a red LED. The Fat switch adds a subtle boost to the low end and high end frequencies with a slight mid range dip - meaning the overall volume is not altered.
2. Adjust the input gain so that the Drive LED illuminates with the chosen source material. You should notice an audible change in sound character as the input gain is driven harder and the valves start to generate more harmonics. 3. If more output is then required then adjust the output level control accordingly. Beneath the input gain there is a red “Peak” LED. This lights up to warn that the signal is 5dB below clipping. This LED monitors both the input stage and the output stage.
6. SPECIFICATIONS Line Inputs: Balanced XLR, switchable +4dBu/+18dB nominal level. Unbalanced jack, switchable -10dBu/+4dB nominal level. Instrument Input: Front panel jack, Input Impedance 1Mohm. Input Gain Range: +/-20dB (Line), -2dB to +38dB (Instrument). Maximum Input Level: +30dBu (XLR), +26dBu (Jack), +10dBu (Instrument). Outputs: Balanced XLR, switchable +4dBu/+18dB nominal level. Unbalanced jack, switchable -10dBu/+4dB nominal level. Output Gain Range: +/-20dB.
HM Band: +/-15dB at 1KHz to 12KHz. Q variable 0.8 to 7. HF Band: +/-15dB at 3KHz to 20KHz. Q variable 0.8 to 7. Switchable to shelving mode. “FAT” Response: Predefined EQ contour, maximum +/-3dB, 10Hz to 40KHz. Distortion: Predominately second harmonic, increasing with “Drive” level. Typically 0.5% @ 0dBu. Drive LED: Increasing intensity to reflect valve drive, commencing at +4dBu to full brightness at +14dBu (Output Level at 0dB). Peak LED: +20dBu. Monitors Input, Post EQ and Output Levels.
Shipping Weight: 6kg. The above specifications are typical figures, and are subject to change without notice.
7. SERVICE Should the 5013 require service, it must be taken or posted to an authorised dealer. Please retain the original packing for possible future use, and ensure the unit is suitably protected during transit. The manufacturer cannot accept responsibility for damage caused during transportation. The 5013 is 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.