T L Audio User Manual Ebony Series A3 Mono Processor TL Audio Limited, Letchworth, England. Tel 01462 492090, Fax 01462 492
9 Line Input. A second 3-pin XLR connector is provided for connection to a line level source. The signal may be balanced or unbalanced, and connec
10 - Screen = Ground. Unbalanced equipment may be interfaced with the processor insertion point, by wiring the plugs with ring and screen conne
11 OPERATION Input Stage. The input gain control sets the level of the mic, line and instrument signals into the Ebony A3. The 2-posi
12 30dB Pad. Occasionally – when using sensitive condenser microphones – the source signal may be too loud for the input preamp. In this
13 of an audio signal. This is known as reducing the “dynamic range” of that signal and is a powerful tool for an engineer helping to avoid overlo
14 extent as the Soft knee is more gradual around the Threshold point. Unlike some compressors, the Threshold control on TLA units including the
15 Knee. The Knee switch enables the Ebony A3 to be operated in two different modes - soft Knee or hard Knee. Soft knee mode offers a ge
16 LF Band. The LF (Low Frequency) band of the equalizer has a shelving characteristic - i.e. it extends from the selected frequency
17 recorder distorting. The Ebony A3 provides a further 15dB of gain at the output fader to drive digital recorders. It is important to dist
18 GETTING STARTED Connections. There are various ways that the Ebony A3 can be connected into your audio system. The three most common are:
1 CONTENTS INTRODUCTION ...
19 The optional digital output will allow high quality 24-bit A/D conversion of the Ebony A3 mono output on a coaxial SPDIF connector. T
20 each control to see how it affects the sound. If in doubt, aim to use compression gently as it can be difficult to compensate for over-compressio
21 SPECIFICATION Mic Input: Discrete Class A circuitry from input to output (unless Tube stage In), Gain Range: +16dB to +60dB (-14dB to +30dB wi
22 Insertion Point: Pre Compressor and EQ, Balanced, separate Send and Return TRS jack sockets, Nominal Level: 0dBu, Noise -85dBu, 22Hz to 22KH
23 Mid: +/-15dB, swept 150Hz to 7KHz, Q = 0.7, HF: +/-15dB @ 12KHz, shelving, “Pre” and “Sidechain” (Compressor) switches. Metering: Tube “Dri
24 SERVICE Should the unit require service, it must be taken or posted to an authorised dealer with a description of the fault. Please retain the
2 Metering:...
3 INTRODUCTION The TL Audio Ebony Series of audio processors are a sleek looking range of discrete Class A processors designed to heighten your au
4 The Equaliser has 3 bands. The HF and LF controls are shelving whilst the mid control is a swept, peaking filter. Comprehensive sw
5 warming to crunchy overdrive, with a single control. The signal level through the valve is displayed by the variable intensity “Drive”
6 BLOCK DIAGRAM
7 PRECAUTIONS The T L Audio Ebony Series units require very little installation, but like all electrical equipment, care must be taken to ensure re
8 INSTALLATION AC Mains Supply. The unit is fitted with an internationally approved 3-pin IEC connector. A mating socket with pow
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