Sumo Summing Amplifier manual

Operational Manual Version 1.0 – October 2004[...]

Operational Manual Contents © Audient v1.0 10/2004 2 Copyright 2004 . All rights reserved. The information in this document is subject to change without notice. Audient plc makes no warranty of any kind with respect to the materi al in this document and shall not be liable for errors contained herein or for incidental or consequential damages rela[...]

Operational Manual Contents © Audient v1.0 10/2004 3 Thank you for buying this audient product. As can be found throughout the Audient range, your Sumo has been painstakingly designed and lovingly nurtured to give you years of productive, reliable, mix fattening performance. To make the most of this, we suggest that you have a good look through th[...]

Operational Manual Contents © Audient v1.0 10/2004 4 CONTENTS SAFETY INFORMATION 5 INSTALLATION 7 OVERVIEW – THE BENEF ITS OF ANALOGUE SUMM ING 8 PLUGS AND SOCKETS Analogue audio interfaces 10 Digita l interfaces 11 HOOKING UP 12 KNOBS, BUTTONS AND F LASHY LIGHTS Input section 15 Mix Compressor/Peak Limiter 16 Mix master/monitor section 17 Digit[...]

Operational Manual Important safety instructions © Audient v1.0 10/2004 5 IMPORTANT SAFETY INS TRUCTIONS WARNING THIS EQUIPMENT MUST BE EARTHED. DO NOT EXPO SE TO RAIN OR MOISTURE. Plea se read all of the following instructions and save them for later reference before attempting to connect your Sumo to the AC power source. CAUTION ATTENTION RISK O[...]

Operational Manual Safety Information © Audient v1.0 10/2004 6 SAFETY INFORMATION EARTH This unit is connected via its power cord to the mains safety earth. NEVER OPERATE THE UN IT WITH THIS EARTH CONNECTION REMOVED. COVERS DO NOT remove the covers. Refer servicing to qualified personnel only. VOLTAGE Sumo is set to operate only at the voltage sho[...]

Operational Manual Installation © Audient v1.0 10/2004 7 INSTALLATION Unpacking Your Sumo has been carefully and meticulously tested before despatch. Please check for any signs of transit damage. If any signs of mishandling are found please notify the carrier and your dealer immediately. Mains Power Supply Fuses Sumo can be switched to operate at [...]

Operational Manual Overview – The Benefits of Analogue Summing © Audient v1.0 10/2004 8 OVERVIEW – THE BENEF ITS OF ANALOGUE SUMM ING Having bought the unit, you’ve probably figured out that Sumo is a high - resolution summing amplifier with stereo bus compressor and peak limiter, not to mention a handy little monitor section. Nevertheless, [...]

Operational Manual Overvie w – The Benefits of Analogue Summing © Audient v1.0 10/2004 9 This means that Sumo can take whatever you throw at it without distortion or noise. Another feature of large format studio consoles is the inclusion of a compressor over the main stereo bus. Consequently, the bus compressor f rom the ASP8024 has also been in[...]

Operational Manual Plugs and Sockets © Audient v1.0 10/2004 10 PLUGS AND SOCKETS Audio Interfaces The 16 inputs a re connected via two Tascam DA88 type female D - Sub connectors. Interconnect cables are readily available in pre - wired form from Audient and from any good cable manufacturer. You can get these with different tail types to suit your [...]

Operational Manual © Audient v1.0 10/2004 11 Pin conventions To unbalance the outputs of the Sumo the - ve Pin should be connected to its adjacent 0v pin at Sumo’s output. Similarly, inputs from unbalanced sources should be connected via twin screened cables with the – ve pin connection tied to the screen at the unbalanced source. Inputs and o[...]

Operational Manual Hooking Up © Audient v1.0 10/2004 12 H OOKING UP Before starting, it’s always a good idea to make sure that your monitor speakers are muted and/or turned off – this ensures that nothing gets popped or blown up when cables are being fiddled with and while power is turned on. Analogue Connecti on (see Figure 1, on next page) 1[...]

Operational Manual Hooking Up © Audient v1.0 10/2004 13 Monitor Outputs Main Outputs Mix Inserts External Input (1+2) Expander Inputs (3 - 8) Figure 1: Analogue Connections Summing Inputs[...]

Operational Manual Hooking Up © Audient v1.0 10/2004 14 AES/EBU S/P DIF Word Clock Word Clock Clock Master Figure 2: Digital Connections[...]

Operational Manual Knobs, Buttons and Flashy Lights © Audient v1.0 10/2004 15 KNOBS, BUTTONS AND F LASH Y LIGHTS Input Section MONO Buttons – Under normal circumstances, all of the odd numbered channels entering Sumo are routed to the left side of the bus, while even numbers are routed to the right. Of course, this is going to sound a little unu[...]

Operational Manual Knobs, Buttons and Flashy Lights © Audient v1.0 10/2004 16 MIX COMPRESSOR/PEAK LIMITER DYNAMICS ‘In’ Switch – Puts both compressor and limiter in circuit. When the dynamics are out, they are hard bypassed, clearing the signal path of any unnecessary components. Threshold – Sets the point at which compression begins to wo[...]

Operational Manual Knobs, Buttons and Flashy Lights © Audient v1.0 10/2004 17 Adjusting this will vary the way the compressor handles transient sounds. Where control of unruly transients is required, a faster attack will clamp down on peaks. However, if larger amounts of gain reduction are applied, unnecessarily fast attac k times may affect high [...]

Operational Manual Knobs, Buttons and Flashy Lights © Audient v1.0 10/2004 18 Digital Sectio n SAMPLE RATE – Rates of 44.1, 48, 88.2, 96, 176.4 and 192kHz are supported. The desired sample rate can be selected by pressing the select button repeatedly whereby the sample rate will cycle through internal rates and then the external Word Clock sourc[...]

Operational Manual Sumo Surgery (Troubleshooting) © Audient v1.0 10/2004 19 SUMO SURGERY (TROUBL ESHOOTING) Symptoms Diagnosis Remedy The power light is off. The fuse is blown. The power connector at the back contains the main fuse. Try changing thi s, using a correctly rated replacement for your local mains voltage (see back panel). The power lig[...]

Operational Manual © Audient v1.0 10/2004 20 Why can’t I hear anything? START HERE No Yes No Yes No No Yes Yes No Yes No No Yes No Yes Yes Is there anything showing on the main meters? Is there an insert attached? Turn the monitor volume up. Does this help? Problem solved. Check the connections to your monitor amplifier and/or speakers. Does thi[...]

Operational Manual Accessories © Audient v1.0 10/2004 21 ACCESSORIES A range of accessories is available to hook up to other gear or expand your Sumo system. All cables are of the highest quality and will perfectly complement your Sumo in any set - up. For alternative terminations o r lengths, contact your Audient dealer. Description Order code 3 [...]

Operational Manual Warranty © Audient v1.0 10/2004 22 WARRANTY Your Sumo comes with a manufacturers warranty for one year from the date of despatch to t he end user. The warranty covers faults due to defective materials used in manufacture and faulty workmanship only. During this warranty period Audient will repair or at its discretion replace any[...]