Руководство пользователя цифрового микшера Allen & Heath QU-SB

1. Введение

The Allen & Heath QU-SB is an ultra-compact digital mixer designed for remote control via an iPad, offering a portable solution for various audio applications including live bands, AV installations, and studio recording. This manual provides detailed instructions for setting up, operating, and maintaining your QU-SB mixer.

2.Основные характеристики

• Компактный дизайн: Ultra-compact digital mixer optimized for iPad control.
• Input/Output Configuration: 16 mono inputs (TRS + XLR), 1 stereo input (TRS), and 12 on-board mix outputs (LR, mono mix 1-4, stereo mix 1-3), plus 1 stereo Matrix out (TRS).
• расширяемость: Expandable up to 32 mono inputs and 24 outputs using dSnake remote audio racks via a single Cat5 cable.
• Мониторные миксы: Supports up to 11 monitor mixes (4 mono + 7 stereo).
• FX Engines: Features 4 FX engines with 4 dedicated FX sends/returns, utilizing the iLive FX library.
• Контрольные группы: Includes 4 mute groups and 4 DCA groups for flexible control.
• USB-аудиоинтерфейс: Integrated 32x32 USB Audio Interface for seamless computer connectivity.
• Qu-Drive: Direct multitrack recording and playback to USB drives.
• AnalogIQ Preamps: Recallable AnalogIQ preamps with zero-crossing detection and advanced 1dB step gain stage for optimal audio transparency.
• Дистанционное управление: Full control via Qu-Pad iPad app, Qu-Control app, and Qu-You personal monitoring app for Android and iOS.

3. Настройка и подключение

The QU-SB is designed for straightforward setup, primarily relying on network connectivity for control.

3.1 Физические соединения

Connect your microphones and line-level sources to the appropriate inputs on the rear panel. The QU-SB features 16 local inputs (XLR/TRS combo for Mic/Line) and one stereo TRS input. Outputs include 12 local mix outputs (XLR) and a stereo matrix output (TRS).

The 16 mic inputs provide phantom power, which can be controlled remotely via the Qu-Pad app. Line inputs are on TRS jacks, while mic inputs are on XLR connectors.

3.2 Настройка сети

The QU-SB requires an external Wi-Fi router for wireless control via iPad. Connect the mixer's Network port to your Wi-Fi router using an Ethernet cable. Ensure your iPad is connected to the same Wi-Fi network.

3.3 USB-подключения

The mixer features a USB port for Qu-Drive direct multitrack recording/playback and another USB port for connecting to a computer as a 32x32 USB Audio Interface.

4. Operating the QU-SB with Qu-Pad

The Qu-Pad app provides comprehensive control over all mixer functions. Download the Qu-Pad app from the Apple App Store.

4.1 Input Channel Processing

Each input channel offers extensive processing capabilities:

• Trim & Polarity: Adjust input gain and phase.
• Фильтр верхних частот (HPF): Remove unwanted low-frequency rumble.
• Ворота: Control noise and dynamics.
• 4-Band Parametric EQ: Shape the tone of your audio with precision.
• Компрессор: Manage dynamic range.
• Задерживать: Compensate for microphone placement or other timing issues.
• Ducker: Automatically reduce the level of one audio signal when another is present (useful for voice-overs).

4.2 Output Processing

Output channels also feature robust processing:

• Вставлять: For external effects.
• 4-Band Parametric EQ: Fine-tune the overall mix.
• 1/3 Octave Graphic EQ: For room equalization.
• Компрессор: Control overall output dynamics.
• Задерживать: Compensate for speaker placement in larger venues.

4.3 Effects and Routing

The QU-SB includes 4 stereo iLive FX engines with a comprehensive library of reverbs, delays, and other effects. Flexible routing allows you to send and return effects to any channel or mix.

4.4 Управление сценой

Save and recall up to 100 scenes, allowing you to store complete mixer configurations for different songs or events. This includes preamp settings, EQ, dynamics, and routing.

4.5 User Permissions and Apps

The QU-SB supports multiple user profiles (Admin, Standard, Basic) with varying levels of access. Additionally, the Qu-You app allows individual musicians to control their own monitor mixes from their mobile devices (up to 7 instances simultaneously), while the Qu-Control app offers a simplified interface for essential live mixing functions.

5. Recording and Playback (Qu-Drive)

The integrated Qu-Drive system allows for direct multitrack recording and stereo playback to a USB hard drive. This is ideal for capturing live performances without needing a computer.

• Многоканальная запись: Record up to 18 tracks directly to a USB drive.
• Stereo Playback: Play back stereo audio files с USB-накопителя.
• Virtual Soundcheck: Use recorded multitracks for virtual soundchecks, allowing you to fine-tune your mix without the band present.

6. Расширенные функции

• Automatic Mic Mixer (AMM): Ideal for conferences and panel discussions, the AMM automatically manages microphone levels to prevent feedback and ensure clear audio.
• Генератор сигналов: Built-in signal generator (pink noise, white noise, sine wave) for system testing and calibration.
• Real-Time Analyzer (RTA): Visual feedback of the frequency spectrum, aiding in room equalization and identifying problematic frequencies.
• Спектрограмма: Provides a visual representation of frequency over time, useful for identifying resonant frequencies in a room.
• ProFactory Mic Presets: Developed in collaboration with leading microphone manufacturers (Shure, Sennheiser, Audio-Technica), these presets provide optimized starting points for various microphones.

7. Технические характеристики

8. Техническое обслуживание

To ensure the longevity and optimal performance of your Allen & Heath QU-SB mixer, follow these maintenance guidelines:

• Уборка: Для чистки внешней поверхности используйте мягкую сухую ткань. Избегайте использования абразивных чистящих средств и растворителей.
• Вентиляция: Ensure proper ventilation around the unit. Do not obstruct the ventilation openings.
• Обновления прошивки: Регулярно проверяйте Allen & Heath. website for firmware updates to ensure you have the latest features and bug fixes.
• Хранилище: Храните миксер в прохладном, сухом месте, вдали от прямых солнечных лучей и экстремальных температур.

9. Поиск Неисправностей

If you encounter issues with your QU-SB mixer, consider the following general troubleshooting steps:

• Нет питания: Проверьте подключение кабеля питания и убедитесь, что розетка исправна.
• Нет звука: Verify all input and output connections. Check gain staging, mute statuses, and fader positions within the Qu-Pad app. Ensure phantom power is enabled for condenser microphones.
• Проблемы с сетевым подключением: Confirm your Wi-Fi router is powered on and functioning. Ensure your iPad is connected to the correct Wi-Fi network and the QU-SB is connected to the router. Try restarting the router and the mixer.
• Зависание/сбой приложения: Close and restart the Qu-Pad app. Ensure your iPad's operating system is up to date.
• Искаженный звук: Check input gain levels to prevent clipping. Inspect cables for damage.

For more detailed troubleshooting, refer to the comprehensive online manual available on the Allen & Heath webсайт.

10. Гарантия и поддержка

The Allen & Heath QU-SB is covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your product or visit the official Allen & Heath webсайт.

For technical support, product registration, and additional resources, please visit the Allen & Heath Support Page.