BLASTKING ULTRAMIX-12USBII 12 Channel Analog Stereo Mixing Console User Manual

1. Introduction

This manual provides detailed instructions for the proper setup, operation, and maintenance of your BLASTKING ULTRAMIX-12USBII 12 Channel Analog Stereo Mixing Console. Please read this manual thoroughly before using the device to ensure optimal performance and safety.

The ULTRAMIX-12USBII is a versatile 12-channel analog stereo mixing console designed for various audio applications. It features ultra low-noise circuitry, a high-precision 3-band EQ, 24-bit digital effects, and integrated Bluetooth and USB interfaces for flexible connectivity.

Image 1.1: BLASTKING ULTRAMIX-12USBII 12 Channel Analog Stereo Mixing Console. This image displays the front panel of the mixing console, highlighting its various controls and input/output ports.

2. Safety Instructions

To reduce the risk of electric shock, fire, or damage to the unit, please observe the following safety precautions:

• Power Source: Connect the unit only to the specified power supply voltage. Ensure the power cord is not damaged or pinched.
• Moisture: Do not expose the unit to rain or moisture. Do not place objects filled with liquids, such as vases, on the unit.
• Ventilation: Ensure adequate ventilation. Do not block ventilation openings.
• Heat: Do not place the unit near heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
• Servicing: Do not attempt to service the unit yourself. Refer all servicing to qualified service personnel.
• Cleaning: Disconnect the power before cleaning. Use a dry cloth only.

3. Package Contents

Verify that all items are present in the package:

• BLASTKING ULTRAMIX-12USBII Mixing Console
• Power Adapter
• User Manual (this document)

4. Product Features

The ULTRAMIX-12USBII offers a comprehensive set of features for professional audio mixing:

• 12 Ultra Low-Noise Channels: Provides clear audio signal processing.
• High Precision 3 Band EQ: Adjustable equalization at 80Hz (low), 2.5kHz (mid), and 12kHz (high) for precise tone shaping.
• Sealed Rotary Controls: Designed to resist dust and grime, ensuring longevity and consistent performance.
• 24-BIT Digital FX: Features 16 presets with a display for various audio effects.
• Built-in Bluetooth Interface: Allows wireless audio streaming from compatible devices.
• PC / MAC Interface: USB connectivity for recording and playback with computers.
• 4 Combo Inputs (XLR / 1/4-inch): Versatile inputs for microphones and line-level instruments.
• Stereo Record RCA Outputs: For connecting to recording devices.
• 2 Tracks IN-RCA Connectors: Additional stereo input for external audio sources.
• Stereo Headphone Output: For monitoring audio.
• Control Room Stereo Output: For connecting to studio monitors.
• +48V Phantom Power: Essential for condenser microphones.
• Slim and Lightweight Design: Enhances portability and ease of use.
• Multi Voltage Power Supply: Adaptable to various power standards.

5. Controls and Connections

This section provides an overview of the main controls and connection points on your ULTRAMIX-12USBII mixer.

5.1 Input Channels

• XLR/1/4-inch Combo Jacks: Connect microphones (XLR) or line-level instruments (1/4-inch).
• Gain Control: Adjusts the input sensitivity for each channel.
• 3-Band EQ: High, Mid, and Low frequency controls to shape the tone of each channel.
• FX Send: Controls the amount of signal sent to the internal effects processor.
• Pan Control: Positions the channel signal in the stereo field (left to right).
• Level Fader: Adjusts the output volume of the individual channel.

5.2 Master Section

• Main Mix Output (1/4-inch): Connects to your main PA system or powered speakers.
• Control Room Output (1/4-inch): Connects to studio monitors.
• Headphone Output (1/4-inch): For personal monitoring.
• FX Section: Controls for selecting and adjusting the 16 digital effects.
• USB Port: For connecting to a computer for audio recording/playback.
• Bluetooth Button/Indicator: For pairing and managing Bluetooth connections.
• +48V Phantom Power Switch: Activates phantom power for condenser microphones.
• RCA Inputs/Outputs: Stereo Record Out and 2-Track In for external devices.

6. Setup

Follow these steps to set up your ULTRAMIX-12USBII mixing console:

1. Placement: Place the mixer on a stable, flat surface, ensuring adequate ventilation around the unit.
2. Power Connection: Connect the provided power adapter to the mixer's power input and then to a suitable electrical outlet. Do not power on the unit yet.
3. Main Outputs: Connect your main speakers or PA system to the MAIN MIX OUTPUTS using 1/4-inch TRS or TS cables.
4. Control Room/Headphones: Connect your studio monitors to the CONTROL ROOM OUTPUTS and/or headphones to the HEADPHONE OUTPUT as needed.
5. Input Devices:
   • Microphones: Connect microphones to the XLR inputs of the combo jacks. If using condenser microphones, ensure the +48V Phantom Power is switched ON after connecting the microphones and before powering on the mixer.
   • Instruments/Line Devices: Connect instruments or line-level devices (e.g., keyboards, media players) to the 1/4-inch inputs of the combo jacks or the 2 TRACK IN RCA inputs.
6. USB Connection (Optional): If using the mixer with a computer, connect a USB cable from the mixer's USB port to an available USB port on your computer.
7. Power On: Once all connections are made, switch on the mixer's power.

7. Operating Instructions

This section covers basic operation of your ULTRAMIX-12USBII mixer.

7.1 Basic Mixing

1. Set Gain: For each active input channel, speak or play into the microphone/instrument. Slowly increase the GAIN control until the PEAK LED occasionally flashes. Then, reduce the gain slightly so the LED only flashes on the loudest peaks.
2. Adjust EQ: Use the HIGH, MID, and LOW controls to shape the tone of each channel. Turn clockwise to boost frequencies, counter-clockwise to cut.
3. Pan: Adjust the PAN control to position the sound in the stereo field.
4. Channel Level: Slowly raise the channel's LEVEL fader to bring the signal into the main mix.
5. Main Mix Level: Adjust the MAIN MIX fader to control the overall output volume.

7.2 Using Effects (FX)

1. Select Effect: Use the FX PROGRAM knob to select one of the 16 built-in digital effects. The display will show the selected effect number.
2. Send Signal: For each channel you want to apply effects to, turn up its FX SEND control.
3. Adjust FX Return: Use the dedicated FX RETURN level control in the master section to adjust the overall volume of the effects in the main mix.

7.3 Bluetooth Operation

1. Activate Bluetooth: Press the Bluetooth button on the mixer. The indicator light will flash, indicating pairing mode.
2. Pair Device: On your mobile device, search for Bluetooth devices and select "ULTRAMIX-12USBII".
3. Play Audio: Once paired, audio from your device will play through the mixer. Adjust the dedicated Bluetooth level control on the mixer.

7.4 USB Audio Interface

When connected to a computer via USB, the ULTRAMIX-12USBII acts as an audio interface. It allows you to record the main mix output to your computer and play back audio from your computer through the mixer.

• Recording: Select the mixer as your input device in your Digital Audio Workstation (DAW) software.
• Playback: Select the mixer as your output device in your computer's sound settings or DAW.

8. Maintenance

Proper maintenance ensures the longevity and optimal performance of your mixer.

• Cleaning: Disconnect the power cord before cleaning. Use a soft, dry cloth to wipe the exterior of the unit. Do not use liquid cleaners or aerosols.
• Storage: When not in use for extended periods, store the mixer in a cool, dry place, away from direct sunlight and extreme temperatures. Cover the unit to protect it from dust.
• Rotary Controls: The sealed rotary controls are designed to resist dust and grime, but avoid excessive force when turning them.

9. Troubleshooting

If you encounter issues with your ULTRAMIX-12USBII, refer to the following common problems and solutions:

If the problem persists after trying these solutions, please contact customer support.

10. Specifications

11. Warranty and Support

The BLASTKING ULTRAMIX-12USBII comes with a 2-Year Warranty, ensuring peace of mind regarding manufacturing defects and performance issues under normal use.

For technical support, warranty claims, or service inquiries, please refer to the contact information provided with your purchase or visit the official Blastking website. Keep your proof of purchase for warranty validation.

Optional protection plans are available for extended coverage:

• 2-Year Protection Plan
• 3-Year Protection Plan
• Complete Protect (monthly plan)

These plans offer additional coverage beyond the standard manufacturer's warranty.