1. Introduction
The Positive Grid Spark Live is a versatile 150-watt, 4-channel combo amplifier and PA system designed for musicians. It integrates advanced modeling technology with powerful sound projection, suitable for various instruments and vocals. This manual provides essential information for setup, operation, and maintenance.
2. Important Safety Instructions
- Read these instructions.
- Keep these instructions.
- Heed all warnings.
- Follow all instructions.
- Do not use this apparatus near water.
- Clean only with dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
- Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Only use attachments/accessories specified by the manufacturer.
- Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
- WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
- CAUTION: Risk of Fire and Burns. Do Not Open, Crush, Heat Above 60°C or Incinerate. For use only with specified charger.
3. Package Contents
- Positive Grid Spark Live Amplifier
- Power Adapter
- Documentation (Quick Start Guide, Safety Instructions)
4. Product Overview
4.1 Front Panel Controls
The front panel features controls for each of the four channels, allowing for individual adjustment of gain, bass, mid, and treble. A master volume control is also present.
Image 1: Front view of the Positive Grid Spark Live amplifier, showing the control knobs for gain, bass, mid, treble, and master volume for each channel, along with input jacks.
4.2 Rear Panel Connections
The rear panel provides various input and output options for connecting instruments, microphones, and external devices.
Image 2: Rear view of the Positive Grid Spark Live amplifier, highlighting the various input/output ports including USB-C, Aux In, Line Out, and DC In.
5. Setup
5.1 Powering On
- Connect the power adapter to the DC IN port on the rear panel.
- Plug the power adapter into a suitable electrical outlet.
- Press the POWER button on the front panel to turn on the Spark Live.
- If using the optional rechargeable battery, ensure it is charged and properly installed. The unit can operate on battery power for up to eight hours.
5.2 Connecting Instruments and Microphones
- Channel 1 (Guitar): Connect your electric or acoustic-electric guitar to Input 1.
- Channel 2 (Vocals/Bass/Acoustic-Electric Guitar): Connect a microphone, bass guitar, or acoustic-electric guitar to Input 2.
- Channels 3/4 (Stereo Direct-Ins): Use these for keyboards, computer audio, or pedalboards.
6. Operating Instructions
6.1 Adjusting Sound
Use the GAIN, BASS, MID, and TREBLE knobs for each channel to shape your tone. The MASTER volume controls the overall output level.
6.2 Spark App Integration
The Spark Live integrates with the free Spark Companion app, offering extensive control over amp models, effects, and presets. Connect via Bluetooth for wireless control.
Video 1: An overview of the Positive Grid Spark 2 amplifier, demonstrating its features and connectivity options. This video highlights the compact design and various controls available on the unit.
Video 2: A walkthrough of the Spark CAB, showcasing its full-range flat response speakers and various input/output options. The video also demonstrates its power hub capabilities for charging other Spark devices.
6.3 Using the Rechargeable Battery
The optional Spark Battery provides up to eight hours of operation on a single charge. It can be charged while the amp is in use, allowing for continuous play.
Image 3: Close-up view of the Positive Grid Spark Live rechargeable battery pack, showing its specifications and installation slot on the amplifier.
7. Maintenance
- Keep the unit clean and free from dust. Use a dry, soft cloth for cleaning.
- Avoid exposing the unit to extreme temperatures or humidity.
- Do not attempt to service the unit yourself. Refer all servicing to qualified personnel.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound Output | Power not connected, volume too low, instrument cable faulty. | Check power connection, increase master/channel volume, test with a different cable. |
| Bluetooth Connection Issues | Device not in pairing mode, interference. | Ensure Spark Live is in Bluetooth pairing mode, move closer to the unit, restart both devices. |
| Battery Not Charging | Power adapter not connected correctly, faulty battery. | Verify power adapter connection, ensure battery is properly seated. Contact support if issue persists. |
9. Specifications
- Output Wattage: 150 Watts
- Channels: 4
- Compatible Devices: Guitar, Bass, Vocals, Keyboard
- Connector Type: 6.35mm Jack
- Power Source: Battery Powered (Rechargeable Battery Pack sold separately)
- Item Weight: 1 Pounds
- Color: Black
10. Warranty and Support
For warranty information and technical support, please refer to the official Positive Grid website or contact their customer service directly. Keep your proof of purchase for warranty claims.