Introduction
The Blackstar Unity Bass 1x10 60 Watt Bass Combo Amplifier, model BASSU60, is a compact and versatile bass amplifier designed for both practice and performance. This manual provides essential information for safe and effective use, covering setup, operation, maintenance, and troubleshooting.
Figure 1: Front view of the Blackstar Unity Bass 1x10 60 Watt Bass Combo Amplifier BASSU60.
Important Safety Instructions
Before operating the BASSU60 amplifier, please read and understand all safety warnings and instructions. Retain this manual for future reference.
- Power Source: Connect the amplifier only to a power supply of the type described in this manual or on the unit.
- Grounding: Ensure the amplifier is properly grounded to prevent electric shock.
- Ventilation: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Water and Moisture: Do not use this apparatus near water or expose it to dripping or splashing.
- Heat: Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Servicing: 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.
Setup
1. Unpacking
Carefully remove the amplifier from its packaging. Inspect the unit for any signs of damage that may have occurred during transit. Report any damage to your dealer immediately.
2. Power Connection
- Ensure the amplifier's power switch is in the OFF position.
- Connect the supplied power cord to the MAINS INPUT on the rear panel of the amplifier.
- Plug the other end of the power cord into a suitable grounded AC power outlet.
3. Instrument Connection
Connect your bass guitar to the INPUT jack on the front panel using a standard 1/4" instrument cable.
4. External Connections (Optional)
- MP3/Line In: Connect an external audio device (e.g., MP3 player, phone) to the MP3/LINE IN jack on the rear panel using a 3.5mm stereo cable for practice or playback.
- Effects Loop: Use the SEND and RETURN jacks on the rear panel to connect external effects pedals. Connect the SEND to the input of your effects unit and the output of your effects unit to the RETURN.
- Cab Link: For expanding your setup, connect an additional Unity Bass Series cabinet to the CAB LINK output on the rear panel.
- Line Out: Use the XLR or 1/4" LINE OUT jacks to connect to a mixing console, audio interface, or other external amplification systems. Adjust the LEVEL control for the desired output.
- Footswitch: Connect an optional footswitch to the FOOTSWITCH jack for remote control of certain amplifier functions.
Figure 2: Rear panel connections, including Mains Input, Footswitch, MP3/Line In, Line Out, and Cab Link.
Operating Instructions
1. Powering On/Off
After all connections are made, switch the power button on the rear panel to the ON position. The power indicator on the front panel will illuminate. To power off, switch the button back to OFF.
2. Front Panel Controls
Figure 3: Front panel controls, including Input, Gain, EQ, Voicing, and Effects.
- Input: Connect your bass guitar here. Includes a -10dB pad switch for active basses or high-output instruments.
- Gain: Adjusts the input sensitivity and overall drive of the preamp.
- Voicing: Selects between three distinct preamp voicings:
- Classic: Provides a vintage, warm bass tone.
- Modern: Offers a clean, articulate sound with extended frequency response.
- Overdrive: Adds harmonic richness and distortion for aggressive tones.
- Low: Controls the bass frequencies.
- Mid: Controls the midrange frequencies. The Frequency knob allows you to sweep and select the specific mid-frequency to boost or cut.
- High: Controls the treble frequencies.
- Chorus: Activates or deactivates the built-in chorus effect.
- Compressor: Activates or deactivates the built-in compressor effect, which helps to even out dynamics.
- Master: Controls the overall output volume of the amplifier.
Maintenance
1. Cleaning
To clean the amplifier, use a soft, dry cloth. Do not use abrasive cleaners, solvents, or waxes, as these can damage the finish and components. Ensure the amplifier is unplugged before cleaning.
2. Storage
When not in use for extended periods, store the amplifier in a dry, temperature-controlled environment, away from direct sunlight and extreme temperatures. Cover the unit to protect it from dust.
3. General Care
Avoid placing heavy objects on the amplifier. Do not expose the unit to excessive vibration or impact. Regularly check cables for wear and tear and replace them if necessary.
Troubleshooting
If you encounter issues with your BASSU60 amplifier, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound output | Power not connected, volume too low, instrument cable faulty, speaker cable disconnected (if applicable), effects loop issue. | Check power connection and switch. Increase Master volume. Test with a different instrument cable. Ensure all connections are secure. Bypass effects loop if used. |
| Distorted or weak sound | Input gain too high/low, faulty instrument, damaged speaker, incorrect EQ settings. | Adjust Gain control. Test with a different instrument. Check EQ settings. If distortion persists at low volumes, contact service. |
| Humming or buzzing noise | Ground loop, faulty cables, interference from other electronics. | Ensure proper grounding. Try different power outlets. Replace suspect cables. Move amplifier away from other electronic devices. |
| Effects (Chorus/Compressor) not working | Effect switch off, internal fault. | Ensure the respective effect switch is engaged. If still not working, contact service. |
If the problem persists after attempting these solutions, please contact Blackstar customer support or an authorized service center.
Specifications
The following are the technical specifications for the Blackstar Unity Bass 1x10 60 Watt Bass Combo Amplifier BASSU60:
| Feature | Detail |
|---|---|
| Brand | Blackstar |
| Model Name | BASSU60 |
| Output Wattage | 60 Watts |
| Speaker Size | 10 Inches (Custom Eminence Opus) |
| Amplifier Type | Hybrid |
| Preamp Voicings | Classic, Modern, Overdrive |
| EQ | 3-band with semi-parametric Mid control |
| Built-in Effects | Compression, Chorus |
| Connectivity | 1/4" Instrument Input, MP3/Line In (3.5mm Jack), Effects Loop (Send/Return), XLR Line Out, 1/4" Line Out, Footswitch, Cab Link |
| Power Source | Corded Electric |
| Color | Black |
| Enclosure Material | Resin |
| Item Dimensions (D x W x H) | 19.01" x 20.15" x 14.48" |
| Item Weight | 14 Grams (Note: This weight seems unusually low for an amplifier of this type and may be a data entry error. Please refer to the manufacturer's official product page for accurate weight.) |
| UPC | 845644004096 |
Warranty Information
For detailed warranty information regarding your Blackstar Unity Bass 1x10 60 Watt Bass Combo Amplifier BASSU60, please refer to the official Blackstar Amplification website. Warranty terms and conditions may vary by region and product.
Website: www.blackstaramps.com
Customer Support
Should you require technical assistance, service, or have any questions not covered in this manual, please contact Blackstar customer support. Have your model number (BASSU60) and serial number ready when contacting support.
Contact Information: Please visit the official Blackstar Amplification website for the most up-to-date customer support contact details, including phone numbers, email addresses, and support portals specific to your region.
Website: www.blackstaramps.com