Blackstar Bass Amplifiers
Discover the perfect blend of modern versatility, massive power, and effortless portability. Our curated collection of blackstar bass amp models represents the ultimate destination for bedroom practice, studio recording, and live stages—where high-fidelity reproduction meets tour-ready reliability. Engineered by Blackstar with flat-response speakers, high-frequency tweeters, and advanced digital signal processing, these specialized blackstar bass amps are designed to let the true character of your bass shine through. As a premier authorized dealer for blackstar bass amplifiers in the UK, MusicStreet is proud to offer these exceptional systems.
Because your performance deserves flawless sound, every single Blackstar bass amplifier we sell undergoes a rigorous quality inspection and safety check by our expert techs in our Huntingdon showroom before shipping, ensuring perfect, noise-free operation straight out of the box.
✓ High-Fidelity Bass Reproduction ✓ Free Delivery over £99 ✓ Professional Tech Support Included
Explore Blackstar Bass Amplifiers at MusicStreet
Blackstar FS-18 2 Button Latching footswitch
Blackstar Amplug2 Fly Bass
The Blackstar Unity Series: Redefining Bass Tone & Versatility
What sets blackstar bass amplifiers apart in the global bass community is their relentless focus on player-centric innovation. This philosophy is beautifully realized in the highly acclaimed Blackstar Unity series. Designed from the ground up to be the ultimate modern lightweight bass amp, the Unity range combines powerful Class-D power sections with highly flexible preamps and advanced tone-shaping controls.
The crown jewel of the Unity series is Blackstar's proprietary response control. Unlike standard solid-state amplifiers that offer a single, static power-amp response, the Unity series allows you to choose between three distinct power stage emulations: Linear (for transparent, high-fidelity reproduction), 6L6 (for classic American warmth and compression), and 6550 (for aggressive, high-headroom modern growl). Combined with three distinct preamp voicings (Classic, Modern, and Flat) and a powerful active 3-band EQ with semi-parametric mid control, the Unity series offers unparalleled tonal versatility.
🔧 Rigorous Inspection
Every amplifier is thoroughly tested, safety-checked, and play-tested by our in-house technicians before being listed for sale.
🛡️ 12-Month Warranty
We stand behind every instrument we sell. All of our amplifiers come with a full 12-month warranty, giving you complete peace of mind with your purchase.
🚚 Free UK Delivery & 14-Day Returns
Get free, fully insured UK shipping on all orders over £99. If the amplifier isn't the perfect fit for your hands, return it to us within 14 days for a hassle-free refund or exchange.
Explore the Blackstar Unity Lineup
The Unity family offers powerful, lightweight, and highly versatile options tailored to different performance and practice needs:
Blackstar Unity 120
The ultimate compact gigging and practice combo. The Blackstar Unity 120 delivers 120 watts of clean, punchy power through a custom-designed 12-inch Eminence Opus speaker. Featuring three preamp voicings, 3-band EQ, and built-in effects (chorus and compression), it is perfect for rehearsals, studio sessions, and small club gigs.
Blackstar Unity 250
For serious stage performance and maximum headroom. The Blackstar Unity 250 packs 250 watts of pristine power through a 15-inch Eminence Opus speaker. It features the full suite of response control emulations, expanded built-in effects (chorus, octave, and compression), and a balanced XLR DI output, making it a professional stage workhorse.
Built-In Effects & Connectivity
Every Unity amplifier is packed with studio-quality built-in effects, including a musical compressor, a lush chorus, and a tracking-perfect sub-octave generator. They also feature auxiliary inputs for backing tracks, headphone outputs for silent practice, and a dedicated cabinet link output to connect the Unity 250 Active Cabinet for an instant volume boost. Explore our used range in our Pre-Owned Collection or view our parent Bass Guitars collection.
Guitar Trade-In & Part-Exchange Program
Ready to upgrade your current amplifier? We make it incredibly easy to trade in your pre-owned gear. Through our straightforward guitar part-exchange program, you can bring your old guitar, amplifier, or effects pedals into our showroom (or send us details online) and put its value directly toward any new or used amplifier in our store.
Visit Our Huntingdon Guitar Showroom
If you are searching for premium guitar shops in Cambridgeshire, come visit our showroom in Huntingdon. Located at 10 Chequers Court, our showroom features a dedicated electric guitar and amplifier room where you can sit back, play, and compare different neck profiles, scale lengths, and pickup configurations side-by-side. We are easily accessible from Cambridge, Peterborough, and Bedford, with convenient parking nearby.
Frequently Asked Questions About Blackstar Bass Amplifiers
What is Blackstar's Response Control on Unity bass amps? +
The response control is a proprietary Blackstar technology that emulates the feel, compression, and sag of classic tube power amplifiers. On models like the Blackstar Unity 250, you can choose between three power stage emulations: Linear (for transparent, high-fidelity reproduction), 6L6 (for classic American warmth and compression), and 6550 (for aggressive, high-headroom modern growl).
What is the difference between the Blackstar Unity 120 and Unity 250? +
The primary differences are power, speaker size, and advanced controls. The Blackstar Unity 120 features 120 watts of power, a 12-inch speaker, and a simplified control set. The Blackstar Unity 250 features 250 watts of power, a 15-inch speaker, the full suite of response control emulations, and expanded built-in effects (including a sub-octave generator), providing significantly more clean headroom and projection for larger venues.
Are Blackstar Unity amps suitable for both practice and gigging? +
Yes, absolutely! The Unity series is designed to be highly versatile. They feature headphone outputs and auxiliary inputs for silent home practice, yet they pack enough Class-D power and feature balanced XLR DI outputs to handle rehearsals, studio recording, and professional stage performances with ease.
Do you inspect and test used Blackstar bass amps? +
Yes, absolutely! Every single pre-owned and used blackstar bass amp undergoes a rigorous multi-point technical inspection, safety check, and play-test by our in-house technicians before being listed for sale. We ensure that all pots, inputs, and speakers are performing optimally. We back all used gear with our full 12-month warranty.
The Blackstar Unity Philosophy: Redefining the Modern Bass Rig
What separates a professional-grade blackstar bass amp from standard production models? For decades, Blackstar has been a driving force in guitar amplification, and their award-winning Blackstar Unity series brings that same relentless innovation to the bass community.
Designed like high-end studio monitors, Unity amplifiers feature full-range, flat-response (FRFR) speaker configurations paired with high-efficiency dome tweeters, ensuring a transparent, uncolored, and three-dimensional reproduction of your instrument's natural voice.
Key Features of the Blackstar Unity Series
- Revolutionary Response Control: The heart of the Unity series. This proprietary control allows you to choose between three classic power amp stages—Classic (valve-like compression and sag), Modern (clean, high-headroom solid-state), and Flat (absolute transparency)—allowing you to tailor the amplifier's dynamic response to your exact playing style.
- Three Distinct Preamp Voices: Every Unity amplifier features three independent preamp voices—Classic (warm, vintage growl), Modern (clean, high-fidelity punch), and Overdrive (aggressive, grinding distortion)—giving you a complete tonal palette in a single, highly portable enclosure.
- Built-In Studio-Grade Effects: Loaded with custom-voiced chorus, octaver, and compression circuits, the Unity series allows you to add incredible depth, space, and dimension to your bass performance without needing an external pedalboard.
- Pristine DI & USB Outputs: Designed with the studio in mind, every Unity amplifier features a studio-grade, balanced XLR DI output with pre/post EQ routing, a direct USB-C recording output that acts as a class-compliant audio interface, and a dedicated cabinet link output for expanding your rig with active cabinets.
Explore the Blackstar Unity Lineup
1. The Blackstar Unity 30 & 60 (The Practice Standards)
The ultimate portable powerhouses for home practice and bedroom sessions. The Unity 30 and Unity 60 deliver clean, transparent power through custom-designed speakers. Featuring dual channels, built-in Bluetooth, and a balanced DI output, they are the perfect tools for intimate rehearsals, home practice, and studio recording.
2. The Blackstar Unity 120 & 250 (The Stage Giants)
For players who demand maximum headroom and projection on larger stages. The Blackstar Unity 120 and Blackstar Unity 250 deliver pristine, bi-amplified power through high-efficiency speakers and dome tweeters. With their expanded EQ controls, dedicated effects loops, and high-power output, they are the ultimate stage workhorses for professional touring musicians.
4. The MusicStreet Difference: Workshop-Prepared Reliability
At MusicStreet, we don't believe in "box shifting." A bass amplifier is a sensitive electronic device, and its reliability is critical to your performance.
Every single Blackstar bass amplifier that leaves our Huntingdon showroom undergoes a rigorous quality inspection and safety check by our expert techs. We verify all input and output jacks, test the EQ and effects controls, check the speakers under heavy load, and perform a full electrical safety check. We ensure your new bass amp runs quietly and performs flawlessly on stage or in the studio.
- No Drop-Shipping: Every amplifier listed on our site is physically in stock at our Huntingdon store.
- 1-Year Warranty: We back every instrument and amplifier we sell with a comprehensive 1-year warranty.
- Free UK Shipping: Enjoy free, fully insured UK shipping on all orders over £99, with competitive rates worldwide.
- Flexible Financing: Buy with confidence using Klarna or PayPal split payments.
5. Frequently Asked Questions (FAQs)
Why is the Blackstar Unity series recommended for bass guitars?
The Blackstar Unity series is designed like a high-end studio monitor, featuring full-range, flat-response (FRFR) speakers and bi-amplified power sections. This ensures a transparent, uncolored, and highly natural reproduction of your bass guitar's organic voice, unlike standard bass amps which color and distort the signal.
Can I expand my Blackstar Unity combo with an extra cabinet?
Yes, absolutely! The Blackstar Unity 250 and other high-power models feature a dedicated "Cabinet Link" output, allowing you to connect the Unity 250ACT active cabinet to instantly add 250 watts of extra power and another 15-inch speaker to your rig for massive stage projection.
Does my Blackstar bass amplifier come tested?
Yes. Every amplifier purchased from MusicStreet receives a professional, custom inspection and safety check in our in-house workshop before dispatch to ensure it runs quietly and performs flawlessly.
Can I try these amplifiers in person?
Absolutely. We welcome you to visit our independent showroom at 10 Chequers Court, Huntingdon, Cambridgeshire. You can bring your own bass, plug into our test amplifiers, and get honest, expert advice from our team of working musicians.
