Unity Pro Bass are the result of countless hours of technical research and benchmarking against the most iconic historic references. Designed from the ground up by bass players, for bass players they are straight forward and powerful. The new Unity Pro Bass System’s deceptively simple controls allow you to quickly and easily create your tone, with rock solid bass, detailed dynamics and innovative features in a compact package from 30 Watts to 500 Watts. Blackstar’s unique Response control allows the player to choose between the sound and feel of three classic power amp stages, shaping compression, natural drive and dynamics. Combined with three distinct preamp voicings and a 3-band semi-parametric EQ, Unity produces infinitely flexible bass tone and exceptional feel, whatever your playing style. The Unity 250ACT powered cabinet can be linked to any model in the line to add 250W or more of active power to your rig; taking you from the studio or rehearsal room to the gig with ease and portability. From the organic response of classic valve amps, to a transparent clean platform, Unity brings together the ultimate in bass tone.
Unity Bass Series Key Features
• Ultimate tonal flexibility – From valve inspired growl to high headroom clean
• Unique Response control – 3 power amp stages to shape compression and feel
• Drive section – 3 overdrives (Overdrive / Distortion / Fuzz) with user-controllable blend
• Compressor and effects – Chorus and Sub-Octave
• Pro connectivity – balanced XLR, jack or USB are perfect for live, studio and home use
• Unity Bass Series Active Cabinet – connect to any amp in the Unity Bass Series for 250W of extra power
Designed from the ground up by bass players, for bass players
Any Player, Any Sound
Straight forward and powerful, UNITY’s deceptively simple controls allow you to quickly and easily create your tone no matter what style you play.
Choose From 3 Voices
Offering Classic, Modern and Flat voicings, Unity Bass is perfect for any playing style.
Classic - Valve-inspired growl with Vintage EQ
Modern - High-headroom dynamics and advance EQ
Flat - Totally flat, clean and transparent
Unique Response Control
A unique response control with 3 power amp stages to shape compression and feel.
Linear - Powerful and articulate – let your playing do the talking
6L6 - Compression and punch of 6L6 power valves
6550 - Dynamics and headroom of high power 6550’s
From the organic response of classic valve amps,
to the transparent clean platform,
UNITY brings together the ultimate in bass tone
User Controlled Overdrive
3 different overdrives with user-controllable blend.
Overdrive - Smooth, open, harmonically-rich overdrive
Distortion - Balanced pedal-like distortion
Fuzz - In-your-face, full-on fuzz
Enhance your sound with built in Chorus, Compressor and Octaver.
UNITY Bass is perfect for the studio or stage with the balanced XLR, USB connectivity and more.
Extend your set up
The UNITY U250ACT 1x15” active cab adds 250 Watts of extra stage power to any UNITY combo.
Eminence Opus Speakers - Voiced for UNITY
Unity Pro Bass System features Eminence Opus speakers, designed and voiced in partnership with Eminence - the professional choice for bass players around the world.
Custom designed 10" Speaker
3 Voices – Classic, Modern, Overdrive
3 band EQ with semi-parametric Mid
Footswitchable Overdrive and Chorus
Input Gain (with clip indication)
Pad Switch for active / passive instruments
Link to Unity Bass Series Active Cabinet
MP3 / Line in
XLR + ¼" Line Out / Headphones with independent level control
Our chosen courier, DPD is currently operating as normal and all orders should be delivered on time. DPD are also now operating a "contact-free" service as a standard process and customers will not be asked to sign handheld units.
Mainland UK Delivery Services
Order before 2pm, Monday to Friday, for same-day dispatch of in-stock orders. Very heavy items such as pianos may take longer to deliver. In-stock orders placed over the weekend will be dispatched on Monday. Estimated delivery times for out of stock items are to be used as a guide only, these items may take longer than estimated to arrive. While we try our best to ensure rapid delivery of your order, delays may occur which are outside our control, and delivery of large or bulky items, or to remote or non-mainland addresses may take longer than estimated.
Most UK deliveries are shipped by our trusted courier, DPD. You'll receive an email with a delivery day, tracking and a one hour estimated delivery window on the morning of delivery. While we can't specify the time of the delivery, if it's not convenient, you can arrange directly with DPD for an alternative delivery date or request the parcel be left with a neighbour.
For heavier items, we usually ship UK deliveries by TNT. You will receive an email with tracking details when we ship your order.
Delivery to mainland UK addresses is free on all orders over £99. Delivery charges are based on the size and weight of your order and, in some cases, your location. A standard next working day carriage charge for UK mainland addresses is shown on the shopping basket page, but you can change delivery service later in the checkout.
We use a few different delivery couriers, depending on the items being sent, your location, and the delivery service you've chosen:
Most orders will need to be signed for and we advise you make sure to check your parcel/s for any damage before signing. If no-one is available at your address, a card will be left so you can arrange a re-delivery directly with the courier. Redirection of an order after it's been dispatched may incur an extra charge from the courier.
Delivery charges displayed apply to most UK mainland addresses. Deliveries to Northern Ireland, UK non-mainland, and European addresses will cost more, and carriage charges will be shown at the checkout before you place your order. Free delivery offers may not apply to some remote/Scottish Highlands addresses.
Replacement process for items damaged in transit or faulty
It doesn't happen often, but occasionally an item does get damaged on it's way to you. Don't worry! If your order is received either damaged or faulty, just let us know, preferably using the returns request form within 30 days of receiving the item, and we'll arrange for it its return and for a replacement or refund.
Returning an undamaged item
You can return most items bought online or by phone within 14 days for a refund (provided that it is unused and returned to us in New Condition – including packaging). You will need to return the item at your own expense. When we receive the goods back undamaged and with the correct packaging we will refund the cost of the goods.
Software or products that include software that needs to be registered are not eligible for this 14 day return period if opened and installed, and due to hygiene reasons we can't accept certain used in-ear headphones, microphones or harmonicas.
Faulty items under guarantee
The repair procedure for items which are under guarantee varies from manufacturer to manufacturer - please refer to the documentation which accompanied your purchase or complete the returns request form and we will advise you of the appropriate process.