Blackstar St. James 50 EL34H 50W Valve Amplifier Head in stock

Guitar Amps and Cabs

Guitar amps and cabs are just as crucial to a guitarist’s tone as the guitar itself. Amplifiers shape the sound—whether it’s clean and warm, crunchy and bluesy, or full-on distortion for rock and metal. They come in two main types: combo amps, which include both the amp and speaker in one unit, and amp heads, which are paired with separate cabinets (cabs) to project the sound.

Cabs come in various sizes, like 1×12, 2×12, or the mighty 4×12, each delivering different tone and feel. Speakers, cabinet wood, and even open vs closed backs all influence the sound. Matching the right amp and cab gives players control over their dynamics, tone, and presence—whether you’re playing in your bedroom, a studio, or on a festival stage.

in stock

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About Blackstar

We have new and used Blackstar musical equipment available on our website for fast direct delivery from sellers across the UK & Europe.

Blackstar Amplification is a British company founded in 2007 by former Marshall engineers with a vision to create versatile and high-quality guitar amplifiers and effects pedals. Known for blending the warmth of classic valve amps with modern technology, Blackstar offers features such as tone-shaping controls and power management, allowing musicians to tailor their sound and volume for any setting. Their product range includes everything from compact practice amps to powerful stage-ready models, making them popular with beginners and professionals alike. Trusted by many notable artists, Blackstar continues to innovate while maintaining a reputation for reliable, great-sounding gear.

Blackstar St James 50 Watt Electric Guitar Valve Lightweight Head Amplifier EL34 Tubes

£1,030.26

Vertical 2×12″ Cabinet with Open/Close back Exclusive Celestion G12Z-70 ‘Zephyr’ 8 Ohm custom-designed, lightweight speaker 4 Ohms and 16 Ohms outputs Serious Black boutique styling with a stunning ‘silver birch’ fret

Blackstar St. James 50w EL34 Ultra Lightweight 1×12 Valve Combo

£1,119.00 £1,116.19

Ultra-lightweight 50 Watt combo 2 x ECC83, 2 x EL34 Two footswitchable channels Footswitchable Channel II Boost (‘top boost’) 50W / 2W / Sag power reduction

Blackstar St. James 50-watt Guitar Tube Amp Head w/ 6L6 Power Tubes, 2 Channels, and Cab Rig Output

£899.00

Versatile power options with 50W, 2W, and Sag settings for optimal performance at any volume level Studio-quality cabinet simulation with built-in Cab Rig output for direct recording or PA use without an external speaker Lightweight design constructed from candlenut plywood, making it easier to transport while maintaining a boutique feel Dual 6L6 p… read more

Blackstar St. James JJN 50H Head Racing Green – Tube Amp Head for Electric Guitars

£1,223.77 £1,204.77

Topteile Röhrenverstärker E-Gitarren Verstärker Gitarren We emphasise a balanced combination of careful workmanship and selected materials. OUR GOAL – Your satisfaction is our top priority and takes centre stage.

Blackstar HT Series Electric Guitar Valve Amplifier (HT-212VOC MKII Cab, Black)

£429.00

"Exclusively sold on the web or on request". HT-212OCV MKII