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Chuck Levin’s will be closed for Memorial Day on Monday May 27th
Chuck Levin’s will be closed for Memorial Day on Monday May 27th

Blackstar St. James 50-Watt 1x12-Inch 6L6 Tube Guitar Combo Amplifier

Original price $2,029.99
Original price $2,029.99 - Original price $2,029.99
Original price $2,029.99
Current price $1,449.99
$1,449.99 - $1,449.99
Current price $1,449.99
► New - ♫ In stock
Condition: New
About Inventory Status

Call or text us at 301-946-8808.

In stock: It is in stock and available to ship or pickup. Apparel must be shipped from another location and is not available for in-store pickup. We can usually ship or have these items available for pickup by the next business day if they don't require inspection, special handling, or setup. Our pickup location is 11151 Veirs Mill Rd. Silver Spring, MD 20902.

📆 Preorder: It is on the way to our warehouse. We can't predict when preorder items will arrive due to current supply chain issues. If you place an order for one of these items someone will contact you to estimate the delivery date.

Out of stock: We don't currently have it available but you're not out of luck yet. We still may be able to get it. If you order one of these items we will contact you with an estimated fulfillment date. You have the option to cancel the order if you change your mind.

Special order: The item is so special that it needs to be custom ordered for you. Some of these items are works of art and have to be made individually. Orders for special order items must be prepaid and we cannot accept cancellations or refunds.

█ Sold out: We don't think we can get this item because it was either discontinued by the manufacturer or was limited in quantity. If you want or need this item call or text us. Sometimes we can help you track down the item through other sources or help you find something similar.

About Item Conditions

Call or text us at 301-946-8808.

New: The item is brand new as received from the manufacturer with a full manufacturer warranty. Instruments such as guitars, snare drums, drum kits, brass and woodwind instruments may be opened for photography and quality control inspection and may not be in a factory sealed box.

Mint or Open Box: The item may have been opened and tested but has been repackaged. The original packaging may have superficial issues but the item itself and any originally included accessories are in perfect, like new condition.

Display Model: These items are so cool that we put them on display in our legendary shop. The condition is brand new as received from the manufacturer with manufacturer warranty. Rest assured, these items undergo a very careful inspection before shipping.

Demo: These items have been on our sales floor for demo purposes and will likely show signs of use. The original packaging may no longer be included, but you can be assured that you are receiving an awesome item and an awesome price.

Used: The item is used. These item may have varying degrees of wear. Please read the description for information about the condition of the item. Used items do not carry a warranty.

B or C Stock: Factory refurbished. These items were purchased from the manufacturer in a refurbished condition. They will show some cosmetic issues, but nothing that would impact performance. Being that these are sealed from the manufacturer, we generally do not open these to photograph the cosmetic issues. They are guaranteed to work and may have a limited warranty or you may purchase an extended warranty in some cases. Please see the listing description for item specific information.

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Experience The World's Lightest 50 Watt Valve Amp - The Blackstar St. James 50-Watt 6L6 Tube Guitar Amplifier Head

Answering calls from guitarists everywhere for a valve amplifier that is truly lightweight and portable, Blackstar delivers the most advanced, innovative and best-sounding 50 Watt valve amps in the world. Available in a higher gain 6L6 design these amps are simple to use, but highly versatile. Developed after months of forensic examination of vintage valve amps, the intuitive two channel set-up delivers their best ever cleans and overdrives without compromise.

  • Reactive load allows you to use the valve amps without a speaker connected, mimicing the response of a typical speaker for authentic power amp tones at home or in the studio
  • The new Cab Rig simulator technology reproduces the sound and feel of a mic’d up guitar cab in incredible detail
  • Power reduction to 5 watts, or "Sag" setting which recreates a softer vintage response
  • Super lightweight amps, half the weight of a traditional valve amp

When it comes to tone and that all-important "feel" factor, great valve amps rightfully remain the "gold standard". The trouble is that great ones capable of delivering 50 Watts or more are all back-breakingly heavy. Until now… enter Blackstar’s brand-new St. James Series - the lightest 50 Watt valve guitar amps on earth.

The pivotal design goal was simple yet bold - to build the world’s lightest valve amps without compromising tone, feel or performance. To this end, sturdy, lightweight cabinets were crafted from acoustically-pleasing candlenut wood; and the amp chassis was also successfully lightened without loss of strength. A good start, but there's still a vitally important component to deal with - namely the mains transformer….

The St. James range use highly efficient, lightweight power transformers designed around modern SMPS (Switched-Mode Power Supply) technology. 36 months of intense R&D have delivered all the benefits of SMPS, namely lightweight and universal voltage compatibility, whilst retaining the sound and feel of a traditional iron-core transformer. Not surprisingly, the resulting revolutionary transformer technology is patent pending.

In addition, the output transformer has been optimized for size and weight, whilst retaining Blackstar’s world leading reliability and sonic standards. According to Blackstar's Chief Engineer, Paul Stevens, this was achieved "by employing specific interleaving of the transformer’s windings, careful choice of lamination material, and other geometric considerations".

Obviously, in the case of combos and extension cabinets, the weight of speakers comes into play too. By working closely with Celestion, the proprietary, lightweight, 70 Watt, 12" Zephyr speaker was born. The Zephyr accurately emulates the rich sound and performance of Celestion's iconic "Vintage 30" speaker at a fraction of the weight - and this has been achieved with a traditional ferrite magnet not a neodymium one.

Studio Ready

By deft control of the power valve supply voltages, the 2 Watt output setting allows you to overdrive the power amp at a significantly lower output volume without altering the sound and feel of the amp one iota. It also does so without running the amp "hot" like a "power soak" device would - a feature that obviously optimizes both valve life and reliability.

All four St. James amps boast Blackstar’s game-changing Cab Rig software and a built-in reactive load which together deliver unparalleled recording realism.

Cab Rig is a next-generation DSP speaker simulator system producing the tone and feel of a mic'd up guitar cabinet driven by a valve amp with remarkable accuracy. Cab Rig's advanced algorithms simulate a speaker, cabinet, microphone and room in incredibly high detail - with none of the unwanted latency and phase issues associated with some Impulse Responses. The free Cab Rig software enables you to mix, match and "tweak" an impressive library of cabinets, mics and rooms.

St. James amp boast three outputs (XLR, Stereo Line Out and USB) that route the valve power output signal into an internal reactive load which in turn drives Cab Rig. Furthermore, this can also be done when the amp is in Standby Mode - making it ideal for both recording and silent stages too.

To further enhance the versatility for both stage or studio, the SAG setting on the St. James Power Switch gives notes a very satisfying, dynamic power-amp compression, which is most noticeable when the strings are picked hard - another nod to those much sought-after vintage amps of yesteryear.

Uncompromising Sound

Hundreds of hours of critical listening against the most revered amplifier references mean Blackstar have raised the sonic benchmark again. When guitarists experience St. James for the first time they are simply blown away by the tone!

The St. James 6L6 has the same clean headroom as its EL34 counterpart, but is coupled with Blackstar's highest gain Overdrive circuit to date.

Channel I is inspired by those clean, dynamic American amps of the mid '60s. St. James brings these circuits right up-to-date, producing a whole new level of clean headroom and dynamic compression to deliver inspired musical-mids and tight-lows. This channel is a perfect "pedal platform".

Channel II of the 6L6 powered head and combo is an absolute gain machine. In standard mode, the amp has a gloriously British, “punch in the chest” roar. However, with the Voice switch activated, the saturation gets cranked "to 11" and the power-stage damping is reduced for a girthy, modern-sounding, high-gain, low-end chug.


  • Power: 50W
  • Valves: 2 x ECC83, 2 x 6L6
  • Channels: 2
  • Voice/Boost: Boost
  • EQ: Bass, Middle, Treble,
  • Power Reduction: 50W, Sag, 2W
  • Reverb: Y
  • Built-In Reactive Load: Y
  • Cab Rig DSP: Y
  • USB Audio: Y
  • XLR Cab Rig Output: Y
  • Series Effects Loop: Y (with level switch)
  • Footswitchable: Y (Included 2-way footswitch)
  • Speaker: 1x12" Celestion Zephyr
  • Tolex: Black
  • Fret: 'Silver Birch'
  • Voltage: 90V to 264V 50/60Hz
  • Weight (kg): 12.8
  • Dimensions (mm): 535 x 462 x 259

Manufacturer: Blackstar Amplification
Model: STJ506L6C
SKU: I649549-1-WHXE

We are Chuck Levin's Washington Music Center

Maryland, Virginia, and Washington DC's legendary music shop. Family-owned and operated since 1958. Buy gear the way it was meant to be bought, from a store that's been there through it all and has the vibe to prove it. We're staffed with musicians and industry experts, people that live and breathe music gear. Our mission is to help you find the right gear for your project, that thing that will bring you the most joy out of what you do. We're an authorized dealer for almost every brand, we stock items the other stores don't, so you can try before you buy. Stop by our Wheaton, MD showroom and see for yourself.

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