Skip to Content

Blackstar St. James 6L6 50-Watt 2 x 12 Combo Guitar Amplifier with Master Volume (Refurbished)

  • mfr: STJ506L6212(R)
  • SKU: STJ506L6212-R
In Stock
Certified Refurbished

Available options:

  • Free standard shipping

    *Orders placed before 3 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

  • Free Local Pickup

    Please call for store stock availability.

    Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Additional options:

Product highlights

  • Ultra-lightweight 50 Watt 2 x 12 combo
  • 2 x ECC83, 2 x 6L6 with 2- footswitchable channels
  • Footswitchable Channel II voice (OD 1 and OD 2)
  • 50W, 2W, sag power reduction
  • Master volume and digital reverb
  • Effects loop with effects level switch
  • USB audio output and XLR D.I. output
  • Cab Rig advanced DSP cabinet simulator
  • Exclusive 2 x 12-inch Celestion G12Z-70 ‘Zephyr’
  • 2 x 8 Ohm custom-designed, lightweight speakers

Recommended accessories

Navigating through the elements of the carousel is possible using the tab key. You can skip the carousel or go straight to carousel navigation using the skip links.

Free standard shipping included


Free standard shipping included


Free standard shipping included

Blackstar St. James 6L6 50-Watt 2 x 12 Combo Guitar Amplifier with Master Volume (Refurbished)

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 St. James Series 50 Watt Valve Guitar Amplifier on earth. This is a certified refurbished product backed by a 90-day warranty.
Uncompromising Sound
Hundreds of hours of critical listening against the most revered amplifier references mean St. James raises the sonic benchmark again. In addition to the obvious tonal differences between EL34 and 6L6 power valves, both of the St. James designs are honed to their particular use case. The St. James EL34 is the amp for Classic tones combining world-class British Crunch and jaw-dropping, very US-sounding Cleans. The 6L6 version has the same clean headroom, but this is coupled with Blackstar’s highest gain Overdrive circuit to date.
Studio Ready
St. James amps are packed with cutting-edge features to deliver class-leading recording performance. From 50W, 2W, and SAG switchable power modes, to an inbuilt reactive load that routes the post-power valve output signal to the amp’s three direct recording outputs (XLR, Stereo Line-Out, and USB) for a truly authentic ‘amp-in-a-room - feel. The sound from these recording outputs is derived from Blackstar’s state-of-the-art and fully customizable CabRig DSP speaker simulator.
The Story
Blackstar had two main goals in designing the St. James amps. To create the world's lightest valve amps whilst retaining all the elements of a traditional design with no compromise in tone or performance. And, to include everything within one box to enable the output of authentic 'mic'd cabinet-of-a-hard-driven-valve-amp-in-a-room' sounds, direct to the stage box or recording device.
What Do They Sound Like
After months of forensic examination of the most revered vintage valve amps in the world, St. James takes these tones to the next level. Aside from the obvious power valve choices, the EL34 and 6L6 models each have their distinct tonal characteristics that appeal to different players.
Reactive Load
Inbuilt reactive load and pro connections make St. James perfect for silent stages and recording. The reactive load mimics the electrical response of a typical loudspeaker to deliver the authentic valve power-amp tones possible in the studio or at home. No need for expensive additional outboard equipment.
CabRig overcomes the shortcomings of IR 'snapshots' by using state-of-the-art digital processing to reproduce the sound and feel of a mic 'd-up guitar cab in incredible detail. Over 250 mic and cab combinations can be saved into one of the three onboard slots. Each cab has a choice of mic type and axis, alongside room mics and master EQ. Connect to the free Architect software for more deep-dive options.
Pro Connectivity
With more musicians recording at home, or playing on silent stages, St. James is perfect for the way Blackstar plays today, with USB audio connectivity for pro-recording and an XLR D.I. for professional live use, both using the inbuilt reactive load and CabRig DSP speaker simulation.
Revolutionary Speaker
Blackstar worked closely with Celestion to develop the unique Zephyr lightweight ferrite speaker. The Zephyr accurately emulates the rich sound and performance of Celestion’s iconic 'Vintage 30' speaker at a fraction of the weight - and this is achieved with a traditional ferrite magnet, not a neodymium one.
Lightweight with No Compromise
Candlenut plywood is used for strength and lightness and its beneficial acoustic proprieties, creating a roadworthy cabinet that sounds great and won’t let you down.
Universal Voltage
The St. James range uses highly efficient, lightweight power transformers designed around modern SMPS (Switched-Mode Power Supply) technology. More than 3 years of intense R and 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. The resulting revolutionary transformer technology is patent pending.


Configuration Core
Mic Input 1-Pin XLR
AC Input Power 90V to 264V 50/60Hz


Customer Questions
No Questions


Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges. 
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact [email protected] with your order number and a description of the damage. 
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at [email protected], or send us a message here.  
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead. 
If you ordered a kit, you must return all components and accessories to receive a full refund. 
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund. 
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900. 
Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

Shipping and Returns

Same Day Shipping

All orders placed by 4PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

Free Two-Day Shipping

We offer free expedited shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).

Flexible, Easy Returns

If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.

Ratings and reviews

Akeneo image STJ506L6212_R_1

Blackstar St. James 6L6 50-Watt 2 x 12 Combo Guitar Amplifier with Master Volume (Refurbished) SKU: STJ506L6212-R

  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getReviews, 2.67ms
  • bvseo-msg: HTTP status code of 404 was returned; HTTP status code of 404 was returned;

Customers also viewed

Navigating through the elements of the carousel is possible using the tab key. You can skip the carousel or go straight to carousel navigation using the skip links.

Free standard shipping included


Free standard shipping included