Blackstar St. James 50 EL34 Guitar Combo Amplifier (50 Watts, 1x12")

Make your sound cook with the distinctly British sound of EL34 tubes. This lightweight combo features a single custom-designed Celestion Zephyr speaker.

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. The EL34 design offers a wide range of classic guitar tones, simple to use but highly versatile. Developed after months of forensic examination of vintage valve amps, the intuitive two channel set-up delivers some of Blackstar's best ever cleans and overdrives.

Check out our livestream of the Blackstar St. James Amps:

An inductive load is built into each St. James amp, this allows you to run the valves flat out without having a speaker connected. Plus Cab Rig, the next-generation DSP speaker simulator to capture incredible tones via USB / XLR D.I. out or headphones. The Power Reduction switch allows you to select 50 Watts, 2 Watts or Sag to easily get the perfect balance of power and response for any situation from studio to stage. The unique Celestion Zephyr lightweight ferrite speaker, candlenut plywood cabinet and universal power supply all go together to create the lightest 50 Watt valve amp in the world and deliver amazing tones without compromise.


- Ultra-lightweight 50 Watt combo
- 2 x ECC83, 2 x EL34
- Two footswitchable channels and footswitchable channel II boost
- 50W / 2W / Sag power reduction
- Studio quality digital reverb and effects loop
- USB audio output with Cab Rig advanced DSP cabinet simulator
- Exclusive 1x12" Celestion G12Z-70 'Zephyr' read more 8 Ohm custom-designed, lightweight speaker
- Footswitch included
WARNING: Cancer and Reproductive Harm -
read less

Dimensions and Weight in Packaging
Base Item
Shipping Weight: 38 lbs
Shipping Dimensions: 25 x 21 x 14 in
Manufacturer Part Number (MPN): STJ50EL34C
Shipping Weight: 38 lbs
Shipping Dimensions: 25 x 21 x 14 in
Manufacturer Part Number (MPN): STJ50EL34C

For support or warranty questions, please contact the manufacturer:
Phone: 631-390-8737


  • 18 x  
  • 12 x  
    $120.83 with zZounds
  • 8 x  
    $181.25 with zZounds
FREE -Day Shipping!
Get it  for
Get it by if you order within
Shipping to