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Blackstar St. James 50W Amp Head with EL34 Tubes (Fawn) with Vertical Cabinet (Fawn) and Cables

  • mfr: STJ50EL34HK2
  • SKU: STJ50EL34HK2
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Product highlights

  • 50 Watt valve head
  • Custom designed lightweight Switched-Mode Power Supply (SMPS)
  • Lightweight ‘Candlenut’ cabinet
  • 2 x ECC83 (12AX7) preamp valves
  • 2 x EL34 power amp valves
  • Special design lightweight output transformer
  • Two foot-switchable preamp channels
  • CHI based on Fender ‘black-face’
  • CHII based on Vox AC-30 Top Boost
  • Footswitchable BOOST on CHII
  • Electronically independent 3-band EQ
  • 3 mode ‘POWER’ switch – 50 Watts, SAG, 2 Watts

Blackstar St. James 50W Amp Head with EL34 Tubes (Fawn) with Vertical Cabinet (Fawn) and Cables

Pig Hog - PH10R - 1/4" - 1/4" Right Angle 8mm Instrument Cable (10 ft., Black)

Pig Hog cables are precisely overbuilt to stand up to the most grueling tour conditions imaginable and are designed to provide the highest quality performance with outstanding value. Your cables need to sound great and perform reliably, night after night, without costing you an arm or a leg! The Pig Hog 1/4" - 1/4" Right Angle Instrument Cable has an extra-thick, yet supple 8mm jacket that resists kinking or tangling. The proprietary conductor technology and robust shielding is designed to ensure your sound is crystal clear, without noise or interference, every time. Each cable is hand tested before shipment, and we back up our quality with a lifetime warranty so you can be sure your Pig Hog Cables will be an integral part of your rig for years to come.

Blackstar St. James Vertical 212 Tube Cabinet - Fawn

Blackstar wanted to produce a range of heads and combos, that were the lightest available while still retaining the essential element found in traditional valve / tube amps. Lightweight amps with no trade-off in performance and tone are something guitarists have been requesting for ages making it the forefront during the design process of the new ST. James valve amps. Thus making them the lightest valve amps in the world.

Next, Blackstar wanted to be able to include everything within one box, to enable the output of authentic 'miked cabinet-of-a-hard-driven-valve-am-in-a-room ' sounds whether to be direct to stage box or recording device. They made this happen by using the full signal path of the amp (including power valves) to drive into a genuine reactive load, which is then passed through a proprietary state-of-the-art DSP section to provide almost limitless variations of cabinet/speaker/ microphone/room emulations.

The St. James Series In Detail

The St. James heads and combos are highly versatile amplifiers suited to a wide range of playing styles and situations.

Channel I, all models: The valve/tube gain structure and voicing of this channel have been inspired by classic American amplifiers of the mid-’60s (Fender ‘black-face’). It is very clean and bright but with a solid low-end and controlled mids. Also, on this channel, the valve/tube power stage is set to be tight and relatively clean, and linear across the frequency range. This is one of the most popular choices for a ‘pedal platform’ as it provides a solid clean foundation to apply effects to.

Front Panel Functionality

The front panel has a variety of functions at your disposal. With INPUT, when no jack is supplied to the amplifier, it will automatically be switched to a safe low power consumption, silent mode. VOLUME I controls the volume of Channel I and depending on the direction turned the preamplifier will overdrive slightly. When at lower tones, it will sound brighter. The CH. II Select switch selects between the two preamp channels as well as adjusts the response of the valve/tube power amp. GAIN II controls the gain of Channel II and the amount of overdrive or distortion. BOOST / VOICE switch selects between the two voices of Channel II. Other features on the front panel are VolumeI II, Bass, Middle, Treble, Reverb, 50W, SAG, 2W, MASTER, STBY switch, and POWER switch/

Rear Panel Summary 

Mains Input: Unusually for valve/tube amplifiers, the St. James products are designed with a ‘universal input power supply’. This means that the mains input range is rated at 100Vac to 240Vac and capable of operating at 50Hz and 60Hz.

Speaker Outputs: Unlike many other valve/tube amps, these have clever sensing and switching which means that they can be used without being connected to a speaker load. If the speaker lead is disconnected at the amplifier end, then it will automatically switch it to a safe, low power consumption mode.

CAB Rig emulated output: This output is for using an industry-standard 3 pin XLR cable for connection to a recording device, stage box or mixing desk. This provides a low noise, low impedance, and quality connection for recording or live use. 

Reliability

As with all Blackstar products the St. James amplifiers are designed for maximum reliability. All the amplifiers are thoroughly endurance tested on automatic test equipment to replicate many hours of real-life use in a few days of laboratory testing

Construction

PCBs

All PCBs used in the St. James amplifiers are double-sided plated-through type. These give increased mechanical strength as well as allow the PCB designer better options during layout to achieve the best possible signal integrity and sonic performance.

Valves, valve bases, biasing

All valves are specially tested and graded. In the combined decades of experience of the engineers at Blackstar we have seen all the ways valves can fail and have implemented special tests to remove as many offending valves during the selection process as possible. All amplifiers are very specifically biased to ensure the perfect balance of great tone, reliability and valve longevity.

Chassis

For mechanical strength all the chassis’ are fabricated from 1.2mm coated steel plate and also incorporate

Cab Rig

CAB RIG is Blackstar’s next-generation DSP speaker simulator and begets a fundamental shift in the accessibility of professional recording and performing. CAB RIG awards budding musicians the ability to access previously unattainable technology, that has long been reserved for professional sound engineers and producers. Leading edge advancements in speaker cabinet and microphone simulation will allow any player to achieve unparalleled quality in their live sound and recorded music

Blackstar St. James 50-Watt EL34 Tube Amp Head

Blackstar wanted to produce a range of heads and combos, that were the lightest available while still retaining the essential element found in traditional valve / tube amps. Lightweight amps with no trade-off in performance and tone are something guitarists have been requesting for ages making it the forefront during the design process of the new ST. James valve amps. Thus making them the lightest valve amps in the world.

Next, Blackstar wanted to be able to include everything within one box, to enable the output of authentic 'miked cabinet-of-a-hard-driven-valve-am-in-a-room ' sounds whether to be direct to stage box or recording device.

The St. James Series In Detail

The St. James heads and combos are highly versatile amplifiers suited to a wide range of playing styles and situations.

Channel I, all models

The valve/tube gain structure and voicing of this channel have been inspired by classic American amplifiers of the mid-’60s (Fender ‘black-face’). It is very clean and bright but with a solid low-end and controlled mids. Also, on this channel, the valve/tube power stage is set to be tight and relatively clean, and linear across the frequency range. This is one of the most popular choices for a ‘pedal platform’ as it provides a solid clean foundation to apply effects to.

Channel II for EL34 model

The EL34 models use a ‘classic’ valve/tube preamp topology for Channel II which is based on a much loved British ‘class A’ amplifier of the early ’60s (Vox AC-30 Top Boost). This is a low to medium gain preamp that can be used clean, warm, or mildly overdriven. Again, this is a very popular choice for a ‘pedal platform’ as well as for a great responsive crunch tone. When this channel is selected the valve/tube power stage is set as ‘open-loop’. This has a looser feel with a resonant bottom end and lively highs. The foot-switchable BOOST setting pushes the valve preamp harder with a +10dB clean boost, to take it from ‘chimey’ to ‘creamy’ and beyond.

Reliability

As with all Blackstar products the St. James amplifiers are designed for maximum reliability. All the amplifiers are thoroughly endurance tested on automatic test equipment to replicate many hours of real-life use in a few days of laboratory testing.

Cab Rig

CAB RIG is Blackstar’s next-generation DSP speaker simulator and begets a fundamental shift in the accessibility of professional recording and performing. CAB RIG awards budding musicians the ability to access previously unattainable technology, that has long been reserved for professional sound engineers and producers. Leading-edge advancements in the speaker cabinet and microphone simulation will allow any player to achieve unparalleled quality in their live sound and recorded music.

Specifications

Pig Hog - PH10R - 1/4" - 1/4" Right Angle 8mm Instrument Cable (10 ft., Black)

Main
Configuration Core
Cable Length 10 feet
Color Black

Blackstar St. James Vertical 212 Tube Cabinet - Fawn

Audio
Tone Adjustment No

Blackstar St. James Vertical 212 Tube Cabinet - Fawn

General
Configuration Core

Blackstar St. James 50-Watt EL34 Tube Amp Head

Audio
Tone Adjustment No

Blackstar St. James 50-Watt EL34 Tube Amp Head

General
Configuration Core

Questions

Customer Questions
No Questions

Returns

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 support@focuscamera.com 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 support@focuscamera.com, 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

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Blackstar St. James 50W Amp Head with EL34 Tubes (Fawn) with Vertical Cabinet (Fawn) and Cables SKU: STJ50EL34HK2

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