Introduzzjoni
The Blackstar St. James 50-Watt 6L6 Tube Guitar Amplifier Head is a lightweight, two-channel all-tube amplifier designed for guitarists seeking versatile tones and portability. This amplifier head features a candlenut plywood construction, making it up to 47% lighter than traditional 50W amplifiers. It offers a wide range of tones from clean to vintage crunch, accessible via footswitchable channels and voicing selectors. Advanced features include cabinet simulation (Cab Rig), power reduction options, and multiple output connectivity including balanced XLR, line out/headphones, and USB for direct recording.
This manual provides essential information for the safe and effective use of your St. James amplifier head. Please read it thoroughly before operation.

Immaġni: Quddiem view of the Blackstar St. James 50-Watt 6L6 Tube Guitar Amplifier Head, showcasing its control panel and branding.
Istruzzjonijiet tas-Sigurtà
- Dejjem qabbad il- amplifier to a properly grounded power outlet.
- Ensure the correct speaker impedance is matched when connecting to a speaker cabinet. Refer to the 'Speaker Output' section for details.
- Tesponix il- amplifier għax-xita jew l-umdità.
- Tneħħix il amplifier chassis cover. There are no user-serviceable parts inside, and dangerous high voltages are present. Refer all servicing to qualified personnel.
- Tiżgura ventilazzjoni adegwata madwar il- amplifier biex jipprevjeni sħana żejda.
- Disconnect the power cord before cleaning or moving the ampaktar ħaj.
Setup
1. Żpakkjar u Tqegħid
- Neħħi bil-galbu amplifier head from its packaging.
- Poġġi l- amplifier on a stable, level surface, ensuring proper ventilation. Avoid placing it near heat sources or in direct sunlight.
2. Connecting the Speaker Cabinet
The St. James 50-Watt 6L6 Head requires an external speaker cabinet. Connect a speaker cable (not an instrument cable) from one of the 'SPEAKER OUTPUTS' on the rear panel to your speaker cabinet. Ensure the impedance of your cabinet matches the selected output (8 Ohm or 16 Ohm).

Image: Rear panel of the Blackstar St. James 50-Watt 6L6 Tube Guitar Amplifier Head, showing various input/output jacks and power connection.
3. Qabbad il-Kitarra Tiegħek
Plug your guitar into the 'INPUT' jack on the front panel using a standard instrument cable.
4. Connecting the Footswitch (Optional)
Connect the supplied footswitch to the 'FOOTSWITCH' jack on the rear panel for remote control of channel switching and voicing.
5. Konnessjoni tal-Enerġija
Connect the supplied mains power cable to the 'MAINS INPUT' on the rear panel and then to a suitable grounded power outlet.
Istruzzjonijiet Operattivi
1. Tixgħel
- Ensure all connections are secure and volume controls are set to a low level.
- Flip the 'POWER' switch to the ON position. The power indicator light will illuminate.
- Wait approximately 30-60 seconds for the tubes to warm up, then flip the 'STBY' (Standby) switch to the ON position. The amplifier issa huwa lest għall-użu.
2. Channel Selection and Voicing
Il-San Ġakbu amplifier features two channels, each with two voicings:
- Channel I (Clean): Controls 'VOLUME I'. Use the 'CH. I VOICE' switch to select between two distinct clean voicings.
- Channel II (Overdrive): Controls 'GAIN II' and 'VOLUME II'. Use the 'CH. II VOICE' switch to select between two distinct overdrive voicings, ranging from classic crunch to modern high-gain.
- Switch between Channel I and Channel II using the 'CH. SELECT' button on the front panel or the footswitch.
3. Kontrolli tat-Ton
Adjust your tone using the following controls:
- BASS: Jaġġusta r-rispons ta' frekwenza baxxa.
- NOFSANI: Jaġġusta r-rispons tal-frekwenza medja.
- TREBLE: Jaġġusta r-rispons ta' frekwenza għolja.
- FORMA: Provides further tonal shaping, often affecting the mid-range character.
4. Reverb
The 'REVERB' control adjusts the amount of built-in digital reverb effect, adding spatial depth to your sound.
5. Volum Master
The 'MASTER' control adjusts the overall output volume of the ampaktar ħaj.
6. Power Reduction
The 'POWER' switch allows you to select different wattage settings for varying output levels and tonal characteristics:
- 50W: Full power output.
- SAG: Introduces power amp sag for a more vintage, compressed feel.
- 2W: Reduces output power for lower volume practice or recording while retaining tube tone.
7. Loop tal-Effetti
The 'EFFECTS LOOP' (SEND and RETURN jacks on the rear panel) allows you to connect external effects pedals between the preamp u l-poter amp sezzjonijiet tal - amplifier. Connect the 'SEND' to the input of your effect and the output of your effect to the 'RETURN'.
8. Cab Rig (Cabinet Simulation)
The 'CAB RIG OUTPUT' provides advanced cabinet simulation for direct recording or connection to a PA system. It offers three different simulated cabinet options. This output can be used via balanced XLR or line out/headphones. The 'USB AUDIO' port also provides a direct connection to a computer for recording with Cab Rig simulation.
Manutenzjoni
1. Tindif
Naddaf il- amplifier's exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents. For stubborn dirt, a slightly damp cloth can be used, followed by a dry cloth. Ensure no liquids enter the ampaktar ħaj.
2. Tube Replacement
Il-San Ġakbu amplifier uses 6L6 power tubes and ECC83 preamp tubes. Tubes have a finite lifespan and will eventually need replacement. If you notice a decrease in performance, loss of tone, or unusual noise, the tubes may need to be replaced. Tube replacement should be performed by a qualified technician due to high internal voltages.
3. Ventilazzjoni
Il- amplifier is equipped with a cooling fan to maintain optimal operating temperatures. Ensure that the rear ventilation grille is not obstructed. Regular checks for dust buildup on the fan and grille are recommended. Clean gently with a soft brush or vacuum if necessary.
4. Ħażna
Meta ma tkunx qed tużaha għal perjodi twal, aħżenha amplifier in a dry, temperature-controlled environment, away from extreme temperatures and humidity.
Issolvi l-problemi
If you encounter issues with your St. James amplifer, irreferi għall-passi komuni li ġejjin għas-soluzzjoni tal-problemi:
- Ebda Ħsejjes:
- Iċċekkja l-konnessjonijiet tal-kejbil kollha (kitarra, speaker, enerġija).
- Ensure the 'POWER' and 'STBY' switches are both in the ON position.
- Verify that all volume controls (guitar, amplifier channels, master) are turned up.
- Test with a different guitar and cables to rule out external equipment issues.
- Check the speaker cabinet connection and impedance.
- Poor Tone or Weak Output:
- Adjust tone controls (Bass, Middle, Treble, Shape) to desired settings.
- Ensure the 'POWER' reduction switch is not set to a very low wattage if you desire full output.
- Tubes may be worn out. Consult a qualified technician for tube testing and replacement.
- Ħum jew Storbju Eċċessiv:
- Tiżgura l- amplifier is connected to a grounded power outlet.
- Try a different power outlet or circuit.
- Check for faulty cables or interference from other electronic devices.
- Worn tubes can sometimes cause excessive noise.
- Is-Swiċċ tas-Saqajk Mhux Jaħdem:
- Ensure the footswitch cable is securely connected to the 'FOOTSWITCH' jack.
- Inspect the footswitch cable for damage.
If the problem persists after attempting these steps, please contact Blackstar customer support or a qualified service technician.
Speċifikazzjonijiet
| Brand | Blackstar |
| Numru tal-Mudell | BLA-STJ506L6H |
| Output Wattage | 50 Watts |
| Tip ta' Tubu | 6L6 (Power), ECC83 (Preamp) |
| Kanali | 2 Channels, 2 Voicings Per Channel |
| Tnaqqis tal-Qawwa | Yes (to 2W, with SAG option) |
| Reverb | Iva |
| Riżultat Emulat tal-Kelliem | Yes (Cab Rig, XLR, Line Out/Headphones) |
| Reġistrazzjoni USB | Iva |
| Ċirku tal-Effetti | Iva |
| Piż tal-oġġett | 21 liri (9.5 kg) |
| Dimensjonijiet tal-Prodott | 9.8"D x 16.16"W x 17.36"Għ (24.9cm D x 41.05cm W x 44.1cmGħ) |
| Sors tal-Enerġija | Corded Elettriku |
| Apparati Kompatibbli | Kitarra |

Image: Blackstar St. James 50-Watt 6L6 Tube Guitar Amplifier Head with indicated dimensions (17.36"W x 16.16"H x 9.8"D).
Garanzija u Appoġġ
Informazzjoni dwar Garanzija
Blackstar Amplification products are covered by a manufacturer's warranty against defects in materials and workmanship. The specific terms and duration of the warranty may vary by region and product. Please retain your proof of purchase for warranty claims.
Appoġġ għall-Klijent
For technical assistance, service, or warranty inquiries, please contact Blackstar Amplification customer support through their official website or your authorized dealer. Provide your product model number (BLA-STJ506L6H) and serial number when contacting support.





