1. הקדמה
א דאנק פארן קויפןasing the Blackstar St. James 50 EL34 Combo Ampליפיער. דאס amplifier is designed to deliver exceptional tube tone in a lightweight and portable package. It features two footswitchable channels, EL34 power tubes, a 1x12 inch Celestion Zephyr speaker, and Blackstar's Cab Rig DSP technology for direct recording and XLR output. This manual provides essential information for safe and optimal use of your ampליפער.
2. זיכערקייַט אינסטרוקציעס
- לייענען אינסטרוקציעס: Always read and understand all safety and operating instructions before using this product.
- האַלטן אינסטרוקציעס: האַלטן די ינסטראַקשאַנז פֿאַר צוקונפֿט רעפֿערענץ.
- היט וואָרנינגז: נאָכגיין אַלע וואָרנינגז אויף דעם פּראָדוקט און אין די אַפּערייטינג ינסטראַקשאַנז.
- וואַסער און נעץ: Do not use this apparatus near water. Avoid exposure to rain or moisture.
- ווענטילאַטיאָן: זיכער מאַכן אַז עס איז דאָ געהעריקע ווענטילאַציע. נישט פֿאַרשטאָפּן קיין ווענטילאַציע עפענונגען.
- היץ: נישט שטעלן לעבן היץ קוועלער ווי ראַדיאַטאָרן, היץ רעגיסטערס, אויוון, אדער אנדערע אַפּאַראַטן (אַרייַנגערעכנט ampליפיערס) וואָס פּראָדוצירן היץ.
- מאַכט שנור שוץ: באַשיצן די מאַכט שנור פון גיין אויף אָדער פּינטשעד.
- רייניקונג: ריין בלויז מיט אַ טרוקן שטאָף.
- סערוויס: אָפּשיקן אַלע סערוויסעס צו קוואַלאַפייד סערוויס פּערסאַנעל. סערוויס איז פארלאנגט ווען דער אַפּאַראַט איז דאַמידזשד אין קיין וועג, אַזאַ ווי מאַכט צושטעלן שנור אָדער צאַפּן איז דאַמידזשד, פליסיק איז ספּילד אָדער אַבדזשעקץ זענען געפאלן אין די אַפּאַראַט, דער אַפּאַראַט איז יקספּאָוזד צו רעגן אָדער נעץ, אַרבעט נישט נאָרמאַלי , אָדער האט שוין דראַפּט.
- הויך חלקtage: רער amplifiers operate at high voltages. Do not attempt to open the chassis or service the unit yourself.
3. סעטאַפּ
3.1 אַנפּאַקינג
קערפאַלי אַראָפּנעמען די amplifier from its packaging. Inspect for any signs of damage during transit. Retain the packaging for future transport or storage.
3.2 מאַכט קאַנעקשאַן
- פאַרזיכערן די amplifier's power switch is in the 'OFF' position.
- Connect the supplied IEC mains power cable to the MAINS INPUT on the rear panel of the ampליפער.
- Plug the other end of the power cable into a suitable grounded mains outlet.
3.3 Guitar Connection
Connect your guitar to the INPUT jack on the front panel using a high-quality instrument cable.
3.4 פֿוסשוויטש פֿאַרבינדונג
Connect the supplied footswitch to the FOOTSWITCH jack on the rear panel. This allows remote switching between channels and activating the Channel II Boost.
3.5 Cab Rig Output Connection
The Cab Rig output provides advanced DSP cabinet simulation for direct recording or connection to a PA system.
- וסב אַודיאָ: Connect a USB cable from the USB port on the rear panel to your computer for direct recording and access to the Cab Rig software.
- XLR D.I.: Use an XLR cable to connect the XLR D.I. output to a mixing console or audio interface.
- שורה אָוט: Use a 1/4" jack cable to connect the LINE OUT to other line-level devices.
3.6 Effects Loop Connection
The effects loop allows integration of external effects pedals. Connect the SEND jack to the input of your effects unit and the RETURN jack from the output of your effects unit. Adjust the EFFECTS LOOP LEVEL switch for optimal signal matching.
4. קאָנטראָלס און פאַנגקשאַנז
4.1 פראָנט פּאַנעל קאָנטראָלס

דאָס בילד ווײַזט די אויבערשטע view of the Blackstar St. James 50 EL34 Combo Amplifier, highlighting the front panel controls. From left to right, you can see the Power and Standby switches, Master volume, Reverb knob, a three-band EQ (Treble, Middle, Bass), Volume II, Gain II, Channel II Boost switch, Volume I, Gain I, and the Input jack. The Power Reduction switch (50W/2W/SAG) is also visible.
- איינגאבע: פאַרבינדן דיין גיטאַרע דאָ.
- CHANNEL I (Clean):
- GAIN I: Controls the input gain for Channel I.
- VOLUME I: Controls the overall output volume for Channel I.
- CHANNEL II (Overdrive):
- GAIN II: Controls the input gain for Channel II.
- VOLUME II: Controls the overall output volume for Channel II.
- CH. II BOOST: Activates a boost for Channel II, increasing gain and volume. Can be activated via footswitch.
- EQ (BASS, MIDDLE, TREBLE): Three-band equalizer to shape the ampליפֿערס טאָן.
- ריווערב: Controls the level of the built-in digital reverb effect.
- בעל: קאָנטראָלס די קוילעלדיק רעזולטאַט באַנד פון די ampליפער.
- POWER REDUCTION (50W/2W/SAG): סעלעקץ די amplifier's output power (50W, 2W) or activates the 'SAG' mode for a more vintage, compressed feel.
- סטאַנדביי: באַטייליקט זיך אָדער אָפּטיילט זיך פֿון amplifier's standby mode. Always use when powering on/off.
- מאַכט: Main power switch for the ampליפער.
4.2 דערציען פּאַנעל קאַנעקשאַנז

This image shows the rear panel of the Blackstar St. James 50 EL34 Combo Amplifier. Visible connections include the MAINS INPUT, FUSE, SPEAKER OUTPUTS (1x16 Ohm, 1x8 Ohm, 2x16 Ohm), EFFECTS LOOP (SEND, RETURN, LEVEL switch), CAB RIG OUTPUTS (USB, XLR D.I., LINE OUT), and FOOTSWITCH input.
- הויפּט אַרייַנשרייַב: IEC power inlet for the mains cable.
- קאָריק: Mains fuse holder. Replace only with the specified type and rating.
- רעדנער אַוטפּוץ: Connect external speaker cabinets here. Ensure correct impedance matching (1x16 Ohm, 1x8 Ohm, 2x16 Ohm).
- EFFECTS LOOP (SEND, RETURN, LEVEL): For connecting external effects pedals. The LEVEL switch adjusts the loop's sensitivity.
- CAB RIG OUTPUTS (USB, XLR D.I., LINE OUT): Outputs with integrated cabinet simulation.
- FOOTSWITCH: Connect the supplied footswitch for remote control of channels and boost.
5. אַפּערייטינג ינסטרוקטיאָנס
5.1 מאַכט אויף און אַוועק
- Ensure all volume controls are set to minimum.
- Flip the POWER switch to 'ON'. The power indicator will illuminate.
- Wait approximately 30-60 seconds for the tubes to warm up, then flip the STANDBY switch to 'ON'.
- To power off, flip the STANDBY switch to 'OFF', then the POWER switch to 'OFF'.
5.2 קאַנאַל סוויטשינג
Use the front panel channel switch or the footswitch to toggle between Channel I (Clean) and Channel II (Overdrive). The CH. II BOOST can be engaged for additional gain on Channel II.
5.3 טאָן שאַפּינג
Adjust the BASS, MIDDLE, and TREBLE controls to sculpt your desired tone. The REVERB knob adds a studio-quality digital reverb effect.
5.4 מאַכט רעדוקציע
The POWER REDUCTION switch allows you to select between 50W and 2W output, or engage the 'SAG' mode. The 2W setting is ideal for lower volume playing, while 'SAG' mode provides a more dynamic and compressed tube response.
5.5 Cab Rig Functionality
The Cab Rig DSP offers advanced cabinet simulation. Connect via USB to your computer and use the dedicated Blackstar software to customize cabinet, microphone, and room simulations. This allows for versatile direct recording and live sound options without needing a physical speaker cabinet.
6. וישאַלט
6.1 רייניקונג
ריין די amplifier's exterior with a dry, soft cloth. Do not use abrasive cleaners or solvents. Ensure no liquids enter the ampליפיער שאַסי.
6.2 Tube Replacement
The St. James 50 EL34 Combo uses vacuum tubes which have a finite lifespan. If you notice a decrease in performance, unusual noise, or loss of volume, tubes may need replacement. Tube replacement should only be performed by qualified service personnel due to high internal voltages. Refer to the specifications for tube types.
6.3 סטאָרידזש
קראָם די amplifier in a dry, temperature-controlled environment, away from direct sunlight and extreme temperatures. If storing for extended periods, cover the amplifier to protect it from dust.
7. טראָובלעשאָאָטינג
- קיין קול:
- Check power connections and ensure the POWER and STANDBY switches are 'ON'.
- Verify guitar and speaker cables are securely connected.
- Ensure all volume controls (Gain, Volume, Master) are not at minimum.
- Check the fuse on the rear panel. Replace if blown with the correct type.
- Poor Tone/Weak Sound:
- אַדזשאַסטירן EQ סעטטינגס.
- קוק נאָך דעפעקטיווע קייבלס.
- Ensure correct speaker impedance matching if using an external cabinet.
- Tubes may be worn out. Consult a qualified technician for tube testing/replacement.
- Excessive Hum/Noise:
- Ensure proper grounding of the power outlet.
- פּרוּווט אַ אַנדערש מאַכט ווענטיל.
- מאַך די ampהאַלט אַוועק פון אַנדערע עלעקטראָנישע דעוויסעס וואָס קענען פאַרשאַפן שטערונג.
- Check for faulty tubes or internal components.
If problems persist, contact Blackstar customer support or a qualified service technician.
8. ספּעסאַפאַקיישאַנז

This image shows the Blackstar St. James 50 EL34 Combo Amplifier from the front, highlighting its fawn Tolex covering and black grille cloth. The Blackstar logo is visible above the grille.
| שטריך | דעטאַל |
|---|---|
| מאָדעל נומער | STJ50EL34C |
| רעזולטאַט וואָסtage | 50 Watts (switchable to 2 Watts) |
| מאַכט טובז | EL34 |
| רעדנער | 1 x 12-inch Celestion Zephyr |
| טשאַנאַלז | 2 (Clean, Overdrive with Boost) |
| ריווערב | Studio-quality Digital Reverb |
| עפפעקץ לופּ | Yes, with Level Control |
| קאַב ריג רעזולטאַט | USB Audio, XLR D.I., Line Out |
| פּראָדוקט דימענשאַנז | 24.47 X 20.9 X 13.97 אינטשעס |
| פּונקט וואָג | 1 pounds (Note: This weight seems incorrect for a tube combo amp and should be verified with manufacturer specifications) |
| קאָליר | פאַן |
9. וואָראַנטי און שטיצן
For warranty information and technical support, please refer to the official Blackstar Ampליפיקאַטיאָן website or contact your authorized Blackstar dealer. Keep your proof of purchase for warranty claims.






