הקדמה
The Nobsound TUBE-T4C Mini HiFi Tube Preamp is designed to enhance your audio experience by adding warmth and depth to your music. This Class A vacuum tube preamplifier features precise bass and treble controls, allowing you to fine-tune your sound to personal preferences. Its compact and durable design makes it suitable for various home audio and desktop setups. The device supports swappable tubes for sound customization and offers broad compatibility with standard RCA input and output connections.
Figure 1: Nobsound TUBE-T4C Mini HiFi Tube Preamp in a typical home audio setup, showcasing its compact size and glowing tubes.
וואָס איז אין די קעסטל
- 1x TUBE-T4C Preamp
- 2x 6J5 Tubes
- 1x DC 5V מאַכט אַדאַפּטער
- 1x באַניצער מאַנואַל
Figure 2: All items included in the Nobsound TUBE-T4C package: the preamp unit, two 6J5 tubes, a power adapter, and the user manual.
פּראָדוקט איבערview
פראָנט פּאַנעל קאָנטראָלס
- TRE (Treble Knob): אַדזשאַסץ הויך פריקוואַנסיז.
- BASS (Bass Knob): אַדזשאַסץ נידעריק פריקוואַנסיז.
- /VOL (Power Switch / Volume Knob): Turns the unit on/off and controls the overall volume.
דערציען פּאַנעל קאַנעקשאַנז
- DC 5V IN (>=2A): Power input for the DC 5V adapter.
- RCA IN (Right/Left): Standard stereo RCA input for audio sources.
- RCA OUT (Right/Left): Standard stereo RCA output to power ampליפיערס אָדער אַקטיוו ספּיקערז.
Figure 3: Detailed diagram of the Nobsound TUBE-T4C's front panel controls (Treble, Bass, Volume/Power) and rear panel connections (DC In, RCA In, RCA Out).
סעטאַפּ
- רער אינסטאַלאַציע: Carefully insert the two 6J5 tubes into their respective sockets on the top of the preamp. Ensure the pins align correctly and push gently until seated.
- פֿאַרבינדן אַודיאָ מקור: Connect your audio source (PC, phone, tablet, CD player, streamer) to the RCA IN ports on the rear panel of the TUBE-T4C using an RCA cable.
- פאַרבינדן צו Ampרעדנער/רעדנער: Connect the RCA OUT ports on the rear panel of the TUBE-T4C to your power amplifier or active (powered) speakers using an RCA cable.
- מאַכט קשר: Connect the DC 5V power adapter to the DC 5V IN port on the rear panel, then plug the adapter into a power outlet.
- מאַכט אויף: Long-press the Volume knob to turn on the unit. Allow the tubes to warm up for about 15 seconds for optimal performance.
Figure 4: Close-up of the rear panel showing the DC 5V power input and RCA input/output connections.
אַפּערייטינג ינסטראַקשאַנז
- באַנד קאָנטראָל: Rotate the Volume knob to adjust the audio output level.
- באַס אַדזשאַסטמאַנט: Use the BASS knob to increase or decrease low frequencies according to your preference.
- טרעבל אַדזשאַסטמאַנט: Use the TRE knob to increase or decrease high frequencies according to your preference.
Figure 5: The front panel of the TUBE-T4C, highlighting the Treble, Bass, and Volume controls for easy audio adjustment.
Tube Replacement/Customization
The TUBE-T4C features pluggable 7-pin tube sockets, allowing you to customize your sound signature by swapping out the default 6J5 tubes with compatible alternatives. Supported tubes include 6J1, 5654, 6AK5, EF95, and others. Ensure the unit is powered off and unplugged before attempting to replace tubes. Carefully pull out the existing tubes and gently insert the new ones, aligning the pins correctly.
פיגור 6: א נאנטע בילד view of the pluggable tube sockets, demonstrating how tubes can be easily swapped for sound customization.
טראָובלעשאָאָטינג
- קיין קול:
- Check if the power adapter is securely connected and the unit is powered on.
- Verify that audio input and output cables are correctly connected.
- Ensure the volume is not set to minimum on the TUBE-T4C or your connected ampליפיער / ספּיקערז.
- Confirm that the audio source is playing and its volume is adequate.
- פאַרקרימט סאָונד:
- Reduce the volume on the TUBE-T4C and/or your audio source.
- קוק פֿאַר פרייַ קאַבלע קאַנעקשאַנז.
- Ensure the tubes are properly seated in their sockets.
- Humming/Noise:
- Ensure all cables are properly shielded and away from power cables.
- פּרוּווט ניצן אַ אַנדערש מאַכט ווענטיל.
- Check for ground loop issues in your audio setup.
ספּעסאַפאַקיישאַנז
| פּונקט וואָג | 0.634 אונסעס |
| פּראָדוקט דימענשאַנז | 3.23 X 3.07 X 1.26 אינטשעס |
| נומער מאָדעל נומער | XZ-TUBE-T4C |
| קאַמפּאַטאַבאַל דעוויסעס | Active Speaker, Amplifier, CD Player, PC, Phone |
| קאַנעקטער טיפּ | RCA |
| מאַטעריאַל טיפּ | מעטאַל |
| מאַכט מקור | קאָרדעד עלעקטריק |
| קאָליר | שוואַרץ |
מעדיע רעסאָורסעס
פּראָדוקט דעמאַנסטריישאַנז
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וואָראַנטי און שטיצן
For warranty information and technical support, please refer to the contact details provided in the included user manual or visit the Nobsound official webפּלאַץ. האַלטן דיין קויפן קאַבאָלע פֿאַר וואָראַנטי קליימז.
