Jinyinlai 300B – TR: The Ultimate Revolution in Audio Technology
In the dazzling galaxy of audio equipment, the Jinyinlai 300B – TR shines like a brilliant new star, redefining the high-end audio experience with its unprecedented innovative design and exceptional performance.
Nano-Carbon Metal Anode – Patented Technology for Superior Performance
The Jinyinlai 300B – TR Vacuum Tube utilizes the company’s patented nano-carbon metal anode material, an innovative technology that endows the tube with outstanding performance. The nano-carbon metal anode offers excellent conductivity and stability, effectively reducing signal loss and distortion during transmission. This ensures every note is reproduced with precision, delivering the purest and most authentic sound.
Triple Mica Design – Assurance of Stability and High Quality
Its distinctive triple mica design is a standout feature. The three-layer mica structure works in unison, not only reinforcing the tube’s overall framework to resist external vibrations and interference, but also optimizing the environment for internal electron movement. This ensures stable operation under complex conditions, providing a robust foundation for high-quality audio output.
High Heat-Absorption Coating – Rapid Heat Dissipation for Stability
The high heat-absorption coating applied to the inner glass wall is another technical highlight of the Jinyinlai 300B – TR. This specialized coating boasts exceptional heat-absorption speed, quickly absorbing and dissipating the heat generated during operation to maintain the tube at an optimal working temperature. A stable temperature environment not only extends the tube’s lifespan but also ensures consistent and reliable audio output, delivering exceptional sound quality every time you listen.
Enlarged Anode Size – Unleashing Powerful Output
The Jinyinlai 300B – TR breaks new ground by increasing the anode size, laying a solid foundation for enhanced power output. A larger anode area means greater electron collection capacity, effortlessly handling high-load audio signals and unleashing more robust power. Whether driving large speakers or tackling complex audio scenarios, the Jinyinruilai 300B – TR performs with ease, delivering awe-inspiring sound effects that captivate your senses and provide an unrivaled auditory impact.
Choose Jinyinlai 300B – TR – Experience the Forefront of Audio Technology
Choosing the Jinyinlai 300B – TR means embracing the cutting edge of audio technology and the ultimate in sound quality enjoyment. Join us in the ocean of music and experience the boundless allure of innovative technology.
Jinyinlai 300B – TR Image Showcase





Jinyinlai 300B – TR Technical Specifications
Maximum Ratings
- Anode Voltage: 480V
- Anode Dissipation Power: 42W
- Cathode Current (Self-Bias): 100 mA
- Cathode Current (Fixed Bias): 70 mA
Interelectrode Capacitance
- Input Capacitance: 9 pF
- Output Capacitance: 4.3 pF
- Plate-to-Grid Capacitance: 15 pF
Static Parameters
- Ua: 300V
- -Ug: 60V
- Ia: 60 mA
- Gm: 5.5 mA/V
- Ri: 0.7 kΩ
- μ: 3.85
- Pout: 6.6W
Recommended Parameters
Ug (V) | Ua (V) | Uf (AC) (V) | Uf (DC) (V) | Ia (mA) |
---|---|---|---|---|
200 | 33 | 29.5 | – | 77 |
200 | 45 | 41.5 | – | 20 |
250 | 46 | 42.6 | – | 74 |
250 | 57 | 53.6 | – | 22 |
300 | 60 | 56.5 | – | 68 |
300 | 70 | 66.5 | – | 23 |
400 | 86 | 82.5 | – | 68 |
400 | 98 | 94.5 | – | 19 |
450 | 100 | 96.5 | – | 60 |
Typical Operating Parameters (Class A1 Amplifier)
Ua (V) | -Ug (V) | Ia (mA) | RL (Ω) | Pout (W) | 2nd (dB) |
---|---|---|---|---|---|
200 | 42 | 30 | 2000 | 3 | 20 |
200 | 39 | 40 | 2500 | 2.6 | 26 |
250 | 55 | 30 | 2000 | 4.9 | 18 |
250 | 52 | 40 | 3000 | 4.0 | 26 |
300 | 65 | 40 | 2500 | 6.7 | 20 |
400 | 89 | 50 | 4000 | 9.4 | 25 |
450 | 100 | 60 | 4000 | 12.5 | 26 |