Jinyinrui WE9400B: A Radiant Gem in the Audio World
In the vast realm of audio, the Jinyinrui WE9400B shines like a dazzling gem, radiating unparalleled allure. It is a global masterpiece, uniquely designed by a master with 40 years of profound expertise in vacuum tube technology. These 40 years represent not just a span of time, but the culmination of countless experiments, refinements, and bursts of inspiration. The master has infused their deep understanding of audio and relentless pursuit of perfect sound quality into every curve and component of the WE9400B, endowing it with soul and vitality.
The Perfect Fusion of Classic and Modern
The Jinyinrui WE9400B stands as the world’s only audio treasure capable of rivaling the iconic Western Electric 300B from the last century. It captures the essence of the classic while transcending time and space with the aid of modern technology. When music flows through the WE9400B, its rich, warm, and deeply emotive tone instantly transports you back to the golden era of music filled with stories, while delivering clearer, more refined sound that showcases the seamless blend of modern innovation and timeless audio quality.
Patented Technology and Exquisite Craftsmanship
With patented materials, innovative design, and exquisite craftsmanship, the company has endowed the WE9400B with unmatched excellence. The patented materials ensure pure and authentic sound, the unique design optimizes audio transmission and output, and the meticulous craftsmanship guarantees stability and durability. These elements work in harmony to create a pinnacle achievement in the audio domain.
Customer Acclaim: A Work of Art in Audio
Numerous customers have showered the Jinyinrui WE9400B with glowing praise, hailing it as “a work of art in the audio world” and declaring, “Once you own it, you can’t let it go.” From music enthusiasts to professional audiophiles, all have been captivated by its charm. Whether listening to the graceful melodies of classical music or the pulsating rhythms of pop, the WE9400B reproduces every note with precision, immersing listeners in a sea of sound and delivering an unparalleled auditory experience.
Choosing the Jinyinrui WE9400B is choosing an unwavering pursuit of quality, a passion for music, and a respect for its essence. It will guide you into an unprecedented audio world, embarking you on a soul-stirring musical journey.
Product Image Showcase
Technical Specifications
Maximum Ratings
- Anode Voltage: 480V
- Anode Dissipation Power: 40W
- Cathode Current (Self-Bias): 100 mA
- Cathode Current (Fixed Bias): 70 mA
- Interelectrode Capacitance:
- Input Capacitance: 9PF
- Output Capacitance: 4.3PF
- Plate-to-Grid Capacitance: 15PF
Static Parameters
- Ua: 300V
- -Ug: 60V
- Ia: 60mA
- Gm: 5.5mA/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 (Audio Amplifier Class A1 Amplification)
| 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 |
| 250 | 50 | 50 | 2500 | 4.4 | 26 |
| 250 | 48 | 60 | 2000 | 4.7 | 30 |
| 300 | 65 | 40 | 2500 | 6.7 | 20 |
| 300 | 63 | 50 | 2000 | 7.2 | 21 |
| 350 | 74 | 60 | 3000 | 8.3 | 26 |
| 400 | 89 | 50 | 4000 | 9.4 | 25 |
| 450 | 100 | 60 | 4000 | 12.5 | 26 |