The sound characteristics of Telefunken tubes are as follows:

1. Warm and soft sound: The sound of Telefunken tubes has a certain thickness and charm, and is warm and soft. characteristics, suitable for jazz, pop and other music styles.

2. Good mid-low frequency performance: Telefunken tubes have good mid-low frequency performance, good sound reproduction and layering, and are suitable for expressing audio signals such as human voices and musical instruments.

3. Clear and rich sound: Telefunken tubes have clear and rich sound, good musical expression and listening experience, and can bring better music experience to music lovers.

4. Lower noise: Telefunken tubes have lower noise, less interference with audio signals, and can provide purer sound quality. Telefunken is a joint venture between Siemens AG and General Electric Company. Telefunken Co., Ltd. was established in 1955.