xDuoo MT-604 Balanced Tube Amplifier Headphone amp - Four 6J1 Tubes for pre-amp, Transistor for Class-A Amplifier

MT-604 is a small balanced tube headphone amplifier. It adopts four 6J1 tubes for pre-amp with warm timbre, the post-amp is adopted high quality transistors for class A buffer, which can easily drive various low-impedance headphones and greatly enhance the sound field dynamics. The coupling capacitance applies Japanese Nichicon for high-end audio creating clear, sweet sound. The combination of the tubes and transistor bring up the sweet note of the former and the sense of speed of the latter, fully integrating the advantages and charms of both. Science knowledgeAbout tube transistor hybrid amplifier: Tube, has its unique sound, the sound is sweet and soft, warm and durable, the music feels good, and the atmosphere is good; its shortcomings are the transient response to high frequency, the resolution is not as good as the transistor amplifier, listening to some symphony and other songs Especially obvious. Transistor, the advantages of transistor power amplifier are large dynamics, fast speed, high resolution and strong driving force, which is especially suitable for the performance of more dynamic music; its shortcomings are low frequency. The sound is not soft enough, and the high frequency sounds are sharp and dry. Therefore, the pre-amp used tube and post-amp used transistor, combining the advantages of these two power amplifier circuits to achieve the ideal musical effect, you can devote yourself to the joyful atmosphere of music. Product FeaturesAdopt four 6JI tubes for pre-amp, making voice sweet and exquisite. Adopt transistors for class A buffer, so it can easily drive any kind earphones with strong load capacity. Use ELNA capacitors specially designed for audio as coupling capacitors.

Adopt Nichicon capacitor specially designed for audio as the filter capacitor. It built-in mute circuit when turn on amplifier to avoid POP noise and make sure the tube is worked at its best condition. Use aluminum-shielded case to prevent external interference noiseParametersPower
Supply: DC12V/2AOutput
Power: 2000mW(1KHz, 32load)Dynamic
Range: 85dBA (32ohm)
Frequency Response: 10Hz~60KHz ( 0.5 dB)Suitable
Headphone Impedance:
16~600THD+N: 0.01 % (1KHz, 32Ioad)S/N:
115dBGain:
+15dBSize:
17*10*6cmWeight: 0.55 kgPackage ListMT-604AC CableAdapterUser's ManualWarranty Card