Douk Audio T8PRO 2-Channel Tube Equalizer Pre-Amplifier

Douk Audio T8PRO 7-band EQ Tube Preamp Equalizer XLR Pre-Amplifier with Tone Control

 

The Douk Audio T8PRO 2-Channel Tube Equalizer Pre-Amplifier is a high-performance HiFi audio device designed for users who want precise sound control combined with warm analog tube character. Manufactured by Douk Audio and distributed by Audio Phonic, this advanced equalizer preamp is built for audiophiles, studio users, and home audio enthusiasts who demand detailed sound tuning and professional-grade audio performance.

 

 

Features

• Upgraded 7-band EQ preamp: separate and rich frequency band control (50Hz / 125Hz / 315Hz / 750Hz / 2KHz / 6KHz / 16KHz), T8 can compensate for the defects of speakers and sound field by adjusting 7-band high, middle and low frequencies, and modify various sound sources. The timbre and loudness also can be changed to achieve different sound effects.
• Real balanced XLR preamp: support XLR and RCA inputs and outputs, T8 can reproduce high-quality audio for amplifier or active speaker with excellent separation, resolution, sound field, clean background. Also with a balance control to compensate for the left and right channel of all outputs and prevent the sound field positioning from deviating from the center position.
• HiFi warm & sweet tube sound: adopts classic pluggable Soviet Union 6H1N-BN tube to improve everything detail associated with your music, sounds warm and delicate, full and mellow, dynamic and melodious. Pluggable socket design for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference.
• Advanced design and attractive appearance: adopts electrolytic iron plate with good shielding performance, and the performance is precisely balanced; black aluminum alloy chassis with vintage warm tube lights, looks cool, exquisite and durable, very suitable for the audiophiles who pursue HiFi sound.

Parameters

• Model: Douk Audio T8PRO
• Audio input: single-ended RCA / balanced XLR
• Audio output: single-ended RCA / balanced XLR
• Frequency response: 20Hz～20KHz(±1dB)
• Frequency band: 50Hz / 125Hz / 315Hz / 750Hz / 2KHz / 6KHz / 16KHz
• RCA input sensitivity: 0.775Vrms
• RCA output level: 1.2Vrms
• BAL input sensitivity: 1.5Vrms
• BAL output level: 2.4Vrms
• THD: 0.01%
• SNR: ≥98dB
• Working voltage: DC12V (≥2A)
• Dimensions(W*D*H): 186*128*38mm / 7.32*5.04*1.50in
• Package dimensions(W*D*H): 340*240*70mm / 13.39*9.45*2.86in
• Net weight: 685g / 1.51lb
• Package weight: 1.1kg / 2.43lb

 

Key Features of Douk Audio T8PRO Tube Equalizer

Advanced 7-Band Equalizer for Precise Sound Control

The Douk Audio T8PRO features a professional 7-band EQ system that allows users to adjust specific frequency ranges with precision. The frequency bands include 50Hz, 125Hz, 315Hz, 750Hz, 2KHz, 6KHz, and 16KHz.

This advanced control system enables users to:

• Enhance bass response for deeper sound impact

• Improve vocal clarity and midrange balance

• Adjust treble for brighter and sharper highs

• Correct acoustic imperfections in rooms and speakers

• Customize sound signature based on music genres

This level of control is especially useful for users who want studio-like tuning in home audio setups.

Balanced XLR and RCA Connectivity

The T8PRO supports both balanced XLR and single-ended RCA inputs and outputs, making it compatible with a wide range of professional and consumer audio systems. The balanced XLR connection ensures cleaner signal transmission with reduced noise interference, while RCA provides standard compatibility for most home audio devices.

This flexibility allows users to integrate the device seamlessly into HiFi systems, amplifiers, active speakers, and studio setups.

 

Conclusion

The Douk Audio T8PRO 2-Channel Tube Equalizer Pre-Amplifier is a powerful and versatile audio device that combines precision equalization, balanced connectivity, and warm tube sound. With its 7-band EQ system, XLR/RCA support, and customizable tube design, it offers complete control over audio performance.

Distributed by Audio Phonic, this device is an excellent choice for audiophiles and professionals who want to refine their sound system with accuracy, warmth, and flexibility. It delivers both technical excellence and musical enjoyment, making it a valuable addition to any HiFi setup