Douk Audio Tube Phono Preamp: HiFi MM/MC Turntable Preamplifier | Headphone Amp with AUX Input | VU Meter for Record Players, Vinyl Systems

Douk Audio Tube Phono Preamp: HiFi MM/MC Turntable Preamplifier | Headphone Amp with AUX Input | VU Meter for Record Players, Vinyl Systems

Vacuum Tube Preamp – Warm Analog Tone: Built with imported JAN5725 tubes, the T4 PLUS delivers rich analog warmth with enhanced detail and clarity. The pluggable socket design allows tube rolling for customizable sound shaping to meet different audiophile preferences. MM/MC Phono Preamp – Wide Cartridge Compatibility: Supports both MM and MC cartridges with selectable impedance (1KΩ–10Ω), ensuring accurate RIAA equalization and clean amplification of low-level phono signals. Designed for vinyl users seeking improved resolution, transparency, and dynamic expression. AUX Input – Upgrade Digital Sources Instantly: 3.5mm AUX input boosts phones, tablets, PCs, and MP3 players, converting low-level signals into a strong line output. Provides a noticeable improvement in clarity and fullness when connecting modern devices to stereo amplifiers or active speakers. VU Meter – Retro Analog Monitoring: The integrated VU meter adds classic visual feedback with warm illumination, enhancing vintage appeal while showing real-time output dynamics. A distinctive visual centerpiece for home listening rooms and turntable setups. Headphone Amp – Drive 32–300Ω Headphones Easily: Built-in NE5532 headphone amplifier outputs up to 150mW@32Ω, offering clean power for most headphones. Perfect for vinyl lovers who enjoy private listening sessions with smooth, detailed HiFi sound. Warm tips:
1. 3.5mm AUX input with priority, please make sure the AUX cable has been pulled out if want to use MM/MC phono input.
2. Stereo RCA and 3.5mm headphone jack can output at the same time, and the knob also controls the volume of two outputs simultaneously.


Parameters
Brand: Douk Audio
Model: T4 PLUS
Audio input: MM phono/turntable / 3.5mm AUX
Audio output: stereo L/R RCA / 3.5mm headphone jack
Max output power of headphone jack: 150mW@32Ω
Matched headphone impedance: 32-300Ω

AUX IN
AUX input level: 0.775V
RCA max output level: 1.5V
Frequency response: 20Hz-20KHz (±0.3dB)
S/N ratio: ≥110dB
THD: 0.2%

Phono IN
Phono input level: 0.005V
RCA max output level: 300mV (MM) / 3V (MC)
Frequency response: conforms to RIAA characteristics (±3dB)
S/N ratio: 71dB
THD: 0.8%

Working voltage: DC 12V
Dimensions(W*D*H): 50*137*146mm / 1.97*5.39*5.75in
Package dimensions(W*D*H): 300*230*65mm / 11.81*9.06*2.56in
Net weight: 640g / 1.41lb
Package weight: 1000g / 2.20lb


Packing List
1*T4 PLUS Preamp
2*JAN5725 Vacuum Tube
1*DC 12V Power Adapter
1*3.5mm to RCA Cable