Douk Audio T9 Vacuum Tube Phono Preamp Stereo Turntable Preamplifier with Headphone Output and Treble Bass Control for MM/MC Record Player, Home Hi-Fi Audio, Amplifier, Speaker

Price: $195.99
(as of Jun 02, 2025 00:02:24 UTC – Details)

Warm Tips
1. The bias and gain of two 6E2 tubes are set well before shipping, please pay attention to the R/L channel markings on the tubes, don’t insert them wrongly during installation.
2. 3.5mm headphone jack with priority, please make sure the headphone has been disconnected if you want RCA output.
3. Pluggable tube socket design, convenient to be replaced by 6K4, EF93, 6BA6, W727 etc. to enjoy tube sound of different styles.
4. T9 is a preamp not a power amplifier, needed to work with amplifiers or active speakers.

Parameters
Audio input: Stereo RCA / Phono MM(MC)
Audio output: Stereo RCA / 3.5mm Headphone Jack
Headphone impedance range: 16-300Ω
Headphone output power:
250mW@32Ω
100mW@64Ω
60mW@128Ω
RCA IN:
Input level: 0.775V RMS
Output level: 1.5V RMS
Input impedance: 100K ohm
SNR: ≥106dB
Frequency response: 20Hz-20KHz (±0.5dB)
PHONO IN:
Input level: 0.005V RMS (MM) / 0.0005V RMS (MC)
Output level: 0.6V RMS
Input impedance: 47K ohm (MM) / 330ohm (MC)
SNR: ≥80dB
Frequency response: Ref to RIAA ±2dB
THD: ≤0.1%
Tube: 2×6E2; 2×6A2
Treble&Bass: ±10dB
Backlight Color adjustable: GREEN/ORANGE/OFF
Working voltage: DC 12V(≥1A)
Dimensions (W*D*H): 154*87*47mm / 6.06*3.43*1.85in
Package dimensions(W*D*H): 210*190*100mm / 8.27*7.48*3.94in
Net weight: 600g/1.32lb
Package weight: 1.0kg/2.20lb

Packing List
1*T9 Preamp
2*6E2 Tube
2*6A2 Tube
1*DC12V Power Supply
1*Manual

Parcel Dimensions ‏ : ‎ 21.11 x 19.41 x 9.8 cm; 960 g
Date First Available ‏ : ‎ Nov. 25 2023
Manufacturer ‏ : ‎ Douk Audio
ASIN ‏ : ‎ B0CNX2M7GW
Item model number ‏ : ‎ T9

Authentic Vintage Sound Experience: Elevate your music listening with the Douk Audio T9, featuring two 6E2 vacuum tubes that offer a dynamic signal level display through the magic eye and two 6A2 tubes known for their warm, natural, and full-bodied sound. Enjoy the pure and bright color display with adjustable backlights in cold green or warm orange for an immersive audiovisual experience.
Versatile Input Options: The T9 preamp is designed to cater to a variety of audio sources. With both Phono (supporting both MM and MC cartridges) and RCA inputs, you can easily connect your turntable, phone, tablet, PC, or MP3 player. The preamp effortlessly converts phono signals to line level, ensuring clear and noiseless audio output.
High-Quality Headphone Output: The T9 includes a dedicated 3.5mm headphone jack with an independent headphone amplifier circuit, capable of driving headphones within the impedance range of 16-300Ω. Fine-tune your listening experience with the adjustable treble and bass controls for a more delicate and smooth sound with exhilarating highs and profound lows.
Sturdy and Elegant Design: Crafted with a robust all-metal case and CNC aluminum panel, the T9 not only offers superior shielding against external interference but also presents an attractive aesthetic. The solid knurled knobs and gold-plated I/O interfaces ensure a tight and smooth transmission of the original audio signal, minimizing signal loss and providing long-lasting durability.
Plug-and-Play with Ease: The T9’s pluggable tube socket design allows for easy replacement with different tube types such as 6K4, EF93, 6BA6, W727, etc., giving you the flexibility to customize your sound signature and enjoy a variety of tube sounds. Included with your purchase is a DC12V power supply, comprehensive manual, and all necessary components for seamless setup and enjoyment.