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User Manual of Douk Audio T8PRO
Warm tips:
- Two outputs (RCA / XLR ) can work at the same time.
- When the scale line on frequency knobs points to the middle means this frequency band is neither weakened nor strengthened. When rotating it to its middle position there will be a feeling of pause.
- Default 6H1N-BN tubes, can be changed to the following models: 6SN7GT / 6N1 / 6AQ8, and the 6SN7GT requires a 6SN7 to 6N1 socket adapter.
- 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.
- 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
- T8PRO Preamp ×1
- 6H1N-BN Tube ×2
- DC 12V Power Adapter ×1
- User Manual ×1
@Rick Ruiz Audio
Douk Audio T8 Pro - Is it better?
@United States of Analog
Review: DOUK AUDIO T8 Pro 7-BAND Equalizer!
@Rick Ruiz Audio
Douk T8 Vs Schiit Lokius - Both Winners!
Outstandingly good equaliser and such good value.
I used 2 x duel SS2590 x Sparkos in the eq, 2 x Burston Vivids v7 in the xlr and 1 x muses02 in the RCA, sounds amazing, sound stage and seperation is excellent and it doesn't ever sound harsh- sometimes lively.
The build quality of the T8 is fair-to-good but I bought it new from AliExpress for £60, it seems a top seller. I think it is a good press release and you are free blog or I can write a short post for you with pictures, and post on LinkedIn 20k+ followers.
My rig is a SS Galion TS75, The DOUK T8 with 2 x Soivet Military 6N1P EV 1976-7 gold grid, Nvidia Shield with USB Audio Pro outputting bit perfect to a Hiby FC4 headphone DAC 4.4mm to XLR feeding the XLR, and a pair of WharfDale Evo 4.4s, all of which are just a few days old and are buring in together.
Great quality,great sound!
Das Gerät ist wertig verarbeitet. Die Regler stehn in der Nullposition nicht in der Mitte. Rest ist sehr gut.
This thing is awesome. Tubes are probably a sham, despite them running off a hot-ass tube heater, as the unit itself runs off only 12V. But the EQ is fantastic and has been a great, cheap way to fix my setup. Doesn't seem to degrade the signal, but can't say for certain. Users should be aware that the input sensitivity is pretty low (listed at 0.78VRMS on the product page) -- I'll sometimes have to attenuate my preamp's signal ahead of the chain to avoid clipping.Using HouseCurve (off the iOS store, excellent free and paid options) with the T8 Pro, I've been able to flatten the FR of my living room set up (DAC/preamp > T8 Pro > Sony 2-ch/TubeCube 7 > Technics SB-LX70). FWIW, I'd imagine headphones might be harder to fix unless you have a measurement rig or just want to add in a bass or treble boost, as its hard to tell the Q factor of the filters and their interactions with each other, and having to switch filters manually each time would be a pain.Would be great to see a solid-state, no frills, version of this product, as well as a full-functioning tube or tube-hybrid version.
