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Douk Audio & Nobsound
Make Hi-Fi Affordable
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Douk Audio & Nobsound
Estabilshed in 2013, Douk Audio & Nobsound is created by a group of enthusiastic music fans and professional audio experts.
We design and make various audio equipments including amplifier, phono preamp, headphone amp, DAC, audio switch and so on.
Our aim is "Make Hi-Fi Affordable" !
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Bluetooth Mini Amplifier
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Bluetooth Digital Amplifier
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Bluetooth Tube Amplifier
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Douk Audio BS-1 Bass Shaker
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VU3 Audio Switch with VU Meter
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B1 FM Receiver
Product Description
Introduction
Douk Audio X1 tube power amplifier is the fully upgrading version in all aspects, using JAN5654 vacuum tube to improve the sound quality, TDA7498E amp IC that can max output 160W+160W to drive all home speakers, integrating the function of phono preamp and amplifier to support MM phono turntables input, and adding a low frequency output that can connect active subwoofer to build 2.1 channel audio system.
Product Highlights
Bluetooth 5.0 & APTX-HD
- Support Bluetooth 5.0 and APTX-HD, which can ensure higher sound quality and transmission stability
TDA7498E & 320W
- Adopt TDA7498E amp IC, which can offer max output power 160W+160W(4Ω)
- Easily to drive most home passive speakers
JAN5654 Vacuum Tube
- With high quality JAN5654 vacuum tubes. No need to pay extra to upgrade tubes
- Warm and sweet, delicate and mellow sound, much softer and more listenable, full in mid, powerful in low and clear in high frequency
Tone Control
- With independent treble / bass control
- With independent volume control
MM Phono Input
- Can be used with MM turntable directly
- With GND port to avoid phono signal interference
Four Multi-functional Toggles
- Inputs switch toggle: can switch among Bluetooth / Phono / RCA inputs
- Bass switch: can choose to add more bass
- Tone switch: can choose to bypass tone circuit or not
- Tube light switch: can adjust tube light
Active SUB Out
- With active SUB output to build 2.1 audio system conveniently
Upgrade DC Connector
- Upgrade DC connector with no spark issue. Safe and solid.
- Compatible with DC 19~35V input
- Equipped with high quality 32V/5A power supply
Packing List
- 1*X1 Amplifier
- 2*JAN5654 Vacuum Tube
- 1*32V/5A Power Supply
- 1*User Manual
Douk Audio X1
Parameters
- Bluetooth chip: QCC3034 (support APTX / APTX-HD)
- Amp IC: TDA7498E
- Op amp: NE5532
- Max output power: 160W+160W(4Ω load)
- Speaker impedance: 4-8Ω
- Frequency response: 20Hz-20KHz(±3dB)
- SNR: >90dB; THD: 0.5%
- Input sensitivity: 0.775V
- Treble and Bass range: ±6dB
- Working voltage: DC 19V-35V
- Audio input: Bluetooth 5.0 / stereo L/R RCA / MM Phono & Turntables
- Audio output: banana speaker jacks / Low frequency output (connect active subwoofer)
- Dimensions(W*D*H): 115*166*60mm / 4.53*6.54*2.36in
- Package dimensions(W*D*H): 320*280*80mm / 12.60*11.02*3.15in
- Net weight: 782g / 1.72lb
- Package weight: 1400g / 3.09lb
Panel Introduction
Douk Audio X1
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Douk Audio P1
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Douk Audio G6
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Douk Audio M1 PRO
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Nobsound G2
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Douk Audio M4
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| Customer Reviews |
446
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977
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— |
625
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682
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324
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| Type | Bluetooth Tube Phono Amplifier | Bluetooth Tube Preamp + Headphone Amplifier | Bluetooth Vacuum Tube Amplifier | Bluetooth Amplifier | SUB/Mono Amplifier | Bluetooth Amplifier |
| Max Power | 160W x 2 | 160mW @32Ω (Headphone Port) | 160W x 2 | 160W x 2 | 100W | 50W x 4 |
| Channel | 2.0 (2.1) | 2.0 | 2.0 | 2.0 (2.1) | 1.0 | 2.0/4.0 |
| Input | Bluetooth 5.0 + RCA + MM Phono | Bluetooth 5.0 (APTX-HD) + RCA + PC-USB | Bluetooth 5.0 (APTX-HD) + RCA + PC-USB | Bluetooth 5.0 + RCA + U-disk | RCA | Bluetooth 5.0 + RCA + 3.5mm AUX + U-disk |
| Output | Stereo Passive Speakers + Active Subwoofer | Active Speaker + Amplifier + Headphone | Stereo Passive Speakers | Stereo Passive Speakers + Active Subwoofer | Mono Passive Speaker / Subwoofer | 4 Passive Speakers / 2 Passive Speakers + Another M4 Amp |
| Tone Control | ✓ | ✓ | ✓ | ✓ | no data | no data |
| THD | ≤0.5% | ≤0.01% | ≤0.01% | ≤0.04% | ≤0.03% | ≤0.05% |
| SNR | >90dB | ≥103 | ≥103 | ≥98 | ≥106 | ≥98 |
| Speaker Impedance | 4~8ohm | 32-300Ω (Headphone) | 4~8ohm | 2~8ohm | 2~8ohm | 4~8ohm |
| Power Supply | 32V 5A | 12V | 32V 5A | 32V 5A | 19V 4.74A | 24V 4.5A |
Douk Audio U2
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Nobsound 12AU7
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Nobsound 6P1
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Nobsound 6P1 Plus
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Nobsound MS-10D MKIII
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Douk Audio VU2
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| Customer Reviews |
279
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88
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156
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47
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157
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43
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| Type | USB to Toslink Digital Interface | 12AX7 (ECC83) 12AU7 (ECC82) Vacuum Tube Preamp | Class A Single-Ended Vacuum Tube Amplifier | Class A Single-Ended Vacuum Tube Amplifier + Headphone Amplifier | Bluetooth Hybrid Tube Power Amplifier | MIC+Line VU Meter + Audio Splitter |
