ToneWinner AD-89D HIFI 디지털 CD 플레이어 블루투스 무손실 홈 HiFi 전력 증폭기 올인원

Product Specifications:
Model: AD-89D
Number of Channels: 2
Frequency Response: 10Hz–50kHz (+1/-3dB)
Frequency Range: 20Hz–60kHz (+1/-3dB)
Distortion: ≤0.05% (1kHz, A-weighted)
Signal-to-Noise Ratio: >95dB (A-weighted, rated source EMF 1V)
Output Power: 130W (8Ω per channel, 1kHz, THD=1%) | Input Impedance: 10kΩ
Rated Impedance: 8Ω (compatible with 4–8Ω loads)
System Gain: 41dB
Maximum Power Consumption: 450W (at 8Ω)
Power Supply Voltage: 110–115V/60Hz or 220–230V/50Hz
Net Weight: 12.7kg
Gross Weight: 14.8kg
Chassis Dimensions: 430 x 360 x 132mm (W x D x H; excluding feet, knobs, and terminals)
Overall Dimensions: 430 x 397 x 151mm (W x D x H; including feet, knobs, and terminals)
Packaging Dimensions: 546 x 483 x 232mm (L x W x H)

I. Design Features
Designed specifically for a new generation of users, the AD-89D multifunctional CD player/amplifier features an all-new aesthetic. Its "Basalt Black" finish exudes a bold, commanding presence, with a smooth, refined surface that offers a premium tactile feel. The front-panel buttons are compact and rounded. The overall design strikes a perfect balance between sharp, modern lines and soft, elegant contours—making it a stylish, versatile addition to any home environment.

II. Components and Circuit Design

1. The AD-89D utilizes Tonewinner’s classic "Super Class A" Hi-Fi circuit design, which delivers low distortion, high energy efficiency, and powerful driving capability, resulting in a nuanced and detailed sound. 2. Powered by a high-quality 350VA audiophile-grade toroidal transformer, it delivers a robust 130W (8Ω) output, effortlessly driving even the most demanding loudspeakers.
3. Equipped with a high-capacity 40,000µF filter capacitor bank—comprising eight custom-matched, high-precision, high-power capacitors—it ensures immense dynamic range and powerful, punchy performance.
4. Features the powerful AD-1955 audio decoding chip, supporting sampling rates and quantization up to 192kHz/24-bit. With independent digital filtering and D/A conversion, it achieves an impressive 126dB dynamic range and signal-to-noise ratio.
5. The CD section utilizes a high-quality, custom-engineered transport mechanism, ensuring consistent rotational speed, stable disc playback, and excellent sonic balance.
6. Designed with isolated internal compartments—separating power supply, energy storage, input, decoding, and left/right audio channels—to minimize internal signal interference and achieve an ultra-quiet, "dead-silent" noise floor.

III. Functional Features
1. Supports playback of various CD formats, including HQCDII, HDCD, MP3, and WMA.
2. Offers versatile input options: one USB-Audio input, one optical input, three coaxial inputs, and three analog inputs.
3. Supports local playback from USB flash drives or TF cards (up to 128GB), including lossless formats such as WAV, FLAC, and APE.
4. Supports USB-Audio input, enabling true PC-HiFi playback.
5. Features HDMI-ARC (Audio Return Channel) for superior sound transmission, overcoming the thin, lackluster audio typical of built-in TV speakers.
6. Includes an SW-OUT (subwoofer output) for 2.1-channel configurations, making it easy to set up a compact home theater system.
7. Employs an independent pre-amplifier and power amplifier circuit design, allowing the unit to function as a dedicated pre-amplifier or power amplifier.
8. Controllable via a mobile app or the included remote control.
9. Allows for adjustable bass and treble settings to suit personal preferences.
10. Features automatic dual-voltage power supply switching. IV. Sound Characteristics
The AD-89D delivers a truly impactful low-frequency performance, characterized by deep extension and immense power. The transitions across the frequency spectrum are seamless; the mid and high frequencies are exquisite and vibrant, making the unit well-suited for any genre of music. When reproducing vocals, the sound is balanced and sweet, with excellent separation between the voice and instruments, alongside high resolution. In symphonic works, the soundstage positioning of individual instruments remains distinct and clear. Sudden, explosive low-frequency bursts are delivered with the raw, ferocious power of a tiger—the sound is robust and full-bodied, yet rich in nuanced detail.
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