ToneWinner AD-1PRE+ Vorverstärker HI-END DSD-Dekodierung, vollständig symmetrischer, verlustfreier Audio-Vorverstärker

AD-1PRE+ is a high-end decoder supporting CD, SACD, MP3, WMA audio formats and USB-Audio, phono MM/MC, optical, coaxial connections. It adopts multi-chamber layout, balance circuit, DSD decoding and several high class chips to offer Hi-Fi sound effect. As a top 10 audio brand in China, Tonewinner has 30+ years experience in designing and manufacturing acoustic products. As an original supplier, Tonewinner always warmly welcomes distributors, partners and customers around the world.

AD-1PRE+ is a high-end Hi-Fi decoder supporting CD, SACD, MP3, WMA audio formats and USB-Audio, phono MM/MC, optical, coaxial connections. It adopts multi-chamber layout, balance circuit, DSD decoding and several high class chips to offer amplifier Hi-Fi sound effect.

• Three analog audio inputs: one XLR balanced input, two 2 RCA unbalanced inputs.
• Two-way phono interfaces: MM and MC cartridge.
• 5-channel digital inputs: optical×2, coaxial×2, USB×1.
• Analog outputs: two way unbalanced outputs, one way balanced output.

• The  digital audio receiver chip adopts CS8416 with excellent performance.
• The DAC chip adopts the ESS9038 from ESS company. The signal-to-noise ratio of the chip is as high as 129dB, and the distortion is as low as -120dB.
• The curent-voltage conversion circuit operational amplifier adopts OPA1632 from Texas Instruments, handling high-fidelity performance of the balanced transmission signal to the greatest extent.
• The electronic volume controller chip adopts JRC's top MUSES72323, with great performance in distortion, SNR and separation.
• The balanced-to-unbalanced circuit operational amplifier adopts bipolar op amp OPA1612 form Texas Instruments. The distortion is as low as 0.000015%, and the noiseis as low as 1.1nV/.
• Using a specially designed  analog power supply to make the sound quality better.
• The exterior of the whole machine adopts aluminum alloy anodizing drawing process for durable performance. 
• Support multiple audio formats:

PC: DSD64-DSD512.DOP64, DOP128, DOP256.

Coaxial/optical: PCM44.1-192, DOP64.

Mobile phone: use OTG adapter to identify mobile phone audio source.