ToneWinner AD-1PRE+ Reference Stereo Preamplifier & DAC

The ToneWinner AD-1PRE+ is a high-end stereo preamplifier and DAC designed for audiophiles seeking exceptional transparency, versatility, and analog warmth. Combining premium analog circuitry with the flagship ESS ES9038 DAC, the AD-1PRE+ delivers stunning detail, expansive dynamics, and ultra-low distortion while supporting today's highest-resolution digital audio formats.

Featuring balanced and unbalanced analog connectivity, dedicated MM and MC phono stages, USB, optical, coaxial digital inputs, and balanced XLR outputs, the AD-1PRE+ serves as the ideal control center for premium two-channel music systems. Whether streaming high-resolution digital music or enjoying vinyl playback, the AD-1PRE+ provides reference-quality performance for every source.

Reference-Class Analog Design

The analog preamplifier stage utilizes carefully selected audiophile-grade operational amplifiers, including five OPA1612, four OPA1632, and one OPA1642, along with a premium MUSES72323 electronic volume controller. This fully engineered signal path delivers exceptionally low noise, wide dynamic range, and natural musical reproduction.

Flagship ESS ES9038 DAC

At the heart of the digital section is the renowned ESS ES9038 DAC, capable of decoding PCM audio up to 32-bit/768kHz and Native DSD512 via USB. Combined with the CT7601PR USB interface, the AD-1PRE+ extracts remarkable detail, imaging, and realism from today's highest-resolution digital recordings.

Built for Digital & Vinyl Enthusiasts

With dedicated Moving Magnet (MM) and Moving Coil (MC) phono inputs, balanced XLR connectivity, and extensive digital inputs, the AD-1PRE+ integrates effortlessly into virtually any high-performance stereo system.

Features

• High-performance stereo preamplifier with integrated DAC
• Class A/B analog preamplifier design
• ESS ES9038 Reference DAC
• CT7601PR high-resolution USB interface
• PCM decoding up to 32-bit / 768kHz
• Native DSD512 support
• Dedicated Moving Magnet (MM) phono input
• Dedicated Moving Coil (MC) phono input
• Balanced XLR input and output
• MUSES72323 precision volume control
• Audiophile-grade operational amplifiers
• Low noise, wide dynamic range design
• Remote control included
• 12V Trigger support

Specifications

Audio Performance

• Product Type: Stereo Preamplifier / DAC
• Amplifier Class: Class A/B
• DAC: ESS ES9038
• Volume Control: MUSES72323
• Operational Amplifiers: 5 × OPA1612, 4 × OPA1632, 1 × OPA1642
• Frequency Response: 10Hz – 180kHz (+1/-3dB)
• Total Harmonic Distortion: ≤0.0035% (1kHz)
• Signal-to-Noise Ratio: ≥110dB (A-weighted)
• Channel Separation: ≥102dB (1kHz)
• Analog Input Impedance: 20kΩ

Connectivity

• 4 × Stereo RCA Inputs (MM Phono, MC Phono, CD, AUX)
• 1 × Balanced XLR Input
• 2 × Optical Toslink Inputs
• 2 × Coaxial Digital Inputs
• 1 × USB-B Input
• 2 × Stereo RCA Outputs
• 1 × Balanced XLR Output
• 12V Trigger
• Ground Terminal

Compatibility

• Moving Magnet (MM) Turntables
• Moving Coil (MC) Turntables
• CD Players
• SACD Players
• Network Audio Players
• Music Streamers
• Computers (USB Audio)
• Balanced Power Amplifiers
• Stereo Power Amplifiers

Supported Audio Formats

• PCM up to 32-bit / 768kHz (USB)
• Native DSD512
• DSD DoP256
• Optical PCM up to 24-bit / 192kHz
• DSD DoP64 (Optical)
• SACD
• ALAC
• APE
• DIFF
• DSF
• FLAC
• OGG
• WAV
• AAC
• MP3
• WMA

Controls

• Front Panel Source Selection
• Electronic Volume Control
• Infrared Remote Control
• Input Selection
• Balanced / Unbalanced Source Management

Power

• Power Supply: 110–115V AC 60Hz / 220–230V AC 50Hz

Physical Specifications

• Finish: Silver
• Width: 444mm (17.5")
• Height: 106mm (4.2")
• Depth: 424mm (16.7")
• Weight: 9.7kg (21.4lbs)

What's in the Box

• ToneWinner AD-1PRE+ Stereo Preamplifier
• Remote Control
• AC Power Cable
• User Documentation