The Tonewinner AD-1PRE+ is a sophisticated pre-amplifier and DAC designed for audiophiles seeking premium sound quality. It incorporates high-quality components, such as the ESS Technology ES9038 DAC chip and a CT7601PR USB interface, to provide a wide dynamic range with minimal distortion. The pre-amplifier supports high-resolution audio, decoding PCM streams up to 32bit/768kHz and DSD streams up to DSD512, making it suitable for high-end Hi-Fi systems.
Equipped with a combination of 9 operational amplifiers (AOPs), including OPA1612, OPA1632, and OPA1642 models, the AD-1PRE+ ensures low-noise, low-distortion audio performance. The inclusion of the MUSES72323 volume controller further enhances the clarity of the output.
Connectivity is a strong point of the AD-1PRE+, offering a variety of input options: four unbalanced RCA inputs (including MM and MC phono-compatible inputs), one balanced XLR input, two coaxial SPDIF inputs, two Toslink optical inputs, and one USB-B input. For output, it provides two RCA line outputs and one XLR balanced line output. The preamplifier also includes a trigger connector and remote control for enhanced convenience.
With the ability to support a range of audio formats (SACD, FLAC, ALAC, WAV, etc.), the AD-1PRE+ delivers versatility in connecting to various audio sources, from turntables to digital devices, ensuring it meets the needs of any audiophile setup.
Features:
- ESS Technology ES9038 DAC chip
- Supports PCM 32bit/768kHz and DSD512
- 9 AOPs (5x OPA1612, 4x OPA1632, 1x OPA1642)
- MUSES72323 volume controller
- 4 RCA inputs (Phono MM, Phono MC, CD, AUX)
- 1 Balanced XLR input
- 2 SPDIF coaxial inputs
- 2 Toslink optical inputs
- 1 USB-B input
- 2 RCA stereo outputs
- 1 XLR balanced stereo output
- Supports SACD, ALAC, FLAC, MP3, WMA, and more
- Frequency response: 10Hz – 180kHz (+1/-3dB)
- THD ≤ 0.0035% (1kHz)
- SNR ≥ 110dB (A-weighted, direct analog)
- Crosstalk ≥ 102dB (1kHz, analog)
- Remote control and trigger connector
Specifications:
| Feature | Specification |
|---|---|
| Product Type | Pre-amplifier / DAC |
| Amplification Class | A/B |
| DAC Chip | ESS9038 |
| Operational Amplifiers (AOP) | 5x OPA1612, 4x OPA1632, 1x OPA1642 |
| Volume Control | MUSES72323 |
| Inputs | 4x RCA (Phono MM, Phono MC, CD, AUX), 1x Balanced XLR, 2x SPDIF coaxial, 2x Toslink optical, 1x USB-B |
| Outputs | 2x RCA stereo, 1x XLR balanced stereo |
| Supported Sample Rates | USB: PCM 32bit 768kHz, DSD DoP256, native DSD512 |
| Supported Audio Formats | SACD, ALAC, APE, DIFF, DSF, FLAC, OGG, WAV, AAC, MP3, WMA |
| Nominal Input Impedance | 20 kΩ (analog inputs) |
| Total Harmonic Distortion (THD) | ≤ 0.0035% (1kHz) |
| Signal-to-Noise Ratio (SNR) | ≥ 110dB (A-weighted, direct analog) |
| Frequency Response | 10Hz – 180kHz (+1/-3dB, direct analog) |
| Crosstalk | ≥ 102dB (1kHz, analog) |
| Power Supply | 110V-115V AC 60Hz, 220V-230V AC 50Hz |
| Dimensions | 444 × 106 × 424mm |
| Net Weight | 9.7kg |
| Color | Silver |
| Package Includes | 1x Tonewinner AD-1PRE+, 1x Remote control, 1x Power cable |
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