AD-2PRO/AD-2SE, AD-3PRO/AD-3D performance comparison
| Model | AD-2PRO | AD-2SE | AD-3PRO | AD-3D |
| Circuit design | The decoding and pre-amp parts are newly designed, and the power amplifier circuit is developed based on the AD-1PA. | Based on the first generation AD-2 in 2003，After nearly two decades, dozens of continuous optimization and upgrading. | The decoding and pre-amp parts are newly designed, and the power amplifier circuit is developed based on the AD-1PA. | AD-2SE is the prototype, adding PCM digital decoding. |
| Power system | The intelligent dynamic power distribution management system with patented technology can effectively improve power efficiency and reduce power consumption. | Ordinary filter circuit | The intelligent dynamic power management system can effectively improve power efficiency, reduce power consumption, increase Class A power and reduce heat generation of the whole machine. | Ordinary filter circuit |
| Temperature Control System | The intelligent temperature control management system can effectively increase the Class A power output and reduce the heat generation of the whole machine. | None | The intelligent temperature control management system can effectively increase the Class A power output and reduce the heat generation of the whole machine. | None |
| Design standards | CCC\CE\UL | CCC | CCC\CE\UL | CCC |
| Environmental standards | Comply with domestic and European and American ROSE standards. | Chinese standards | Comply with domestic and European and American ROSE standards. | Chinese standards |
| Supply voltage | ~110V/60Hz \~220V /50Hz | ~220V /50Hz | ~110V/60Hz \~220V /50Hz | ~220V /50Hz |
The difference of function
|
Model |
AD-2PRO | AD-2SE | AD-3PRO | AD-3D |
| Digital decoding | DSD decoding | Not support | DSD decoding | PCM |
| Decoder chip | ES9038 | None | ES9038 | AD1955 |
| Optic, Coaxial | 2 sets of optical fiber, 1 set of coaxial | Not support | 2 sets of optical fiber, 1 set of coaxial | 1 sets of optical fiber, 4 set of coaxial |
| MM/MC | support | Not support | support | Not support |
| Subwoofer signal output | A set of balanced, a set of unbalanced | Not support | A set of balanced, a set of unbalanced | Not support |
| Bi-wiring | support | Support | support | Support |
| Pure Power Mode | support | Support | support | Support |
| Operating mode | Class A, Class A and B, automatic switching | Class A, Class A and B, automatic switching | Class A, Class A and B, automatic switching | Class A, Class A and B, automatic switching |
| Power amplifier tube | Pairs of Toshiba TTA1943 and TTC5200 | ON Semiconductor NJW0281G/NJW0302G | Pairs of Toshiba 2SA1941 and 2SC5198 | ON Semiconductor NJW0281G/NJW0302G |
| OPA | OPA1656\9 pcs | OPA2134\2 pcs | OPA1656\9 pcs | OPA2134\2 pcs |
Parameter
| Model | AD-2PRO | AD-2SE | AD-3PRO | AD-3D |
| Matching impedance | 4Ω~8Ω | 4Ω~8Ω | 4Ω~8Ω | 4Ω~8Ω |
| Frequency Range | 15Hz~100KHz（+1/-3dB） | 20Hz~100KHz（+1/-3dB） | 15Hz~95KHz（+1/-3dB） | 20Hz~70KHz（+1/-3dB） |
| SNR | ≥108dB（A weight） | ≥95dB（A weight） | ≥100dB（A weight） | ＞90dB |
| Gain | 40dB±1dB | 40dB±1dB | 40dB±1dB | 40dB±1dB |
| THD | ≤0.01%（1KHz，normal working） | ≤0.05%（1KHz，normal working） | ≤0.05%（1KHz，normal working） | ＜0.08（1KHz，normal working） |
| Separation | ≥75dB | ≥75dB | ≥75dB | ≥60dB |
| Output Power | 200W*2（8Ω,THD=1%,1KHz） | 200W*2（8Ω,THD=1%,1KHz） | 150W*2（8Ω,THD=1%,1KHz） | 150W*2（8Ω,THD=1%,1KHz） |
| power consumption |
260W-320W（Class A static power consumption） 70W-110W（Class AB static power consumption） |
≤600W |
260W-300W（Class A static power consumption） 70W-110W（Class AB static power consumption） |
≤400W |
| Size(W*H*D) | 444x254x460mm | 450x242x580mm | 444x226x460mm | 445x218x470mm |
| Stock | Yes | No | Yes | No |
Related tags: Tonewinner AD-2PRO, Tonewinner AD-3PRO+, high-end class AB amplifier
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