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