This series amplifiers are used Toshiba power tube.
Designed to work with AD series line array or loudspeakers to achieve better effect.
| MODEL | AD-1.4 | AD-1.8 | AD-3.0 | AD-3.6 | AD-4.0 |
| 8ohm Stereo Output Power | 2x400W | 2x700W | 2x900W | 2x1100W | 2x1300W |
| 4ohm Stereo Output Power | 2x600W | 2x1050W | 2x1350W | 2x1650W | 2x1950W |
| 2ohm Stereo Output Power | | | | | 2600W |
| 8ohm Bridge output power | 1200W | 2100W | 2700W | 3300W | 3900W |
| 4ohm Bridge output power | | | | | 5200W |
| Frequency Response | 20Hz-20KHz |
| THD+N | < 0.05% | < 0.05% | < 0.08% | < 0.08% | |
| Slew Rate | 30V/µs | 30V/µs | 35V/µs | 40V/µs | 44V/µs |
| Damping factor | >250 | >300 | >300 | >300 | >400 |
Voltage Gain
(8 ohm rated power @0.775V) | 36dB | 38.2dB | 40.2dB | 40.8dB | 42.4dB |
| Output circuitry | Class AB | Class H | Class H | Class H | Class H |
| Signal to Noise Ratio | ≥ 95dB | ≥ 95dB | ≥ 98dB | ≥ 100dB | ≥ 102dB |
| Crosstalk | >70dB | >70dB | >70dB | >70dB | >70dB |
| Input Sensitivity (8 ohm) | 0.775V/1.0V/1.4V RMS |
| Input impedance | 20 k ohm balance / 1.0Kohm unbalance |
| Cooling | Two variable speed fans, rear-to-front air flow |
| Controls | Front: AC switch, CH1 and CH2 gain knobs
Rear: Sensitivity switch, GND switch, Stereo/Parallel/Bridge switch,
30Hz Low cut switch, clup limiter switch, 150Hz Low pass switch |
| Indicators | Front: STANDBY-Orange LED, Power-Blue LED, SIGNAL-Green LED, CLIP-Red LED, PRO-Red LED, Rear: BRIDGE-Orange LED |
| Amplifier protection | Short circult, thermal, over load, clip limiter, DC voltage, soft start, ultrasonic and RF protection |
| Power requirement | 100V, 120V, 220V, 240V, 50-60Hz |
| Dimension | 483x89x462mm | 483x133x462mm |
| N.W/G.W | 18.5/22.5kg | 21/25.5kg | 24/28.5kg | 40/44.7kg | 42/46.7kg |
Guangzhou AD Audio Co., Ltd. is one of the best PRO Audio suppliers in China, specialized in the manufacture, design and marketing professional loudspeakers and power amplifiers since 1998 and gained very high reputation at home and abroad.
So far, we have attended the NAMM SHOW in USA, Music Moscow in Russia, prolight+sound show in Frankfurt, Shanghai, Guangzhou and PALM EXPO for times.
We are keeping race with the lastest technology and aimig to offer best products and service to clients.
