ADR25 is a pre-amplifier with 8 input channels and eight output channels exclusively used by the digital multiple-access public address system. Independent volume control for 8 output channels. Independent tone control for eight output channels of high and low pitch. Input sensitivity of each line250MV. With compulsive insert and priority function. This bass guitar preamp is the best bass preamp.
No. | Item | Indicator requirement | Unit | |
1 | Input sensitivity of each line | 250 | Mv | |
2 | Output level of each line | 1000 | Mv | |
3 | Noise-signal ratio | >80 | dB | |
4 | Frequency response (-3dB) | 20-30k | Hz | |
5 | Regulating range of tune in each channel (relative to frequency of 1kHz) | Low pitch (100Hz) | ±10 | dB |
High pitch (10kHz) | ±10 | dB | ||
MP4000 2000W PA System Power AmplifierMarch 16, 2017This amplifier is designed for commercial and industrial public address applications. Both balanced and unbalanced line inputs are available for each channel. Balanced line output feeds to another power amplifier as well as secures the signal transmission is less noise and longer distance. A master volume control is included. Complete protection includes clip, short circuit, high temp and overload. With indications for power, signal, clip, protection and temp.view
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