Features
● High-grade aluminum 2U black sandblasted panel, beautiful and elegant;
● The front panel has a 10-digit LED level dynamic indicator
● Built-in bell/siren output, with priority function;
● A total of ten inputs, including 5 microphones, 3 line channels, and 2 emergency channels
● Each input channel has an independent volume adjustment knob
● With total volume adjustment function, the treble and bass can be adjusted independently;
● With mute function, supports automatic mute to -30dB;
● With 4 AV output interfaces, can connect 4 pure post-stage amplifiers
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Specification
|
Microphone input (MIC) |
600 ohms (Ω) 5mV, unbalanced |
|
Emergency input (EMC) |
10k ohms (Ω) 200mV, unbalanced |
|
Line input (AUX) |
10k ohms (Ω) 200mV, unbalanced |
|
Line output |
10k ohms (Ω) 0.775V (0 dB), unbalanced |
|
Frequency response |
60Hz~15kHz (±3dB) |
|
Non-linear distortion |
THD<0.01% at 1kHz |
|
Signal-to-noise ratio S/N |
>70 dB |
|
Tone adjustment range |
BASS: 100Hz(±10dB), TREBLE: 12kHz(±10dB) |
|
Silent suppression capability |
When MIC1 is input, MIC2~ MIC5, EMC1~ EMC2, AUX1~AUX3 signal attenuation 0~30 dB; when EMC1~EMC2 is input, MIC2~MIC5, AUX1~AUX3 signal attenuation 0~30 dB |
|
Power supply |
AC220V±10% 50 - 60Hz |
|
Power consumption |
10~15W |
|
Machine size |
89(H)×483(W)×350(D) mm |
|
Net weight |
5.96kg |
Q: How many input for Audio Preamp?
A: The Audio Preamp have 10 inputs, which can connect 10 different kinds of audio source like mobile phone, CD player, PC, MP3 player
Q: What’s Audio Preamp used for?
A: Audio Preamp used for: 1.weak signal enhancement, 2.matching the input requirements of subsequent circuits, 3.frequency response adjustment, 4.noise suppression, 5.signal coupling and isolation
Q: When you choose audio preamp, what’s need to take into consideration?
A: Need to consider audio preamp with Gain, Frequency response, Noise figure, Input and output impedance, Compatibility, Size and portability.
