Features :
1、Tube mic amplifier
2、Its shell adopts dust-free spraying processing 
3、Provides extra shielding against stray magnetic and RF
4、Features tube/fet and MTR button
5、Adopts 12AX7B tube DI circuit design to premium performance 
6、Front panel mic gain knob increases gain and makes sound full and smooth
7、Features 48V phantom power 
 
* Type:
tube microphone preamp
* Input:
XLR and 1/4’’ jack
* Output:
XLR
* Tube complement:
12a x 7
* Pad:
-15dB
* Max power consumption:
160mA @120V AC, 20W
* Power requirements:
100-240V AC
* Mic input impedance:
2K ohm
* Line input impedance:
10K ohm
* Hi-Z input impedance:
2.2M ohm
* Internal output impedance:
600 ohm
* Gain range:
70dBu
* Mic gain range:
 10-60dBu
* Line gain range:
-10-40dBu
* Hi-Z gain range:
-10-40dBu
* Mic frequency response:
20hz-20khz
* Line frequency response:
20hz-20khz
* Hi-Z frequency response:
20hz-20khz
* Min THD + noise @+4dBu:
0.1% tube 0.005%