TUBEPRE V2 Pre Amps Presonus

***ราคาต่อเครื่อง*** (ราคารวมภาษีมูลค่าเพิ่ม 7% แล้ว)

Features
XMAX Class A preamp input stage
12AX7 dual-servo vacuum tube output stage
Input Gain control
48V phantom power
80 Hz high-pass filter
-20 dB pad
Instrument input select
Polarity-reverse switch
Backlit VU meter
Clip LED
Input/Output
1 unbalanced ¼” instrument input
1 balanced XLR mic input
1 unbalanced ¼” line output
1 balanced XLR line output
Physical
Compact 1/3U rack-mount chassis
External 12 VDC, 1A power supply

Technical Specifications
Mic Input
 
Connector Type
XLR, female, balanced
EIN
-131 dB, 20 kHz BW, max gain, Rs=40Ω, A-wtd -128 dB, 20 kHz BW, max gain, Rs=40Ω, unwtd
Frequency Response
20 Hz – 20 kHz, -0.3 dB, +4 dBu, unity gain 5 Hz - 120 kHz, -3 dB, +4 dBu, unity gain
THD+N
0.01%, -10 dBu, 1 kHz, unity gain, 20 kHz BW, unwtd
Dynamic Range
115 dB, 1 kHz, unity gain, 20 kHz BW, A-wtd 107 dB, 1kHz, unity gain, 20 kHz BW, unwtd
Input Impedance
1.3 kΩ
Phantom Power
+48 VDC, 10 mA
Instrument Input
 
Connector Type
¼” TS, female, unbalanced
Input Impedance
1 MΩ
Analog Output
 
Connector Types
XLR, male, balanced ¼” TS, female, unbalanced
Maximum Output
+20 dBu
Output Impedance
51Ω
Tube Stage
 
Type
12AX7
Power
 
External Power Adapter
+12 VDC, 1A, center-pin positive
PSU Barrel Dimensions
5.5 mm O.D., 2.1 mm I.D., 9.5 mm length
Physical
 
Dimensions
1/3U rack-mountable (screw-mount to standard rack tray, not included)
Height
1.75” (44.45 mm)
Depth
5.5” (139.7 mm)
Width
5.5” (139.7 mm)
Weight
5 lb. (2.27 kg)