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Single Channel Tube Microphone Preamplifier

Model: Tube MP

USB Interface Output
Extremely Low Noise Discrete Front End
Up to 70dB of Clean, "Musical" Gain
High Output Signal Drive Capability
Fast FET Limiter to Prevent Overload

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The Tube MP is the world's most popular external tube microphone preamplifier. Whether you're working with a digital, computer or analog recording system, the Tube MP's TEC award nominated design will allow you to obtain professional recording studio results at a fraction of the cost of comparable equipment. The hybrid design of the Tube MP allows it to add warmth and fatness to a signal while maintaining exceptionally low-noise and high quality. While its primary application is to be used with a microphone, the Tube MP is an exceptional direct box - impedance matching, amplifying and improving the sound of any instrument plugged into it.

USB Interface Output
Extremely Low Noise Discrete Front End
Up to 70dB of Clean, "Musical" Gain
High Output Signal Drive Capability
Fast FET Limiter to Prevent Overload
Switch Selectable Input Impedance
Precision LED Metering
Built-in Low Noise Phantom Power Supply
Compact, Stackable all Aluminum Chassis
XLR and 1/4" Inputs and Outputs
Phase Invert Switch
High Cut Filter Switch
Variable Input and Output Controls
Windows 98SE/ME/2000/XP/Vista Compatible
Compatible with Mac OS 9.1 and newer

Preamplifier Signal Type - Audio
Warranty - Yes
Spec Sheet available - Yes

Dynamic Range: 100 dB
Maximum Input Level (dBu): 22 dBu
Depth: 6.50 in
Height: 1.75 in
Width: 5.90 in
Product Weight: 2.50 lbs
Regulatory Compliance: CE
Warranty (Length/Type): 1-year
AC Voltage (Maximum): 10 Volts
AC Voltage (Minimum): 9 Volts
Current Draw: 0.70 Amps
DC Voltage: 48 Volts
Frequency Response: 10Hz – 40kHz (+0, -1dB)
Dynamic Range: >100dB (20Hz to 20kHz)
THD: <0.05 % (typical)
CMRR: >60 dB (typical)
Equivalent Input Noise: -130 dB (XLR to XLR ‘A’ weighted)
Maximum Input Level: +16dBu (XLR), +17dBu (1/4”)
Maximum Output Level: +26dBu (XLR), +20dBu (1/4”)
Input Connections: ¼” unbalanced (1meg Ohm), XLR balanced
Output Connection: ¼” unbalanced (600 Ohm), XLR balanced (<300 Ohm)
Maximum Gain: 70dB (XLR to XLR), 50dB (1/4” to XLR)
Input Gain Switch: 20 dB
XLR Input Impedance: 4.7k Ohms / 600 Ohms, Switch selectable
High Pass Filter: -3dB @ 40Hz, Switch selectable
Output Limiter Type: Fast FET limiter, >20dB range, (+6dBu XLR, 0dBu ¼”)
Computer Interface: Fully compliant with USB 1.1 specification
USB Power requirements: 50 mA typical from USB bus
Signal Metering: Precise LED array, Fast attack, Musical release 30dB range, -15dB, -7dB, 0dB, Clip (+15dB)
Tube Type: 12AX7A hand selected
Chassis Type: All aluminum black anodized with integral rubber sides

om_tubemp.pdf 52 kb - Data Sheet