Studio Projects VTB1 Variable Tube Studio Mic Preamp

The new Studio Projects VTB 1 is the ultimate in low cost mic preamplifier technology. Incorporating true class AB switching, the VTB 1 is a totally discrete circuit. Unique to the VTB 1 is the Tube Drive. The Tube Drive is a variable drive to a 12AX7, that allows the user to blend as little, or as much of the Tube Drive they want. This VTB 1 allows the user the most flexibility of any mic preamplifier in it's price class. The VTB 1 allows you to go from a pristine solid state sound, to any combination of Tube Drive you choose...even hard distortion for guitars and bass! The VTB 1 is must have device as the perfect mic preamplifier for any microphone! Features 48 Volt Phantom Power Phase Reverse

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Variable Input Gain Control On Detented Pot 14 D.I. Jack On Front Panel High Pass Filter Descrete Solid State Class AB Design TRS Insert MicLine Switch VariableTube Blend On Detented Pot Meter Read Select Between Input and Output level Switchable Impedance between 50200 Ohm 5 position LED metering XLR mic input Balanced outputs on XLR and 14 External AC Power Supply For extreme Low Noise Operation Output Gain Control On Detented Pot Specifications Maximum Gain Mic In to Bal Out 72dB 60dB preamp gain, 12dB output gain Line In to Bal Out 42dB 30dB preamp gain, 12dB output gain DistortionNoise THD Noise 20dBu input Mic; 0dBu input Line Both measured at 15dBu output Mic or Line In to Bal or Line Out <0.0015% Blend set full CCW no tube Mic EIN 128dBu 150 ohm source, 60dB gain Frequency response20 20kHz, ref 1kHz 20dBu input, 15dBu output Mic In to Bal Out 0 0.25 dB 0dBu input, 15dBu outputLine In to Bal Out 0 0.5 dB Phase response 20 20kHz, either input < 15 degrees Input impedance Mic Input Rear switch in 200 ohm position 2000 ohmsMic Input Rear switch in 50 ohm position 300 ohms Line Input Front panel TRS jack 1.5 meg ohms Output impedance Male XLR Balanced Output 100 ohms 50 ohms each leg
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