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180360000000000

Middle Atlantic VTB-1 Tube Blend Mic Preamp   

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The VTB-1 from Studio Projects is a low-cost, single-channel tube blend mic preamplifier that incorporates true class A/B switching. The VTB-1 is a t...Click To Read More About This Product

Available 08-14-2017

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OVERVIEW

Single-channel mic preamp with Tube Drive.

The VTB-1 from Studio Projects is a low-cost, single-channel tube blend mic preamplifier that incorporates true class A/B switching. The VTB-1 is a totally discrete circuit with a unique "Tube Drive" function that gives you the ability to blend as little, or as much of the Tube Drive as you want. The VTB-a 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, making this a must have mic preamp for any recording application.

FEATURES
  • 48 Volt Phantom Power
  • Phase Reverse
  • Variable Input Gain Control On Detented Pot
  • 1/4" D.I. Jack On Front Panel
  • High Pass Filter
  • Descrete Solid State Class A/B Design
  • TRS Insert
  • Mic/Line Switch
  • VariableTube Blend On Detented Pot
  • Meter Read Select Between Input and Output level
  • Switchable Impedance between 50/200 Ohm
  • 5 position LED metering
  • XLR mic input
  • Balanced outputs on XLR and 1/4"
  • External AC Power Supply For extreme Low Noise Operation

Choose your sound with this versatile mic preamp, order today.

SPECIFICATIONS

VTB-1 Tube Blend Mic Preamp

  • Mic In to Bal Out: 72dB (60dB preamp gain, 12dB output gain)
  • Line In to Bal Out: 42dB (30dB preamp gain, 12dB output gain)
  • -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)
  • -20dBu input, +15dBu output
  • Mic In to Bal Out: +0 /-0.25 dB
  • 0dBu input, +15dBu output
  • Line In to Bal Out: +0 /-0.5 dB
  • <+/- 15 degrees
  • Mic Input (Rear switch in 200 ohm position): 2000 ohms
  • Mic Input (Rear switch in 50 ohm position): 300 ohms
  • Line Input (Front panel TRS jack): 1.5 meg ohms
  • Male-XLR Balanced Output: 100 ohms (50 ohms each leg)
  • TRS Line Out: 300 ohms (Impedance Balanced)
  • Nominal level approx 0dBu
  • Located between SS preamp stage and tube/output stage
  • Tip=Send: 50 ohms output impedance
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