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STUDIO PROJECTS VTB1 and B1 Bundle

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STUDIO PROJECTS VTB-1 and B-1 Bundle - VTB1 Valve Mic Pre, B1 Studio Mic, Shockmount and Mic Lead Bundle

We have put these two products together, with a free 6m mic lead, as a bundle. You will get a great valve pre-amp and the mic with a suspension mount and wind shield.

The Studio Projects B1 condenser microphone is a large diaphragm cardioid microphone in a pressure-gradient transducer employing high quality transformerless design and extremely low noise.

Studio Projects' B1 will enhance any professional or project studio application at an unbelievable low price. As a result of uncompromising dedication and today's advanced production abilities, Studio Projects has broken the barrier of quality vs price for today's recording studio environment.

Being versatile is the key in the recording arena, and the Studio Projects B1 is no exception. Equipped with a true 1 inch 3 um gold sputtered large diaphragm in a pressure gradient transducer capsule, the B1 will deliver the finest quality of vocal and instrumentation recordings in a wide variety of applications while offering a natural extended transparent high end, yet offer the thick bodied low end expected from a quality microphone.


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Applications:



• Close miking of instruments with high sound-pressure levels

• Announcer's mic for broadcasting/dubbing

• Home recording and project studios

• Vocalist recording

• Spot mic for: Wind instruments, strings, percussion and guitar amps



• Pressure-Gradient Transducer, 1" 3 um mylar capsule

• Selectable filters, 75Hz and 150Hz

• Selectable Pads, -10dB and -20dB



• Foam wind screen

• Zippered Bag

• Shockmount



• Type: FET 3 micron 1" large single diaphragm

• Polar pattern: Cardioid

• Frequency response: 20~20000Hz

• Sensitivity: -34dB,(0dB=1V/Pa)

• Output impedance: <200 Ohm

• Load impedance: >1000 Ohm

• Maximum SPL: 132db

• Noise: 12dB-A (IEC651)

• S/N: 82 dB

• Pad: -10dB or -20dB

• Low cut: 6dB/Octave at 150 Hz or 75Hz

• Power requirement: 48 +/- 4V

• Current consumption: <2.5mA

• Connector: Gold-plated 3-pin XLR

• Circuit: Transformerless circuit (featuring extremely low self noise and large dynamic range)


The Studio Projects VTB-1 is the ultimate in low cost mic preamplifier technology. Incorporating true class A/B 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.

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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

• 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

• Output Gain Control On Detented Pot

Applications:


• A superb vocal mic pre with warm transparent character

• Great for use as a Tube DI Box

• Great for production, broadcast, and voice over work

• Perfect for the professional and home project studio

• A quality vocal mic preamplifier suitable for all vocal styles

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)

• Distortion/Noise


• (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 response:


• (20-20kHz, ref 1kHz):

• -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

• Phase response:   <+/- 15 degrees

• Input impedance:


• 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

• Output impedance:


• Male-XLR Balanced Output: 100 ohms (50 ohms each leg)

• TRS Line Out: 300 ohms (Impedance Balanced)

• Insert Jack (TRS):

• Nominal level approx 0dBu

• Located between SS preamp stage and tube/output stage

• Tip=Send: 50 ohms output impedance

• Ring=Return: 7500 ohms input impedance