Electro-Harmonix 12AY7 Mic Pre Class A Dual-Tube Microphone Preamplifier

Electro-Harmonix 12AY7 Mic Pre Class A Dual-Tube Microphone Preamplifier

Electro-Harmonix 12AY7 Mic Pre Class A Dual-Tube Microphone Preamplifier

B&H # EL12AY7MICPR MFR # 12AY7MICPREAMP
Electro-Harmonix 12AY7 Mic Pre Class A Dual-Tube Microphone Preamplifier

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  • 1Description

The 12AY7 Mic Pre from Electro-Harmonix is a Class A dual-tube microphone preamplifier. It is small, portable, and lightweight, allowing studios to place it near the microphone and run it line-level to recorders and monitor mixers. Using a 200V power supply, the 12AY7 Mic Pre has a wide dynamic range and up to 50 dB of gain to boost your microphone level up to line level. There are separate XLR and 1/4" balanced outputs, which can be used to split the signal for recording and monitoring in live performance applications. A FET current-balancing circuit eliminates noise and hum, allowing the tubes to amplify your microphone in a noise-free environment, and offers more than 80dB of CMRR.

The preamp also has a Phase Reverse switch that allows alignment at 0 or 180 degrees, as placement of multiple microphones on common sources can affect overall sound. Toggling this switch inverts the phase of 12AY7. Engaging the 48V phantom power supply produces a pop-free ramp up, and supplies 10mAh. The low-cut filter is useful for controlling proximity effect and reducing rumble from wind or vibration. Also included is a +4 dBu LED indicator to help you optimize your levels.

Wide dynamic range, warm tone, and accuracy
Dual-tube vacuum performance: 12AY7 preamp tube and 12AU7 output driver tube
Many older condenser microphones and all dynamic microphones can be easily employed
In the Box
Electro-Harmonix 12AY7 Mic Pre Class A Dual-Tube Microphone Preamplifier
  • 12AC-1000 Power Supply
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Bandwidth 80 kHz
    Gain 50 dB into high impedance load
    40 dB into 600 ohms
    Connectors XLR, balanced input
    XLR, balanced output
    1/4" phone jack, balanced buffered output
    Controls and Indicators Volume control
    Phantom power switch with soft start
    Phase reverse switch
    Low frequency filter switch
    1 x LED blue, Power
    1 x LED green, Phantom
    1 x LED orange, Overload
    Phantom Power 48 V
    Power Supply 200 V
    Packaging Info
    Package Weight 3.0 lb
    Box Dimensions (LxWxH) 10.8 x 6.5 x 4.3"

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