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EAR 824 Mic Pre

EAR 824M valve microphone preamplifier
MFR# 824-M
EAR 824 Mic Pre
or $280/month for 60 months Based on 60 monthly payments of $280 on approved credit (OAC). Learn more about leasing
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The EAR 824 Mic Pre is a versatile device for use as an upgrade from standard mic amps or as a level booster and line driver for use with any microphone.

Power is available as either 48V phantom powering or as other optional configurations including 130V for the B&K line of mics.   With the optional EAR matching transformer ribbon microphones can also be accommodated.  Gain is switchable from 16dB to 60dB in 4 dB steps (2 dB steps available as an option) to cover all applications.

Onboard M/S decoding can be provided as a custom order.  Output is balanced via a wideband transformer with impedance suitable for driving long lengths of high-grade cable.

This amplifier enables the user to extract the maximum from any microphone with the minimum of signal degradation.  A fully thought out product rather than an afterthought as often provided by microphone manufacturers, it applies the same expertise in audio amplifiers as has made the EAR power amplifiers famous.


  • Input impedance: 600 ohms (standard phantom power version)
  • Output impedance: 650 ohm, balanced and floating
  • Maximum output level @ 1% distortion: +26dBm into 600 ohms
  • Microphone power: up to 7mA available per microphone

Additional Information

Condition New
Channels Single-Channel
Chassis 19-in Rackmount
Module Slot Count No
Rack Spaces 2u
Direct Input No
Digital I/O No
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