Behringer 1273 Legendary 2-Channel Microphone Preamplifier with 3-Band Equalizers and Custom-Built Midas Transformers - Mic Preamp 2 Channel 1273

100% ORIGINAL

-Two-channel microphone preamplifier with 3-band equalizers, based on the classic 1073 design

-Class A, all discrete circuitry for highest signal integrity

-Custom-built Midas input and output transformers

-Versatile gain controls to handle various type of inputs including mic, line and instrument

-Electronically controlled resistor-stepped 80 dB rotary gain switch for extreme precision and low noise

-Tone function changes input transformer impedance for mic optimization

-Dedicated Phase, Tone, Insert, Line, Instrument, and Phantom Power switches for each channel

-Inductor-based switchable equalizers section with a passive third-order high-pass filter

-Low-frequency boost/cut at 35, 60, 110 or 220 Hz

-Mid-frequency boost/cut at 360, 700, 1600, 3200, 4800 or 7200 Hz

-High-frequency boost/cut at 10, 12 or 16 kHz

-5-position inductor-based high-pass filter, selectable for off, 50, 80, 160 or 300 Hz for each channel

-Transformer-balanced inputs and outputs on XLR/combo connectors

-High-precision 7-segment LED signal level meter for each channel

-Rugged 2U rack mount chassis for durability in portable applications

-Auto-ranging universal switchmode power supply

Spesifikasi :

-Audio Inputs

Microphone : Type: 2 x XLR, transformer balanced front, 2 x XLR, transformer balanced rear, Impedance: 300 ohm / 1200 ohm, balanced, Max. input level: +19 dBu, Gain: -20 to 80 dB, Mic EIN @ 80 dB gain, 22 Hz to 22 kHz: -125 dBu Unweighted, CMRR @ 60 dB gain: > 90 dB

Line : Type: 2 x 1/4" TRS in combi socket, transformer balanced front, 2 x 1/4" TRS, transformer balanced rear, Impedance: 10 kohm, balanced, Max. input level: +30 dBu (attenuated -34 dB), Gain: -20 to 80 dB, CMRR @ 0 dB gain: > 80 dB

Instrument : Type: 2 x 1/4" TRS, front, hi-Z via transformer, Impedance: 600 kohm, unbalanced, Max. input level: +30 dBu (attenuated -20 dB), Gain: -20 to 80 dB, Insert return: 2 x 1/4" TS

Audio Outputs : Type 2 x XLR, 1/4" TRS, transformer balance, Impedance < 80 ohm balanced, Max. output level: +28 dBu

Insert send : 2 x 1/4" TS

-System Specifications

Frequency response (microphone) : 20 Hz to 20 kHz, ±0.5 dB

Frequency response (line and instrument) : 20 Hz to 20 kHz, ±1 dB

Distortion (THD+N) :

Noise : < -83 dBu (20 Hz - 20 kHz unweighted)

Dynamic range : > 102 dB typical (20 Hz to 20 kHz unweighted)

Circuit: Class-A amplifiers, inductor based EQ

-EQ Section

Hi pass filter : 50 / 80 / 160 / 300 Hz (18 dB/octave)

Low-band frequency range : 35 / 60 / 110 / 220 Hz

Boost / cut : ±15 dB

Mid-band frequency range : 360 / 700 / 1600 / 3200 / 4800 / 7200 Hz

Boost / cut : ±15 dB

High-band frequency range : 10 / 12 / 16 kHz

Boost / cut : ±15 dB

-Controls

Buttons : 2 x 48 V phantom power, 2 x Polarity invert, 2 x Tone, 2 x Line, 2 x Insert, 2 x Inst, 2 x EQ in

Controls : 2 x Gain - 20 to 80 dB, 2 x Low ±15 dB, off to 220 Hz, 2 x Mid ±15 dB, off to 7.2 kHz, 2 x High ±15 dB, off to 16 kHz, 2 x Hi pass, off, 50 Hz, 80 Hz, 160 Hz, 300 Hz, 2 x Output level, zero (off) to 0 dB

Switch : On/off power switch

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