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

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-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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