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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
Every so often an iconic piece of hardware takes the music industry by storm and transforms into a beloved fixture in studios worldwide. The 1073 was one such piece of gear. A mic preamp with a unique voice and rich sound, it became famous for shaping the sounds of many music generations, from the grit of ‘70s rock and roll, to the polished pop of the ‘80s. It was a staple in renowned studios like Abbey Road, Sound City, and Capitol Studios and influenced iconic tracks like Led Zeppelin’s “When the Levee Breaks” as well as The Who’s “Who’s Next.”
Today, we pay homage to that iconic studio cornerstone with the Behringer 1273, a two-channel microphone preamplifier, with built in EQ. The 1273 is more than just a remake. Developed with one of the original engineers, their valuable knowledge and experience ensures that the 1273 not only remains faithful to the original but is able to meet the demands of modern production.
The 1273 is built around a Class A discrete circuit which ensures the highest signal integrity with minimal coloration. Each input and output stage is equipped with a high-quality, custom-built Midas transformer that’s great for maintaining signal clarity and integrity. The 1273 also has versatile gain controls for each channel for various input types such as mic, line and instrument, providing comprehensive control and flexibility for different recording scenarios. And if you’re switching between different mics like a dynamic to a ribbon, pressing the tone switch adjusts the transformer impedance for whatever mic is in use. Great for when your using vintage microphones.
| Microphone |
Type: 2 x XLR, transformer balanced front Impedance: 300 Ω / 1200 Ω, 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 Impedance: 10 kΩ, 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 kΩ, unbalanced Max. input level: +30 dBu (attenuated -20 dB) Gain: -20 to 80 dB Insert return: 2 x 1/4" TS |
| Type |
2 x XLR, 1/4" TRS, transformer balanced |
| Impedance |
< 80 Ω balanced |
| Max. output level |
+28 dBu |
| Insert send |
2 x 1/4" TS |
| 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) |
<0.01% @ 1 kHz, +4 dBu |
| 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 |
| 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 |
| Buttons |
2 x 48 V phantom power |
| Controls |
2 x Gain - 20 to 80 dB |
| Switch |
On/off power switch |
TOA is a global leader in professional PA, voice-alarm, and conference systems. Techniline is the authorised TOA distributor for the UAE & GCC — supplying, specifying, and supporting the full range with regional warranty and manufacturer-backed support.
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