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Behringer 1273 Mikrofonforforsterker
The Behringer 1273 is a 2-channel microphone preamplifier and equalizer in a 2U rack format, built around an all-discrete Class A circuit with custom Midas input and output transformers. It delivers up to 80 dB of clean, resistor-stepped gain and adds an inductor-based 3-band EQ plus a 5-position high-pass filter to every recording. Front-panel instrument inputs and a Tone button for impedance matching round out the feature set.
- Custom Midas input and output transformers on every channel preserve signal integrity and add the subtle coloration associated with classic British preamps.
- Resistor-stepped rotary gain switch provides up to 80 dB of adjustment per channel for precise, repeatable level setting on any source.
- This model features an inductor-based 3-band EQ with selectable frequencies (35/60/110/220 Hz, 360–7200 Hz, 10/12/16 kHz) to shape tone with vintage musicality.
- Combo XLR/jack mic-line inputs, dedicated instrument inputs, insert points, phantom power, polarity switch, and a Tone button that switches transformer impedance for ribbon and vintage mics.
Behringer 1273 — 2-Channel Microphone Preamplifier and Equalizer
The Behringer 1273 is a 2-channel microphone preamplifier and equalizer that distills the sound of the legendary British 1073 console module into a single 2U rack unit. Built around a fully discrete Class A signal path with custom Midas input and output transformers, it delivers up to 80 dB of clean, resistor-stepped gain per channel.
Custom Midas Transformers and Tone Switching
Each channel carries custom-built Midas transformers on both the input and output stages, supplying the harmonic character of classic British preamps. A dedicated Tone button switches the input transformer impedance to optimise the load for ribbon and vintage dynamic microphones.
Preamp Performance and Headroom
The discrete Class A topology and resistor-stepped gain network give the unit quiet, repeatable level control.
- Number of Channels: 2 — full stereo or dual-mono recording capabilities are available in one rack unit.
- Maximum Gain: 80 dB — handles low-output ribbon and dynamic microphones
- Phantom Power: Yes (48 V, per channel) with polarity switch and Tone button for impedance matching
Inductor-Based 3-Band EQ and High-Pass Filter
The 3-band equalizer uses inductor-based rotary switches, delivering the broad, musical shaping response of the original 1073. A passive third-order high-pass filter with five selectable frequencies cleans up rumble.
- Low Band: 35 / 60 / 110 / 220 Hz — shapes warmth and weight
- Mid Band: 360 / 700 / 1600 / 3200 / 4800 / 7200 Hz
- High Band: 10 / 12 / 16 kHz — opens or tames the air on cymbals
Connectivity and Rack Integration
Every input and output runs through the Midas transformer stage, with balanced XLR and 6.3 mm jack connections on the front and rear panels. Front-panel Hi-Z instrument inputs accept guitars and basses directly.
- Inputs: Balanced XLR/Jack 6.3 mm combo, Jack 6.3 mm instrument, XLR mic, 6.3 mm insert return
- Outputs: XLR main, Jack 6.3 mm line, 6.3 mm insert send
- Rack Format: 19-inch / 2U with 7-segment LED meter per channel
Number of Channels
2
Phantom Power
Controls
Gain (2 x), 3-Band EQ (2 x), High Pass (2 x), Output level (2 x), Polarity Switch (2 x), Tone (2 x), Phantom (2 x), EQ (2 x), Instrument (2 x)
Inputs
Balanced XLR/Jack 6.3 mm Combo (2 x), Jack 6.3 mm (4 x), Return (2 x), XLR (2 x)
Outputs
Send (2 x), XLR (2 x), Jack 6,3mm (2 x)
Compressor
Power Supply
IEC, 100V - 240V
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