AMS Neve | 1073LB Single Channel Mic Preamp Compatible with 500-series

By | AMS Neve

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Everyone’s favourite preamp, with 500 series convenience

Designed and manufactured in England, the 1073LB uses the same architecture as the original 1073® preamplifier, conveniently packed into a single 500 series module. This compact design uses matched components and original hand-wound transformers to produce the world-famous 1073 sound.

Marinair® Transformers

Exclusive Marinair® transformers are used on the microphone input, line input and line output stages to produce that classic 1073® sound.

Class A Design

Packing the classic 1073® into a 500 series module was no small feat! The 1073 class-A circuit design is faithfully maintained in the 1073LB.

Classic Gain Control

The classic 5dB stepped Elma switch delivers accurate gain staging throughout 1073’s high output gain range. This unique layout means there is no need for a mic/line switch; the pot itself selects the correct preamp and input.

Unique Gain Staging

Three different gain stages, provided by two independent transistor-based preamplifiers, provide gain for any line input or microphone signal.

High Output - Harmonic Saturation

The 1073LB combines multiple gain stages, meaning the 1073LB preamp can deliver up to 80dB of microphone gain; this brings out the musical drive and harmonic saturation that the 1073® is famous for.

Phase Invert

The 180-degree phase invert feature is handy in multi-microphone setups with multiple preamps, ideal for top and bottom snare micing.

Front and Rear Inputs

The 1073LB can be integrated into your studio via the rear inputs, patched, and ready to go with the front input ready to plug into to record quickly.

Lo-Z Impedance

With settings of 1.2kΩ and 300Ω, the 1073LB impedance can be optimised for use with a wide range of modern or vintage microphones.

General Specification

  • Classic transformer microphone preamp amp (Class A design)
  • Exclusive Neve® Marinair® transformers used on input and output stages
  • Both Mic and Line inputs are transformer balanced and earth free
  • Gain knob with Signal Presence LED
  • +5/-20dB level Trim control with integrated phantom power on/off switch
  • Phase, Impedance and Front Input selector switches
  • Front combi-XLR connector with intelligent switching of phantom power
  • Audio Processing Insert design allows processing from adjacent 1073LBEQ and/or 2264ALB modules to be inserted into the 1073LB signal path (pre-output stage)
  • Crafted in England by Neve® Engineers
  • Compatible 500-series rack/enclosure with Power Supply and line-level input/output connectors required, not supplied.

Audio Performance

  • Microphone Input: Gain -80db to -20dB in 5dB steps
  • Line Input: Input impedance 4k ohms bridging, gain -20dB to +10dB in 5dB steps
  • Output: Max Output +28dBu – Output Impedance 75Ω @ 1kHz
  • Output is transformer balanced and earth free
  • Distortion: Not more than 0.07% from 50Hz to 10kHz at +20dBu output
  • (80kHz bandwidth)
  • Freq Response: ±0.5dB 20Hz to 20kHz, -3dB at 40kHz
  • EIN: Better than -125dBu @ 60dB gain
  • Noise: -82dBu at all Line gain settings (22Hz to 22kHz bandwidth)


  • Width: 38mm (1.5 inches)
  • Height: 132mm (5.25 inches)
  • Depth: 145mm (5.75 inches)
  • Weight 1.1Kg (2.5 pounds)


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