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Manley Labs Force

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MFORCE - Four Channel Vacuum Tube Microphone Preamplifier

Manley FORCE™ is a four channel vacuum tube microphone preamplifier extracted from the hugely popular and award winning Manley CORE®, housed in an exquisitely gorgeous chassis. FORCE incorporates the same proprietary hand-wound Manley Iron® mic input transformers and 12AX7 vacuum tube amplifying stage operating from 300 V rails. Each channel includes a high-impedance, ¼” instrument input as well as an XLR microphone input. On the front, each channel features a 120 Hz high-pass filter, variable input-level pad, phase invert, selectable +48V phantom power, and a high/low gain switch. The CNC machined faceplate features seven-way LED metering for each channel providing instant visible feedback for audio levels. The universal power supply accepts any voltage or frequency from anywhere in the world facilitating travel for international recording projects. As with all Manley gear, each unit is painstakingly hand-wired using silver solder and audiophile-grade components, and hand-built in California.

The Manley Force: a killer mic pre, times four!


- Four-channel mic preamp
- Microphone Input (XLR) per channel
- Hi Z Instrument Direct Input (TRS) per channel
- 7-LED Peak Level Meter per channel
- Main Output (XLR) per channel
- Microphone Pre selectable gain switch 40dB or 60dB per channel
- 120Hz Highpass Filter switch per channel
- Phase Invert switch per channel
- 48V Phantom power switch per channel
- Input Level Attenuator (Variable Pad) per channel
- Manley Microphone Input Transformer per channel
- Class A Vacuum Tube Gain Stage per channel
- MOSFET White Follower output stage per channel
- Warm-up mute timer circuit
- 2U rackmount chassis
- Front panel power LED (flashing during start-up)
- Front panel push button power switch

Technical Specifications

- Preamp Type: Tube
- Number of Channels: 4
- Phantom Power: +48V
- Analog Inputs: 4 x 1/4", 4 x XLR
- Analog Outputs: 4 x XLR
- Dimensions: 19" / 2 U
- Weight: 3,9 kg