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983 SERIES

The LaChapell 983S MK2 is a two channel tube mic pre featuring the innovative True48™ dynamic phantom power supply. 

True48  improves the performance of your condenser mics. Current 48V supplies dip in voltage as the source load changes (such as periods of high transients on many mics). True48 evens out the voltage supply, giving mics greater headroom, quicker transient recovery and a smoother less distorted response.

Each channel on the LaChapell 983S MK2 features a Cinemag input transformer, an ECC83/12AX7 vacuum tube, Jensen output transformer and Burr Brown & THAT Corporation line drivers. Each component in signal path is of the highest quality, carefully selected to sound beautiful and last long.

This mic pre is capable of stunning clean tones and harmonically rich driven tones. Exceptional on nearly any source, the 983S MK2 features high and low pass filters with selectable roll-off frequencies, channel mute, front panel Hi-Z input, pad and polarity switches.

983S MK2 TUBE MIC PREAMP

$1999.99
PRODUCTS SPECS

INTERNAL GAIN

THD+N

FREQUENCY RESPONSE

MAX OUTPUT (1% THD+N)

TYPICAL EIN

INPUT IMPEDANCE

TUBE COMPLIMENT

TRANSFORMERS

0 to >72.5dB

0.01% (minimum)

9Hz to 40KHz

+26dBu

-124dBu

1.5KΩ

2 x 12AX7 / ECC83

CINEMAG CMMI-10PCA (INPUT)
JENSEN JT-11-DM (OUTPUT)

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DUAL DRIVE KNOBS

The Dual Drive knobs on the 983S mic pre provide an incredible array of tonal options. The input knob drives the input to the first vacuum tube and the second knob drives the input to the output tube. Together, you can dial in sounds from pristine to warm and harmonically rich.

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BEST IN CLASS PERFORMANCE

Everything in the 983S mic pre is designed to be best in class. Every component, transformer, wire and tube has been meticulously selected for performance and longevity.

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FRONT PANEL HI-Z INPUT

The front panel Hi-Z input allows you to plug a bass or other instrument directly into the 983S. As an instrument front end, the 983S allows for natural tube compression and harmonics to any input source.

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TRUE48 Dynamic Phantom Power

True48 is a dynamic phantom power supply that provides a steady power supply for your condenser and active microphones. Standard phantom power supplies often do not deliver enough power for today’s microphones. True48 ensures your mics get the power they need which results in higher headroom, quicker transient recovery, and smoother response.

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LOW NOISE AND OUTPUT IMEDANCE

The ultra low output impedance of the 982S mic pre means you can run long cables from the stage to front of house or from studio room to studio room. The ultra low noise means you can record any source with confidence that you are only recording what you WANT to record.

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PAD SWITCH FOR MORE TONAL OPTIONS

The pad switch not only provides a -20dB gain reduction for high input sources, it also works with the Dual Drive knobs to create color and headroom options. Engage the pad and dial in warm tones with lots of headroom.

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HIGH AND LOW PASS FILTERS

Independent High and Low Pass Filters maximize control over your recorded or live signal.

983S MK2 TUBE MIC PRE USE EXAMPLES

Click the button below to see some examples of how the LaChapell Audio 983S Mk2 tube mic preamp can be used.

983S MK2 USER GUIDE AND DOWNLOADS

983S MK2 USER GUIDE

983S MK2 SPECIFICATION SHEET

USE EXAMPLE

REVIEWS

“I’ve been using the 992 now for several years and it is my “go to” mic/line instrument preamp for all of my recordings. It is clean and any mic or instrument that I plug into it sounds good. I use it for acoustic guitars, vocals and other instruments as well. It is a fine piece of professional recording gear that I highly recommend!” 

 Phil Keaggy, Guitarist