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LaChapell Audio 583S - 500 Series Tube Mic Preamp
LACHAPELL AUDIO 583S MK2
500 Series Tube Mic Preamp
MSRP: $1149

The LaChapell Audio Model 583s was the world’s first vacuum tube mic preamp designed for the 500 series format. It is still the only 500 series module to properly power the tube with 250V of TrueTube™ technology. Unlike some other vacuum tube mic preamps for the 500 series, we do not starve the tube of voltages in any way. And, since this all occurs within the 583 module, there is no worry of harming your 500 series power supply. With dual drive knobs to separately drive the input and output, the 583S provides total flexibility to explore a broad sonic pallet enhancing its versatility for all of your recordings.

LaChapell Audio 583S 500 Series Tube Microphone Preamp Angle Image

PRODUCT FEATURES

  • Lachapell audio 500 series modules icon

    FIRST 500 SERIES TUBE MIC PRE

    The 583s was the first ever tube mic preamp for the 500 series. It is extremely versatile, allowing a wide range of sonic options from clean to harmonically rich. It’s great for use on almost any source with almost any mic.

  • lachapell audio truetube power 250V icon

    TRUETUBE™ 250V POWER

    TrueTube™ technology supplies both the plate and filament of the tube with the proper voltages they need to access the full characteristics of the tube. Other designs cannot supply the needed 250V and don’t have the headroom or harmonics that characterize that classic tube sound.

  • lachapell audio hi-z input icon

    FRONT PANEL HI-Z INPUT

    The front panel Hi-Z input allows the 583S to be used as an instrument preamplifier. When a 1/4″ jack is inserted into the Hi-Z input, the 583S switches into instrument mode, bypassing the input transformer so the instrument accesses the tube directly.

  • Lachapell Audio dual drive icon

    DUAL DRIVE KNOBS

    The Dual Drive knobs on the 583S 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.

  • VPR Alliance certified 500 series module

    VPR ALLIANCE CERTIFIED

    The 583S is certified by the VPR alliance giving you the assurance that it operates within specifications. Even though we properly power the tube with 250V, the 583S draws no more power than other modules (and less than many). You can fill a properly powered frame with 583S mic preamp modules with no problems whatsoever.

  • lachapell audio tranformer icon

    BOUTIQUE QUALITY TRANSFORMERS

    With a Cinemag input transformer and Jensen output transformer, the 583S mic preamp maintains a boutique quality signal chain from I to O. Every aspect of the 583S has been designed for sonic quality that will last for generations.

PRODUCT SPECIFICATIONS

INTERNAL GAIN0 to >72dB
THD+N0.10% (minimum)
FREQUENCY RESPONSE10Hz to 50KHz
MAX OUTPUT (1% THD+N)+26dBu
TYPICAL EIN-121dBu
INPUT IMPEDANCE1.5KΩ
TUBE COMPLIMENT1 x 12AX7 / ECC83

583S MIC PRE USE EXAMPLES

Click the button below to see some examples of how the LaChapell Audio 583S MK2 mic preamp can be used.

DOWNLOADS

SELECTED QUOTES AND REVIEWS

“Another revolution was the first 500 Series module that featured a tube stage. Running a tube that requires 250V on a +/- 16V supply might seem impossible, but that is what engineers are for: accomplishing the impossible. It was a challenge, one that father/son team Mark and Scott LaChapell accepted for the LaChapell 583 tube preamp introduced in 2006… I have used the now-discontinued 583 (two slot model) for many recordings and it’s a very sweet piece of gear that doesn’t sound compromised in any way. Presently there’s a double-slot 583e with EQ and the newest 583s Mk2 that fits in a single slot.” Lynn Fuston 

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