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LaChapell Audio

LaChapell Audio 583S MK2 Tube Mic Preamp

SKU #L57401000000000
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Overview

All-purpose mic pre.

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.

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.

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 500 series modules cannot supply the needed 250V and don’t have the headroom or harmonics that characterize that classic tube sound.

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 vacuum tube and the second knob drives the output stage. Together, you can dial in sounds from pristine to warm and harmonically rich.

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.


Order today for versatility and color on any signal, any mic.

Specs

583S MK2 Tube Mic Preamp Specifications:

  • Internal gain: 0 to >72db
  • THD+N: 0.10% (minimum)
  • Frequency response: 10hz to 50khz
  • Max output (1% thd+n): +26dbu
  • Typical ein: -121dbu
  • Input impedance: 1.5kω
  • Transformers: cinemag (input)
  • Jensen (output)
  • Tube compliment: 1 x 12AX7 / ECC83
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