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583E TUBE MIC PRE WITH EQ

Description

500 SERIES TWO IN ONE CHANNEL STRIP WITH PREAMP AND EQ

The LaChapell 583E is a tube mic pre with EQ that works with any 500 series chassis. The 583E tube mic pre has an EQ section that can function in series with the preamp or independently as a preamp and an EQ. The 583E tube mic pre features a single channel vacuum tube preamplifier with LaChapell’s proprietary TrueTube™ technology. TrueTube delivers 250V to the tube, properly powering it so that it operates at its full potential. Most other tube designs for the 500 series leave the tube starved for power. Cinemag input transformers, Jensen output transformers and other high quality components have been carefully selected to ensure the signal chain is not compromised.

In addition to the preamp, the 583E features an ultra-clean EQ section. It can follow the preamp or operate as a separate module. Address either of the two XLR inputs on a 500 series chassis to access either the preamp or the EQ or both in series.

The EQ draws from the LaChapell 503 500 series module. It features the same very low distortion signature with minimal phase deviation. Perfect for tracking or mixing, the 583E tube mic pre with EQ is great on any source.

Features

  • FIRST 500 SERIES TUBE PREAMP
    The 583 series was the first ever tube 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.
  • DUAL DRIVE KNOBS
    The Dual Drive knobs on the 583E provide an incredible array of tonal options. Favoring the input knob will increase the signal going into the tube, resulting in more harmonics and overall distortion. Favoring the output know yields a very clean signal. Together, you can dial in sounds from pristine to warm and harmonically rich.
  • 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 tube preamp designs cannot supply the needed 250V and don’t have the headroom or harmonics that characterize that classic tube sound.
  • TWO MODULES IN ONE
    The clean and transparent EQ section on the 583E can operate immediately following the tube preamp section, or as its own separate module. When combined, the output of the preamp and EQ appears on the “Preamp Side” XLR outputs. When independent, the in and out of the “EQ Side” operate separately. Use as a complete channel strip or as two separate 500 series modules.
  • BOUTIQUE QUALITY TRANSFORMERS
    With a Cinemag input transformer and Jensen output transformer, the 583E maintains a boutique quality signal chain from I to O. Every aspect of the 583E has been designed for sonic quality that will last for generations.
  • FRONT PANEL HI-Z INPUT
    The front panel Hi-Z input allows the 583E to be used as an instrument preamplifier.  A front panel switch allows the user to alternate between the front panel Hi-Z input and the built in inputs on the 500 series chassis.

Specs

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 CMMI-10PCA (INPUT)
JENSEN JT-11-DM (OUTPUT)
   TUBE COMPLIMENT 1 x 12AX7 / ECC83
EQ SPECIFICATIONS
   NOISE FLOOR -95dB
   THD+N 0.012% (@ +4 output)
   FREQUENCY RESPONSE 10Hz to 50KHz (flat)
   CUT / BOOST RANGE +/- 8dBu
   MAXIMUM INPUT LEVEL ≥25dB
   INPUT IMPEDANCE 48KΩ
   INPUT / OUTPUT TYPE TRANSFORMERLESS

Reviews & Quotes

“I use the LaChapell 583E mostly for overheads and acoustic instruments. I use a stereo ribbon mic on overheads The 583E has a very smooth top end and with the EQ I can add just the right amount to brighten up the very top without it sounding harsh, the high end stays nice and silky. It also is very quiet when used on acoustic guitars with a ribbon mic. Overall a very clear and open mic pre.” Mike Wagener of Wireworld Studios

The microphone preamp side of the 583E is identical to the 583S. Please see the reviews on the 583S MK2 page.