583S MK2 TUBE MIC PREAMP
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The world’s first vacuum tube mic preamp in a 500 series module! It is still the only 500 series module to properly power the tube with 250V of TrueTube™ technology. We do not starve the tube of voltages in any way unlike most 500 series tube designs. You can even max out a rack with 583 units with no power or heat issues.
Every component on the LaChapell 583S MK2 was carefully selected for sonic perfection from the Cinemag input transformer to the Jensen output transformer.
With dual drive knobs to separately drive the input and output, the 583S provides total flexibility to explore a broad sonic palette enhancing its versatility for all of your recordings. Leaning on the input stage, the 583S MK2 delivers vintage style tube warmth. The more you drive the input, the more harmonics are introduced. Backing off on the input but increasing the output results in gorgeous clean tones with some weight provided by the Cinemag and Jensens transformers.
An essential 500 series module for the modern professional and project recording studio!
583S MK2 PRODUCT FEATURES
FIRST TUBE MIC PRE 500 SERIES MODULE
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.
FRONT PANEL HI-Z INPUT
A 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.
DUAL DRIVE KNOBS
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.
VPR ALLIANCE CERTIFIED
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.
583S MK2 PRODUCT SPECS
| 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 |
583S MK2 TUBE MIC PRE USE EXAMPLES
Click the button below to see some examples of how the LaChapell Audio 583S MK2 mic preamp can be used.
CLEAN GAIN, HIGH HEADROOM
TUBE HARMONICS AND COMPRESSION
HEADROOM AND WARMTH583S MK2 USER GUIDES AND DOWNLOADS
583S MK2 REVIEWS AND QUOTES
“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
