LaChapell Audio Model 583e 500 Series 3-band Equalizer

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  • Ultra-clear and phase-coherent transformerless 3-band EQ
  • 12AX7 tube preamplifier with Jensen JT-115k transformer-based input stage
  • EQ input resistance: 40 Kohms
  • EQ output resistance: 50 Kohms
  • EQ bands: Low: 30Hz-40Hz; Mid: 325Hz-5kHz; High: 2.5kHz-20kHz
  • Preamp gain range 0dB-70dB
  • Preamp THD+N (gain @50dB, 0dBu output): < 0.25
  • Preamp frequency response (-3dB, output favored): 12Hz-70kHz
  • Preamp input impedance (mic) 1.5 Kohms, (hi-Z) 40 Kohms
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SKU: LACHAP-583E-500S Categories: , ,

Two Amazing Modules in One

LaChapell Audio Model 583e is a 500 Series 3-band EQUALIZER with Transformer isolated Tube Preamp and a Transformerless EQ section using 12AX7 tube preamplifier with Jensen JT-115k transformer-based input stage.The Model 583e EQ by LaChapell Audio is a tube preamp and ultra-clean 3-band EQ that features the same impressive Jensen JT-115k transformer-based input stage as that found in the Model 583s. There are two sections in the Model 583e: the preamp section and the EQ section. The preamp section features plenty of character, including the warmth and dynamic range of a 12AX7 tube. Each band of the completely transformerless EQ features a fixed Q with very low phase deviation, offering you completely transparent control over your sound. The EQ also sports a fully sweeping frequency control and a cut/boost range of +/-8dB. And since you can use the Model 583e’s preamp and the EQ stages completely independently from one another, you’re in complete control over the character, the coloration, and the expression of your audio.

 

LaChapell Audio Model 583e 500 Series 3-band Equalizer

MASTERING QUALITY EQ

The 503 is a super quiet and transparent EQ that has been meticulously designed to minimize phase artifacts. It is a great complement to any studio recording chain, mix down or marstering process.

 

3-BAND EQ

The three band EQ with a +/- 12 dBu cut or boost range provides plenty of power for subtle or drastic tone shaping.

 

HIGH AND LOW PASS FILTERS

Switchable filters with two ranges per filter. The HPF offers 50 Hz and 150 Hz options. The LPF filters at 5K or 10K.

 

 

WIDE FREQUENCY RESPONSE

The 503 features an incredible range of 10Hz to 50Khz. This ensures adjustments to the edges of the audible spectrum are not cut off prematurely.LaChapell Audio Model 583e 500 Series EQ and Preamplifier Features at a Glance:

  • Ultra-clear and phase-coherent transformerless 3-band EQ
  • 12AX7 tube preamplifier with Jensen JT-115k transformer-based input stage
  • EQ input resistance: 40 Kohms
  • EQ output resistance: 50 Kohms
  • EQ bands: Low: 30Hz-40Hz; Mid: 325Hz-5kHz; High: 2.5kHz-20kHz
  • EQ cut/boost: +/-8dB
  • EQ max input: +24dBu
  • EQ max output: +26dBu
  • EQ self-noise: -93dB
  • EQ THD+N: 0.012% (with +8dBu input signal)
  • Preamp gain range 0dB-70dB
  • Preamp THD+N (gain @50dB, 0dBu output): < 0.25
  • Preamp frequency response (-3dB, output favored): 12Hz-70kHz
  • Preamp input impedance (mic) 1.5 Kohms, (hi-Z) 40 Kohms
  • Preamp tube: 1 x 12AX7
  • Total weight: 3.5 lbs.

 

Tech Specs

    • Number of Channels:1
    • Tube:Yes
    • Number of Bands:3-band
    • Boost/Cut Range:±12
    • Q Type:Fixed
    • Freq Range High:5kHz-20kHz
    • Freq Range Mid:325Hz-5kHz
    • Freq Range Low:30Hz-400Hz
    • Frequency Response:10Hz-50kHz
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LaChapell Audio Model 583e 500 Series 3-band Equalizer

LaChapell Audio Model 583e 500 Series 3-band Equalizer

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