LaChapell 983S


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SKU: LAC-983S Categories: , , Tag:
LaChapell Audio


The LaChapell Model 983S is a high quality tube preamplifier that integrates many of the key features that distinguish LaChapell Audio studio gear in a package developed for personal and professional studios as well as live sound applications. Based on the popular 583S, the 983S offers 2 channels of tube amplification in a single rack space unit.

In addition to the low profile single rack space design, the 983S has an ultra-low output impedance for unparalleled sound transfer across long cable runs such as are common in theaters and remote systems. You will find many of the features you expect from a piece of LaChappel Audio gear, including:

  • Input and Output knobs to dial in the perfect balance of warmth and definition for any application
  • 48V Phantom Power on each channel
  • Easy to access and identify illuminated front panel pad, polarity, mute and phantom power switches
  • Front panel Hi-Z input with auto-switching
  • Low pass and high pass filters on each channel
Specification Detail
Internal Gain 0 to >72dB
THD+N 0.25% (Variable)
Frequency Response 10Hz to 70KHz
Max Output (1% THD+N) +26dBu
Typical EIN -122dBu
Input Impedance 1.5KΩ
Tube Compliment 1 x 12AX7/ECC83

Stated specifications are typical measurements but subject to change without notice. All measurements taken while driving a 40kohm load with a 1khz source.

Additional information

Weight 9.9999 kg