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.