583e 500-series Tube Mic Preamp with EQ
The Model 583E features the same amplifier stage found on the 583S including the Jensen JT-115k input transformer coupled with an ultra-clean transformer-less three-band EQ section with fully sweeping frequency controls and cut/boost settings of +/- 8dB. The EQ can run as an integrated EQ serving the preamplifier or separate as its own autonomous module where both units run independently.
LaChapell Audio 583e Mic Pre/EQ Features:
True Vacuum Tube Amplifier.
Jensen Microphone Input Transformer.
Nickel/Alloy Output Transformer.
Accessible Tube Section.
Integrated OR Independent 3-band EQ.
|Internal Gain||0 to >70dB|
|Frequency Response||12Hz to 70KHz|
|Max Output (1% THD+N)||+26dBu|
|Tube Compliment||1 x 12AX7/ECC83|
|THD+N||0.012% (@ +4 output)|
|Frequency Response||10Hz to 50KHz (flat)|
|Cut / Boost Range||+/- 12dBu|
|Maximum Input Level||≥25dB|
|Input / Output Type||Transformerless|
Stated specifications are typical measurements but subject to change without notice. All measurements taken while driving a 40kohm load with a 1khz source.