Transformer coupled Balanced inputs and Balanced Outputs  
Passive Pultec Equalizer. Inductor  
Hybrid gain make-up amplifier  
3 Step Switched EQ Low Freq Boost 30Hz, 60Hz, 100Hz +/-10%  
3 Step Switched EQ High Freq Boost 6kHz, 10kHz, 16kHz +/-10%  
3 Step Switched EQ High Freq Attenuation 10kHz, 15kHz, 20kHz +/-10%  
True Hardwire EQ Bypass  
Gold-plated PCB 
Upgradable with Lindell Audio’s Vintage OPA