Comparison: Jet City Amps Jettenuator Vs THD Hotplate. Cranked 50W Marshall JCM800 4010 (1983) with a Pulsonic Celestion G12H30 55Hz Greenback (1971). Both settings on the Jettenuator are close to 1. The settings on the Hotplate are on the 16dB mode with the analog knob on 9 o clock and 12 o clock. Close mic Unidyne 548 and room mic AKG C414. Studio Connect 48 interface and Cubase.