I loaded these IRs into my Fractal FM9 using a '65 Bassguy model. Here is the breakdown:
JBL D120s have a unique characteristic: they compress beautifully when hit hard. With a Tube Screamer or a Klon pushing the front end, this cab doesn't fart out. It holds together and gives you that classic Dumble-esque vocal quality. It is aggressive but polite. York Audio FTWN 212 D120 -WAV-
The York Audio FTWN 212 D120 is a digital impulse response (IR) library designed to replicate the sound of a specific vintage speaker cabinet. It is part of York Audio's line of premium cabinet impulse responses used by guitarists and producers in Digital Audio Workstations (DAWs) and modelers (such as Neural DSP, Line 6 Helix, Kemper, and Fractal). I loaded these IRs into my Fractal FM9