The REAPER Blog, a blog dedicated to information on the REAPER audio workstation, explains how users a plugin called ReaVerb to create the effect of a guitar speaker and microphone when used with a preamp emulation. They provide a detailed 10 minute video showing step by step how to achieve this, and then provide links at the end of the article to download needed plugins to make the process work, as well as The REAPER Blog’s social media links.
Read more: Using Guitar Speaker Impulse Responses In ReaVerb