

Note too that although software can model most aspects of a guitar amplifier, it can't model the high-impedance input socket of a typical guitar amp, so you should record either via a high-impedance DI box or a preamp with an instrument input. Logic users should be aware that you can't record through plug-ins in any version prior to 5.2, but it's simple to set up a workaround that lets you monitor the effects of the plug-in as a 'live input' while recording the clean guitar part onto another track, though this usually means linking two physical inputs on your audio interface/card.

Amplitube can be used as a software preamp to 'record through' where the host software allows, or it may be used to process guitar tracks on playback, giving you the choice of how to work. Guitar amp modelling has become familiar territory since Line 6 launched their Pod hardware unit, but the advantage of a software amp modeller is that you can record a track dry and then create any guitar sound you like when mixing. Think of it as a physically modelled intermittent guitar lead! Authorisation is via a challenge and response system, prior to which the software runs in demo mode with regular interruptions of white noise. Available for Mac and PC, it works within any VST-compatible host software as well as supporting RTAS/HTDM for Pro Tools users (see System Requirements box). IK Multimedia are already well known for their T-Racks mastering program and Sampletank software sound module, and their latest product is a guitar amp modelling program called Amplitube. Now, however, IK's Amplitube looks set to provide some serious competition. Digital hardware that models classic guitar amps has been big business in recent years, but in the software field Line 6's Amp Farm has had the market to itself.
