Electro Harmonix 12AT7EH Vacuum Tube VST Plugins Coated Ambassador® heads are the

Coated Ambassador® heads are the standard of the industry for both live and recording situations

Daptone Studios

Great for coaxing thunderous volume from acoustics guitars

The FET limiter works great on mixes

Electro Harmonix 12AT7EH Vacuum Tube VST Plugins Coated Ambassador® heads are theElectro Harmonix 12AT7EH Vacuum Tube Electro Harmonix is rocking the vacuum tube community with the superior quality of the "EH" series tubes. Electro Harmonix sound effects are world renown for the soulful warmth of their analog sound and their line of "EH" premium tubes continues in this tradition of classic tone. Their brand new 12AT7EH!