SVT-410HLF - Welcome To Ampeg PDF fileSVT-410HLF4x10 Bass Cabinet Your Ampeg SVT-410HLF 4x10 Bass enclosure is a high-quality two-way speaker cabinet suitable for all sizes of ven-ues. The cabinet features heavy duty recessed handles, an industrial strength grip bar, and heavy duty rear wheels. Skid rails are placed on the back of the enclosure to protect it Ampeg SVT 410HE Schematics | TalkBass Looks identical to the HLF wiring diagram. I understand and agree with all of your points and that's obviously why I posted here to hopefully get some solid answers. I'll trust the schematic sent to me from the Ampeg support tech. but the fact that the schematic for the HE and the HLF are identical. just seems weird. Ampeg: Classic Series - SVT-410HLF The SVT-410HLF also delivers superb top-end, thanks to its 1” horn driver, strategically crossed over at 4kHz. This is a favorite enclosure for such artists as Meshell Ndegeocello, John McVie of Fleetwood Mac, and Ricky Skaggs’ bass player, Mark Fain.