Tech 21 Hot-Rod Plexi
Rough cut A/B comparison of the Hot-Rod Plexi pedal and a 1968 Plexi head, using an ESP LTD Viper 1000.
See Comparison #2 with a Strat here:
http://www.youtube.com/watch?v=R6RazTBeudc
See Comparison #3 with a Les Paul here:
http://www.youtube.com/watch?v=qpxZeYpkkBI
See the Hot-Rod Plexi with a Fender 1x12 tube combo here:
https://www.youtube.com/watch?v=SyxaRpPk7QM
tech21nyc.com
http://tech21nyc.com/products/effects/plexi.html