Real Amp or Plug In? And Other Big Questions, FAQ Friday from Spitfire Studio London Hi everybody, hope you’re doing marvellously well. Welcome back to another FAQ Friday, this time from our satellite studio here in London at Spitfire Studio London, SSL as it were. Pale blue grey jumper, not big, bad, or dressed in black, however we press on regardless. We had a great set of questions this week, covering everything from real guitar amps versus plug ins, to using pedals in a mix, to vocal psychol