sentences:  The company's first product was the 2 × 20W P40 integrated amplifier, which was created by a team that included Gordon Edge and Peter Lee.In addition to an advanced technical specification the P40 had a slim case design by Roy Gray, from Woodhuysen Design.The P40 would also make history as the first amplifier to use a toroidal transformer, which would go on to be a standard component inside virtually every high-end amplifier produced since.