Type	Year of construction	Tubes	Cabinet	Remarks
PHILIPS EL3541 H	1963	EF86:microphone pre-amplifier ECC83:AF pre-amplifier ECL82: AF Outputstage EM84: recordlevel-indicator EZ80: Rectifier	multiplex, covered with leatherlike plastic	This is a later EL3541 recorder with an other cabinet. In 1963 this was a some what old-fashioned taperecorder because it was still being equipped with tubes instead of transistors that were found at the sophisticated Japanese machines that appeared at the scene at that time.