Type	Year of construction	Tubes	Cabinet	Remarks
PHILIPS EL3516	1958	EF86:microphone pre-amplifier ECC83:AF pre-amplifier ECL82: AF Outputstage EM81: recordlevel-indicator EZ80: Rectifier	multiplex, covered with leatherlike plastic	By 1958 the taperecorder had become mature. This one features 3 different tapespeeds and there is a very hopeful "high-fidelity" sign inside it's hood. The former user has placed a switch to cut-off the anode voltage of the EM81, to save it probabely.