Here are some electronic things that I built between 1963 and 1971 | |
Stabilized power supply for tube circuits. Designed by Jon Idestam-Almquist. |
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Tone generator combined with an Audio millivolt meter. | |
OTL Power amplifier 2x 15 W for 800 ohms speakers Designed by Jon Idestam-Almquist Uses one Telefunken ECC83 and two Telefunken EL86 per channel. Anode supply 460 V! |
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Electronic calculator from a Philips design. | |
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