Hifi PCM56 DAC Premium Audio Decoder Machine Assembled DC 18-24V Powered

Vintage Dynaco Quadaptor QD-1 Passive Matrix Decoder ~ Untested

4 x Mini 490IP2 Digital indicator with built-in decoder Rare USSR NUMITRON

HIFI PCM56 Decoder DAC Finished Machine DC 18-24V DAC Decoding

10 x MC14511BCP TI BCD-To-Seven Segment Latch Decoder Driver 4511 IC

HIFI PCM56 Decoder DAC Finished Machine DC 18-24V DAC Decoding os67

2x FHILIPS 74HC238N DECODER 3 TO 8 LINE DIP16