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evolutionary step forward from the 6R1A. The 230 does not contain any tubes or | evolutionary step forward from the 6R1A. The 230 does not contain any tubes or | ||
tunnel diodes. It makes some use of integrated circuits. | tunnel diodes. It makes some use of integrated circuits. | ||
<gallery> | |||
Image:230 front.jpg | |||
Image:230 insides.jpg | |||
Image:230 zone generator card.jpg | |||
Image:230 comparator card.jpg | |||
Image:230 memory card.jpg | |||
Image:230 clock board.jpg | |||
Image:230 backplane.jpg | |||
Image:230 power supply.jpg | |||
Image:230 rear.jpg | |||
</gallery> |