Tektronix 1A7A 1 MHz Differential Amplifier (1969)

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Tek Catalog CostLow BidHigh Bidaverage
$450 (1969)
$575 (1973)
$635 (1974)
...
$19.28 4/2/03 #2519072472 riatia2 (untested) (4 bids $10 start)
$9.99 8/9/04 #3831551785 astglobal-dot-com (2 bids $9.99 start) (untested?)
$30.99 (+$22.50 ship) 1/3/08 #230207198921 keytronix (2 bids $29.99 start) ("working condition" w/manual,storage house)

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    Tektronix 1A7A - Differential Amplifier DC to 1 MHz Bandwidth, 10 ŠV/cm to 10 V/cm Calibrated Deflection Factors, Selectable Upper and Lower -3 dB Points, 100,000:1 CMRR, DC Offset, FET Inputs & 10 ŠV/Hour DC Drift (with constant temp).