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HP 1801A DUAL
CHANNEL AMPLIFIER
The HP 180A was one of the first solid state oscilloscopes (apart from the CRT) and was introduced in 1966. Various plug-in units were available for vertical and horizontal deflections. The HP 1801A Dual Channel Amplifier cost $650 in 1968.

1801A front panel
March 2016

The HP 1801A is a dual channel amplifier with amplitude settings of 20V/div down to 5mV/div. and was acquired as part of the HP 180A Oscilloscope.

1801A LHS
1801A RHS
1801A bottom
... more to follow ...