Artifact Details

Title

GAP/R vacuum tube K2-W Operational Amplifier

Catalog Number

X91.82

Type

Physical object

Date

1955 ca.

Manufacturer

George A. Philbrick Researches, Inc.

Place Manufactured

Boston, MA, US

Identifying Numbers

Model number GAP/R Model K2-W
Other number 12AX7 Stamped on tubes

Dimensions

overall: 1 1/2 in x 2 in x 4 1/2 in

Description

Two vacuum tubes occupying a single 8-pin octal socket. This packaging creates a module which forms an operational amplifier (op-amp) with differential inputs. It found wide application in analog computer designs.

Category

Component: circuit board / module

Subject

Operational amplifier (op-amp); Philbrick, George

Credit

Gift of Thomas Turano

Lot Number

X91.82