IC's K....L

Quad JFET OPV, +/-18V, case DIP14

Dual OPV, single supply 3-32V, case DIP8

precision high speed operational amplifiers +/-18V, package DIP8
Datasheet:

Dual OPV with JFET-inputs, Low noise, Ubmax +/-15V, fg 4MHZ, SR 13V/us, Case DIP8, manufacturer TI

Dual OPV, Low noise, Ubmax +/- 15V, fg 15Mhz, SR 7V/us, Case DIP8

Single OPV with JFET-inputs, Low noise, Ubmax +/-18V, fg 4MHZ, SR 12V/us, Case DIP8, manufacturer NSC

Dual OPV with JFET-inputs, Low noise, +/- 18V max, 500mW, 1Mhz, SR 13V/us, Case DIP8

Programmable OPV, equivalent µA176, µA776, B176), package DIP8

Low noise dual amplifiert, bipolar, Ubmax +30V, Case DIP8,
Datasheet:

Quad OPV with JFET-inputs, Low noise, +/- 18V max, 2Mhz, SR 6V/us, Case DIP14

5-Band Graphic Equalizer Chip. Package DIP16
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Dual OTA, case DIP16

Datasheet: