IC's M....N

Precision Single OPV, Bipolar, Ubmax +/-22V, fg 1Mhz, package TO-99-8
NOS from the CSSR
Datasheet:

Dual OPV, Low noise, Ubmax +/- 18V, fg 16MHZ, SR 7V/us, Case DIP8

Dual low noise preamplifier, package DIP8
Datasheet:

The NE/SA575 is a precision dual gain control circuit designed for low voltage applications. The NE/SA575’s channel 1 is an expandor, while [...]

Micropower Quad OPV , RtR, +/- 1.8V 5o 5.5V, 1Mhz, Case DIP14

Digital Delay circuit, used extendend memory chio 4463 or 44256
case skinny dip 36 (RM1.27)
Used in the Ibanez DL-5 delay.

Quad comperator, single supply 30V
Package DIP14
Datenblatt:

Quad OPV, Low noise, Ubmax +/- 18V, fg 16MHZ, SR 7V/us, Case DIP8

Datasheet:

BBD circuit to delaed analog signals, 2048 stages, clock 10 - 100KHz, 10,24 to 102,4ms delay time, Low power, case special DIP 14.

Single OPV, Low noise, Ubmax +/- 22V, fg 10Mhz, SR 13V/us, Case DIP8
Datasheet:

Quad OPV, single supply 3-36V, or dual +/-1,5 to 18V
case DIP14
Used e.g. at the Boss Phaser PH-1

Single OPV, Ubmax +/- 20V, fg 10Mhz, SR 13V/us, Case DIP8
Datasheet: