OPA2187 data sheet, product information and support | TI.com
811 Datasheet | Emitter Tube
807 @ The Valve Museum
807 Datasheet, Emitter Tube.
KB7RGG 807 Tube Data
Index of /a/ab4yd//myprojects/tubedata/807
Do these maximum ratings refer to the DC operating point, or peak AC swing? Can I let the screen of an 807/1625 exceed its maximum voltage on an AB1 stage like this (