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Tektronix Type 9A1
24 MHz dual trace amplifier
Tek 9A1

Compatible with 506

Produced from 1964 to (?)

(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix Type 9A1 is a 24 MHz ("DC to 23Mc, not more than 3dB down at 24Mc") dual-trace amplifier for the 506.

The 9A1 uses a pair of 8233 pentodes to drive the CRT.

Early 9A1 units have UHF connectors for the inputs. Later units have BNC connectors.

Key Specifications

Bandwidth 24 MHz (-3 dB)
Rise time 14.5 ns
Deflection 10 mV/Div to 10 V/Div, 1-2-5, variable up to ×2.5 (25 V/Div) min.