TM501

The Tektronix TM501 is a single-bay mainframe for the TM500 system. On the TM501A, the power switch has been moved to the rear.

Tektronix TM501
single-bay mainframe Tektronix TM501 Produced from 1972 to 1991 Manuals TM501 Manual 070-1304-00 TM501 Manual 070-1304-01 (All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

Key Specifications

Line Voltage	100 V to 120 V / 108 V to 132 V
Line Frequency	40 Hz to 440 Hz
Max Power	120 W
Weight	2.3 kg (6 lbs)
Size	15.2 cm × 9.9 cm × 38.9 cm (H×W×L) (6.0" × 3.9" × 15.3")
Plugin Supply	+33.5 V / −33.5 V, 350 mA max ea. +11.5 V, 1.3 A max 17.5 V_AC with grounded center tap, 30 VA max 2 × 25 V_AC, 2 x 0.5 A / 25 VA (combined) max; floating ≤350 V (peak)

Option 2

Option 2 adds internal pin headers for the slot as well as a rear 50-pin and BNC connector, allowing for custom wiring to and from the plugin.

On the standard TM501, cutouts for the 50-pin and BNC socket have been made in the rear frame, meaning that the user only needs to drill holes in the rear cover plate to install the sockets.

Gerbers

TM501 Insulator Plate gerbers (ZIP) (See TM501 restoration link below)

Links

Tektronix TM501 Mainframe Restoration by NFM @ YouTube

Pictures

TM501 Front
TM501 Front
TM501 3/4 View
TM501 Top
TM501 Rear
TM501 Rear
TM501 Internal
TM501 Option 02
TM501A Front
TM501A Rear