HR 6643

type ST · family 1BS1 · 36.3 kV maximum anode voltage · 110° deflection · 4 windings · 367 g

Schematic diagram for HR 6643
schematic

Manufacturer equivalents (2)

95-4134-07 · 95-4134-26

Possible substitutes

Parts of a similar design. A shortlist to check, not a recommendation.

HR 6642 · HR 6419 · HR 8487 · HR 6580 · HR 7420 · HR 8237 · HR 7901 · HR 7768 · HR 8117 · HR 8015 · HR 6124 · HR 6602

Notes

COD-023 ORIGINAL FOCUS AND SCREEN POTENTIOMETERS MUST BE USED (SEE INSTRUCTIONS IN HR BOX)

Fitted to (3)

ZENITH CHASIS GZ · ZENITH SY 3247 RK · ZENITH SY 3581

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v1.5.0 · data built 2026-10-09