The 27EP4 is a magnetic‑focus, magnetic‑deflection, direct‑view all‑glass CRT that delivers a 24‑by‑1814‑inch picture for television applications. It features a gray faceplate for high contrast, an aluminized screen for increased light output, and a space‑saving rectangular shape.
The sheet lists electrical ratings such as heater voltage 6.3 V, heater current 0.6 A (±10 %), anode voltage up to 20 kV, and grid‑2 voltage up to 3.5 kV, as well as mechanical dimensions, weight, and safety notes about X‑ray shielding for voltages above 16 kV.
| Picture size | 24‑by‑1814 inches |
|---|---|
| Focusing method | Magnetic |
| Deflecting method | Magnetic |
The tube provides a 24‑by‑1814‑inch picture.
Yes, X‑ray shielding may be necessary for voltages above 16 000 V.