Philips UM4 - NOS, STIL SEALED

A Philips-branded UM4 circular magic eye in the original art deco period box - a type increasingly difficult to find in any working condition, let alone NOS. Never opened since it was made some 60 or more years ago in the Netherlands.

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Key Features

• Brand: Philips (box and tube label)
• Tube Type: UM4 - Circular Magic Eye Tuning Indicator, 2 ranges, 2 shadow angles
• Condition: NOS, in original never opened box
• Base: Octal K8A
• Heater: 12.6V / 0.1A (100mA series heater)
• Quantity: 1 tube

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Equivalents

No direct equivalents confirmed.

Related type: EM4 (similar circular display but different heater and side-contact P8A base - not a drop-in substitute)

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Shipping Information

Shipped via registered airmail with tracking for secure delivery.

Other international shipping options are available upon request.

For US buyers: Import duties and customs fees are covered by the seller. Shipment is sent DDP (Delivered Duty Paid). Buyer will not be charged additional import fees.

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SKU: 441