Mullard CV569 / ECC35 - NOS, Swedish Military Sealed Stock, Blackburn

Mullard Blackburn CV569s pulled directly from Swedish military sealed storage - individually boxed, factory paper-wrapped, and carrying the full military procurement and inspection markings. Opened only for photography. Etched codes "RU3". Fat brown base. One of the rarest dual triode finds in this condition. Price per tube.

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Key Features

• Brand: Mullard (Made in Great Britain) - factory code B = Mullard, Blackburn
• Tube Type: CV569 / ECC35 - Dual Triode (British military designation CV569)
• Condition: NOS, factory sealed - opened for photography only; each in original military-issue box with paper wrapping intact
• Provenance: Swedish military surplus, inspection stamp
• Construction: Brown Bakelite base
• Base: Octal K8A
• Heater: 6.3V / 1.5A
• Quantity: 1 tube (6 available, sold separately)

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Equivalents

CV569 = ECC35

Note: ECC35 heater draws 1.5A at 6.3V - significantly higher than ECC81/ECC82/ECC83 (0.3-0.65A); verify heater supply capacity before substituting. Not a drop-in replacement for noval dual triodes despite functional similarities.

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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: 798