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Ediswan CV5358 (ECC88) Vacuum Tube

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Ediswan CV5358 (ECC88) Vacuum Tube

The Ediswan CV5358 is a British military-spec rectifier built for applications where stability, low noise, and long-term reliability were critical. Manufactured by Edison Swan (Ediswan) in the UK, this valve was designed to meet strict government and communications standards, resulting in tight tolerances and consistent performance. In audio power supplies, the CV5358 is valued for its calm, well-regulated behavior, helping amplifiers maintain composure under load and reducing unwanted noise in downstream circuits.

Archive Assessed, Apos Assured

All Archive tubes are thoroughly tested, inspected, photographed, and inventoried, guaranteeing the quality of each tube that's shipped to customers. All tubes carry an Apos 12-month warranty against manufacturing defects. 

Are the tubes...dusty...?

Because these are genuine New Old Stock tubes, small cosmetic irregularities may be present. These aren't defects but artifacts of vintage manufacturing and decades of storage. They have no impact on reliability or sonic performance.

Specs

  • Brand / Type: Ediswan CV5358 / ECC88
  • Getter Type: Top Ring Getter
  • Made in: England
  • Tested on: Amplitrex AT1000 Advanced Digital Tube Tested

The Ediswan CV5358 is a British military-spec rectifier built for applications where stability, low noise, and long-term reliability were critical. Manufactured by Edison Swan (Ediswan) in the UK, this valve was designed to meet strict government and communications standards, resulting in tight tolerances and consistent performance. In audio power supplies, the CV5358 is valued for its calm, well-regulated behavior, helping amplifiers maintain composure under load and reducing unwanted noise in downstream circuits.

Archive Assessed, Apos Assured

All Archive tubes are thoroughly tested, inspected, photographed, and inventoried, guaranteeing the quality of each tube that's shipped to customers. All tubes carry an Apos 12-month warranty against manufacturing defects. 

Are the tubes...dusty...?

Because these are genuine New Old Stock tubes, small cosmetic irregularities may be present. These aren't defects but artifacts of vintage manufacturing and decades of storage. They have no impact on reliability or sonic performance.

Specs

  • Brand / Type: Ediswan CV5358 / ECC88
  • Getter Type: Top Ring Getter
  • Made in: England
  • Tested on: Amplitrex AT1000 Advanced Digital Tube Tested
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From $26.10

Original: $87.00

-70%
Ediswan CV5358 (ECC88) Vacuum Tube

$87.00

$26.10

Description

The Ediswan CV5358 is a British military-spec rectifier built for applications where stability, low noise, and long-term reliability were critical. Manufactured by Edison Swan (Ediswan) in the UK, this valve was designed to meet strict government and communications standards, resulting in tight tolerances and consistent performance. In audio power supplies, the CV5358 is valued for its calm, well-regulated behavior, helping amplifiers maintain composure under load and reducing unwanted noise in downstream circuits.

Archive Assessed, Apos Assured

All Archive tubes are thoroughly tested, inspected, photographed, and inventoried, guaranteeing the quality of each tube that's shipped to customers. All tubes carry an Apos 12-month warranty against manufacturing defects. 

Are the tubes...dusty...?

Because these are genuine New Old Stock tubes, small cosmetic irregularities may be present. These aren't defects but artifacts of vintage manufacturing and decades of storage. They have no impact on reliability or sonic performance.

Specs

  • Brand / Type: Ediswan CV5358 / ECC88
  • Getter Type: Top Ring Getter
  • Made in: England
  • Tested on: Amplitrex AT1000 Advanced Digital Tube Tested