The Ampeg 6550 Tube Clamp/Retainer Kit is a Vintage SVT Style power tube retainer. Clamp type with superior stability for the 6550 and KT88 tubes. A must have for any V4/VT22/V4B/V2/ VT40 conversions form 7027 to 6550 tubes.

Ampeg Guitar-and-Bass 144F

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Ampeg 6550 Tube Clamp/Retainer Kit