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These E81CC gold pin tubes were made by Valvo in Western Germany and are Philips/Amperex branded. Special screening was used to select them for audio use and low noise, and they have a 10,000 hour heater. These are incredibly detailed, and highly recommended. Extremely balanced nice sound with lively mids and very nice, tight bass.
This is a suitable replacement for any 12AT7 tube type. Various brands available.
This is a suitable replacement for any Philips EF11 tube type. Various brands available.
1 piece used metal based GZ34 is available. This is the earliest philips brand GZ34 from 1957.Used with only very mior scratches on base, perfect flashing, and testing new 426/425 on Amplitrex AT-1000 and 262mA on Hickok 118B $1100.00 Only one available.