Satisfecho con el rendimiento general.
★This is a pre-stage vacuum tube for a KT88PP power amplifier★
Product Details
These are vacuum tubes that were used in the preamplifier section of a KT88UL connected PP 100W power amplifier.
Each channel uses three tubes: 12AX7, 12AU7, and 12BH7A, making a set of six tubes for two channels.
All six tubes are TOSHIBA Hi-S tubes for telecommunications.
The markings are mostly gone, but the description is accurate.
As these are old items, their operation is not .
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.




