Raytheon 6088 / CK522AX / CV2699 / CK6088 Subminiature Electron / Vacuum Tube

These subminiature audio tubes are the true "marvel" of engineering when it comes to vacuum / electron tube technology. Originally designed for portable applications, such as use in receivers / hearing aid devices, these subminiature tubes offer crisp clear audio amplification with very low distortion. Nicknamed as "Pencil Tubes" due the remarkable similarity in circumference size that it shares with common pencils. These were some of the smallest most powerful, highest quality tubes ever manufactured in the USA. The strict military specification standards that these tubes were built to meet, ensure long life for these tubes. Recently Schiit Audio, introduced the very popular "Vali" amplifier, which utilizes a pair of these tubes as the centerpiece of the their design. For the audiophile who demands quality, these tubes are perfect for that headphone amplifier, or portable amplifier that requires the finest quality tubes.