New American 6sh7/6j8p/717a/5693/6sk7/6sj7 Electron Tube 300b Drive Tube - Tool Parts - AliExpress
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Vacuum tube 6SH7 sharp cutoff pentode, tested good | eBay
Tubes-Store.com → Other tubes → 6J8 / 6SJ7 tube
6SH7 Sharp Cutoff RF Pentode Tube. Designed for use as a high-gain radio-frequency or intermediate-frequency amplifier. MFR: RCA, GE, Sylvania, National Union. SKU: 6SH7. New old stock. No longer available for export.