6I1P-EV / ECH81 / 6AJ8 Russian Triode-Heptode TUBE NEW/OTK/RHOMBUS Lot of 2pcs. | eBay
Triode-Heptode PCH200/9 V9 RSD Tube ID5529: Amazon.de: Electronics & Photo
EK 90 = 6 BE 6 Vacuum tube Heptode 100 V 2.8 mA Number of pins (num): 7 Base: B7G Content 1 pc(s) | Conrad.com
12BE6 / HK90 - Vint'Elec - Vintage electronic tubes
ElectronTubeStore.com
NEW 4 pcs X 6A2P = 6BE6/EK90/6H3 HEPTODE TUBE SVETLANA USSR NOS | eBay
6CS6 Dual Control Heptode Tube. Designed to be used in a sync separator circuit. MFR: Philco, GE, Raytheon. SKU: 6CS6. New old stock. No longer available for export.
ECH81/6AJ8 TUNGSRAM TRIODE-HEPTODE RADIO TUBE NEW in ORIGINAL BOX / QTY-1 | eBay
ECH21 Triode-Heptode, mesh. A vintage vacuum radio tube from Telefunkenby Mullard, U.K. #20530 | M-Ware
12FX8A Triode-Heptode Tube. Designed to operate in a superheterodyne receiver as a triode RF amplifier and frequency converter. MFR: Tung Sol, Raytheon, GE. SKU: 12FX8. New old stock. No longer available for
ECH83 triode heptode, mesh grid. A triotron tube ID19664: Amazon.de: Electronics & Photo
7S7 triode + heptode for preamp? - 18Watt.com
ECH81 TUNGSRAM TRIODE-HEPTODE VACUUM TUBE = 6AJ8 6I1P X719 6C12 CV2128 6U1 | eBay
Leo '64 Amp - Heptode - Guitar Effects Pedals & Amps
ECH81 FUNKWERK VACUUM TRIODE-HEPTODE TUBE = 6AJ8 6I1P X719 6C12 CV2128 6U1 | eBay
Limited Boutique handmade 6I1P TSL Tube Distortion guitar Pedal (Heptode & Triode) overdrive nos | Reverb
1L6 / 1U6 heptode tube
6L7 Heptode Tube. Mixer tube designed for service with a separate oscillator as the first detector in superheterodyne receivers. MFR: RCA. SKU:6L7. New old stock. No longer available for export.
UCH21 Triode-Heptode, mesh. A vintage vacuum radio tube by Telam #7560 | M-Ware
ECH 33, Tube ECH33; Röhre ECH 33 ID2491, Triode-Heptode | Radiomuseum.org
Pentagrid converter - Wikiwand
Tubes-Store.com → Other tubes → 6A2P / 6BE6 / EK90 Svetlana heptode tube
