EF98

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Low-voltage space-charge RF pentode vacuum tube engineered to operate directly off standard 12V automotive electrical rails without an external high-voltage anode supply. | 7-Pin M iniature (B7G) | Mid-century hybrid tube/transistor car stereo decks, portable tube field gear, low-voltage audio systems. | EF98 | 6F8 | None | CV2129, 6F18, M8191 | Low-Voltage Hybrid Guitar Preamplifier: Configured as the front-end gain stage running directly on a 12V pedal power supply to deliver genuine warm tube compression ahead of a solid-state amplifier circuit. Show more