ECC85 / 6AQ8 Tungsram double triode vacuum tube for FM Tuner & Audio. Equivalent to the 6AQ8 / B719 / 6L12 / 6CC43. Tungsram (Hungary) ECC85 / 6AQ8 double triode, NOS (New Old Stock). A classic European tube designed for FM front-end applications, prized by audiophiles and vintage radio restorers for its open, detailed sound and low noise.
Key Features & Specifications
- Type: Double Triode (VHF)
- Base: Noval B9A (9-pin)
- Heater Voltage:6.3V
- Heater Current: 435mA
- Amplification Factor (μ):57
- Transconductance (S):5.9 mA/V
- Max Plate Dissipation:2.5W (per unit)
- Max Plate Voltage: 300V
- Max Cathode Current: 15mA
Applications & Compatibility
- Primary Use: FM tuner oscillator and RF mixer/amplifier in vintage valve radios.
- Audio Use: Also widely used as a low-noise AF preamp tube, delivering a warm, open sound signature.
Condition
- Status: NOS (New Old Stock). Never used.
- Origin: Made in Hungary by Tungsram.
Why Choose This Tube?
The ECC85 is the definitive FM front-end tube for European radios of the 1950s and 60s. Tungsram production is highly regarded for its reliability and musical character, offering a rich tonal balance that modern reproductions often lack. Perfect for restoring Grundig, SABA, or Telefunken receivers, or for upgrading the input stage of a high-fidelity audio amplifier.
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