Electro-harmonix
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Features
Gold pin construction for enhanced conductivity and reliability
Trusted by OEM manufacturers for use in high-end amplifiers
Premium dual-triode tube for preamplifier and driver stages
Outstanding performance at an accessible price point
What's in the Box?
Warranty
The Electro-Harmonix 6SN7 Gold Pin is a premium, medium-mu twin triode vacuum tube engineered as a superior low-noise replacement for any standard 6SN7-equipped high-end audio gear. Renowned for its linear response and ability to handle full voltage, this modern production tube is frequently compared to the legendary RCA red base 5692. Audiophiles choose this tube for its refined sonic signature, which features multifaceted highs and a tight, authoritative low end, effectively widening the soundstage and improving 3D imaging in sensitive preamplifiers and headphone amps.
Equipped with high-quality gold-plated pins, these tubes ensure exceptional electrical conductivity and a non-corrosive connection, preventing signal degradation over years of heavy use. The "Gold" designation often indicates the highest selection grade, prioritizing ultra-low noise and minimal microphonics for a transparent, "Hi-Fi" listening experience. Whether you are upgrading a modern system or restoring vintage equipment, the EH 6SN7 Gold offers a reliable, high-performance alternative to costly and scarce New Old Stock (NOS) varieties without sacrificing the soulful, analog warmth of classic tube tone.
| Parameter | Specification |
|---|---|
| Physical Specifications | |
| Model | 6SN7ЕН gold |
| Type | Twin triode with equipotential cathodes |
| Maximum Diameter | 29.6 mm |
| Maximum Height | 84 mm |
| Pin Arrangement | 8-pin octal base Pins 1-6: Electrodes Pins 7-8: Heater |
| Electrode Configuration | |
| Pin 1 | Second triode grid |
| Pin 2 | Second triode plate |
| Pin 3 | Second triode cathode |
| Pin 4 | First triode grid |
| Pin 5 | First triode plate |
| Pin 6 | First triode cathode |
| Pins 7, 8 | Heater |
| Electrical Parameters | |
| Test Conditions | Filament voltage 6.3 V, Plate voltage 250 V, Grid voltage -8.0 V (unless otherwise specified) |
| Plate Current | Nominal: 7.0 - 13.0 mA Maximum: 16.5 mA |
| Triode Current Balance | First and second triode plate current difference: ±30% |
| Plate Current at Characteristic Start | 0.2 µA (at plate voltage 250 V, grid voltage -18.0 V) |
| Slope of Characteristic (Transconductance) | 2.0 - 3.6 mA/V |
| Amplification Factor (µ) | 13.3 |
| Heater Current | 550 - 650 mA at filament voltage 6.3 V |
| Grid Back Current | Maximum: 50 µA (At resistance in grid circuit 1.0 MΩ) |
| Cathode-Heater Insulation Resistance | Minimum: 20 MΩ (At cathode-heater voltage ±200 V) |
| Maximum Ratings (Limiting Values) | |
| Filament Voltage | 6.0 - 6.6 V |
| Maximum Plate Voltage | 450 V |
| Maximum Cathode-Heater Voltage | ±200 V |
| Maximum Cathode Current | 20 mA |
| Maximum Power Dissipation (per triode) | 2.5 W at plate |
| Grid Circuit Resistance (Fixed Bias) | 1.0 MΩ |
| Grid Circuit Resistance (Self-Bias) | 2.0 MΩ |
| Application Information | |
| Primary Application | Low frequency voltage amplification in radio engineering devices |
| Tube Construction | Gold-plated variant with enhanced specifications |