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2A3 Electro-Harmonix Gold

2A3 Electro-Harmonix Gold

Regular price R 1,900.00 ZAR
Regular price Sale price R 1,900.00 ZAR
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The Electro-Harmonix 2A3 Gold Grid is a current-production, directly-heated power triode vacuum tube manufactured in Russia, modeled after classic 1930s single-plate designs like the RCA 2A3. [1, 2, 3, 4]
Key Features and Specifications
Design & Construction: Features a gold-plated grid for enhanced bias stability, gold-plated pins on a white ceramic base, and an oxide cathode. [1, 2, 3]
Heater Voltage & Current: 2.5V AC/DC, 2.5A [1, 2]
Plate Voltage (Max): 250V standard (up to 450V max) [1, 2]
Plate Current: 60 mA [1, 2]
Max Plate Dissipation: 15W [1, 2]
Amplification Factor (μ): 4.2 [1, 2]
Transconductance: 5.5 mA/V [1, 2]
Output Power: ≥ 3.0 W (single-ended Class A) [1, 2]
Dimensions: Maximum height of 150 mm, maximum diameter of 55 mm, mass of 75 g

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2A3 Electro-Harmonix Gold
2A3 Electro-Harmonix Gold
2A3 Electro-Harmonix Gold
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