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1858-0001 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
1858-0001RCA450Yes

Manufacturer:** RCA **Part Number:** 1858-0001 ### **Specifications:** - **Type:** Vacuum Tube (Valve) - **Application:** Audio amplification (commonly used in vintage radio and audio equipment) - **Base Type:** Octal (8-pin) - **Filament V

Manufacturer: RCA

Part Number: 1858-0001

Specifications:

  • Type: Vacuum Tube (Valve)
  • Application: Audio amplification (commonly used in vintage radio and audio equipment)
  • Base Type: Octal (8-pin)
  • Filament Voltage: 6.3V
  • Filament Current: 0.3A
  • Plate Voltage (Max): 250V
  • Plate Dissipation (Max): 2.5W
  • Amplification Factor (μ): 20
  • Transconductance (Gm): 2200 μmhos
  • Plate Resistance (Rp): 9kΩ

Description:

The RCA 1858-0001 is a medium-mu triode vacuum tube designed for low-power audio amplification. It is commonly found in vintage radio receivers, amplifiers, and other audio equipment from the mid-20th century. The tube operates with a 6.3V filament and provides stable performance in Class A amplifier circuits.

Features:

  • Octal base for easy installation and replacement
  • Low filament current for energy efficiency
  • Medium amplification factor suitable for preamp and driver stages
  • Robust construction for long-term reliability
  • Compatible with other similar tubes (e.g., 6J5, 6C5) in certain circuits

This tube is primarily used in vintage electronics and is sought after by collectors and audiophiles restoring classic equipment.

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