Featuring Fine Vintage and Modern Amateur Radio Gear For Sale

Eimac 4CX1000A / 8168 NOS Power Tetrode, March 1982 Date Code, Sealed Factory Packaged

Write a Review
Condition:
New
Shipping:
$25.00 (Fixed Shipping Cost)
  • Eimac 4CX1000A / 8168 NOS Power Tetrode, March 1982 Date Code, Sealed Factory Wrap, Collins 30S-1 Amplifier
  • Eimac 4CX1000A / 8168 NOS Power Tetrode, March 1982 Date Code, Sealed Factory Wrap, Collins 30S-1 Amplifier
  • Eimac 4CX1000A / 8168 NOS Power Tetrode, March 1982 Date Code, Sealed Factory Wrap, Collins 30S-1 Amplifier
$999.99
Frequently bought together:

Description

Eimac 4CX1000A / 8168 NOS Power Tetrode, March 1982 Date Code, Sealed Factory Packaged

 This tube is sealed in the factory shrink wrap package. I received this tube in an RF Parts box which may or may not be original but the factory tube package has never been opened

The Eimac 4CX1000A (also known as 8168) is a ceramic/metal, forced-air cooled, radial-beam power tetrode with a maximum plate dissipation of 1000 watts. It is a low-voltage, high-current tube designed primarily for Class AB1 RF linear amplifier or high-power audio amplifier service, offering high gain and low distortion.
 
 
Key Specifications
  • Plate Dissipation: 1000 W
  • Filament: 6.0 V ±0.3 V, 9.0 A (oxide-coated, unipotential cathode)
  • Cooling: Forced air (requires proper socket and chimney, e.g., SK-800B socket + SK-806 chimney)
  • Frequency: Up to 110 MHz for full ratings
  • Typical Uses: High-power HF/VHF linear amplifiers, broadcast, industrial RF, and specialized audio applications. Popular in professional and amateur radio setups requiring 1 kW+ capability.
     
    Physical: Compact ceramic-metal construction, ~4.8" long x 3.37" diameter, ~27 oz.
Your date code "March 1882" is almost certainly March 1982 (a common transcription/OCR error for older stock).
Eimac date codes from that era typically use formats indicating month/year or week/year. A 1982 manufacture makes it genuine New Old Stock (NOS) from a respected production period.
 
 
View AllClose

Related Products