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Date Posted by Category User IP

2015-08-19 (UTC)

KB9YOZ

Tubes

c-76-19-91-133.hsd1.ma.comcast.net

NIB Penta Labs 4CX1600B for your Titan II

The 4CX1600B is a high-performance ceramic/metal tetrode with a plate dissipation rating of 1600 Watts with forced air cooling. The performance characteristics and internal configuration of the 4CX1600B allow its use as a high gain grid-driven RF amplifier or a grounded grid amplifier. A recommended mode of operation is in grid-driven service with a passive (resistive) 50-Ohm untuned input circuit. This eliminates the need for multiple input tuned circuits and neutralization. In this mode, a simple, stable, low-cost amplifier design with good intermodulation performance can be achieved.

As a linear power amplifier, the 4CX1600B will CONSERVATIVELY produce 1500 Watts PEP SSB, and 1500 Watts Key Down CW in any of the three modes: grid-driven, grid-driven passive input, and cathode-driven. Because of the unique internal geometry of the 4CX1600B, the tube will operate efficiently at low plate voltage. Improved electron ballistics using a double-focused electron trap configuration contribute to the superior performance.

Full specs and data at:

http://www.g8wrb.org/data/Svetlana/pdf/4CX1600B.pdf

Tube is in original factory packing material and is still vacuum-sealed in plastic.

Price: $750.00 via USPS domestic money order.

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