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Reviews Categories | Amplifiers: RF Power - HF & HF+6M | Vectronics Hf600-QSK 1.8 - 29.5 Mhz Amplifier Help

Reviews Summary for Vectronics Hf600-QSK 1.8 - 29.5 Mhz Amplifier
Vectronics Hf600-QSK 1.8 - 29.5 Mhz Amplifier Reviews: 1 Average rating: 5.0/5 MSRP: $(missing—add MSRP)
Description: The HF600-QSK Linear Amplifier is a one stage, class AB2
Linear amplifier using a glass envelope, 3-500C triode tube.
It is a completely self-contained table-top unit capable of
800-1000 PEP output. It is equipped with a pressurised
plenum cooling system to ensure optimum operation for
extended periods of continuous use. Silver plated coil for
upper bands. Heavy-duty rotary switch with silver plated
contacts. Vernier tuned loading and plate tuning capacitors.
Patented cross-needle meter system to monitor all critical
voltages and currents. Grid overload protection circuitry.
Product is not in production.
More info: http://
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N4KS Rating: 5/5 Dec 18, 2014 09:40 Send this review to a friend
Excellent quality and good QSK operation.  Time owned: 6 to 12 months
I was lucky to find and buy my HF600 from a ham friend that does not work CW and therefore did not take advantage of its QSK feature. I was looking for a good QSK amplifier and this one fits the bill. It utilizes Kilovac vacuum reed relays with claimed switching speeds less than 3 msecs. The two relays are quiet. Tuning is smooth and the amplifier's efficiency reaches 65% or more on most bands. It has a tuned input and ALC control. 110V or 220V operation can be selected. The cooling system utilizes a fairly quiet squirrel-cage blower with a glass chimney on the tube. The cross needle tuning is a joy to use.

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