Palstar AT-5K 3500 Watt ATU

Palstar AT-5K 3500 Watt ATU
£1249.95 (Inc. VAT 20.00%)
Ex-VAT Price : £1041.63
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  • Overview
  • Description
The word is spreading about Palstar's unique, high-end amateur radio products. Carrying on in the Palstar tradition for products of the highest quality designed by Hams for Hams. The American made AT5K antenna tuner is no exception.

"It's built like a TANK!" - K0CWO, CW4 BJ Voute, U. S. Army

The American made AT5K is a one-of-a-kind unique dual-function high-power tuner in the American Ham tradition. This tuner has been nick-named the "Rock Crusher" and is fast becoming the tuner of choice among "Hams" who demand the very best and most powerful antenna tuner on the market.

The word is spreading about Palstar's unique, high-end amateur radio products. Carrying on in the Palstar tradition for products of the highest quality designed by Hams for Hams. The American made AT5K antenna tuner is no exception.


"It's built like a TANK!" - K0CWO, CW4 BJ Voute, U. S. Army

The American made AT5K is a one-of-a-kind unique dual-function high-power tuner in the American Ham tradition. This tuner has been nick-named the "Rock Crusher" and is fast becoming the tuner of choice among "Hams" who demand the very best and most powerful antenna tuner on the market.

The typical unbalanced tuner with a 4:1 balun at the OUTPUT exposes the balun to a wide variety of impedance and reactance that it was never designed to handle.

Palstar's original solution was the AT4K. The AT5K takes power handling to the next level coming in with a rating of 3500 watts single tone continuous performance with low losses & wide Z range. Bands 160m to 15m with limited Z range on 10m. The AT5K provides balanced OUTPUT with high power 5kW TEFLON cable balun at the INPUT of the tuner circuit for excellent balanced feed antenna operation.

Inside the AT5K you'll find massive custom large plate (600 pF) variable capacitors at 6 kV. Equally massive 10 Amp 7 kV CERAMIC body inductor wound with #10ga plated copper wire with silver-plated wheelshaft, contact wheel, and hardware (35uH).

Also, Palstar engineering has incorporated the technology found in our popular PM2000A wattmeter into this tuner to provide dual cross-needle metering with active peak and peak hold ($149.95 value). See below for more technical specifications. [The AT5K's predecessor, the AT4K was reviewed in the Sept 2004 edition of QST.]

Specifications
3500 Watts single tone, high efficiency, low tuner losses and wide Z range
160m to 15m with limited Z range on 10m
Balanced OUTPUT with high power 5 kW TEFLON cable balun at the INPUT of tuner circuit
Custom large plate (600pf) variable capacitors at 6 kV
10 Amp 7 kV CERAMIC 3.25" body roller inductor (35 uH) wound with #10ga plated solid copper wire
Silver plated wheel shaft, contact wheel and hardware
Six-position switchable antenna input switch with 7 Kv, 10 Amp contacts
Ferrite 1:1 input balun
Peak and Peak Hold dual cross-needle metering (1-2 sec hold) with backlighting (wall transformer supplied)
Chassis and top cover are .090 ga. aluminium iridite coated and top cover is powder coat finished
Fan cooling for extended 100% duty cycle operation
Dimensions: 16" wide x 8" high x 18"deep
Weight: 30 lbs
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