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AT-4K PALSTAR AT4K
[AT4K]

$895.95
Free Shipping on AT4K
Free shipping to USA Only

2500W ROLLER INDUCTOR TUNER

We had 1 of this item in stock at the time of the last update.

View the manual for AT4K
View the manufactures page for AT4K
View the eham review page for AT4K

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 AT4K tuner is no exception.
The American made AT4K is an impedance matching network that fills the void for a matching network that can provide unbalanced/balanced output. This is a one-of-a-kind unique dual-function high-power tuner in the American Ham tradition.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.

The solution: the AT4K. The AT4K T-matching network utilizes a 1:1 unbalanced-to-balanced transformer in the INPUT of the network. When the network is properly tuned, a 50 ohm impedance will be presented both to the input and output of the
balun, which allows it to properly perform its important transformation job. Reviewed in the Sept 2004 edition of QST. Peak and Peak Hold dual cross-needle metering ($149.95 value found in our popular PM2000A wattmeter).

Specifications
Power rating 2500 watts single tone continuous
Unbalanced/Balanced output (switch activated on front panel) with high power
balun at the input of tuner circuit
T match circuit: impedance matching range 8 ohms to 2000 ohms
Custom large value (460pf) variable capacitors at 6 kV
10 Amp silver plated ceramic body roller inductors crank handle driven
Switchable antenna inputs with 10 Amp RF switch assembly
Ferrite 1:1 input balun
Peak and Peak Hold dual cross-needle metering (1-2 sec hold) w/backlighting
(wall transformer supplied)
Powdercoated front panel and top cover
Dimensions: 15" wide x 7" high x 16"deep
Weight: 20 lbs

Optional Accessories

JETSTREAM JUMPER20081A1FT RG8U JUMPER PL259 ON EACH END $ 9.50Buy JUMPER20081A
JETSTREAM JUMPER20082A2FT RG8U JUMPER PL259 ON EACH END $ 9.95Buy JUMPER20082A
2500W ROLLER INDUCTOR TUNER AT-4K HF MANUAL Coupler ANTENNA TUNER
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