Instruction Sheets for Part Number HDU-DU4000ML
HA8DU Tuners DU4000ML Reversible L-Network Manual Antenna Tuner DU4000ML
Part Number: HDU-DU4000ML
HA8DU Tuners DU4000ML Reversible L-Network Manual Antenna Tuner
Antenna Tuner, Manaul, 4kW, 1.8-30 MHz, Reversible L-Network, Roller Inductor, Backlit Cross-Needle SWR/Power Meter, 3 Antenna Switch, SO-239, Each
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Overview
Brand:
Manufacturer's Part Number:
DU4000ML
Part Type:
Product Line:
DXE Part Number:
HDU-DU4000ML
Antenna Tuner Type:
Manual
Antenna Tuner Location:
Desktop
Weather-Resistant:
No
Mobile Whip Tuner:
No
Tuner Maximum Power Rating:
4,000 watts
Frequency Range:
1.8-30 MHz
Tuner Inductor Type:
Roller
Tuner Capacitors:
1
Tuner Bypass Switch:
Yes
Tuner Control Type:
External
Internal Dummy Load:
No
Internal Balun Type:
None
DC Power Required:
Yes
Tuner Width:
16.929 in.
Tuner Height:
6.299 in.
Tuner Depth:
15.354 in.
Tuner Weight:
17.64 lbs. (8.0 kg)
Quantity:
Sold individually.
Lowest Band of Operation:
160 meters
Highest Band of Operation:
10 meters
HA8DU Tuners DU4000ML Reversible L-Network Manual Antenna Tuner
HA8DU Tuners DU4000ML Reversible L-Network Manual Antenna Tuner is a stylish, exceptional 4kW manual antenna tuner that covers the frequency range of 1.8-30 MHz. Its unique configuration uses a rotary switch to change the high-voltage variable capacitor component, its values and position, to either the input or output side of the 26-turn digital-counter high-quality roller inductor. This is an extremely effective method for matching the 50-ohm transceiver or amplifier to a variety of very low or very high impedance unbalanced antennas. A rotary switch selects the matching network to one of three antenna output connectors or bypass. The auto-ranging cross-needle SWR and wattmeter features 500W and 5000W scales which is backlit and powered by 12VDC. SO-239 connectors are used for the input and outputs.
The DU4000ML tunes up to a 10: SWR, handles up to 4000W at 3:1 SWR, across 1.8 to 30MHz. It features a large 3500V, 500pF variable capacitor and a 0.5-23uH silver-plated roller inductor with ceramic body. Dimensions (WHD): 17 x 6.2 x 15.4 in. (430 x 160 x 154mm), less projections. Weight 17.6 lbs. (8 kg).
Documentation
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