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Ameritron HF Power Amplifiers AL-82

Amplifier, Linear, Two 3-500ZG Tubes, 1,500+ W Output, 160-15 meters, 240 Vac, 15 A Max., Each

Estimated Ship Date: 3/9/2015 (if ordered today)

In-Store Pick Up Available in Ohio  Details



Brand: Ameritron
Manufacturer's Part Number: AL-82
Part Type: Amplifiers
DXE Part Number: AME-AL-82

Amplifier Type: Tube
Amplifier Band Coverage: 160-15 meters
Amplifier Export: No
Amplifier Power Output PEP: 1,500+ watts
Amplifier Input Power: 130 watts
Amplifier Supply Voltage: 240 Vac
Maximum Line Current: 15 A
External Power Supply: No
Line Cord NEMA Plug: 6-15P, 240 Vac
Amplifier Width: 17.000 in.
Amplifier Height: 10.000 in.
Amplifier Depth: 18.500 in.
Amplifier Weight: 76.00 lbs.
Quantity: Sold individually.

Ameritron AL-82 Linear Amplifiers are designed to give you years of trouble-free service at full legal output power limit.

The power supply in AL-82 amplifiers have a commercial service rated, 32 lb., tape-wound Hypersil transformer and heavy duty rectifiers in a full wave bridge circuit with computer-grade capacitors. No-load voltage is 3,600 V and full-load voltage is 3,300V--better than most competing dual 3-500ZG amplifiers.

Ameritron AL-82 amplifiers feature two bias settings that allow for either high efficiency RTTY and CW operation at 1,500 watts of output at nearly 70 percent plate efficiency, or low-distortion 1,500 watts PEP, SSB, or SSTV output. Silver plated tank components provide high efficiency operation above 20 meters. The Pi-L tank circuit permits full impedance matching capability over the entire 160 meter band. The tuning capacitors and bandswitch have a 35 percent safety factor to virtually eliminate tank circuit component failures, even under adverse operating conditions.

Their cooling systems keep the components and tubes safely below the manufacturer's ratings, even while operating at 1,500 watts output with a steady carrier. The filament supply has inrush current limiting to ensure maximum tube life. Shielding and bypassing help to prevent TVI and RFI at high power levels.

Ameritron AL-82 amplifiers have two illuminated meters. One provides a continuous reading of the 3-500ZG tubes combined grid current, which indicates proper amplifier performance better than any other parameter. This is an Ameritron first. The multi-meter displays plate voltage, plate current, peak R.F. output power, and drive power/ALC detector voltage.

Ameritron AL-82 specifications include:

* Frequency coverage: 1.8, 3.5, 7, 14, 21 MHz and WARC bands, export/user modified models include 24.9 and 28 MHz bands.
* Input circuit: adjustable pi-network, VSWR 1.2:1 or less at resonance
* Output circuit: Pi-L/Pi network
* Input bandwidth: 20 percent for 2:1 VSWR or better
* Efficiency: CW/SSB nearly 70 percent
* High voltage: 3,300 V full load, 3,600 V no load
* Power requirement: 240 Vac, 50/60 Hz, 15A maximum


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