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The LÀ-1000-NT is a self-contained, high frequency linear power Amplifier capable of operation at 1200 watts PEP sideband and up to 1000 watts CW input power. The bandswitch positions provide NO-TUNE-UP operation on 160 through 10 meter amateur bands. The LA-1000-NT is capable of high speed break-in CW (QSK) when used with a QSK Transceiver. The LA-1000-NT also incorporates a feature permitting optimization of efficiency in either the CW or SSB subband on 160 and SO meters. The LA-1000-NT can be manually tuned internally to cover just about any portion of the spectrum from 1.8-30 MHz. SPECIFICATIONS FREQUENCY COVERAGE: Amateur bands 1.8-1.9, 3.5-4.0, 7.0-7.3, 14.0-14.350, 21.0-21.450, 28.0-29.5 MHz using factory preset circuitry. The owner may adjust these settings to optimum efficiency in any of these ranges. SUBBAND SELECTION: Panel switch selects optimum no-tune-up arrangement for either CW or SSB operation on 160 and 80 meters. POWER INPUT: Up to 1200 watts PEP/SSB, and up to 1000 watts CW. TYPICAL EFFICIENCY: 60-72 X depending on load, frequency, drive DRIVE POWER: 100-140 watts PEP for rated input. DISTORTION: Third order IM more than 31 dB below PEP output. HARMONICS: Substantially better than FCC requirements; typically -45 dB or better. CW BREAK-IN: High speed QSK capability when used with a suitable QSK Transceiver. TUBE COMPLIMENT: Four 6MJ6 heavy duty penthodes, with drive applied to the first grid and cathode—termed super drive. COOLING: Full-cabinet ducted forced air. Air is drawn in the bottom front and exhausted out the rear back.