A 1500-W-Output Amplifier for 160 Meters - QRO · A 1500-W-Output Amplifier for 160 Meters 10...
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A 1500-W-Output Amplifier for 160 Meters - QRO · A 1500-W-Output Amplifier for 160 Meters 10 BLOWER ... The schematic diagram is shown in ... around a Johnson type 247 and an alumi-