813 Beam Power Tube and Data Sheets
813amp
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813 Beam Power Tube and Data Sheets
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813 Linear Amplifier | G4AKE
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813 / GM70 amplifier with Bartolucci transformers
813 Beam Power Tube and Data Sheets
813 Beam Power Tube and Data Sheets
813 Linear Amplifier | G4AKE
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813 / GM70 amplifier with Bartolucci transformers
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813 Beam Power Tube and Data Sheets
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