Tubes-Store.com → HAM Radio tubes → GU-74B / GU74-B / GU74B / 4CX800A tetrode tube (sealed plastic packet)
Conditioning GU74b tubes
New Rare Tetrode tube GU-82B ( as 4CX800A GU74B But more powerful ) #2 | eBay
ACOM 1000: Russian GU74B tube replacement – TF3XO
GU74B NOS 4CX800A Russian NEW Tube GU74B
Svetlana GU74B
MATCHED PAIR GU-74B GU74B Tubes Slightly Used 4cx800 Tested
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1 * GU-74B GU74B Tubes Nos 4cx800 TESTED £301.92 - PicClick UK
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Used 3 Tube 4cx800 / gu74B with power supply – eaglemade
Tubes-Store.com → HAM Radio tubes → GU-74B / GU74-B / GU74B / 4CX800A tetrode tube
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1 * GU-74B GU74B Tube Used 4cx800 Tested | eBay
1 * GU-74B GU74B Tubes Nos 4cx800 TESTED | eBay
GU-74B TUBO TETRODO Svetlana 4CX800A ceramica-metallo NUOVO EUR 368,32 - PicClick IT
Tubes-Store.com → HAM Radio tubes → GU-74B / GU74-B / GU74B / 4CX800A tetrode tube
Amplifier Power Tube (FU-74F, GU74B) - China Amplifier Power Tube, Vacuum Tube | Made-in-China.com
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GU74B ( 4CX800A) Tube for Acom
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GU-74B (original box) | Tube Analog: 4CX800A | Soviet-Tubes
GU74B NOS 4CX800A Russian NEW Tube GU74B
GU74b / 4CX800A NEW Acom OEM fitment
