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power supply - Questions about center-tapped transformer for tube amplifier (MC 275) - Electrical Engineering Stack Exchange
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9 Pin Vacuum Tube Socket PCB for 12AU7 / ECC82 12 / ECC8AY7 12AZ7 12BH7 12BY7 57814 6189 7119 / E182CC 7199 E8086 - Walmart.com
MCINTOSH 275TS MC275 Vacuum Power Amplifier Amp Tube Set KT88 12AX7A 12AZ7 Used £1,742.99 - PicClick UK
SIX NOS VINTAGE SYLVANIA 12AZ7 MCINTOSH 275 AMP TUBE | #76667714
RCA 12AZ7 Tube * Tested 105/83 – The Turntable Store
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Philco 12AZ7 Vacuum Tube Black Plates New Old Stock Original Box - Etsy
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12AZ7, Tube 12AZ7; Röhre 12AZ7 ID5298, Double Triode | Radiomuseum.org
12AZ7 | RCA Tube Electrical Component
Westinghouse 12AZ7 Tube - NOS
12AZ7 | Tullielettronica.net
12AZ7, Tube 12AZ7; Röhre 12AZ7 ID5298, Double Triode | Radiomuseum.org
9 Pin Tube Socket Ceramic 12ax7 12au7 6dj8 El84 6922 6bm8 6bq5 6au8 12at7 6eu7 | Fruugo TR
NOS GE 12AZ7 Vacuum Tube | eBay
