Sylvania Technical Manual 1959
9 Pin Vacuum Tube Socket PCB for 12AU7 / ECC82 12 / ECC8AY7 12AZ7 12BH7 12BY7 57814 6189 7119 / E182CC 7199 E8086 - Walmart.com
MK BUEZEN HANDBOEK
electron Tube Data sheets - 1
4S Universal Preamplifier for 12A*7 Tubes
12AX7 - Wikipedia
7ab7 12CM6 | PDF
Tube type list
Beacon Tube Amps - TWIN TRIODE GAIN FACTORS The table below gives the gain factors for various twin triode preamp tubes with the same pin-out. All of them are drop in replacements.
1Pc chassis mount 9pin ceramic tube socket for EL84 ECC82 6922 12AX7 B * TOP2 | eBay
TORPEDO III Tubes
9 Pin Vacuum Tube Socket PCB for 12AU7 / ECC82 12 / ECC8AY7 12AZ7 12BH7 12BY7 57814 6189 7119 / E182CC 7199 E8086 - Walmart.com
12AZ7, Tube 12AZ7; Röhre 12AZ7 ID5298, Double Triode | Radiomuseum.org
electron Tube Data sheets - 1
9 Pin Vacuum Tube Socket PCB for 12AU7 / ECC82 12 / ECC8AY7 12AZ7 12BH7 12BY7 57814 6189 7119 / E182CC 7199 E8086 - Walmart.com
List of vacuum tubes - Wikipedia
FINAL POWER valve for amplification in AUDIO frequency
Tube type list
MK BUEZEN HANDBOEK
12AZ7
4S Universal Preamplifier for 12A*7 Tubes
Tube type list
Updated Tube Comparison Table
12AZ7, Tube 12AZ7; Röhre 12AZ7 ID5298, Double Triode | Radiomuseum.org
Popular Preamp Tubes | audioXpress
Tube type list
