Description: 4 tubes type 77 Fivre NOS made in Italy same code tested on tube tester TV7D/U = 55 ; 55 ; 56 ; 56 (reference good at 31) mesh / punched silver shield copper rods silver foil gettersame inner structuretop springs support full silver getter shining mirror area black base old wide label Fivre yellow on glass same new old stock from bulk, top quality vintage preamp tubes matched quad 77 Fivre is a pentode preamp 77 = UZ-77 = 77E = A677 = ER77 = VT-77Socket is 6-Pin-Base U6A op contact with a cap.year 1933 first version Evolution 6J7 Filament Heater Vf 6.3 Volt / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC this is the previous version of 6J7 (base socket is different) 77 Fivre Socket is 6-Pin-Base U6A6J7 socket is octal box 191quad 3
Price: 599 USD
Location: Verona
End Time: 2024-11-24T14:49:50.000Z
Shipping Cost: 50 USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: Fivre
Type: NOS Tube
Unit Type: Unit
Custom Bundle: No
Model: 77
MPN: 77
Country/Region of Manufacture: Italy
Unit Quantity: 4
Modified Item: No
