Description: 6sn7 b65 tube fivre italy preamp tubes valve matched pair 6sn7gt vintage 1950's two tubes 6sn7 Fivre made in Italy , tested strong tubes tv7 tube tester test results 100/105 ; 98/94 (reference good at 50/50) reference of 100% = 80/80 brown base copper rods square getter grey plate ribbedyellow label on glasssame code #12 on glass same code of old production marked on glass rare vintage tubes for pre amplifier stage audio Double triodeSocket Octal K8AFilament Heater Vf 6.3 Volt / If 0.6 Ampere / Indirect / Parallel, ~ = (AC/DC)The 6SN7 was used as an audio amplifier in the 1940-1955 period, usually in the driver stages of power amps.The designer of the famous Williamson amplifier, one of the first true high-fidelity designs, suggested use of the 6SN7 (or B65) in his 1949 revision since it is similar to the original circuit's L63 (= 6J5 ) British single triodes, four of which were used in each channel of his 1947 circuit. VERY RARE TUBES VALVES FOR PRE AMPLIFIER PREAMP DRIVER box 154
Price: 999 USD
Location: Verona
End Time: 2024-11-23T14:10:50.000Z
Shipping Cost: 60 USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: Fivre
Type: NOS Tube
Custom Bundle: No
Model: 6sn7gt
MPN: 6sn7gt
Country/Region of Manufacture: Italy
Modified Item: No
