6F6G FIVRE MATCHED Pair Tube Valve Röhre 1940 ' S 349a Western Electric We Pentode
Item History & Price
Reference Number: Avaluer:7113171 | Model: 6f6g |
Custom Bundle: No | Modified Item: No |
Brand: fivre | MPN: Does Not Apply |
Type: Power Tubes | Country/Region of Manufacture: Italy |
UPC: Does not apply |
Fivre Made in Italy Brown Base Pan getter Copper Rods full mica on top Old Production
Oval plate ribbed - Same Code IOI
6F6G = VT-66A = CV1911 ARP17 CV1186 KT63 NR85 349A
( 2 tubes = 2 pieces = 2 pcs = 2 valves = 2 Lampe )
Socket Octal K8A
Heater Filament Vf 6.3 Volt / If 0.7 Ampere / Indirect / Parallel ~ = ( AC / DC )
The 6F6G output pentode was d...esigned for audio amplification in radio receivers. The operating values given are for single ended use with an anode load of 7, 000 Ohms.
If a pair are used as an audio amplifier in push pull class A, 10.5 Watts are possible with 3% distortion.
The classic envelope is 42 mm in diameter and excluding the IO base pins the length is 95 mm.
Fully tested with tube tester TV7d/u calibrated
Test Results 105 / 97 ( 50 is the reference good on TV7d/u) strong emission and balanced
tube valve lampe röhre tsf 진공관 真空管 HAM RADIO audio hi-end hi-fi diy POWER AMPLIFIER roehre Pre-Amplifier Preamp Pri VINTAGE stereo SE Single Ended PP Push-Pull VACUUM TUBES röhren
box 47