6x5gt ez35 CV572 6X5 tube rectifier FIVRE italy MONO PLATE valve PRE amp black
one single tube 6x5gt fivre made in Italy old production
black mono plate
brown base
yellow label of old production
fully Tested with TV7
results as follow 60/54 (reference good start at 40/40) with old Fivre box red and black
6X5 = VT-126 = 6Ц5 = CV573 VT-126B Full-Wave Vacuum Rectifier
Base K8A
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect.
Perfect tubes for preamplifier preamp Pre-Amplifier
PREDECESSOR OF 7025 TUBES
box 142