Actual manufacturer Sylvania. Excellent balance between sections and near-perfect matching between tubes. From a small lot of identical tubes. Small signal (i.e. 12AX7) tubes are generally checked for noise and microphonics; power tubes (i.e. 6L6) are usually not.
ARS 5AR4/GZ34 Grey plate rectifier tube 100 each side NIB NOS!
I back my tubes up. The pictures shows a Mullard 5AR4/GZ34 Grey plate rectifier tube 100 each side NIB NOS! These are well regarded early Chinese production. Price reflects demand. Tube Tester Scale reads.
NOS NIB GE 5AR4 GZ34 Japan Rectifier Tube
We cannot be responsible for what tubes test in another tester.
Philips 5AR4/GZ34 Rectifier – DD-Getter – f32 X9F – 1959 Holland – Very Strong
Location/Date code X9F (visible on glass – see pics): X is Sittard Holland Factory, 9 is 1959, and F is June. The batch code, location/date code, tube construction, and specifications verify its identity.
(1) NOS Testing Mullard 5AR4/GZ34 F32 B5X5 OO Getter Guitar Audio Tube
(1) NOS Tested Mullard 5AR4/GZ34 OO Getter F32 Code Atduio Tube, Tests 59/62 with Min. Value being 40/40 so this tube test 100% (((((I do not lower declared value or write as gift due to US Laws))))) I no longer ship to China & Vietnam due to lost packages in Custom’s
2 x 5AR4 GZ34 Toshiba Vacuum Tubes Tested by TV-7
This vacuum tube has been tested using a TV-7 tube tester. Both plates tested at 58 to 60, which exceeds the minimum value of 40. Everything included in this sale is shown in the photographs.
(1) NOS/NIB Amperex Bugle Boy 5AR4 GZ34 Brown Base Rectifier Tube ~ TESTS STRONG
Up for sale is a RARE brown base GZ34 5AR4 Amperex Bugle Boy rectifier tube. Top dual “D” getters. Date code is f33 X9l. Manufactured in 1959! 5AR4 GZ34 Brown Base Tube. (1) NOS/NIB Amperex Bugle Boy.