Output power: 10W
Primary resistance: 2.5-3.3-4 kOhm
Secondary resistance: 0-4-8 Ohms
Frequency response: 20Hz-30KHz -2dB
Iron core: 22mm x45
Dimension: 67mm x78mm x81mm (H)
Weight: 1.7kG each
Application: 6P3P, 2A3, 300B, EL34, KT88, FU7, FU50, etc.