=HM-7 (oxygen-free copper winding)=
MC trance
Primary impedance...( ) is when connecting the recommended load resistance
〇Primary series connection 12Ω (7 to 40Ω)
Secondary load resistance
Rated load resistance: 2.7KΩ
Recommended load resistance: 47KΩ
Boost ratio (gain): 15 times (23dB)
〇Primary parallel connection 3Ω (2 to 7Ω)
Secondary load resistance
Rated load resistance: 2.7KΩ
Recommended load resistance: 47KΩ
Boost ratio (gain): 30 times (29dB)
Frequency characteristics (-1dB): 10 to 80KHz (secondary load resistance 2.7KΩ)
Insertion loss: 2.3dB
Mass: 0.5Kg
Insulation resistance: 100MΩ or more at DC250V
Withstand voltage: AC250V...1 minute
