Original price was: €179.95.Current price is: €159.95.

The UTM7077 NANO is a Push-Pull tube output transformer, 6.2kCT 4Ω, 8Ω and 16Ω + Cathode NF. Recommended for a Sansui AU70 amplifier. Ungapped.

Estimated Delivery:
Jul 22 - 05 Aug, 2024


For use in a high performance valve amplifier, where high output level and exceptional bandwidth are required. Designed for use with Push-Pull output stage or an AC coupled cathode follower or SRPP circuit driving a nominal 4Ω, 8Ω, and 16Ω speakers. Dedicated to Sansui AU70 power amplifier with the negative cathode feedback circuit.

Impedance: 6.2k:4Ω, 6.2k:8Ω, or 6.2k:16Ω
Wattage: 45W
Cathode feedback: yes
Winding Configuration: Interleave Winding
Frequency response @50Ω source, 8Ω load: +/- 0.5 dB 14 Hz to 90 kHz (Ap)
Max primary DC per side: 60mA
Primary Inductance: 240H @100Hz
Secondary Inductance: 200/400/700mH @100Hz
Total DC Resistance PRI: 160+160Ω
Total DC Resistance SEC: 1Ω
THD+Noise: <0.1% @ 1K Hz
Core Size: About EI86, stock 40mm, 12cm2, Nanocrystal double C core. Ungapped.
Double C package.
Weight: 2kg

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