UTM7135
The UTM7135 is a 3.5k to 2Ω, 4Ω or 8Ω tube output amorphous transformer. Recommended for A-Class 300B-based amplifiers (Single Ended circuits).
Description
The UTM7135 is a 3.5k to 2Ω, 4Ω or 8Ω tube output amorphous transformer. Recommended for A-Class 300B-based amplifiers (Single Ended circuits).
Impedance: 3.5k:2Ω, 3.5k:4Ω, or 3.5k:8Ω
Wattage: 15W
Cathode feedback: No
Winding Configuration:Â Interleave Winding, 2 Mirrored Bobbins
Frequency response @50Ω source, 600Ω load: +/- 0.5 dB 14 Hz to 40 kHz (Ap)
Max primary DC: 90mA
Air gap: 125um
Primary Inductance: 60H @100Hz
Secondary Inductance: 4 x 8mH @100Hz
Total DC Resistance PRI: 300Ω
Total DC Resistance SEC: 4×0.2Ω
THD+Noise: <0.1% @ 1K Hz
Core Size: O-style, Amorphous, Gapped.
Weight: 2610kg
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