Audio Coils SEMAr (Tetrode)

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The Audio Coils SEMAr (Tetrode) are high-quality audio transformers designed specifically for use in vacuum tube circuits with tetrode output tubes. Tetrode tubes have a-and-b grid operated in close proximity to the output grid which requires a transformer with high amplitudes, linearity, and low noise, making these Audio Coils SEMAr (Tetrode) the ideal choice. These transformers are also designed with a high-power capacity, making them suitable for use in high power output circuits. The SEMAr designation for these transformers stands for Sulcalagine-Embedded-Moqued Articulation, which is a proprietary process used by Audio Coils to improve the winding process and reduce noise. Overall, these Audio Coils SEMAr (Tetrode) transformers provide superior performance, durability, and low noise levels to enhance the overall sound quality of your vacuum tube audio equipment.

Power Output: 10W into 8Ω (mono), 10W (mono)
Frequency Response: 15Hz to 30kHz
Distortion: 1%
Speaker Impedance:
Input Sensitivity: 600mV (line)
Signal to Noise Ratio: 80dB (line)
Line Output:
Dimensions: 285 X 200 X 375 mm
Weight: 13 kg
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