Sony TC-K777ES & TDK MA-X.
Frequency Response Pink & White Noise and Frequency Response Sweep.
Level -20 dB, -10 dB, 0 dB = 250 nWb/m ANSI
Vintage Audio - repair - operation - adjustment - photo
Sony TC-K777ES & TDK MA-X.
Frequency Response Pink & White Noise and Frequency Response Sweep.
Level -20 dB, -10 dB, 0 dB = 250 nWb/m ANSI
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