LL1584-PHF3MX is a transformer isolation unit for unbalanced-to-balanced conversion. The LL1584-PHF3MX is typically used when connecting an unbalanced preamplifier to a power amplifier (with balanced XLR connector). Transformer turns ratio 1:1 Connectors: XLR-F — XLR-M Cable Length: No cable Max Prim. Level. 1% dist, 50Hz: 17 dBU
Transformer static resistance primary + secondary: 640 ohms
Core: Amorphous strip core
Max signal level (THD less than 1%): +17 dBU @ 50 Hz
No-load impedance @0 dBU, 50Hz 11 k ohms typically
Frequency response @ 0 dBU (source 150 ohms, load 10k ohms) 10 Hz - 70 kHz +/- 0.5 dB
Distortion (THD) at 50 Hz (source 150 ohms) < 0.2 % @ 50 Hz, for all signal levels -2 through
+16dBU
Loss across transformer with load 10k ohms 0.5 dB
Isolation between input and output sides: 1 kV
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