LL1584-3FXPHM is a transformer isolation unit for balanced-to-unbalanced conversion. The LL1584-3FXPHM is typically used when connecting a balanced preamplifier to a power amplifier (with unbalanced phono/RCA input connector).
LL1584-3FX3MX is a transformer isolation unit. The LL1584-3FX3MX is used to break up ground loops in balanced systems, for instance to eliminate hum when connecting active speakers.
LL1584-3FXNP2C is a transformer isolation unit for balanced-to-unbalanced conversion. The LL1584-3FXNP2C is typically used when connecting a balanced preamplifier to a power amplifier (with unbalanced ¼” jack input).
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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