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HLC4.2 - High level converter

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High level converter
This converter is designed for use with head units in cars without RCA low level output from the head unit. Most modern car amplifiers are equipped with high level inputs and these work OK with older factory radios but often will not work with modern head units especially if they have digital output chips.

This converter is designed to work with all head units thanks to fully balanced input circuits.
The converter can be used for both 2 -and 4 -channel amplifiers and have up to 3v output to minimize noise in amp input section. Perfect for adding subwoofer to a OEM system with the EBC external remote.


Note: If using in 2 channel mode channels 1 & 2 must be connected for the signal sensing circuit to function.

Technical facts HLC4
Number of channels
: 4
Power supply: 12 V DC (min 10,8, max 15,6V)
Current draw, no signal: 4 mA
Current draw, operational: Typical 25 mA
Output voltage: 3 V RMS
Distortion: 0,002% THD @ 3V output, 10 kohm load
Clip point: 3,7 V RMS @ 14,4 V power supply
Output impedance: 200 ohms nominal
Input impedance: Ch. 1: 44 ohms, Ch. 2-4: 100 ohms, All channels are fully balanced
Sensing modes: DC level or Audio, both operate on Ch. 1 only.
Remote output: 12 Volts, max 100 ma max, protected against short term short circuit
Indicators: Green= Remote on, Blue = Audio sensing active
Reverse polarity protected.Summing output ch 3 + 4 for subwoofer amp when used with optional EBC

Article number(s)
CA-HLC4.2


 
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