Ultralow distortion and noise Audiophile Unbalanced to Balanced converter / preamplifier
The completely finished converter / pre-amp you can find here - https://www.ebay.com/itm/335338094379
The preamplifier converts any
unbalanced output signal to
balanced.
If you want to add versatility and flexibility but not sacrificing performance this converter is your choice.
Featuring ultra-low distortion and noise operational amplifiers OPA1612 / OPA1656, the converter transforms any unbalanced signal into a real Audiophile balanced signal.
Other Ultra-low distortion amplifiers and other audiophile stuff you can find here - www.kaltecs.com
Specification:
Two channels;
Frequency range - 20Hz to 100kHz;
THD+noise < -122dB (0.00006%) (input signal from 0.05V to 5.0V);
Power supply - from +/-5V to +/-15V, 50mA (low noise, low ripple), for example see this one: https://www.ebay.com/itm/335150362332;
Input impedance - 47kOhm.
Please note that you CAN NOT use the preamplifier to convert balanced to unbalanced signals!!!