Ultra-high performance, completely transparent RCA to XLR true balanced converter.
The board incorporates ultra-high performance op-amps from Burr-Brown (Texas Instruments), including the OPA1622 and OPA1632. It also incorporates two extremely low noise linear regulators (LDOs), LT3042 and LT3090 to achieve the best possible performance.
The acrylic case may be purchased at this link.
Input impedance (RCA): 47kΩ
Output impedance (XLR): 100Ω
Input Power Voltage: 9V +/-5%
Input Power Connector: Barrel Plug (2.1mm I.D. x 5.5mm O.D. x 9.5mm) – center positive
Max Output Voltage: 8 Vrms (20.28dBu)
Max Output Current: 70 mArms
Signal-to-Noise Ratio (SNR), 8Vrms Output: 132dB
Frequency Response: DC – 80kHz+
This may be purchased as a bare board, in this case, you have to purchase all components and assemble (solder) yourself.