Protocol converters
You can't connect two devices if they don't have the same interface in common.
You need to convert.
USB to SPDIF (coax or Toslink)
If your PC has USB out and your amp SPDIF in, you can try a USB to SPDIF converter.
An overview can be found here.
Behringer SRC 2496 AES/EBU - SPDIF $200,-
- High-end 24-bit/96 kHz A/D and D/A converters for ultimate signal purity
- Converts any sample rate between 31 and 100 kHz into 32, 44.1, 48, 88.2 or 96 kHz sample rates
- Flexible format conversion between AES/EBU and S/PDIF (coaxial or optical)
- Ultra high-quality signal output with 16-, 20- or 24-bit resolution
- High-precision quartz clock generator removes jitter and corrects off-tune, incorrect sample rates
- Extremely fast tracking supports varispeed applications
- All three outputs (XLR, RCA, optical) simultaneously operational (splitter)
- Inputs separately selectable (patchbay functionality)
- All digital inputs/outputs balanced and galvanically isolated
- All analog inputs/outputs servo-balanced
M-Audio: CO2 - Coaxial/Optical Bi-Directional Converter USD 79.95
- converts between optical and coax S/PDIF
- serves as a repeater to extend cable runs
- TOSlink optical and coaxial digital inputs
- TOSlink optical and coaxial digital outputs always active
- transformer-isolated RCA jacks prevent system ground loops
RCA to balanced
Long RCA cables are not recommended.
Here you find some products converting RCA to balanced audio using CAT5 up to 2500 ft.
© Vincent Kars May 2011