Thor Fiber AES/EBU Digital Audio Fiber Optic Converters are designed for high-fidelity, long-distance transport of AES3 digital audio over optical fiber. These units provide a clean solution for eliminating ground loops, reducing interference, and extending balanced audio links far beyond copper limitations.
The system supports transmission compliant with AES3, IEC60958, S/PDIF, and EIAJ CP1201 standards, delivering stable performance for broadcast, pro AV, stadiums, houses of worship, studios, and other mission-critical installations.
Thor Fiber units offer plug-and-play installation, real-time LED status monitoring, and a rugged hardware platform built for continuous operation. Single-mode fiber models support up to 20km, with extended-distance versions available upon request.
Supports AES3 / IEC60958 / S/PDIF / EIAJ CP1201
Supports 16-bit / 18-bit / 20-bit / 24-bit audio word lengths
Sampling rate support from 28 kHz to 192 kHz
Ultra-low jitter clock recovery with automatic jitter conditioning
High input jitter tolerance for stable real-world sources
Single-fiber transmission options (depending on model)
Status LEDs for power and fiber link monitoring
No software required (true plug-and-play operation)
Available in multiple channel counts for scalable systems
Broadcast and TV production facilities
Stadiums, arenas, and live event venues
Hotels, campuses, and enterprise AV networks
Houses of worship audio distribution
Remote audio transport between racks / buildings
Audio bridging where copper introduces noise or distance limitations
| Thor Fiber Part Number | Configuration |
|---|---|
| F-2AES-TX/RX | 2-Channel Forward AES/EBU Digital Audio Fiber Converter (Pair) |
| F-4AES-TX/RX | 4-Channel Forward AES/EBU Digital Audio Fiber Converter (Pair) |
| F-8AES-TX/RX | 8-Channel Forward AES/EBU Digital Audio Fiber Converter (Pair) |
| F-16AES-TX/RX | 16-Channel Forward AES/EBU Digital Audio Fiber Converter (Pair) |
| Thor Fiber Part Number | Configuration |
|---|---|
| F-2AES-B-TX/RX | 2-Channel Bidirectional AES/EBU Digital Audio Fiber Converter (Pair) |
| F-4AES-B-TX/RX | 4-Channel Bidirectional AES/EBU Digital Audio Fiber Converter (Pair) |
| F-8AES-B-TX/RX | 8-Channel Bidirectional AES/EBU Digital Audio Fiber Converter (Pair) |
Note: Units are supplied as a matched Transmitter + Receiver pair, unless otherwise specified.
| AES/EBU (AES3) over Fiber – Specifications | |
|---|---|
| Fiber Parameters | |
| Wavelength | 1310nm & 1470nm~1610nm (selected according to device function) |
| Transmitter Optical Power | -3 ~ -7 dB |
| Receiver Sensitivity | > -24 dB |
| Fiber Connector | ST/PC Single-mode (standard) |
| AES/EBU Digital Audio (AES3) – Detailed I/O | |
| Standard / Compliance | AES/EBU under AES3-1992 (ANSI S4.40-1992, IEC 958). AES3 is a professional digital audio interface typically carrying 2 channels of PCM audio (stereo) per AES3 stream over 110Ω balanced twisted pair. |
| Transmission Direction | 1 or 2 Ways (Forwards & Backwards) - Model Dependendt Supports bidirectional transport so both ends can send/receive AES3 concurrently (depending on model/channel configuration). |
| AES/EBU Audio Input | |
| Number of Channels | 2 Ch – 16Ch -1 Way / 2-8ch -Bi-directional |
| Input Connector | XLR (female) |
| Input Impedance | 110 Ω (balanced) |
| Max Input Voltage | 3.3 V |
| Supported Sampling Frequency | 20 kHz ~ 216 kHz |
| AES/EBU Audio Output | |
| Number of Channels | 2 Ch or 1 Ch |
| Output Connector | XLR (male) |
| Output Impedance | 110 Ω (balanced) |
| Typical Output Voltage | 3.3 V |
| Supported Sampling Frequency | 20 kHz ~ 216 kHz |
| Jitter | < 0.005 UI p-p |
| Rise/Fall Time | < 25 ns |
| Audio Parameters (General) | |
| Dynamic Bandwidth | 140 dB |
| Total Harmonic Distortion (THD) | -120 dB |
| Sampling Frequency | 192 kHz |
| Audio I/O Impedance | 110 Ω balanced |
| Max Audio I/O Voltage | 2 ~ 7 V |
| Audio Physical Interface | XLR female connector (transmitter) XLR male connector (receiver) |
| Power Parameters | |
| Input Power Requirements | DC 5V @ 2A |
| Power Adapter | AC 90V ~ 240V |
| Power Consumption | < 5 W |
| Desktop Type (Alt. Power Spec) | DC 12V 1A |
| DC Power Connector | 5.5 × 2.5 mm (DC5525) |
| Power Dissipation (Alt.) | < 2 W |
| Rack-mounted Type (Alt. Power Spec) | AC 110 ~ 240V, 50/60Hz |
| Rack Power Interface (Alt.) | 3-pin shape base |
| Overload Current Protection | Support |
| Electrical & Mechanical | |
| Stand-Alone Dimensions | 168 mm × 154 mm × 45 mm |
| Shipping Weight | (Transmitter + Receiver) 2.0 kg |
| Environmental & Reliability | |
| Operating Temperature | -20°C ~ +75°C |
| Storage Temperature | -40°C ~ +85°C |
| Relative Humidity | 0% ~ 95% (non-condensing) |
| Working Lifetime / MTBF | > 100,000 hours |
| Notes (AES over Fiber): • AES/EBU (AES3) is a digital audio interface; the device transports the AES3 bitstream over optical fiber for long-distance, EMI-immune links. • 110Ω balanced XLR AES3 is commonly used in broadcast and pro-audio for reliable digital audio distribution. • Jitter spec (<0.005 UI p-p) indicates very stable clock/data recovery, important for downstream AES receivers and audio integrity. |
|
```
1 Video 2 Audio 1 DVB-ASI or SDI over Fiber
The F-1V2A1ASI is a Baseband Analog Video / Audio and Digital Video / Audio - SDI or ASI fiber optic transmission system over single fiber. It multiplexes video, Audio, SDI, or ASI and sends it over 1 strand of fiber for up to 120KM
2-32 Audio Over Fiber - RCA Connector
RCA Audio over Fiber Transmission System sends 2-32 channels of RCA line level audios over one multi-mode or one single-mode optical fiber. Plug and Play units, easily deployed, and exceptional reliability.