


QED Performance QE7741 Digital Audio Coaxial RCA Cable 0.75m
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QED Performance Digital Audio Cable 0.75m
Digital audio is often treated as simple. After all, the signal is just ones and zeros, right? Not quite.
Moving digital audio from a source to a DAC requires timing, precision and protection from interference. When those things aren't taken seriously, the result can be increased jitter, signal degradation and a system that's not performing at its best. Performance Digital Audio is designed to take care of that connection.
Using a true 75Ω cable geometry, low-loss dielectric materials and enhanced dual-layer screening, it's engineered to transfer digital audio accurately and reliably between source and DAC. The kind of thoughtful engineering that's built QED's reputation over more than five decades.
Whether you're connecting a streamer, CD transport or digital music source, Performance Digital Audio gives you the confidence that you've got this connection right.
Features
- True 75Ω characteristic impedance for accurate S/PDIF signal transfer
- Solid-core 99.999% oxygen-free copper conductor
- Low-loss foamed polyethylene dielectric
- Dual-layer shielding for enhanced protection against interference
- Low insertion-loss design to help preserve signal integrity
- Ultra-flexible TPE jacket for easy installation
- Gold-plated connectors for long-term reliability
Explore the full range in Audio Interconnects.
Specification
| Conductor Material | Solid 99.999% Oxygen-Free Copper |
|---|---|
| Conductor Construction | 1 × 1/0.58 mm (23 AWG) |
| Screening Material | Aluminium/Mylar Foil Plus Tinned Copper Shield Braid |
| Dielectric | Extruded Foamed Polyethylene |
| Loop Resistance | 0.075 Ω/m |
| Parallel Capacitance | 58 pF/m |
| Loop Inductance | 0.39 μH/m |
| Dissipation Factor | 0.0090 @10kHz |
| Characteristic Impedance | 75 Ω |
| Outside Diameter | 6 mm |
| Jacket Finish | Stone Grey TPE |
What's Included
- QED Performance Digital Audio Cable 0.75m
QED
About the QED QE7741
From our tech experts at CEN
The QED Performance QE7741 is a 0.75m coaxial digital audio cable with gold-plated RCA (phono) plugs. It carries S/PDIF digital audio from a streamer, CD transport or other digital source to a DAC or amplifier, with a true 75Ω impedance, a solid-core 99.999% oxygen-free copper conductor and foil plus tinned copper braid shielding.
Who it suits
The 0.75m length is the one for stacked or side-by-side components, such as a CD transport sitting on top of a DAC. If the source is on another shelf, step up to the 1.5m QE7744, or the 3m QE7747 for a source across the room.
Our tech experts advise
Use the socket marked coaxial or digital out on the source, not an analogue phono output, and select the coaxial input on the DAC. A coaxial digital link needs only one cable, not a stereo pair. Keep the run short and tidy where you can. See the full range in our QED collection.
Explore the full QED range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all QED
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Frequently Asked Questions
Q: What is the QED QE7741 used for?
A: The QE7741 carries coaxial S/PDIF digital audio between a digital source, such as a streamer or CD transport, and a DAC or amplifier with a coaxial (RCA) digital input.
Q: What impedance is the QE7741?
A: It is a true 75Ω cable, the correct characteristic impedance for S/PDIF coaxial digital audio.
Q: What length is the QE7741?
A: The QE7741 is 0.75m long. It is also available in 1.5m (QE7744) and 3m (QE7747).
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