Supra Cables USB 2.0 Excalibur A-B
11.400 RSD
1 m
2 m
Made in Sweden.
Supra Excalibur USB Audio Cable Review
Supra Excalibur USB Cable Review - An affordable high-end USB cable
Supra Excalibur USB 2.0 Type A to Type B Cable
Excalibur is Supra Cables' flagship USB audio cable, featuring OFC conductors with a 3.8% silver plating for optimal transmission of high frequencies and high speed data transfer. This cable also features separate and carefully designed conductors for data and power, meaning that both pairs are optimised for performance and to reduce crosstalk and RFI.
What Supra Cables say
Supra have for a couple of years been developing an ultimate USB Cable, the result was USB Excalibur. Their goal was simple: to make the world's best USB cable, with no compromises or shortcuts. Excalibur is a premium high speed cable with improved data and power transmission, a complement to the existing USB series.
Supra USB Excalibur is supplied in a black presentation bag, but you can use it to help protect the cable, if used in portable/remote situations.
Both the data pair and the power pair are optimised for their purpose, as the demands to transmit data and power are different.
The twisted data pair is made of PE insulated Silver-plated Oxygen Free Copper wires. The Silver layer is very thick, 3.8% of the total wire, for best conductivity and high velocity factor. Silver is great for high frequencies and high speed data transmission.
USB Excalibur, is optimised to handle 24-bit HD Audio and it's 90 Ohm characteristic impedance results in low attenuation.
The construction of the power conductors are totally different compared to the data pair. To avoid power losses and to maximize the conductor area we used 4 Tin-plated OFC wires in a star quad configuration. Star quad design and the seperate screen reduces any RFI greatly .
You probably recognise the design of the plugs - the USB plugs are siblings to our popular HDMI plug. Fully shielded in Aluminium.
The plugs are detachable to make it possible to route the cable within in 16 millimeter conduits including the contact. No more on-site cut-offs and re-soldering, jeopardising the typical Supra top notch performance.
Features
High Performance, High Speed - Uses a flexible cable with dual screens for the best RF pick-up protection.
One twisted pair for data (24-bit) and two star-quad pairs for power, with individual screens for minimal cross-channel interference.
Low capacitance and efficient noise rejection maintain signal integrity in long run interconnects.
PE-insulated wires with correct 90 Ohms impedance design.
24K gold plated and shielded connectors.
The connectors use aluminium housings to withstand tough applications and long term use.
Maximum Data Transfer Rate: 480 Mbits/second (as per USB 2.0 specifications).
Please note: While USB 2.0 and 3.0 are physically and electrically compatible, USB 3.0 is a dual-link system that is not currently used for USB Audio.
Specification
Mechanical Specifications
Standard USB 2.0 Hi-Speed
Connectors: USB Type A, Type B
Signal Direction: Bi-directional
Application Examples: Computer peripherals, DAC's
Data transfer rate: 480 Mbit/s
Solder: Tin Almit SR-34 Super
Cable strain relief: Cable Clamp
Electrical properties
Number of pairs: 2 pairs - using 6 conductors wired to 4 pins
Conductor area (Data): 2x 0.24 mm2 / 23 AWG
Conductor area (Power): 4x 0.24 mm2 / 23 AWG
Number of strands: 19 pieces
Strand dimension: Ø 0.127 mm
Conductor material (Data): Silver plated Oxygen-free 5N Copper
Conductor material (Power): Tin plated Oxygen-free 5N Copper
Insulation: Low capacitance PE
Shielding: Aluminized PET foil
Jacket: Heat and age resistant PVC
Flame retardant: No
External dimension: Ø 7.5 mm
Electrical performance
Data transfer rate: 480 Mbit / s
Resistance: TBA / kilometre
Capacitance: TBA / metre
Impedance: 90 Ohm
Velocity factor: 0.66x C (speed of light)
About Supra Cables
Supra Cables started in 1976 and have won an impressive number of awards all over the world, often in comparison with more expensive competitor cables. Supra cables philosophy is best described as plain and simple 'No-Nonsense-Design.' All products are manufactured from parts meeting the highest audible and measureable quality standards. Supra manufacture in their own dedicated production facilities in Ljungskile, Sweden, which are constantly monitored by certified quality staff to ensure the very highest quality standards across a wide-range of product lines.
Mechanical Specifications
Standard USB 2.0 Hi-Speed
Connectors: USB Type A, Type B
Signal Direction: Bi-directional
Application Examples: Computer peripherals, DAC's
Data transfer rate: 480 Mbit/s
Solder: Tin Almit SR-34 Super
Cable strain relief: Cable Clamp
Electrical properties
Number of pairs: 2 pairs - using 6 conductors wired to 4 pins
Conductor area (Data): 2x 0.24 mm2 / 23 AWG
Conductor area (Power): 4x 0.24 mm2 / 23 AWG
Number of strands: 19 pieces
Strand dimension: Ø 0.127 mm
Conductor material (Data): Silver plated Oxygen-free 5N Copper
Conductor material (Power): Tin plated Oxygen-free 5N Copper
Insulation: Low capacitance PE
Shielding: Aluminized PET foil
Jacket: Heat and age resistant PVC
Flame retardant: No
External dimension: Ø 7.5 mm
Electrical performance
Data transfer rate: 480 Mbit / s
Resistance: TBA / kilometre
Capacitance: TBA / metre
Impedance: 90 Ohm
Velocity factor: 0.66x C (speed of light)
Excalibur is a premium high-speed cable with improved data and power transmission, a complement to the existing USB series.
Both the data pair and the power pair are optimized for their purpose, transmit data, and power.
The twisted data pair is made of PE isolated silver-plated oxygen-free copper wires. The silver layer is very thick, 3.8% of the total wire, for best conductivity and high-velocity factor. Silver is great for high frequencies and high-speed data transmission.
The construction of the power conductors is totally different compared to the data pair. To avoid power losses and to maximize the wire area we used 4 tin-plated wires in a star-quad configuration. Star quad design and the separate screen reduces any RFI greatly.
You probably recognize the design of the plugs, the USB plugs are offspring of our popular HDMI plug. Fully shielded in Aluminium. The plugs are detachable to make it possible to route the cable in 16 millimeters conduits including the contact. No more on-site cut-offs and re-soldering, jeopardizing the typical Supra top-notch performance.
Superb reproduction of digital audio
27 MAR 2023
Tayo J.
Verified Buyer
This cable is simply excellent, period.
It performed brilliantly across many devices, and if you like your digital audio reproduced correctly on your amplifier and speakers, then look no further - it's that good.
Was this review helpful? 0 0
I recommend this product
Quality Product
21 DEC 2022
Neil
Verified Buyer
The package and cable are beautifully designed. The sound quality just got better with the new cable. I can enjoy songs for a long time without feeling tired.
Compared with the old cheap cable, the new cable sounds clearer, giving the speaker more ability to express every detail.
Was this review helpful? 1 0
I recommend this product
Excellent Product
11 NOV 2022
Philip Mansbridge
Verified Buyer
It made my sound more dynamic and smooth at the same time.
Well made.
Was this review helpful? 1 0
I recommend this product
I Do Not Ever Write Reviews, but This Deserves It.
3 NOV 2022
Luke
Verified Buyer
I went in with low expectations.
I experienced a shocking soundstage width and resolution upgrade over my old AudioQuest pearl. It has very pleasant characteristics and synergy with my system and is just what I needed.
Was this review helpful? 0 0
I recommend this product
It has the shine, the vocals are better, and the bass contro...
1 SEP 2022
Loke H.F
Verified Buyer
It has the shine, the vocals are better, and the bass control is tighter.
I also like the way my order was handled, as the initial address of my unit number was missing. I was immediately attended to, and Future Shop sent me another piece.
Thank you for your prompt service
Was this review helpful? 1 0
I recommend this product
Excellent Cable, Great Build Quality & Sound
16 JUN 2022
Jonathan Sabini
Verified Buyer
This cable was an upgrade from a Monolith by Monoprice USB cable, a holdover from an earlier lesser setup.
The Supra seems to have greater overall clarity and is massively overbuilt. It's very substantial and seems to be made of high-quality cable and connectors. It is a very large diameter, and the cable is pretty inflexible, making routing it more challenging since you don't want to put any bends or kinks in it.
The Excalibur is connected to my iMac, which I use as a Roon Core and for Apple Music, feeding a Schiit Yggdrasil OG/Unison USB DAC. The Yggy feeds a Burson Audio Soloist 3X GT amp, and a Schiit Jotunhein 2/Valhalla 2 as well. Headphones are ZMF Verite Open/Atrium, Focal Clear OG, and DCA Aeon 2 Noir.
The Excalibur cable did make a noticeable sonic improvement.
Was this review helpful? 1 0
I recommend this product
Balanced sound with good clarity. Value for money.
13 MAR 2022
K H Koh
Verified Buyer
Compared to my current cable, it sounded more precise with better separation. It is also more musical.
Was this review helpful? 1 0
I recommend this product
Great cable with clear audible improvement
3 DEC 2021
Anthony Jones
Verified Buyer
Buy this cable if you are unconvinced that the quality and design of a USB cable does not affect digital audio quality. I replaced a mid-priced USB A/B from a well-known cable company with the Excalibur, and I was staggered by the immediate improvement in digital audio quality.
Firstly, the USB A and B plug is locked into place more securely in the source and DAC. The annoying digital glare I had put up with for the last two years had gone, and orchestral instruments assumed solidity and sounded more accurate due to improved timbre. The background was blacker with a better definition between instruments. Whilst I am sure that lab measurements won’t unambiguously confirm why I hear these improvements, I don’t really care as I am sure the improvements are real. Final comment - if you use digital audio, buy this cable !
Was this review helpful? 14 0
Supra Excalibur USB Audio Cable Review
Supra Excalibur USB Cable Review - An affordable high-end USB cable
Supra Excalibur USB 2.0 Type A to Type B Cable
Excalibur is Supra Cables' flagship USB audio cable, featuring OFC conductors with a 3.8% silver plating for optimal transmission of high frequencies and high speed data transfer. This cable also features separate and carefully designed conductors for data and power, meaning that both pairs are optimised for performance and to reduce crosstalk and RFI.
What Supra Cables say
Supra have for a couple of years been developing an ultimate USB Cable, the result was USB Excalibur. Their goal was simple: to make the world's best USB cable, with no compromises or shortcuts. Excalibur is a premium high speed cable with improved data and power transmission, a complement to the existing USB series.
Supra USB Excalibur is supplied in a black presentation bag, but you can use it to help protect the cable, if used in portable/remote situations.
Both the data pair and the power pair are optimised for their purpose, as the demands to transmit data and power are different.
The twisted data pair is made of PE insulated Silver-plated Oxygen Free Copper wires. The Silver layer is very thick, 3.8% of the total wire, for best conductivity and high velocity factor. Silver is great for high frequencies and high speed data transmission.
USB Excalibur, is optimised to handle 24-bit HD Audio and it's 90 Ohm characteristic impedance results in low attenuation.
The construction of the power conductors are totally different compared to the data pair. To avoid power losses and to maximize the conductor area we used 4 Tin-plated OFC wires in a star quad configuration. Star quad design and the seperate screen reduces any RFI greatly .
You probably recognise the design of the plugs - the USB plugs are siblings to our popular HDMI plug. Fully shielded in Aluminium.
The plugs are detachable to make it possible to route the cable within in 16 millimeter conduits including the contact. No more on-site cut-offs and re-soldering, jeopardising the typical Supra top notch performance.
Features
High Performance, High Speed - Uses a flexible cable with dual screens for the best RF pick-up protection.
One twisted pair for data (24-bit) and two star-quad pairs for power, with individual screens for minimal cross-channel interference.
Low capacitance and efficient noise rejection maintain signal integrity in long run interconnects.
PE-insulated wires with correct 90 Ohms impedance design.
24K gold plated and shielded connectors.
The connectors use aluminium housings to withstand tough applications and long term use.
Maximum Data Transfer Rate: 480 Mbits/second (as per USB 2.0 specifications).
Please note: While USB 2.0 and 3.0 are physically and electrically compatible, USB 3.0 is a dual-link system that is not currently used for USB Audio.
Specification
Mechanical Specifications
Standard USB 2.0 Hi-Speed
Connectors: USB Type A, Type B
Signal Direction: Bi-directional
Application Examples: Computer peripherals, DAC's
Data transfer rate: 480 Mbit/s
Solder: Tin Almit SR-34 Super
Cable strain relief: Cable Clamp
Electrical properties
Number of pairs: 2 pairs - using 6 conductors wired to 4 pins
Conductor area (Data): 2x 0.24 mm2 / 23 AWG
Conductor area (Power): 4x 0.24 mm2 / 23 AWG
Number of strands: 19 pieces
Strand dimension: Ø 0.127 mm
Conductor material (Data): Silver plated Oxygen-free 5N Copper
Conductor material (Power): Tin plated Oxygen-free 5N Copper
Insulation: Low capacitance PE
Shielding: Aluminized PET foil
Jacket: Heat and age resistant PVC
Flame retardant: No
External dimension: Ø 7.5 mm
Electrical performance
Data transfer rate: 480 Mbit / s
Resistance: TBA / kilometre
Capacitance: TBA / metre
Impedance: 90 Ohm
Velocity factor: 0.66x C (speed of light)
About Supra Cables
Supra Cables started in 1976 and have won an impressive number of awards all over the world, often in comparison with more expensive competitor cables. Supra cables philosophy is best described as plain and simple 'No-Nonsense-Design.' All products are manufactured from parts meeting the highest audible and measureable quality standards. Supra manufacture in their own dedicated production facilities in Ljungskile, Sweden, which are constantly monitored by certified quality staff to ensure the very highest quality standards across a wide-range of product lines.
Mechanical Specifications
Standard USB 2.0 Hi-Speed
Connectors: USB Type A, Type B
Signal Direction: Bi-directional
Application Examples: Computer peripherals, DAC's
Data transfer rate: 480 Mbit/s
Solder: Tin Almit SR-34 Super
Cable strain relief: Cable Clamp
Electrical properties
Number of pairs: 2 pairs - using 6 conductors wired to 4 pins
Conductor area (Data): 2x 0.24 mm2 / 23 AWG
Conductor area (Power): 4x 0.24 mm2 / 23 AWG
Number of strands: 19 pieces
Strand dimension: Ø 0.127 mm
Conductor material (Data): Silver plated Oxygen-free 5N Copper
Conductor material (Power): Tin plated Oxygen-free 5N Copper
Insulation: Low capacitance PE
Shielding: Aluminized PET foil
Jacket: Heat and age resistant PVC
Flame retardant: No
External dimension: Ø 7.5 mm
Electrical performance
Data transfer rate: 480 Mbit / s
Resistance: TBA / kilometre
Capacitance: TBA / metre
Impedance: 90 Ohm
Velocity factor: 0.66x C (speed of light)
Excalibur is a premium high-speed cable with improved data and power transmission, a complement to the existing USB series.
Both the data pair and the power pair are optimized for their purpose, transmit data, and power.
The twisted data pair is made of PE isolated silver-plated oxygen-free copper wires. The silver layer is very thick, 3.8% of the total wire, for best conductivity and high-velocity factor. Silver is great for high frequencies and high-speed data transmission.
The construction of the power conductors is totally different compared to the data pair. To avoid power losses and to maximize the wire area we used 4 tin-plated wires in a star-quad configuration. Star quad design and the separate screen reduces any RFI greatly.
You probably recognize the design of the plugs, the USB plugs are offspring of our popular HDMI plug. Fully shielded in Aluminium. The plugs are detachable to make it possible to route the cable in 16 millimeters conduits including the contact. No more on-site cut-offs and re-soldering, jeopardizing the typical Supra top-notch performance.
Superb reproduction of digital audio
27 MAR 2023
Tayo J.
Verified Buyer
This cable is simply excellent, period.
It performed brilliantly across many devices, and if you like your digital audio reproduced correctly on your amplifier and speakers, then look no further - it's that good.
Was this review helpful? 0 0
I recommend this product
Quality Product
21 DEC 2022
Neil
Verified Buyer
The package and cable are beautifully designed. The sound quality just got better with the new cable. I can enjoy songs for a long time without feeling tired.
Compared with the old cheap cable, the new cable sounds clearer, giving the speaker more ability to express every detail.
Was this review helpful? 1 0
I recommend this product
Excellent Product
11 NOV 2022
Philip Mansbridge
Verified Buyer
It made my sound more dynamic and smooth at the same time.
Well made.
Was this review helpful? 1 0
I recommend this product
I Do Not Ever Write Reviews, but This Deserves It.
3 NOV 2022
Luke
Verified Buyer
I went in with low expectations.
I experienced a shocking soundstage width and resolution upgrade over my old AudioQuest pearl. It has very pleasant characteristics and synergy with my system and is just what I needed.
Was this review helpful? 0 0
I recommend this product
It has the shine, the vocals are better, and the bass contro...
1 SEP 2022
Loke H.F
Verified Buyer
It has the shine, the vocals are better, and the bass control is tighter.
I also like the way my order was handled, as the initial address of my unit number was missing. I was immediately attended to, and Future Shop sent me another piece.
Thank you for your prompt service
Was this review helpful? 1 0
I recommend this product
Excellent Cable, Great Build Quality & Sound
16 JUN 2022
Jonathan Sabini
Verified Buyer
This cable was an upgrade from a Monolith by Monoprice USB cable, a holdover from an earlier lesser setup.
The Supra seems to have greater overall clarity and is massively overbuilt. It's very substantial and seems to be made of high-quality cable and connectors. It is a very large diameter, and the cable is pretty inflexible, making routing it more challenging since you don't want to put any bends or kinks in it.
The Excalibur is connected to my iMac, which I use as a Roon Core and for Apple Music, feeding a Schiit Yggdrasil OG/Unison USB DAC. The Yggy feeds a Burson Audio Soloist 3X GT amp, and a Schiit Jotunhein 2/Valhalla 2 as well. Headphones are ZMF Verite Open/Atrium, Focal Clear OG, and DCA Aeon 2 Noir.
The Excalibur cable did make a noticeable sonic improvement.
Was this review helpful? 1 0
I recommend this product
Balanced sound with good clarity. Value for money.
13 MAR 2022
K H Koh
Verified Buyer
Compared to my current cable, it sounded more precise with better separation. It is also more musical.
Was this review helpful? 1 0
I recommend this product
Great cable with clear audible improvement
3 DEC 2021
Anthony Jones
Verified Buyer
Buy this cable if you are unconvinced that the quality and design of a USB cable does not affect digital audio quality. I replaced a mid-priced USB A/B from a well-known cable company with the Excalibur, and I was staggered by the immediate improvement in digital audio quality.
Firstly, the USB A and B plug is locked into place more securely in the source and DAC. The annoying digital glare I had put up with for the last two years had gone, and orchestral instruments assumed solidity and sounded more accurate due to improved timbre. The background was blacker with a better definition between instruments. Whilst I am sure that lab measurements won’t unambiguously confirm why I hear these improvements, I don’t really care as I am sure the improvements are real. Final comment - if you use digital audio, buy this cable !
Was this review helpful? 14 0
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