
Acoustic Revive R-AU1-PL
Product Condition
Brand New | Unused, as sold. |
---|---|
Mint | Like new, no flaws. |
Excellent | Barely used, very minor wear. |
Very Good | Light wear, fully functional. |
Good | Visible wear, plays fine. |
Fair | Heavy wear, still playable. |
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Description
Description
Revolutionary structure with completely separate signal and power lines
A USB cable contains both a signal line that transmits digital signals and a power line that supplies bus power. When signal lines and power lines are mixed together, they are affected by the magnetic and electric fields generated by each other, resulting in a significant degradation in quality.
The biggest drawback of USB cables, which are designed solely for convenience, lies in their cable structure. No matter how high-performance the conductors, insulation, and shielding, mutual interference between the signal lines and power lines cannot be avoided, and excellent transmission characteristics and sound quality cannot be expected.
The R-AU1-SP and R-AU1-PL utilize a groundbreaking design developed by ACOUSTIC REVIVE that completely separates the signal and power lines. The use of dedicated 2-core shielded cables for the signal and power lines ensures high-quality sound without transmission degradation due to mutual interference.
The insulation material is a fluororesin with an excellent dielectric constant. It is the insulation that has a greater impact on the transmission characteristics of a cable than the conductor. The dielectric constant is a numerical value that expresses the performance of an insulation material. This dielectric constant represents the force that tries to stop the flow of electricity, and the lower the value, the higher the performance of the insulation material.
However, the insulation material used in most USB cables currently on the market is PVC (polyvinyl chloride), which has a dielectric constant of 5.6, and even expensive audio USB cables are insulated with PE (polyethylene), which has a dielectric constant of 2.3 to 2.4 at best. In contrast, fluororesin has a dielectric constant of 2.1, the lowest dielectric constant currently available among insulating resin materials. The R-AU1-SP, with its fluororesin insulation, achieves overwhelming transmission performance.
Natural silk cushioning prevents static electricity
The R-AU1-SP and R-AU1-PL use natural silk as a buffer material, which reduces the effects of vibration through its vibration-damping effect and also prevents the generation of static electricity, further refining the excellent transmission characteristics.Natural silk is difficult to charge itself and prevents the generation of static electricity, but it is not only effective; even if it does become charged, it will be charged with a positive (+) potential, so when combined with a resin insulating material that is charged in the negative (-) direction, it has the effect of canceling out static electricity.
Copper shielding provides excellent shielding characteristics in the audio band
The R-AU1-SP and R-AU1-PL use copper shielding, which offers excellent shielding properties in the audio band, which is the most important for music production and playback. Aluminum and other light metal shields are excellent at shielding high frequencies, but are inferior in the all-important audio band, and are prone to developing unique tonal characteristics. Copper shielding, on the other hand, does not develop tonal characteristics and tightly shields the important audio band, preventing external noise from entering.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
For orders exceeding Paypal’s transaction limit of 1 million yen, we will provide more details. For secure transactions, items will only be shipped to the address registered in your Paypal account.
Regarding detailed information and contact information to us, please check FAQ.
Please Note
The following information applies to international orders.
■ Condition
Items with “USED” in the product name are pre-owned and will be delivered as shown in the photos. Signs of wear may be present. All items are function-tested by our staff and rechecked before dispatch.
■ Stock
Many products are stocked across Ikebe stores in Japan. As a result, shipment may take several days. In-store sales may also cause items to sell out. If an item is unavailable, we will contact you promptly; in that case, the order will be canceled and any payment will be refunded.
■ Shipping
We ship via FedEx. Shipments are fully insured against damage or loss during transit.
- Asia: 10–20 days (estimated)
- North America & Oceania: 20–30 days (estimated)
Shipping costs are calculated based on the delivery address and confirmed at the time of dispatch.
■ Taxes & Duties
Import duties, taxes, and fees are the buyer’s responsibility and are not included in the item price or shipping cost. These fees are typically collected by the carrier upon delivery or at pickup. Please check with your country’s customs office for details before purchasing.
■ Other
We cannot declare a reduced item value or mark purchases as gifts.
* Warranty
Our product warranty is valid only within Japan.
* Voltage
All electrical products are intended for the Japanese market and are designed for 100 V operation.

About us
Founded in 1975, Ikebe Music is one of Japan's largest general music stores.Thanks to its long history and proven track record, it has earned the trust of musicians and music fans not only in Japan but around the world.
Ikebe Music ships not only within Japan, but also overseas.As a well-known retailer of used musical instruments in Japan, we have a wide selection of used and vintage instruments.
We have a wide variety of unusual and rare instruments, so please take a look.Please note that we do not list new products, as our contracts with our suppliers prohibit international shipping.
About our stores
In Japan, we have about 30 stores in Tokyo (Ikebukuro, Shibuya, Akihabara) and Osaka.
We have just opened our flagship store, IKESHIBU (IKEBE SHIBUYA), in Shibuya, Tokyo, which brings together numerous musical instrument specialty stores and serves as a hub for entertainment culture.
Please be sure to stop by if you are visiting Japan.


About Shipping





We carefully pack every item with protective materials to ensure it arrives safely.
The photos above show an example of how we securely pack a bass guitar for shipping.