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Acceptable forms of payment are:

Visa ©
Master Card ©
Discover ©
Paypal ©
Company Check
Money Order
Wire Transfer
C.O.D. (Cash On Delivery)
Open Account - Subject to approval by application only

All prices and ship dates subject to change due to material costs. Please note that the dates listed above are estimated ship dates and may vary. These dates are not your expected dock date. ERSE is not responsible for any shipping charges including air freight costs. All shipping charges above are estimated and may change on actual invoice. Start date of all custom manufactured items will begin when the P.O. is updated and confirmed with the information contained in the acknowledgment for the custom items and samples are approved.

Forms of payment including Check, Money Order, and Wire Transfer are for Pre-Payment only unless specific terms are granted by ERSE. Please note that a fee of $35 may be applied to all checks returned due to insufficient funds.


Shipping Methods

ERSE may ship your products using one of the following freight carriers:
UPS ®
FedEx ®
USPS Priority Mail ®
USPS First Class Mail ®

ERSE is not responsible for the cost of shipping goods to the customer. ERSE will package your products professionally and with care. Please choose the service that is specific to either freight company in the checkout process of your order. C.O.D. shipping method may include a shipping charge of up to $9.50. This charge is not controlled by ERSE, but by the shipping company that collects the funds and may change without notice.

Orders shipped by First Class Mail ® internationally or domestic do not have tracking availability and cannot be tracked or located after the package leaves our warehouse.


Handling Time

We at ERSE do our best to offer the fastest order processing time possible. When possible, orders may ship on the same day it was placed if the order is received at our location or online by 12:00 PM Easter Time and only on in stock items. However, orders can take 1 to 2 days to process and ship. This is due to our highly custom products and our manufacturing process. An in stock item status is only determined by our internal warehouse and not determined by our website. In stock item status may be different from what is displayed on the website at any time.


No Handling Fees

ERSE does not charge handling fees to package our products.


Tax on Purchases

Law requires that ERSE collect sales tax on purchases of 6.25% for residents of Ohio. This rate may change without notice, and change depending on the county of the bill to location. All residents and / or businesses that may claim tax exempt status must provide an Ohio Tax Exempt form before order is shipped.


Minimum Purchase Amounts

ERSE does not have minimum quantity requirements on any standard products listed in the web store. Some special orders or custom made products may be subject to a minimum purchase quantity. This quantity is dependent on the product. Please see specific product for details.

ERSE does require that all United States orders have a minimum purchase amount of $20.00. International orders require a minimum purchase amount that is dependent on your local currency. To find this amount please email us at sales@erseaudio.com or look at your shopping cart / checkout page for details.


Return Policy

ERSE offers hassle free returns on standard items. All returns may be accepted within 30 days after ship date. Returns will only be accepted with a Return Authorization (RA) number obtained by ERSE. If you have problems with your product please email ERSE with the part number, order number, and the problem you are having. ERSE will review your case and issue an RA if approved. Returns will be approved only for product defects or other damages caused by manufacturing or handling of products by ERSE. ERSE reserves the right to charge a 10% restocking fee of the original price for items that are not damaged or do not have product defects. Restock fees are not based on sales or promotional prices. Customer is responsible for return freight costs for products without damage or defects. The RA must be written on the outside of the package when returned. Please repackage your defective part carefully to minimize further damage during shipping.

NOTE: Any and all shipments refused by customer will be charged a restocking fee of 10% plus applicable outgoing and return freight plus any additional charges incurred from the shipping company due to refused shipment.

All used, tested, custom built items, or non-standard items are not returnable. These non-returnable items include custom built products not shown on the web catalog, standard or in-stock products modified or built to custom values, or products built to print or customer specifications. Please note that ERSE is not responsible for typographical errors, image / photo errors, or inventory errors.


International Ordering

ERSE welcomes all international orders and will ship to any country that law allows. International orders may require a minimum purchase amount. Freight charges calculated on www.erseaudio.com are estimated and may change on actual invoice or credit card bill. If shipping by USPS, ERSE is not responsible for shipping delays or additional charges due to your local postal service rules and regulations. If for any reason a customer services representative sees that your order will not conform to USPS or your local postal service rules and regulations, ERSE reserves the right to cancel or modify your order and / or modify your freight charges.

All freight charges, local taxes, and duty fees are the responsibility of the customer. If for any reason the customer fails to pay for their local taxes, duties, or freight, or and the charging entity asks ERSE for payment, ERSE reserves the right to charge any open balance of these fees to the customer's credit card or account without notice.

NOTE: Any and all shipments refused by customer will be charged a restocking fee of 10% plus applicable outgoing and return freight plus any additional charges incurred from the shipping company due to refused shipment.


Privacy Statement

We at ERSE value your business and will not sell, trade, or freely distribute any personal information to any persons or organizations. Any and all information gathered on our website is for internal use only and is used to better serve you as our customer.

Your shopping experience is safe and secure. Our web store and online servers are protected for your convenience. Please shop with confidence.

By shopping with ERSE, creating a purchase, or by registering with our website you agree to the collection and use of information provided by you. This information is for internal use only.


Pricing Subject to Change

ERSE reserves the right to change any price at any time due to material costs. We strive to offer the highest quality audio products at the lowest possible prices, and we will continue our efforts. Please note that all ship dates are estimated and may vary from order to order. All dates listed on sales orders are estimated ship dates and not estimated arrival dates. All shipping charges are estimated and may change on actual invoice or bill. All OEM order start dates will begin when a purchase order is updated and confirmed with a sales order acknowledgment and samples are approved if necessary.


Questions or Comments

If you have further questions that are not covered on this page please contact us HERE. Please allow up to 48 hours for us to fully review your request and respond.

You may also contact us by the following:

J & C Group, Inc.
6781 Hopkins Road
Mentor, OH 44060

(440) 205-9658

sales@erseaudio.com

  erseaudio logo Mundorf Jantzen Solen Intertechnik Result
Trade name XQ coils BL140 Perfect Lay Air Coils CU 1.4mm  
Wheeler formula Yes No Yes No No Higher DCR and lower Q factor
Varnish Impregnated Yes Yes Yes No No Varnish impregnated coils offer the lowest possible microfonic distortion
Hysteresis tension devices Yes No No No No Inconsistent winding factor and DCR’s
Precision Orthocyclic tooling matched to .001” Yes No No No No Improved matching of coils. Lower inductive tolerance.
Computerized layer winding Yes No No No No Improved layering and lower DCR.
Purity Guarantee
Click here for details
Yes No No No No Unknown purity and conductivity can result in smeared sound

Tolerance

1% 3% 1% 3% 3% Lower tolerances can assure your coil is closer to the advertised value
1.0mh #14AWG coil DCR CLAIMED 0.208 Ω 0.30 Ω 0.21 Ω NA 0.28 Ω Higher DCRs result in increased power loss and reduced performance.
1.0mh #14AWG coil DCR MEASURED 0.211 Ω 0.306 Ω 0.215 Ω NA 0.293 Ω Higher DCRs result in increased power loss and reduced performance.
  erseaudio logo Mundorf Jantzen Solen Intertechnik Result
Trade name EQ coils L100 Air coils NA CU 1.0mm  
Wheeler formula Yes No No NA No Higher DCR and lower Q factor
Bonded coil Yes Yes
optional
Yes NA No Bonded coils offer lower microphonic distortion
Hysteresis tension devices Yes No No NA No Inconsistent winding factor and DCR’s
Precision Orthocyclic tooling matched to .001” Yes No No NA No Improved matching of coils. Lower inductive tolerance.
Computerized Orthocyclic layer winding Yes No No NA No Improved layering and lower DCR.
Purity Guarantee
Click here for details
Yes No No NA No Unknown purity and conductivity can result in smeared sound

Tolerance

2% 3% 3% NA 3% Lower tolerances can assure your coil is closer to the advertised value
1.0mh #18AWG coil DCR CLAIMED 0.471 Ω 0.49 Ω 0.55 Ω NA 0.60 Ω Higher DCRs result in increased power loss and reduced performance.
1.0mh #18AWG coil DCR MEASURED 0.482 Ω 0.531 Ω 0.572 Ω NA 0.581 Ω Higher DCRs result in increased power loss and reduced performance.