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Check out these great deals on modules I've built for the Eurorack and Buchla format!

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Shop Policies

Shipping Policy

Free shipping to the continental United States! Alaska, Hawaii, and international shipments may incur additional charges. All packages will be shipped with tracking & signature confirmation via USPS (unless noted otherwise). Orders over $500.00 will ship with insurance in the amount of the final purchase price.

Return Policy - NEW ITEMS

Returnable within 30 days of delivery.

Return Policy - USED & VINTAGE ITEMS

Not accepted. Items are sold "as-is." Please review all product images and details carefully prior to purchase.

General Terms

Items must be returned in original, as-shipped condition with all original packaging and no signs of use. Buyer assumes responsibility for all return shipping costs unless the item was not received as described.


Buyer receives a full refund in their original payment method less any shipping charges.

Special Conditions

Any hardware built by me is guaranteed to work as intended and comes with a one-year limited warranty starting from the date of purchase. This covers defective components and improper assembly. It does NOT cover damage or malfunction resulting from the following: wrong power supply voltages, a backwards or reversed power cable connection, abuse or misuse of the hardware, accidental damage, lightning, power surges, other acts of nature, or causes determined by H. B. Cstudios to be the fault of the user. During the period of warranty, any defective hardware will be repaired at the expense of H. B. Cstudios. Upon receipt of payment, a serial number will be assigned to all hardware and issued via Reverb messaging. All hardware purchased after December 15, 2017 will also have this number affixed to it in the form of a small sticker label. Please keep track of this number for your records as you will be required to provide this form of identification in order to receive return authorization.