Welcome to Harrison Instruments, Inc.

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About Harrison Instruments

Harrison Instruments designs quality theremins using a variety of technologies, and fabricates prototypes for both consumer-direct and OEM (Original Equipment Manufacturer) requirements. The theremin, named for its inventor, Leon Theremin, was introduced in the 1920s as one of the first electronic musical instruments.

The owner of the company, Arthur Harrison, oversees the design and production of all Harrison Instruments theremins to provide the highest performance for cost, meeting his personal criteria for rugged, reliable and playable instruments.

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About Theremins

Theremins are distinguished by the fact that they are played without the performer touching the instrument. The musician moves his or her hands in proximity to the theremin to control the tone of the sound.

While mastering the theremin requires skill, the challenge is exciting, and the rewards are great. Few musical instruments are capable of such intimate expression, nor provide the unique visual appearance of performance.

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Harrison Instruments provides theremin parts, modules, and complete instruments. Our standard products include:

The Model 302 Theremin
Our Full-feature, Economical Performance Instrument

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for more information

The Minimum Theremin Kit 101
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for more information
(Minimum Theremin Kit 100 users, please click here)

The 204 Theremin
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The 204 Theremin Printed Circuit Assembly
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Please note that the Model 203 Theremin Circuit Module has been discontinued as of January 1, 2006.
Our Model 204 Printed Circuit Assembly is an improved, functionally-equivalent product.

The Model 151 Theremin
Our Full-feature Performance Instrument
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for more information

Theremin Components and Special-Order Items
Click here

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Harrison Instruments provides convenient on-line ordering. Use our shopping cart for fast, easy transactions with PayPal®. Your payment details are communicated in a secure, encrypted format through the PayPal® website using SSL (Secure Socket Layer) technology. As an added convenience, PayPal® will allow purchases with all major credit cards, even without a PayPal® account.

We do not share our customers' names, addresses, or any other personal information with any third parties, and do not send unsolicited information to our customers by postal or electronic mail.

Many of our popular items have shipping included. Shipping charges, when they apply, are calculated as follows.

Within the United States, including Alaska, Hawaii and possessions:
10% of the merchandise value or $10.00, whichever is greater.
Orders shipped to destinations in Maryland are subject to a 6% state sales tax.
Outside the United States:
$41.00 plus 10% of the merchandise value.

Shipping methods:

Harrison Instruments uses the most economic means of shipment consistent with reliable, secure, and timely service.

Within the United States, including Alaska, Hawaii and possessions:  United States Post Office Priority Mail Service. Orders usually arrive at the customer's address within 2 to 3 days from the time of shipment.

Outside the United States:  United States Post Office Priority Mail International. Orders usually arrive at the destination country within 6 to 10 days from the time of shipment. Additional delays may result from customs inspection within the destination country. These delays are not the responsibility of Harrison Instruments or the United States Post Office.

Please Note:  Harrison Instruments will refund the full value of merchandise only if it is returned within 45 calender days of receipt, and is unopened, undamaged, and in its original package, by crediting the purchaser's account. Harrison Instruments will not refund the original shipping and handling costs, nor the return shipping and handling costs, of returned merchandise. Harrison Instruments will not refund the shipping and handling costs of merchandise which is returned undeliverable due to incorrect address information provided by the purchaser or their agent, or the inability of the purchaser or their agent to accept merchandise upon delivery. Some postal carriers may require a customer signature for delivery of merchandise, and the inability to obtain a customer signature may result in non-delivery.

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Contact Us

We invite you to contact us with your OEM theremin requirements. In many instances, one of our existing designs may satisfy your needs, and we'll be happy to discuss custom designs, as well.

Write us at:

P.O. BOX 9012

or e-mail us at:

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Washington Music Center
11151 Veirs Mill Road
Wheaton, Maryland 20902

Phone: 301-946-8808

Gotham Sound and Communications, Inc.
330 W 38th St #105
New York, NY 10018

Phone: 866-468-4268

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©2014 by Harrison Instruments, Inc. All rights reserved.