is a division of RAM Labs and Music Reference. Founded in 1981 by world reknowned audio designer, Roger A. Modjeski. RAM Labs and Music Reference is dedicated to offering the finest high-end audio products possible at real world prices.

Contact Us:
RAM Labs/Music Reference
San Pablo, CA

Email or Call:


All prices are in U.S. funds.

California residents only: Orders will be charged 7.75% sales tax.

Power Tube Matching: Prices for power tubes are for individual tubes. Sets of two, four, six or eight power tubes will be matched at slight additional charge as bigger sets are harder to find mates. Our competitors generally have pairs only and try to give you close pairs to make larger sets. We generally match from test batches of 200+ tubes.

Payment Options: We accept MasterCard and Visa and paypal. If you prefer to pay by money order you can print your order and mail it to the above address with payment enclosed. International orders please paypal.

Shipping: Shipping charges are based on the total weight of your order. We ship via US Mail (US Orders Only), FedEx and FedEx Ground. Shipments are insured; we will provide tracking upon request. Shipping charges will be displayed with your order after you enter your shipping information but before you enter your billing information or make payment.

Warranty: The warranty on equipment is one year for parts and labor. The warranty on tubes is 90 days. Please contact us for a return authorization before sending any tubes or equipment back. Returned tubes or equipment must be in the original box. Tubes subjected to abuse are not covered by this warranty.