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Original performance guaranteed with our service. The older Infinities are great and have become classics. Don't compromise their quality with a cheap refoam job. We restore them to their original specifications. Here's the facts on refoaming: must be positioned such that the voice coil doesn’t rub the magnetic pole pieces. One method is to cut out the dome cap in the center of the cone and insert shims. This destroys the original dome cap and a generic replacement changes the frequency response and the sound of the speaker. We don't use shims, and leave the dome cap completely intact. The other method of alignment is to move the cone-coil assembly around until you don’t hear the coil scrape metal. This does not center the coil accurately at all. This is true even when using low frequency test tones, as all they do is make the scraping louder. They give no indication of when the coil is in the center of the magnetic field. We avoid these problems with our exclusive electronic coil alignment process that centers the coil with perfect symmetry. The dome cap is undisturbed, retaining the original frequency response, and the coil is aligned the same as it left the factory for linear cone movement and minimum distortion. We check the following: Impedance Buzz and rattle Integrity of dome attachment to cone Integrity of coil attachment to cone Integrity of coil attachment to spider Spider adhesion to frame Integrity of magnet, plate, and frame attachments Accelerometer output and distortion Input lead integrity and dress We clean the input terminals if needed. We also use polyether foam which lasts much longer than other types of foam, along with Airflex adhesive. It remains flexible, the same as that used for original construction.
by Bill Watkins. Guarantee is five years. We also repair a few other select brands. _____________________________________________________________ Prices And Shipping Instructions Cost to refoam and align woofer coils: 15 inch $175/pair 12 inch $165/pair 10 inch $155/pair 8 inch or less $145/pair Cost to refoam and align mid-range coils: $145/pair Add cost for packing, insurance, and shipping as follows: 15 inch - PER PAIR East $24 West $30 12 inch - PER PAIR: East $22 West $28 10 inch - PER PAIR: East $20 West $24 8 inch or less and mid-range - PER PAIR East $18 West $22 Infinity control woofers are $100.00 each for repair and their associate woofers are $80.00 each. This due to the extra work and care needed with them. Also add $5.00 each for extra shipping insurance due to their value. Payment by personal or business check included with speakers is preferred. Otherwise mastercard, visa, or paypal. Warranty is five years on any part we replace and any work we do. -------------------------------------------------------------------------------------------------------------- Packing and Shipping Instructions: Remove the speaker from the cabinet by removing the screws that hold the speakers in. Before disconnecting the two wires (four for dual-drive) be sure to tag the wires and speaker terminals or draw a "map" to insure correct reinstallation. Bolt or tie-strap the speakers together, face-to-face. Use packing all around such that speakers do not touch the shipping box. Several layers of bubble pack works well. Ship by UPS to: Watkins Engineering Inc.
www.davidsaudio.com
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