Thank you for your purchase of the Upton Bass Revolution “SOLO” Double Bass Pickup.
Please follow these instructions during the installation of your pickup, failure to do may result in damage and void your warranty.
1. Remove the G string completely from the bass, remove felt washer if present. If you do not have a felt washer you can utilize the included rubber washer.
2. Thread the string through the jack clip as shown below, thread felt washer back onto string.
3. Install the G String back on the bass, adjust the Jack Clip so that it is facing toward the outside of the tailpiece as shown below. DO NOT tighten the string up to pitch! This allows the input jack to be slipped into place.
4. Upon purchase, the pickup element will be sized at 7mm to 8mm in thickness. Sizing to fit your bridge can be done in one of two ways: 1) removing thickness from the actual pickup using a block of wood and the piece of provided sand paper or 2) the wing space of the bridge can be widened using a small file. DO NOT remove wood from the side of the pickup branded with the RS. TAKE CARE not to remove wood without checking for a good fit, be sure to remove wood evenly, a little at a time, keeping the pickup and the bridge wing slot square and level. The pickup should be fit snug and tight, centered in the wing slot for optimal response and tone. The pickup should not be thinned to less than 4mm. If your bridge wing gap is less than 4mm, bridge modification will be needed. The pickup can be mounted in either direction with branded RS side up or down, preferably in the E string side of the bridge. This adjustment will change the response, tone and sound. If the pickup fit is not tight enough this will restrain the response and result in a nasal or weak tone. Too tight a fit will result in volume loss.
CAUTION: Damage caused to the wires during installation will not be covered by the manufacturer’s lifetime warranty; this includes mishandling the pickup and loosening the wires where they enter the pickup element. Pickup must not be thinned to less than 4mm. If your bridge wing is less than this, you will need to modify your bridge.
5. The Jack mounted on the pickup wire simply mounts on the back of the tailpiece via the nylon clip.
6. Above the pickup fully installed on the bass. Keep the wire lead from 1) touching the top or other areas on the bass 2) pig tailing or twisting (gentle “S” turn as in picture above left is recommended) 3) when viewed from the side the wire is a straight path. If the wires come in contact with the bass, rattles or buzzing may be heard when amplified.
Upton String Instrument Corporation
www.UptonBass.com
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