|The following tests were performed on a mid 70's Martin D-28.
The guitar was placed on its side and the string was struck with
a standard heavy guitar pick mounted on a spring-driven device
to ensure consistency of picking force between the two tests.
Care was taken to ensure that the placement of both the pick and
the microphone were also consistent.
|The above test shows the E string in our test guitar before installing
the bridge system.
With the JLD Bridge System installed, the guitar's volume jumps well off the graph.
JLD Guitar Research & Development
PO Box 5764
1-505-622-3694 - Don Kendall