Wharfedale Diamond 9.1 Upgrade Kit
$375.00
The price is per pair! The price of Sonicaps have just gone up and it caused a slight increase in the cost of this upgrade. This kit includes everything you need to correct a number of issues and take this speaker to another level across the board. Please see the videos and measurements in the accordion below. The kit includes all new parts, a set of tube connectors and new wiring *price does not include NoRes, if you need a sheet, order here.
Before
![crossover response](https://i0.wp.com/gr-research.com/wp-content/uploads/2022/10/crossover-response-3.jpg?resize=640%2C480&ssl=1)
![vertical off axis](https://i0.wp.com/gr-research.com/wp-content/uploads/2022/10/vertical-off-axis-5.jpg?resize=640%2C480&ssl=1)
![horizontal off axis](https://i0.wp.com/gr-research.com/wp-content/uploads/2022/10/horizontal-off-axis-5.jpg?resize=640%2C480&ssl=1)
![csd](https://i0.wp.com/gr-research.com/wp-content/uploads/2022/10/csd-11.jpg?resize=640%2C480&ssl=1)
![impedance](https://i0.wp.com/gr-research.com/wp-content/uploads/2022/10/impedance-12.jpg?resize=640%2C480&ssl=1)
After
![new crossover](https://i0.wp.com/gr-research.com/wp-content/uploads/2022/10/new-crossover-1.jpg?resize=640%2C480&ssl=1)
![new vertical off axis](https://i0.wp.com/gr-research.com/wp-content/uploads/2022/10/new-vertical-off-axis-1.jpg?resize=640%2C480&ssl=1)
![new horizontal off axis](https://i0.wp.com/gr-research.com/wp-content/uploads/2022/10/new-horizontal-off-axis-1.jpg?resize=640%2C480&ssl=1)
![new csd](https://i0.wp.com/gr-research.com/wp-content/uploads/2022/10/new-csd-1.jpg?resize=640%2C480&ssl=1)
![new impedance](https://i0.wp.com/gr-research.com/wp-content/uploads/2022/10/new-impedance-1.jpg?resize=640%2C480&ssl=1)