CH A1 - Page 16

support discs provided with the A1. To use this optimal coupling, simply go through the following steps:
1. Place the A1 unit on a stable base at its approximate final position, for instance in your preferred audio rack. Make sure
cooling air is able to freely flow around the unit.
2. Gently lift the unit's corners and insert a support disc under each foot. The foot's elastomer ring should disappear in the
support disc's groove when properly placed. Carefully check all four feet perfectly fit in each support disc before pursuing
any further. The unit should stably rest on its feet at that point.
3. Unscrew the four top covers from the A1's shafts with the provided suction cup. Be careful not to scratch their delicate
finish.
4. Insert the adjustment spikes into each adjustment shaft.
5. Softly screw clockwise each adjustment spikes into the shaft with the provided screwdriver, until any resistance is felt (just
before the unit's corner starts to lift).
6. Then screw clockwise each spike by the same amount (for instance two full turns).
7. If the base is flat, the unit should be stable and horizontal. If not, correct the unit's stability and horizontality by turning
clockwise or anti-clockwise the required spikes.
8. If no CH Precision unit is to be stacked on top of the A1, screw the four top covers back. Otherwise, screw the four
polymer stacking caps instead, and gently lay down the unit to be stacked on top of it. Be very careful that both units are
perfectly aligned in order not to scratch the A1's top plate with the other unit's feet. Repeat steps 3 to 8.
Adjustment shafts, feet and spikes
(1) Adjustment shafts. Insert adjustment spikes and use screwdriver to secure and adjust individual feet spikes
(2) Feet
(3) Adjustment spike heads (when inserted into adjustment shafts)
(4) Adjustment spike
Never stack any component other than CH's on your A1. Never use the aluminum shaft covers (top covers) when another CH
component is to be stacked on top of your A1.
16 A1 User Manual Rev 2.0