Side View
Below is shown a side view of the 45CC configured with a
44AA Mouth Simulator
is shown. The
Headband Holder can be adjusted relative to the Ear Plates both horizontally and vertically. Hori
-
zontally it can be fixed in three positions, the adjustment range is 10 mm. This makes it possible
to test headphones with narrow, mid-sized or wide headbands. The vertical adjustment is 60 mm
from top to bottom. See page 27 for instruction on how to make these adjustments.
The
Positioning Guide
is described in detail on page 24. How you can adjust it for different
headphone sizes is shown on page 28.
A
B
C
D
10
20
30
40
50
10
20
30
40
50
Horizontal position relative to the ear plate:
+0, +5 and +10 mm
Vertical adjustment
Min: 75 mm
Max: 135 mm
Headband Holder
Neck
Positioning Guide
44AA
Mouth Simulator
Platform for Mouth Simulator
Ear Plate
12mm
Back
Front
Guide
pin
0
+1
0
-10
5
5
A
0
+1
5
-1
5
0
+1
5
-1
5
4 mm Allen
Key
Fig. 2.
Side view - here with mouth simulator.
Instruction Manual
GRAS 45CC Headphone Test Fixture | 2 1
