Ambient Level Settings
Use this table to estimate the general dBspl level of the area’s ambient noise if actual measurements are not available.
Typical Ambient Noise Level | Typical Environments | |||
|
|
|
| |
|
|
| Contruction Site | |
Very High Noise | Speech Almost | Machine Shop | ||
Impossible | Noisy Manufacturing | |||
|
| |||
|
|
| Printing Shop | |
|
|
|
| |
|
|
| Assembly Line | |
High Noise | Speech is | Supermarket | ||
Difficult | Transportation Waiting Room | |||
|
| |||
|
|
| Shipping/Warehouse | |
|
|
|
| |
|
| Must Raise | Noisy Office | |
|
| Restaurant | ||
Medium Noise | Voice to be | |||
Department Store | ||||
|
| Heard | ||
|
| Bank / Public Area | ||
|
|
| ||
|
|
|
| |
|
|
| Doctor’s Office | |
Low Noise | Speech is Easy | Hotel Lobby | ||
Hospital | ||||
|
|
| ||
|
|
| Quiet Office | |
|
|
|
|
Specifications
Gain (Boost): | 0 dB to 22 dB (± 1 dB) |
Frequency Response: | 5 Hz to 80 kHz (+0 / |
S/N (20 Hz - 20 kHz): | |
Distortion: | <0.007% |
Input Impedance: | Aux Input: Unbalanced 10 |
| Unbalanced Input: 20 |
| Balanced Input: 20 |
Output Impedance: | Unbalanced Output: 300 ohms |
| Balanced Output: 600 ohms |
Gain Ramp Speed: | 1 dB/s to 20 dB/s |
Power: | 12 V AC/0.4A |
Controls: | Maximum Boost, Ramp Speed,Activity Threshold,Ambient Threshold, |
| Aux Level, & Relative Gain |
Connector: | RCA types & pluggable screw terminals |
Weight: | 12 oz. |
Dimensions: | 51/4" W x 3" H x 11/4" D |
Indicators: |
13