| Model name |
SC-3120 |
SC-2500  |
SC-2120A |
| Applicable standards |
JIS C 1515:2004 Class 1/C
IEC 60942:2003 Class 1/C |
JIS C 1515:2004 Class 1
IEC 60942:2017 Class 1
ANSI S1.40-2006 (R2011) Class 1 |
JIS C 1515:2004 Class 2
IEC 60942:2003 Class 2 |
| Method |
Piston-phone |
Dynamic speaker |
Dynamic speaker |
| Applicable microphone |
1/2-inch microphone
MI-1211/1233/1234/1235 /, MI-1431/1432/1433
1/4-inch microphone
MI-1531*
*SC-0313 adapter attached to MI-3140 1/4-inch preamplifier is required. |
1/2-inch microphone
MI-1431/1432/1433 |
| Sound pressure level |
Nominal sound pressure level : 114 dB
Sound pressure deviation:±0.4 dB or less* |
Nominal sound pressure level : 114 dB
Deviation of sound pressure level:±0.25 dB or less* |
Nominal sound pressure level : 94 dB
Deviation of sound pressure level:±0.5 dB or less* |
| Total distortion |
2.5 % or less |
0.5 % or less |
0.5 % or less |
| Frequency |
Nominal frequency :250 Hz
Frequency deviation* ±0.4 % or less*
|
Nominal frequency :1000 Hz
Frequency deviation* ±0.5 % or less*
|
Nominal frequency :1000 Hz
Frequency deviation* ±1 % or less*
|
| Operating environment |
Air temperature : -10 to 50 ℃ (with no condensation)
Static pressure : 65 to 108 kPa
Relative humidity: 25 to 90 % (Excluding a combination of air temperature and humidity that exceeds dew-point temperature of 39 ℃ or higher.) |
| Power requirement |
Type AA battery (R6P or LR6) × 3 |
Type AA battery (LR6 or HR6)× 2 |
9V flat battery (6F22 or 6LR61) × 1 |
| Battery life |
2.5 hours or more continuous operation (when using R6P) |
4 hours or more continuous operation (when using LR6) |
20 hours or more continuous operation (when using 6F22) |
Outer dimensions
(not including protruded section) |
60 (W) × 38 (H) × 200 (D) mm |
84 (W) × 53 (H) × 76 (D) mm |
52 (W) × 45 (H) × 130 (D) mm |
| Weight |
Approx. 600 g (not including battery cells) |
Approx. 200 g (not including battery cells) |
Approx. 300 g (not including battery cells) |
| Accessory |
Instruction manual × 1
Barometer × 1
Type AA battery (R6P) × 3
Storage case × 1
SC-0312 (1/2-inch adapter) × 1
|
Instruction manual × 1
Type AA battery (LR6) × ２
|
Instruction manual × 1
9V flat battery (6F22) × 1 |