Roseville CA 95678
Speakers
Unlimited has been a major supplier of Audio Devices to the electronics industry for over thirty years.
Other Speakers
Magnetic Buzzers
E98 Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Min. Sound Output at 10cm(dB) | Frequency (Hz) | Tone Nature | Operating Temp (ÅC) | Terminal Type | Dimensions (mm) | Housing Material |
| 9S3120 | 6 ~ 16 | 12 | 10 | 80 | 3,500 ± 500 | single | -20 ~ +60 | pin | 22 x 12.5 | ABS |
| 9S3240 | 7 ~ 28 | 24 | 8 | 85 | 3,500 ± 500 | single | -20 ~ +60 | LEAD- WIRE | 32 x 13 | ABS |
SBT16S Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Min. Sound Output (dBA/10cm) | Frequency (Hz) | Tone Nature | Operating Temp (ÅC) | Terminal Type | Dimensions (mm) | Housing Material |
| SBT 1601(S) | 1.3 ~ 2 | 1.5 | 20 | 75 | 2300 ± 400 | single | -10 ~ +50 | pin | 16 x 14 | Noryl SEI-GFN2 |
| SBT 1606(S) | 4 ~ 8 | 6 | 30 | 85 | 2300 ± 300 | single | -25 ~ +80 | pin | 16 x 14 | Noryl SEI-GFN2 |
| SBT 1612(S) | 8 ~ 15 | 12 | 30 | 85 | 2300 ± 300 | single | -25 ~ +80 | pin | 16 x 14 | Noryl SEI-GFN2 |
SBT12S Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Min. Sound Output (dBA/10cm) | Frequency (Hz) | Tone Nature | Operating Temp (ÅC) | Terminal Type | Dimensions (mm) | Housing Material |
| SBT 1201(S) | 1.25 ~ 2 | 1.5 | 30 | 75 | 2300 ± 300 | single | -10 ~ +60 | pin | 12 x 9.5 | Noryl SEI-GFN2 |
| SBT 1203(S) | 2.5 ~ 4 | 3 | 30 | 80 | 2300 ± 300 | single | -40 ~ +85 | pin | 12 x 9.5 | Noryl SEI-GFN2 |
| SBT 1205(S) | 4 ~ 6.5 | 5 | 30 | 85 | 2300 ± 300 | single | -40 ~ +85 | pin | 12 x 9.5 | Noryl SEI-GFN2 |
| SBT 1209(S) | 7 ~ 11 | 9 | 30 | 85 | 2300 ± 300 | single | -40 ~ +85 | pin | 12 x 9.5 | Noryl SEI-GFN2 |
| SBT 1212(S) | 8 ~ 15 | 12 | 30 | 85 | 2300 ± 300 | single | -40 ~ +85 | pin | 12 x 9.5 | Noryl SEI-GFN2 |
UDB Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Min. Sound Output (dBA/10cm) | Frequency (Hz) | Tone Nature | Operating Temp (ÅC) | Terminal Type | Dimensions (mm) | Housing Material |
| UDB01 | 1.5 | 1.4 ~ 2 | 25 | 75 | 2300 ± 500 | single | -20 ~ +60 | pin | 12 x 7.5 | Noryl SEI-GFN2 |
| UDB05 | 5 | 3 ~ 7 | 30 | 83 | 2300 ± 400 | single | -20 ~ +70 | pin | 12 x 7.5 | Noryl SEI-GFN2 |
| UDB12 | 12 | 9 ~ 15 | 30 | 83 | 2300 ± 400 | single | -20 ~ +70 | pin | 12 x 7.5 | Noryl SEI-GFN2 |
E18 Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Min. Sound Output (dBA/10cm) | Frequency (Hz) | Tone Nature | Operating Temp (ÅC) | Terminal Type | Dimensions (mm) | Housing Material |
| IS3060 | 4 ~ 9 | 6 | 35 | 85 | 2800 ± 200 | single | -20 ~ +60 | pin | 42 x 14.5 | ABS |
| IS3090 | 6 ~ 11 | 9 | 40 | 85 | 2800 ± 200 | single | -20 ~ +60 | pin | 42 x 14.5 | ABS |
| IS3120 | 9 ~ 15 | 12 | 40 | 90 | 2800 ± 200 | single | -20 ~ +60 | pin | 42 x 14.5 | ABS |
| IS3240 | 15~ 28 | 24 | 20 | 90 | 2800 ± 200 | single | -20 ~ +60 | pin | 42 x 14.5 | ABS |
| IS3415 | 4 ~ 15 | 12 | 15 | 85 | 2800 ± 200 | single | -20 ~ +60 | pin | 42 x 14.5 | ABS |
Surface Mount Magnetic Buzzer
| Model | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Min. Sound Output (dBA/10cm) | Frequency (Hz) | Operating Temp (ÅC) | Tone Nature | Weight (gm) |
| STDB01 | 1.4 ~ 3 | 1.5 | 20 | 75 | 2400 ±400 | -20 ~ +70 | single | 2 |
| STDB05 | 4 ~ 7 | 5 | 30 | 85 | 2300 ±300 | -20 ~ +70 | single | 2 |
| STDB12 | 8 ~ 15 | 12 | 30 | 85 | 2300 ±300 | -20 ~ +70 | single | 2 |
Microphone Elements
| Electrical Characteristics | U-602 | U-62 | U-60 |
| 1. Sensitivity | A: -57 +- 3dB | A: -60 +- 3dB | |
| B: -63 +- 3dB | B: -66 +- 3dB | ||
| C: -69 +- 3dB | C: -72 +- 3dB | ||
| 2. Output Impedence | Same as the load resistance. (May be 150 Ohm - 5 KOhm. The sensitivity is proportional to the load resistance.) | ||
| 3. Directionality | Omnidirectional | ||
| 4. Frquency Range | 20-12,000 Hz | 40-10,000 Hz | |
| 5. S/N Ratio | More than 40dB measured with A curve at 1 KHz at 1 micro-bar. | ||
| 6. Self Noise Level | Less than 34dB SPL (Referred SPL 0dB=0.0002 micro-bar.) | ||
| 7. Operation Voltage | 1.5 to 15 VDC | ||
| 8. Current Consumption | 0.5 mA or less (Supply voltage 6V) | ||
| 9. Polarity of Power Supply | (-) for ground | ||
Piezo Receivers
E808 Series
| Model | Sound Pressure Level | Capacitance at 1KHz | Max Input Voltage | Max Resistance (1.0KHz) | Operating Temp (ÅC) |
| 80PR22100 | 105 ± 3.5db.at | 45nF ± 30% | 10 V rms | 3.0k 0hm | -20 ~ +60 |
E818 Series
| Model | Sound Pressure Level IEC318 Coupler | Capacitance at 1KHz | Max Input Voltage | Max Resistance (1.0KHz) | Operating Temp (ÅC) |
| 81PR33100 | 110 ± 3.5db.at 1.0KHz / 1.0 V,rms | 70nF ± 30% | 10 V rms | 2.5k 0hm | -20 ~ +60 |
E828 Series
| Model | Sound Pressure Level IEC318 Coupler | Capacitance at 1KHz | Max Input Voltage | Max Resistance (1.0KHz) | Operating Temp (ÅC) |
| 82PR30100 | 107 ± 3.5db.at 1.0KHz / 1.0 V,rms | 70nF ± 30% | 10 V rms | 2.5k 0hm | -20 ~ +60 |
E838 Series
| Model | Sound Pressure Level IEC318 Coupler | Capacitance at 1KHz | Max Input Voltage | Max Resistance (1.0KHz) | Operating Temp (ÅC) |
| 83PR22100 | 109 ± 3.5db.at 1.0KHz / 1.0 V,rms | 80nF ± 30% | 10 V rms | 2.0k 0hm | -20 ~ +60 |
