Roseville CA 95678
Speakers
Unlimited has been a major supplier of Audio Devices to the electronics industry for over thirty years.
Transducers
Magnetic Transducers
External Drive Piezo Transducers
Surface Mount Transducers
Surface Mount External Piezo Transducers
Magnetic Transducers
SBT-11B Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance (Ohms) | Coil Impedance (Ohms) | Min. Sound Output (dBA/10cm) | Resonant Frequency (Hz) | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| SBT 11B | 1 ~ 2 | 1.5 | 30 | 16 ± 2 | 40 | 75 | 2048 | -20 ~ +60 | pin | 12 x 5.4 | Noryl SEI |
| SBT 111B | 1 ~ 2 | 1.5 | 10 | 50 ± 7.5 | 140 | 70 | 2048 | -20 ~ +60 | pin | 12 x 5.4 | Noryl SEI |
SBT-11P Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance (Ohms) | Coil Impedance (Ohms) | Min. Sound Output (dBA/10cm) | Resonant Frequency (Hz) | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| SBT 11P | 1 ~ 2 | 1.5 | 30 | 16 ± 4.5 | 40 | 85 | 2048 | -20 ~ +60 | pin | 12 x 8.4 | ABS Noryl SEI |
| SBT 111P | 1 ~ 2 | 1.5 | 10 | 50 ± 7.5 | 140 | 80 | 2048 | -20 ~ +60 | pin | 12 x 8.5 | ABS Noryl SEI |
SBT-113 Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance (Ohms) | Coil Impedance (Ohms) | Min. Sound Output (dBA/10cm) | Resonant Frequency (Hz) | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| SBT 113P | 1 ~ 2 | 1.5 | 30 | 16 ± 4.5 | 40 | 80 | 2048 | -20 ~ +60 | pin | 12 x 13 | ABS Noryl SEI |
SBT-12 Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance (Ohms) | Coil Impedance (Ohms) | Min. Sound Output (dBA/10cm) | Resonant Frequency (Hz) | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| SBT 1201 | 1 ~ 2 | 1.5 | 70 | 6.5 ± 1 | 16 | 75 | 2400 | -40 ~ +85 | pin | 12 x 9 | Noryl SEI |
| SBT 1205 | 3 ~ 8 | 5 | 40 | 47 ± 5 | 80 | 85 | 2400 | -40 ~ +85 | pin | 12 x 9 | Noryl SEI |
| SBT 1212 | 6 ~ 15 | 12 | 40 | 140 ± 14 | 240 | 85 | 2400 | -40 ~ +85 | pin | 12 x 9 | Noryl SEI |
SBT-16 Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance (Ohms) | Coil Impedance (Ohms) | Min. Sound Output (dBA/10cm) | Resonant Frequency (Hz) | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| SBT 1601 | 1 ~ 2 | 1.5 | 12 | 27 ± 3 | 80 | 80 | 2048 | -25 ~ +70 | pin | 16 x 14 | Noryl SEI |
| SBT 1606 | 4 ~ 8 | 6 | 40 | 50 ± 5 | 110 | 85 | 2048 | -25 ~ +70 | pin | 16 x 14 | Noryl SEI |
| SBT 1612 | 6 ~ 18 | 12 | 40 | 115 ± 12 | 200 | 85 | 2048 | -25 ~ +70 | pin | 16 x 14 | Noryl SEI |
MDX Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance (Ohms) | Coil Impedance (Ohms) | Min. Sound Output (dBA/10cm) | Resonant Frequency (Hz) | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| MDX 01C | 1 ~ 2 | 1.5 | 80 | 5.5 ± 1.0 | 9.5 | 80 | 3100 | -20 ~ +60 | pin | 9.2 x 7.1 | Noryl SEI |
RDX Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance (Ohms) | Coil Impedance (Ohms) | Min. Sound Output (dBA/10cm) | Resonant Frequency (Hz) | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| RDX06 | 3 ~ 12 | 6 | 40 | 45 ± 7 | 110 | 85 | 2000-3000 (800db min) | -40 ~ +85 | pin | 16 x 14.5 | Noryl SEI |
| RDX12 | 6 ~ 18 | 12 | 40 | 115 ± 17 | 200 | 85 | 2000-3000 (800db min) | -40 ~ +85 | pin | 16 x 14.5 | Noryl SEI |
SBTRP Series
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance (Ohms) | Coil Impedance (Ohms) | Min. Sound Output (dBA/10cm) | Resonant Frequency (Hz) | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| SBTRP-A | 1 ~ 2 | 1.5 | 70 | 6.5 ± 1.0 | 16 | 80 | 2048 | -40 ~ +60 | pin | 12 x 7.5 | Noryl SEI |
| SBTRP-B | 1 ~ 2 | 1.5 | 70 | 6.5 ± 1.0 | 22 | 85 | 2731 | -40 ~ +60 | pin | 12 x 7.5 | Noryl SEI |
| SBTRP-C | 1 ~ 2 | 1.5 | 70 | 50 ± 7.5 | 140 | 70 | 2048 | -40 ~ +60 | pin | 12 x 7.5 | Noryl SEI |
External Drive Piezo Transducers
E228 Series
| MODEL | Sound Pressure Level | Max Rated Current (mA) | Capacitance | Max Input Voltage | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| 22PZ17400 | 80 dbA min. ( 9 V p-p square wave, 10cm, 4000Hz) | 2 | 9500pF ± 30% at 120Hz | 25V p-p | -20 ~ +60 | Leadwire | 16.5 x 5.0 | ABS |
E338 Series
| MODEL | Sound Pressure Level | Max Rated Current (mA) | Capacitance | Max Input Voltage | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| 33PZ24400 | 85 dbA min. ( 9 V p-p square wave, 10cm, 4000Hz) | 3 | 1700pF ± 30% at 120Hz | 60V p-p | -20 ~ +60 | Pin | 24 x 7.5 | ABS |
E398 Series
| MODEL | Sound Pressure Level | Max Rated Current (mA) | Capacitance | Max Input Voltage | Operating Temp (°C) | Terminal Type | Dimensions (mm) | Housing Material |
| 39PZ30100 | 75 dbA min. ( 12 V p-p square wave, 10cm, 1300Hz) | 3.5 | 45000pF ± 30% at 120Hz | 40V p-p | -20 ~ +60 | Leadwire | 41 x 5.5 | ABS |
| 39PZ30350 | 75 dbA min. ( 3 V p-p square wave, 10cm, 3500Hz) | 2 | 20000pF ± 30% at 120Hz | 40V p-p | -20 ~ +60 | Leadwire | 41 x 5.5 | ABS |
E648 Series
| Dimensions (mm) | Characteristics | ||||||
| Model | D1 ± 0.1 | D2 ± 0.2 | T ± 0.3 | H ± 0.5 | 1Khz | R | C ± 30%pF |
| 64PE121650 | 12 | 9 | 0.25 | 0.45 | 16.5 ± 1.0 | <800 | 6000 |
| 64PE151000 | 15 | 11 | 0.25 | 0.45 | 10 ± 1.0 | <400 | 9000 |
| 64PE200700 | 20 | 15 | 0.25 | 0.5 | 7.0 ± .7 | <250 | 15000 |
| 64PE270300 | 27 | 20 | 0.15 | 0.38 | 3.0 ± .5 | <300 | 35000 |
| 64PE310290 | 31 | 20 | 0.25 | 0.5 | 2.9 ± .5 | <300 | 25000 |
| 64PE350260 | 35 | 25 | 0.25 | 0.5 | 2.6 ± .5 | <250 | 40000 |
| 64PE410150 | 41 | 25 | 0.25 | 0.5 | 1.5 ± .5 | <400 | 40000 |
| 64PE500130 | 50 | 30 | 0.25 | 0.5 | 1.3 ± .5 | <300 | 60000 |
Surface Mount Transducers
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance | Coil Impedance | Min. Sound Output at 10cm (dB) | Frequency (Hz) | Dimensions (mm) |
| SBT-SM11B | 1 ~ 2 | 1.5 | 30 | 15 +- 7.5 | 40 | 70 | 2,048 | 4.75 x .220 |
| SBT-SM11B5 | 3 ~ 6 | 5 | 10 | 50 +- 7.5 | 140 | 70 | 2,048 | 4.75 X .220 |
| MODEL | Operating Voltage (VDC) | Max Rated Current (mA) | Coil Resistance | Coil Impedance | Min. Sound Output at 10cm (dB) | Frequency (Hz) | Dimensions (mm) |
| MGT-901 | 2.5 ~ 6.2 | 325 | 16 +- 3 | 20 | 85 | 2,300 | 8.5 x 4.0 |
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Min. Sound Output at 10cm (dB) | Frequency (Hz) | Operating Temp. °C | Dimensions (mm) |
| MGT-35BT3 | 2 ~ 5 | 3 | 150 | 88 | 2,731 | -20 ~ +70 | 9 X 3.50 |
| MGT-35UT5 | 3 ~ 7 | 5 | 100 | 87 | 2,300 | -30 ~ +60 | 9 X 3.50 |
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance | Min. Sound Output at 10cm (dB) | Frequency (Hz) | Operating Temp. °C | Dimensions (mm) |
| MGT-101-01 | 1 ~ 2 | 1.5 | 70 | 6 +- 2 | 85 | 2,730 | -30 ~ +60 | 9.8 X 4 |
| MGT-101-03 | 2 ~ 4 | 3 | 70 | 15 +- 3 | 85 | 2,730 | -30 ~ +60 | 9.8 X 4 |
| MGT-101-05 | 4 ~ 6 | 5 | 70 | 30 +- 5 | 85 | 2,730 | -30 ~ +60 | 9.8 X 4 |
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance | Min. Sound Output at 10cm (dB) | Frequency (Hz) | Operating Temp. °C | Dimensions (mm) |
| MGT-100-01 | 1 ~ 2 | 1.5 | 70 | 6 +- 2 | 95 | 2,730 | -30 ~ +60 | 9.8 X 6 |
| MGT-100-03 | 2 ~ 4 | 3 | 70 | 15 +- 3 | 95 | 2,730 | -30 ~ +60 | 9.8 X 6 |
| MGT-100-05 | 4 ~ 6 | 5 | 70 | 30 +- 5 | 95 | 2,730 | -30 ~ +60 | 9.8 X 6 |
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Max Rated Current (mA) | Coil Resistance | Coil Impedance | Min. Sound Output at 10cm (dB) | Frequency (Hz) | Operating Temp. °C | Dimensions (mm) |
| MGT-0601 | 1 ~ 2 | 1.5 | 30 | 16 | 40 | 80 | 2,400 | -20 ~ +70 | 13.1 x 6.7 |
| MGT-0605 | 3 ~ 8 | 5 | 40 | 45 | 80 | 85 | 2,400 | -20 ~ +70 | 13.1 x 6.8 |
| MGT-0612 | 6 ~ 15 | 12 | 40 | 140 | 240 | 85 | 2,400 | -20 ~ +70 | 13.1 x 6.9 |
| MODEL | Operating Voltage (VDC) | Rated Voltage (VDC) | Coil Resistance | Max Rated Current (mA) | Min. Sound Output at 10cm (dB) | Frequency (Hz) | Operating Temp. °C | Dimensions (mm) |
| MGT-01 | 1.2 ~ 1.7 | 1.5 | 9 +- 2 | 80 | 85 | 3,200 | -55 ~ +85 | 14 x 3.5 |
| MGT-03 | 2 ~ 4.5 | 3 | 19 +- 2 | 70 | 87 | 3,200 | -55 ~ +85 | 14 x 3.5 |
Surface Mount External Piezo Transducers
SFM-1440 Series
| Min. Sound Pressure Level at 4.0kHz/5Vp-p Square Wave/10cm | Capacitance at 1000Hz | Allowable Input Voltage | Max. Consumption at 4.0kHz/5Vp-p Square Wave | Resonant Frequency | Operating Temperature | Case Material/Color | Weight |
| 75dB | 10nF ± 30% | 20Vp-p | 2mA | 4.0 ± 0.3kHz | -20 – +85°C | PPS/Black | 1g |
SFM-1443 Series
| Min. Sound Pressure Level at 4.3kHz/10Vp-p Square Wave/10cm | Capacitance at 1000Hz | Allowable Input Voltage | Max. Consumption at 4.3kHz/10Vp-p Square Wave | Resonant Frequency | Operating Temperature | Case Material/Color | Weight |
| 90dB | 15nF ± 30% | 20Vp-p | 4mA | 4.3 ± 0.3kHz | -20 – +85°C | PPS/Black | 2.3g |
SFD-740 Series
| Min. Sound Pressure Level at 4.0kHz/5Vp-p Square Wave/10cm | Capacitance at 1000Hz | Allowable Input Voltage | Max. Consumption at 4.0kHz/5Vp-p Square Wave | Resonant Frequency | Operating Temperature | Case Material/Color | Weight |
| 80dB | 14nF ± 30% | 20Vp-p | 2.5mA | 4.0± 0.3kHz | -20 – +85°C | PPS/Black | 2.2g |
CE-1058 & CE-1068 Series
| Model No. | Sound Pressure Level | Capacitance | Max. Input Voltage | Operating Temperature | Weight |
| 100PZ512200 | 95 dBA min. (2.83V rms sine wave, 50cm, 21 – 23KHz) | 60000 pF ± 20% | 10V rms | -30 – +77°C | 10g |
| 101PZ44100 | 80dBA min. (12V p-p square wave, 30cm, 1000Hz) | 66000 pF ± 30% at 120Hz | 40V p-p | -20 – +60°C | 10g |
| 105PZ17400 | 80 dBA min. (3.0V rms. sine wave, 10cm, 4000Hz) | 6500 pF ± 30% at 120Hz | 30V p-p | -20 – +60°C | 3g |
| 106PZ21200 | 80 dBA min. (3.0V rms. sine wave, 10cm, 2000Hz) | 17000 pF ± 30% at 120Hz | 30V p-p | -20 – +60°C | 3g |
| 106PZ21400 | 80 dBA min. (3.0V rms. sine wave, 10cm, 4000Hz) | 17000 pF ± 30% at 120Hz | 30V p-p | -20 – +60°C | 3g |
CE-1198 Series
| Model No. | Sound Pressure Level | Capacitance | Max. Input Voltage | Operating Temperature | Weight |
| 119PZ15500 | 85 dBA min. (12V p-p square wave, 10cm, 5000Hz) | 12000 pF ± 30% at 120Hz | 40V p-p | -20 – +70°C | 2 g |
