Contacta - STS-A31
Speech System Amplifier
List Price
£221.50
$235.27
€190.96
incl. VAT
Product Description
The STS-A31H Speech Transfer Amplifier System is compatible with all Contacta's Speech Transfer products.
The STS-A31H is full of consumer-friendly features which pack a punch: continuous self testing, energy-saving “green” standby mode saving 80% power, advanced signal processing for speakers and induction loops, constant-current loop drive (with adjustable loop drive level), ohmically isolated line level audio input or output to recording system, LED indicator of power/status, continuous self-testing for smooth functionality with other products.
*Please contact the CIE office on T01159770075 for information on related products and accessories.
The STS-A31H is full of consumer-friendly features which pack a punch: continuous self testing, energy-saving “green” standby mode saving 80% power, advanced signal processing for speakers and induction loops, constant-current loop drive (with adjustable loop drive level), ohmically isolated line level audio input or output to recording system, LED indicator of power/status, continuous self-testing for smooth functionality with other products.
*Please contact the CIE office on T01159770075 for information on related products and accessories.
Specification Sheet
- Click to download: stsa31_spec.pdf
- Energy-saving ''green'' standby mode is automatically used, achieving a power saving of up to 80%
- Advanced digital signal processing for speakers and induction loop
- Constant-current loop drive (with engineer adjustable loop drive level)
- Isolated audio line input / output allows additional ohmically isolated line level audio input or output to recording system (factory options, not available together)
- LED column indicator aids adjustments and indicates power and status
- Continuous self-testing means that no specialized equipment is required to confirm functionality
- DC Power: 2.1mm DC jack
- Power and status indication: Green/red LED column
- Full open duplex communication
| Description | STS-A31 |
|---|---|
| Supply Voltage | 12 - 14v DC |
| Quiescent Current | 100mA typical |
| Operating Current | 2A typical on speech peaks |
| Power Switch | Push on - push off (tact switch under membrane |
| Microphones | Electret, supply 5V via 2.2KΩ load resistor |
| Speaker Output Power | RMS: 2.5W / 8Ω, 4.4W / 4Ω |
| Loop Drive Compliance | Constant current, bounded by 4V RMS & 2A RMS |
| Total Harmonic Distortion | Less 5% (Loop and Speakers) |
| Construction | ABS Plastic Construction Housing |
| Finish | Matt Black Fine Texture |
| Dimensions | 115(W) x 116(H) x 40(D) mm |
| Weight (Net) | 0.10kg |
| Weight (Gross) | 0.30kg |
