| TEL | 600-ohm balanced line, transformer-isolated |
|---|---|
| MUSIC | Hi-Z source, RCA jacks or screw terminals |
| MIC | LO-Z balanced, screw terminal connection |
| MUSIC MUTE | Mutes music during a microphone page |
| Inputs & Outputs | |
| CONTACT RING | Sounds night ringer tone when customer-supplied dry contacts are closed |
| TEL RING | Sounds night ringer in response to 90V ring signal |
| BRIDGING | Permits bridging of two amplifiers 25V and 70V |
| Outputs | POWER & PEAK LEVEL LED indicators. APHEX, TREBLE, BASS, VOX SENS, RINGER VOLUME, MUSIC |
| Power Output | 250W RMS |
| Frequency Response | 70Hz to 15kHz �1dB |
| Distortion | Less than 1% |
| Hum & Noise | (20Hz to 20kHz) MUSIC: -70dB TEL: -70dB MIC: -55dB |
| Sensitivity | MUSIC: 85mV TEL: -20dBm (77mV) MIC: 600μV |
| Tone Control | BASS: �9dB @ 100Hz TREBLE: �9dB @ 10kHz |
| Regulation | 2dB |
| Controls & Indicators | MUTE, MUSIC VOLUME, MIC VOLUME, TEL VOLUME, ALC controls (screwdriver-adjustable) |
| Overload Protection | Thermal and electronic overload protection 6.0A, slow blo fuse |
| Power Requirements | 120V AC, 60Hz, 5A |