ColetteMicrophone Preamplifier VSR 5 U
| VSR 5 U | |
|---|---|
| Input | 2× XLR-3F, electronically balanced and floating |
| Powering | +48 VDC (P 48); can be switched off; resistances: 2 × 6.85 kOhms; maximum current: 10 mA (according to standards); minimum current at which LEDs indicate a microphone at an input: 1.7 mA |
| Input impedance | 8 kOhms |
| Common mode rejection ratio of the inputs | > 90 dB at 1 kHz; > 80 dB at 15 kHz |
| Maximum input level | 25.4 dBu (23.2 dBV) at 0 dB gain, f = 1 kHz |
| Gain adjustment | 0 dB ... 60 dB in steps of 3 dB |
| THD+N | 0.0006% at 30 dB gain and 27.5 dBu output level (1 dB below clipping) into 100 kOhm load |
| Noise level | input terminated with 200 Ohms; gain: 60 dB, referred to input: -127.8 dBu (-130.0 dBV), unweighted, RMS; -130.6 dBu (-132.8 dBV), A, RMS; -117.4 dBu (-119.6 dBV), CCIR-1k, Q-peak |
| Frequency response | 12 Hz - 90 kHz (±0.1 dB) 2.5 Hz - 400 kHz (-3 dB) |
| Inter-channel phase difference | 0.0° at 5 Hz; 0.0° at 50 Hz ; 0.0° at 1 kHz; 0.0° at 10 kHz; +0.2° at 200 kHz |
| Slew rate | 10 V/µs at 30 dB gain |
| RF filter range | 3 MHz - 1 GHz |
| Max. output level | 28.5 dBu (26.3 dBV) |
| Output | 2 × 2, electronically balanced and floating |
| Output impedance | 50 Ohms |
| Common mode rejection ratio of the outputs | ca. 60 dB (20 Hz – 20 kHz) |
| Meter range | -48 dBr ... +9 dBr (adjustable); clipping LED lights up at +15 dBr |
| Power supply | 94 ... 125 VAC / 185 ... 250 VAC, 50 – 60 Hz |
| Power consumption | 10 VA |
| Dimensions | 485 mm (w) × 60 mm (h) × 195 mm (d) |
| Weight | 4.7 kg (10.34 lbs) |
| Case | stainless steel, aluminum |
| Front | gray Nextel finish; front panels: stainless steel |