This item is usually Drop Shipped from the MFR/Distributor within 7-10 days (subject to availability). Your order will be charged at the time of placing the order with the vendor. Item is non-cancelable and non-returnable.
International orders*The ST-VCA3 Voltage-Controlled Amplifier from RDL provides smooth audio-level control from a remote control panel, allowing you to adjust voltage from 0 to 10VDC. Use this unit when you need to keep audio sources and components isolated in rack, but want to extend audio controls outside of the rack and eliminate scratchy audio.
The ST-VCA3 is primarily intended for line-level attenuation and includes a high-quality utility microphone preamplifier.
| Construction | Plastic, metal |
| Finish | Black |
| Inputs |
Inputs: x2 Mic: 200Ω balanced; 5KΩ unbalanced Line: 30KΩ balanced bridging or unbalanced Input levels: Mic: -44dBu to -60dBu (150Ω source) Line: -18dBu (-20dBV) to +4dBu |
| Outputs | x1 +4dBu, 150Ω balanced |
| Headroom | 18dB |
| THD & Noise |
Mic: < 0.05% Line: <0.025% (unity gain); 0.025% typical at 15dB attenuation |
| Frequency Response |
Mic: 30Hz to 20kHz (±1dB) Line: 10Hz to 20kHz (±0.1dB) |
| Noise |
Mic: < -71dB below +4dBu output, 150Ω source; 50dB gain) Line: <-78dB below +4dBu output |
| CMRR |
Mic: > 60dB Line: > 40dB (50Hz to 120Hz) |
| Control | 0 to 10VDC or 0 to 10KΩ |
| Attenuation Steps | 0 to 90dB (>90dB at 0VDC control) |
| Dimensions | 0.7 x 3 x 1.6" (1.7 x 7.6 x 3.9cm) |
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