Looking at the SGI specifications is both worthwhile yet deceiving. On one hand, looking at specs such as noise or signal handling will determine the quality of the interface. On the other hand, evaluating application specific devices like the SGI needs to be done by considering the source. A guitar for example tends to be a mid range device with a relatively low output. Ultimately… it comes down to how it actually sounds. And the SGI sounds great!
Specifications
Block Diagram
Graphs
| Specifications | ||
|---|---|---|
| Audio circuit type: | Active 100% discrete class-A with transformer isolation | |
| Frequency response: | 20Hz ~ 18kHz (-2dB) | |
| Dynamic range: | 112dB | |
| Total harmonic distortion: | 0.005% @ 1k | |
| Intermodulation Distortion: | 0.04% @ 1k | |
| Input Impedance: | Variable from 10k Ohms ~ 1 megaOhm | |
| Output Impedance: | 4.5k Ohms (¼" unbalanced) | |
| Noise Floor: | -102dBu | |
| Maximum Input: | +10dBu | |
| Features | ||
| Ground lift, Drag Control | ||
| Input Connectors: | TX: 1/4" | RX: XLR | |
| Output Connectors: | TX: XLR | RX: 1/4" | |
| General | ||
| Construction: | 14-gauge steel chassis & outer shell | |
| Size (L x W x D): | Size: 2.75" x 4.25" x 1.75" (70 x 108 x 44mm) | |
| Weight: | 3lbs. (1.36kg) | |
| Shipping size (L x W x D): | 5" x 2.75" x 10.75" (127 x 70 x 273mm) | |
| Shipping weight: | 3.2lbs (1.45kg) | |
| Power: | +15VDC/400mA adapter included | |
| Conditions: | For use in dry locations only between 5°C and 40°C | |
| Warranty: | Radial 3-year, transferable | |
What do these graphs mean? Learn what to look for and why it matters.
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