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Khozmo Acoustic presents a 51K stereo shunt attenuator. A shunt stepped attenuator is a simple design where the signal is fed through a fixed series resistor (Rin) and the shunt resistor (Rg), is selected from 48 values ranging from zero to infinity by means of a selector switch. Although a shunt design presents a variable input impedance to the signal source, this has little effect in practice and the benefits of a single resistor and switch in the signal path far outweigh any potential matching issues.

Technical characteristics
| Specifications | |
|---|---|
| Product type | Shunt attenuator |
| Number of positions | 48 |
| Shunt type | Only two resistors in the signal path |
| Switching type | MBB (Make Befor Break) |
| Attenuation range | -60dB à 0dB |
| Step attenuation | Step 1 to 11: -2dB Step 12 to 48: -1dB |
| Contact material | Hard gold |
| Channel adaptation | +/-0.1dB |
| Resistance | 51K |
| Mechanical life | > 50000 cycles |
| Body material | CNC machined PA11 aluminum |
| Shaft diameter | 6mm |
| Indexing angle | 7.2deg |
| Input resistors | AMRG |
| Shunt resistors | Vishay |
| GEnEral | |
|---|---|
| Weight | 1kg |
| Dimensions | 42 × 52 × 5mm |
| Package | 1x Khozmo Acoustic Stereo Attenuator |