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These LED meters are designed to visualize the output power of the K4020 MOSFET amplifier.
In the normal configuration they indicate the power from 0.001W to 100W at 8 ohms and from 0.002W to 200W at 4 ohms. The indicator consists of 12 LEDs.
For a "bridged" amplifier the meters may be switched in series, providing an indication from 0.001W to 400W using 24 LEDs.
The different scales have already been provided (not illuminated, so they are normally invisible) on the front of the K4020 amplifier. The LED meters have additional LEDs which illuminate the corresponding scale on the front side.
12 LEDs to indicate the output power
- 16 LEDs to illuminate the scale
- Scale :
8 ohms : 0.001 ; 0.005 ; 0.01 ; 0.05 ; 0.1 ; 0.5 ; 1 ; 5 ; 10 ; 50 ; 75 ; 100W
4 ohms : 0.002 ; 0.010 ; 0.02 ; 0.1; 0.2 ; 1 ; 2 ; 10 ; 20 ; 100 ; 150 ; 200W
- Scale with bridge configuration (8 ohms) :
0.001, 0.002, 0.005, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5,10, 15,
20, 40, 60, 80, 100, 150, 200, 250, 300, 400W
- Power supply : + and -40VDC from the K4020
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