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47 Laboratory Gaincard needs to be used with Model 4700 Humpty Power Supply. Adding another Humpty Power Supply doubles the current capacity, but not output voltage, and makes it a complete mono block operation. Specifications Output power: 25W+25W ( 8 ohms) Input impedance: 22k unbalanced only Attenuators: 12 steps for each channel Output on and off switches for each channel Dimensions: W70 x H40 x D100 mm Shipped configured by 47 Labs to destination voltage requirement (no step-down transformer necessary)
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🇺🇸 Ship from USA · On Agora since 2025
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