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Amps found in the bigger radio consoles and also part of a module line for DIY systems. This amp is very similar to the NF10 amp. There are some minor differences in the circuit design, but to me they sound the same. Both are rated at 8.5 watts. In my opinion the NF1 looks better than the longer NF10, but the NF10 does not use a printed circuit board as the NF1 does.
Take care . . . 1. Their output transformers are not too big, so that they get easily in saturation in the bass when used with unefficient speakers.
2. The power transformer is something delicate. I recommand to use it on the higher rated taps (240V for 220V use and 117 for 110V use) |
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Grundig NF1 |
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Grundig NF1 schematic |
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Connectors on the NF1: - power supply for radio and preamp section - speakers - audio input
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Grundig NF1 |
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