Instruction/ maintenance manual of the product 7400 NAD
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7400 Ster eo Receiver Date of manufacture : ? - Nov 89 Please note that this document contains the text from the original product br ochure, and some technical statements may now be out of date The 74.
PRE-AMP SECTION Phono input Input impedance (R and C) MM 47k Ω / 120pF MC 47k Ω / 120pF Input sensitivity , 1kHz MM 0.28mV ref. 1W MC 0.02mV ref. 1W Signal/Noise ratio (A-weighted with cartridge connected) MM 76dB ref. 5mV MC 76dB ref. 5mV THD (20Hz - 20kHz) <0.
FM TUNER SECTION Input sensitivity Mono -30dB THD+N 10.3dBf (0.9µV/75 Ω ) Mono 50dB S/N 13dBf (1.2µV/75 Ω ) Stereo 50dB S/N 25dBf (5µV/75 Ω ) Stereo 60dB S/N 35dBf (15µV/75 Ω ) Capture ratio (45 - 65dBf) <1.
An important point after buying a device NAD 7400 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought NAD 7400 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data NAD 7400 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, NAD 7400 you will learn all the available features of the product, as well as information on its operation. The information that you get NAD 7400 will certainly help you make a decision on the purchase.
If you already are a holder of NAD 7400, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime NAD 7400.
However, one of the most important roles played by the user manual is to help in solving problems with NAD 7400. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device NAD 7400 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
