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A stereo receiver bundles an AM/FM tuner, amplifier, and various stereo inputs. Some also include a preamp. A preamp is a mini amplifier, and usually features an equalizer. A separate preamp is usually only necessary when using a phonograph (record player). This is because a phonograph usually has a sound output of around 2 milliwatts, but most amplifiers and receivers expect it to be around 200 milliwatts. The preamp bridges the gap, however some receivers such as the Insignia NS-R2001, have a phono input, and therefore do not require a separate preamp. (I don't recommend this receiver, because it is of overall low quality.) I might also suggest that you avoid PylePro products like the plague; they are very low quality, and anything but "Pro". I'd also throw Pyramid (owned by Pyle) and Sherwood products in the same category.
Sorry, there was a problem. Please try again later.A Pre Amp will only amplify the Audio Signal. However, the Sony STRDH130 Receiver will have many other features and also you can connect Speakers to the Receiver and change the Audio Settings. Moreover, the following link provides the marketing specification of the Receiver for complete information on the features and specifications. http://www.docs.sony.com/release/specs/STRDH130_mksp.pdf
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