REDSUN RP2100 radio personal view – the red wave Reviews


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1, the appearance of process, in this regard I have always been relatively ignored, so that it somewhat difficult. REDSUN  RP2100 (hereinafter referred to as 2100) radio technology I feel decent appearance, I was flat from the case of the degree of gap size and firmness of the overall feeling on it! As a whole feels very Desheng BCL2000 shadow, even a little later to say the inside of the structure is no exception.
I personally feel the appearance is more unsightly LCD screen above the line of text “FM stereo / AM dual conversion technology”, followed by emphasis on the bass as this machine, the thickness of the shell is too small, and fastening Only 6 case screws, too few.

2, the mechanical structure, and BCL2000 2100, is the open end of the front face, fixed on the front panel speaker, like a box bottom, the bottom of the main circuit board in the bottom, the top is a digital tuner MPU board and operating buttons, volume, tone control and amplifier and other circuit board in the other one, band switching using two four-throw mechanical switch complete FM / MW / SW 1-3 five-band and FM stereo / mono, AM / wide selection and switch, switch gear structure with BCL2000 similar.

3, line structure, because of the time, not long to get the machine, so this need to be further “research”, but when the machine apart to see the circuit board a LA1260 reminds me of one thing, in the Radio enthusiasts forum, xyz ^ _ ^ once said to use double-conversion transformation BCL2000, to overcome BCL2000 frequency drift problems, remember that he was also drew a diagram attached to the radio forum, so here I see bold guess, this machine may be related to xyz ^ _ ^ the original vision would be similar! This machine is said to belong to the second high frequency inverter technology, which is an xyz ^ _ ^ good and extremely close, does this machine with xyz ^ _ ^ about? ? ? ? In the low frequency side, this machine is the same with BCL2000 composition BTL power amplifier using TDA2822, but 2100 is used in 16 feet of the IC.

4, reception, modulation, the simple consideration on the radio from the collection, this machine is look good, can listen to the radio many, but the observed signal strength, “table” point of view, this machine is not noisy, only audio probably made a deal, trace of high-frequency noise in the sense of hearing is not aware if it is not obvious, however, much quieter Shoudao radio later, this is not surprising, modern integrated circuit radio has this feature; FM in 2100 mainly in the sound quality still good, of course, say this may be behind the audio in with the deal! The sensitivity and selectivity considered normal!
Receiver performance for users who have been tested, but I do not instrument, the use of time is not long, the current feeling about it with BCL2000 quite, even stronger, I guess we not much stronger! !

5, the sound, the sound of this machine that may have more features now, at least I think so, the biggest feature is the use of a 5-inch double-basin speakers, the bass sound is rich without nausea, a little sound taste, of course, only refers to the volume potentiometer scale in less than 4 below, when a large volume of time, more serious distortion of this machine, this may be related with the 2822! ? This machine tone boost / cut of more than BCL2000 radio tone design, which pros and cons, advantage can be a relatively large margin of adjustment for the user to adjust, strong signal in the FM radio to listen to music when there are to enjoy the feeling ! Disadvantages that would often cause the output of the audio makes the 2822 the moment there is the feeling of overload, listening to tenor has made breaking phenomenon.

6, other, native storage station 10 for each band, a total of 50, which features a very weak, but each key and knob 2100 in a relatively simple design, but also reasonable, although there is no numeric keypad for this machine, no digital frequency input, but the switch is divided into five bands, how to use not feeling any inconvenience.

In addition, this machine also comes with two alarm functions, the snooze button, lighting the button, this design may be made to increase the usefulness of the radio, but if from another point of view, they seem to feel there is neither fish nor fowl.
The power of this machine are also some features in addition to AC power, this machine can use four large batteries or 4 AA batteries, the radio has a battery selector switch on the left to choose!

As for the other I will not say any more!
Taken together, this machine is a bit like a modified German Health 2000 products! The receiver performance is in line with the German students BCL2000 also inherited the fine nature! The high frequency of double-conversion technology has made this machine to overcome BCL2000 shortwave frequency drift problems, but also makes the machine has a very good image frequency rejection! On the whole, pretty good!
Wave


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2 Responses to REDSUN RP2100 radio personal view – the red wave Reviews

  1. MARIO ALVAREZ says:

    BUEN DIA

    LES CONSULTO SI ES POSIBLE ME ENVIEN POR ESTE MEDIO EL CIRCUITO DE LA RADIO REDSUN RP2100 PUES SE ME ROMPIO Y QUIERO REPARARLA
    DESDE YA MUY AGRADECIDO POR SU ATENCION.

    HASTA PRONTO MARIO

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