TECSUN PL380 Radio Reviews


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PL380 is used in PL series has always been a classic look, with PL310 looks slightly smaller size compared to the actual or less. For PL380 is taking the PL300WT line, side tuning knob and PL310 are different: PL380 side refers to operations Built-in single tuning knob, PL310 and PL350 uses the same exposed tuning. Usually listen to when tuning, two styles of function or less, but in the fast adjustment, Built-in tuner than the total exposed to fast and easy.

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Fortunately, PL380 panel features a new definition of design, PL380 relying ETM (convenient tuning method), to make up for its shortcomings on the manual adjustment, 550 radio memory, enough to meet the memory requirements of a large number of radio stations. In addition, PL380 with a large screen, large font, but also for different groups of consumers.

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Software operational details, PL380 PL than in the past added a radio button smart lights off (PL380 corresponding button on the right, PL310 time for the shutdown of the number “5″ key). Seemingly redundant functions, in fact, intelligent backlight control for more flexible: turn off the backlight time, no matter what the time is not backlit, to save unnecessary power consumption (LED backlight is turned on current increase 18MA).

Of course, there are a lot of software details, such as at work, according to the relevant key the radio voice will raise the issue, also made some improvements in the not enumerate them.

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DSP chips are used as signal processing, to simplify the external circuit, making the PL380 and PL310′s performance is less, in good agreement:

FM performance is PL380 proud, DSP chip advantage in PL380 also embodied in the head: DSP chip adaptive signal input signal amplification – adjust the function of the total signal can be adjusted to satisfaction, a strong signal in the treatment, PL380 showed no load, weak signal, the same antenna is not out, PL350 performance difficult time, PL380 always easier than the collection, in addition, DSP chips, excellent selectivity, making the two stations near the boundaries more clearly, clearly, especially in the FM radio to listen to many of the numerous large cities, do not use DSP processing in the traditional sense of the IC Radio PL350 appeared to be inadequate.

Perhaps because the input signal DSP chip adaptive function, PL380 canceled an external antenna jack. Make bricks without straw, FM signal transmission determines the close of its signal transmission characteristics. If the signal is weak when not in weak, DSP chips the ability to regulate is powerless. In contrast, PL310 external antenna jack on the play a certain role: connect external lines, the antenna conductor exposed in the air right size, the antenna can always get in enough to PL310 can regulate and restore the sound signal.

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Performance compared with the PL350 AM:

Shortwave performance, PL380 shortwave ATS scanning speed faster than the classic PL350, radio access to more efficient, but for the volatility of short-wave weak signal, PL380, automatic gain control capacity of less than PL350: For the weak signal PL350 received signal is more stable and clear, and PL380 can hear the voice of the larger ups and downs.

Comparable performance PL380 and PL310 MW, slightly lower than PL350. Weak signal for the same frequency, PL380 received background of dragging its feet, as PL350 clean, resistant to listen.

A better solution to wave (or even short) this problem is: the AM BW key (AM IF bandwidth) IF bandwidth reduction to reduce adjacent channel interference more! If it is set 1KHZ bandwidth, although the loss of the perfect sound effect, but the station received the background suddenly becomes clean, this is very weak signals for long-distance radio reception! At this point the PL380, and PL350 has almost the same as receiving performance.

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Of course, I think PL380, PL310 and even there are still some questionable design issues: Since it is a manual, do not set the speed of the shuttle specifically convert button, only the process of automatic identification in the tuning manual adjustment speed, contrary to the original intention with the manual. And “>””>>” retreat only one direction regardless of the instructions, then why not show the reduced frequency “<””<<”?

Conclusion: No one is perfect, machine no end machine. Can not deny that PL380 is an outstanding radio! DSP radio for a good price, if you like feature-rich, portable and good DSP radio, you can choose PL380, if interested in FM DXing friends can consider PL310!


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