Degen DE1107 pointer test high sensitivity wide-band radio unit assessment


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Introduction: the major radio manufacturers are targeting a number of transfer machine market, Degen launched 1107! This, too, opened the first of its kind! Degen Degen 1107 is only a pointer amateur radio test, is currently the only energy and Desheng 9700DX can compare the radio, although the 1107 and 1103 there is also huge, but you are still most concerned about the fans is still machine performance, so the commentary on the current machine Degen for this evaluation a radio!

A, DE1107 introduction

DE1107 main functions:
12-band, FM / MW / SW Radio International
FM stereo reception, and cover the campus band.
Short double-conversion, high sensitivity, high resistance to interference.
Clock display, regular boot, auto shutdown function of sleep.
News / Music (bass) selection.
Mono / stereo selection.
Attached charger.
Orange illumination backlighting.
Short distance range set sensitivity switch.
Let an external antenna jack, easy to use an external antenna to improve FM / shortwave reception.
Large high-quality speakers, sound quality and beautiful.
4 AA batteries or external power supply.
Included: stereo headset, power adapter, external antenna, suede cloth cover.
Dimensions: 165 X 100 X30mm

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Two, DE1107 appearance

Just get the 1107 when the first feeling is solemn, beautiful. Although in the work area is not as SONY some machines, but also in the domestic radio industry had a relatively good! 1107 comes with a spreadsheet, this can be considered for radio adds a color pointer, which would greatly facilitate the people of the time is very fancy! Transfer time and time next to the buttons, switches, try using a potentiometer, so very worried about how to do bad day! Also you can achieve long-luminous light, it is indeed a machine for manual adjustment is very good design, convenient for fans listening to the radio at night and convenient table to see the scale of the frequency! Adjust the volume using the digital mark! This operation can also be a good machine! 1107 draws on the band in the SONY machine conversion, which is also very convenient for band, so get used to tune the number of friends to a good machine for the transition, in short, 1107’s design is still very good! Is also some deficiencies, such as luminous dark, replace the battery only when the retention time of 30 seconds, and the signal indicating a constant problem in the FM band are worthy of future improvement!

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Three, DE1107 operational

1107 The operation is still very convenient, as long as the radio will be used! This also enhances the DE1107 penetration, band selection button test conversion using adjustable scale below the red dot is clear that the 1107 now hear is what band signal. 1107 election platform knob is smooth, there are cards from the feeling of taste, sensitivity and FM Stereo SW third gear selection greatly improves radio reception performance, especially in the SW, it can be ultra quiet receiver, which is not will lose a few conditioners! Function of time is also very convenient! Therefore, operational 1107 to give high ratings!

Four, DE1107 power consumption test

1107 did not send random rechargeable battery, which may be considered in order to save costs! But the battery is also very convenient to buy. 1107 uses 4 AA batteries, so a high voltage power consumption would certainly increase. In order to prove this conjecture, this test also uses rechargeable batteries and rechargeable batteries for non-contrast! Here is a test record!

Rechargeable battery 1.2V and an ordinary battery 1.5V, open four hours a day (each ordinary batteries and rechargeable batteries, two hours), the test of time: June 9 to 15 (Note, the high voltage is 4-5 medium is 2 – 3 Low power is 0-1)

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Summary: 1107’s power consumption is really great, so when you use 1107 to prepare a few of the spare battery to be prepared from time to time! So 1107 is not suitable to carry out.

Five, DE1107 mobile reception test

This is a new test project, I believe that some people in the middle of enthusiasts is the need to frequently go out, so in the car, walk to your liking radio is also essential, so is a test of a mobile radio reception is good or bad, this test use in the car (car), which is a common listening environment, in the process of moving, the signal strength is changing, it is often said that the whistling sound, good radio in the area should be very good, FM whistling The smaller the better the sound, short-wave noise, the smaller the better so this test we hope to facilitate it!

Time: at 12:00 on June 10 Location: bus station at the antenna out the window 10 cm long random sampling frequency: 94.2 101.4 105.9 106.7 FM shortwave 154,801,789,021,660 MW 612 747 (used in Taiwan to test the strength and the use of low high school frequency test sensitivity! are strong because the signal strength of Taiwan Taiwan issue does not exist so this test to specifically test for whistling! Note: whistling sound / noise: 3 on behalf of the representatives of a weak to strong 2)

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Summary: 1107 to the effect of good mobile reception greatly surprise me, the pointer function to do this quite well, spoke highly of!

Six, DE1107 receiver performance testing

1, anti-jamming test

Have many friends around the radio listening to the variety of interference sources of interference, especially in medium wave and short, rapid development in science and technology today are becoming increasingly poor reception environments, able to overcome even if a good quality radio Therefore, this test I hope for your help!

The selected test areas is also very serious interference with the computer room, dozens of computers to form a huge source of interference, can overcome these machines is a good machine!

Time 05.6.12 16:00 Location: computer room contrast machine: DE1103 1102 1105 used low-frequency test high sensitivity, 5 representatives on behalf of a 400 strong representatives of 3 1 2 representatives on behalf of the poor too poor 0 for interference

(1) FM

Random sampling frequency: 88.0 93.5 95.7 98.9 101.4 103.7 105.9 106.7 107.7

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(2) Polish

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Random sampling frequency: 612 63,974,710,081,314 (optional high sensitivity of low-frequency test, 5 representatives on behalf of a 400 strong representatives of 3 1 2 representatives on behalf of the poor poor 0 for no signal)

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(3) short-wave

Random sampling frequency: 9,745,120,251,548,017,890 21660 (use low frequencies to test the sensitivity of high school, five representatives on behalf of a 400 strong representatives of 3 1 2 representatives on behalf of the poor poor 0 for no signal)

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Summary: DE1107 anti-interference ability and reception are good, strong FM station can be a very good receiver, medium, low noise is relatively large segment of the reception is directional, short-wave performed well, especially after a 3-block sensitivity, great results

Comparative results: DE1103 = DE1107> DE1102> DE1105

2 general acceptance test

In order to best reflect the performance of the machine so in addition to interference, but also have high-performance receiver, especially playing DX, so the choice of this test is still the roof to facilitate the best performance test machine

(1) FM FM

Time: 10:00 am on June 12, compared Machine: DE1103 DE1102 DE1105 random sampling frequency: 88.0 91.5 92.5 93.5 94.2 97.0 100.6 102.8 107.7 (use low-frequency high test sensitivity, 5 representatives on behalf of a 400 strong representatives of two representatives of 3 poor 1 poor 0 for no signal on behalf of)

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Summary: DE1107 FM sensitivity is very good, has reached the level of the number of transfer machines, and stereo sound quality and has shown the number of transfer machines than some better!

Comparative results: DE1103 = DE1107> DE1102> DE1105

(2) MW MW

Time: 14:00 pm on June 12, compared Machine: DE1103 1102 1105 Location: roof (random sampling frequency: 612,639,702,747,909 9,541,008,111,613,141,485 (use low-frequency high test sensitivity, 5 representatives on behalf of a 400 strong 3 represents the difference in the 2 for 1 on behalf of the poor 0 for no signal)

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Summary: DE1107 medium wave performance is also very good quality in a pointer machine count, the noise for weak Yang system in Taiwan is also some lack of hope to improve

Comparative results: DE1103 = DE1107 = DE1102> DE1105

(3) SW SW

Time: 22:00 the evening of June 12, June 13 7 am 3 pm 12 noon contrast Machine: DE1102 DE1103 DE1105 Location: roof (random sampling frequency: 5,935,603,071,709,710 9,745,120,101,369,515,480 17830 21660 (optional High sensitivity low-frequency test, 5 representatives on behalf of a 400 strong representatives of 3 1 2 representatives on behalf of poor poor 0 for no signal)

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Summary: DE1107 shortwave performance is also good, especially the three-block sensitivity selection can greatly reduce the noise, there is no short whistle. But some weak units to receive or not, but this price as a pointer machine there, or good!

Comparative results: DE1103 = DE1107> DE1102> DE1105

Seven, DE1107 attachment test

DE1107 accessories with the short-wave external antenna, advanced stereo headphones, external DC power supply, protection of delicate cloth cover, this test ear, external antenna

1 ear of the ear to send 1107’s performance is not good in the bass, treble is also lacking, even after the delivery of improved ear ah

2 External antenna with external antenna which results after the short-wave and FM has increased, especially at night do not pull the antenna with an external antenna to listen to very good!

Eight, DE1107 comprehensive test

1 sound

DE1107 speakers sound good, there are strong “bon bon” sound, treble part of the performance lacking. Listen with the ear, clear bass sound quality in the music block, there are bass in the news block, not enough bass, treble lacking!

3, background noise

Background noise is a lot of friends are most concerned about, DE1107 basically eliminate the background noise, clear sound and thorough

4, the price

Purchase price is a major consideration the radio, not too expensive, too cheap and no one will believe how much this machine has good performance, so the moderate price is the best, DE1107 just price is moderate, the performance of the machine point of view worthy of the price and performance is very good, I believe many of my friends would choose 1107

5 electricity test

Some people say that when using an external power supply noise will increase, that’s for sure, because there is a big city where the interference power transformer filter will greatly affect the poor radio reception, it is generally a last resort not the case Use mains, DE1107 transformer filtering is good, but a little background in the charging current sound and I believe the digital version can be put an end to

6, the charging function

1107 charging the use of slow-charging technology, and has a protective function, which is some of the other pointer is not on the machine, two preliminary charge of 600 mAh battery, battery full, basically full.

7, the frequency drift

Some friends recently issued in 1107 on the AM or FM will be drift, as a pointer to the radio, the frequency drift is inevitable. However, after a number of days testing, the 1107 frequency drift is there, but not obvious, does not influence the listening! Safe to use!

Nine, the internal image

This section will house the network 1107 collected some pictures to give you a reference machine repair!

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VIII Summary

1107 as a pointer to test the radio, this performance can be worthy of the price of 1107, beautiful sound, short three-block selection, charging, electronic clock is a major highlight of 1107, whether it is FM, shortwave, medium wave and on the sensitivity of the receiver results are very good! But still some deficiencies, such as backlight brightness are concentrated in the electronic clock that, in the frequency scale does not shine on that very difficult to use at night, switch off the power switch and back easily broken with a long time, adjustment time is not convenient enough, but as a models hundred block radio reception in both performance and the performance of good, is worth having a good machine!

XI comprehensive evaluation (five stars is best)

1, the performance index FM ★ ★ ★ ★ ★ MW ★ ★ ★ ★ SW ★ ★ ★ ★ ★
2, the sound quality index FM ★ ★ ★ ★ MW ★ ★ ★ ★ SW ★ ★ ★ ★
3, the power index ★ ★ ★ ★ ★
4, quality index ★ ★ ★
5, after-sales service ★ ★ ★
6, collection index ★ ★ ★ ★
7, the price index ★ ★ ★ ★ ★
8, DX index ★ ★ ★ ★

(Note: up to 5 stars)

Attachment: Test Battery: Rechargeable: the second era of 600 mA 4 general Eveready 1.5V Battery Test Location: 7th Floor, roof, interior balcony test time :0609 -0614 Published June 17 afternoon


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