2022年5月18日水曜日

JBL 4302 8inchi (20cm) cone woofer + pure titanium diaphragm 1inchi (2.5cm) dome tweeter . Now only used.

JAPANESE

https://audio-heritage.jp/JBL/speaker/4302.html

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ENGLISH

https://audio--heritage-jp.translate.goog/JBL/speaker/4302.html?_x_tr_sl=ja&_x_tr_tl=en&_x_tr_hl=ja&_x_tr_pto=wapp


Comments: Tweeters, such as titanium and beryllium, sound good. If possible, a horn driver would sound even better. I like this tweeter because it is tamper-proof. The woofer is 20cm, so the bass is good there. I also like that it is front bass reflex.

In the future, USB Type-C connectivity with a PC is possible, and MQA & MPEG-H 3D AUDIO (360 Relity Audio) hybrid 5.1CH surround sound format Masahiro Ishizuka's Idea support. 328,000Hz 32bit PCM input compatible digital amplifier. I would like to listen to speakers of this size with built-in or large speakers with Yamagiwa original Klipschhorn 46cm woofer with Technics top-of-the-line full digital amplifier. web programmer & IT consulting Masahiro Ishizuka

I wish to run an audio company including sales of Yamagiwa Original Klipschhorn replicas and an IMAX theater construction store.

JAPANESE

Technics SU-R1000

JAPANESE

JAPANESE

ENGLISH

Mr. Bovine Human

Number of reviews submitted: 27Total number of supporters: 119Number of fans: 1
Frequently Posted CategoriesDigital SLR Cameras3 197ReviewsLenses5 55ReviewsSmartphones2 34ReviewsMore
Apr 10, 2022 21:23 [1570250-1].

Satisfaction 5
Design
5
Operability
5
Sound quality
5
Power
5
Functionality
5
Input/Output Terminals
5
Size
4
Sounds from another world
 
   
Design
With only the power SW, volume, and input selector as switches, the design is simple and modern in form, with classic double meters that make music a pleasure to look at. The finish is also excellent, giving the unit a high-end feel.

[Operability
The remote control is particularly easy to operate. The input select can be selected at the touch of a button. I was frustrated with models that could only do forward and reverse, but that has been resolved. (DENON PMA2500NE)
The volume control on the main unit is good, and the remote control can be adjusted in 1dB increments.

Sound quality
This fully digital amplifier has really good S/N! The soundstage is very expansive. It makes you want to turn up the volume. The internal structure of the amplifier is like a separate amplifier, which may have played a role in this. It would be difficult to find an analog amp with such a good S/N ratio, even in a separate amp.
The LAPC is a system that balances the speakers well, and the main place becomes thicker, perhaps because of its good compatibility with the 805D4.
For metal music, it is better to turn off LAPC to get a more solid, extruded sound, so it is better to switch it to your preference.
The tone control has treble, middle, and bass, so it can also be used to compensate for low listening volume. I set the bass and treble to a slightly raised setting for low volume late at night, and use it with a serious source direct.
This tonal control has little degradation, so it can be used aggressively even with poorly recorded sources to create a satisfactory sound.
The CD player is an entry-level DENON DCD755, but thanks to the amplifier's DAC, it is a big improvement. I am very happy with the quality of the sound.

Power
No problems at all. I have no problems at all with it, and I can't see any limits to it in my home playback environment.

Functionality
I mainly use Amazon Music HD, so the built-in DAC is a great advantage for me. The digital phono equalizer is also unique to this model, and I would like to install an analog player in the future. The LAPC function, which allows any speaker to sound well-balanced, is also very easy to set and use.

Input/output terminals
I don't think I will have any trouble with analog and digital inputs. No complaints.

Size
The size of the unit is very large for a digital unit. It is probably because it has a separate hierarchy of preamplifier and power amplifier inside. The strength of digital amplifiers lies in their ability to save space, but this model's pursuit of sound quality without regard for space is highly commendable.

General Comments.
Although it probably won't be looked down upon by Accu and Lux fans, it delivers a sound of such a high degree of perfection that it compels one to take a fresh look at digital amplifiers. If you have a chance to hear the sound that comes from a different world than before, like the crew encountering an unknown creature in Star Trek, I hope you will give it a try.

Environment: Speakers:D&W 805D4 (4S6G bi-wired double connection)
   PC:Ms SurfacePro7 Amazon Music HD
   

Level: Beginner
4 people found it helpful

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Technics SU-R1000-S [Silver]


TATSU731

Number of reviews submitted: 4Total supports: 9Fans: 0
Frequently Posted CategoriesSpeakers08Network Audio Players07Primary Amplifiers41See more
Mar 21, 2022 20:56 [1563287-1].

Satisfaction 5
Design
4
Operability
5
Sound quality
5
Power
5
Functionality
5
Input/Output Terminals
5
Size
4
Analog with digital amplifier
 
   
[Design
Classic and beautiful. The meters are beautiful and the aluminum housing is reminiscent of the 80's.

[Operability
Almost all items can be operated by remote control. The remote control is very Japanese and easy to understand.
The quality of the volume knob is the highest quality of any amplifier I have ever owned.
Likewise, the material of the speaker terminal terminals is the best. The sound quality is not so much related to the sound.

Sound Quality
I think it is the "Intelligent PHONO EQ".
The sound of analog records is expressed like never before.
I was skeptical about the high reputation overseas until I tried it, but it was a tremendous experience.
I immediately decided to purchase it.

After using the LAPC function, the sound changes at once.
It is a correction function that "measures the frequency amplitude phase characteristics of the amplifier with speakers connected and corrects it to the ideal impulse response through digital signal processing.
The sound was good when listening to it without doing anything, but it changes to an even more desirable sound.
It is an increasingly addictive feature.

I don't know how GaN-FETs affect it, but something is essentially different.

[Power
Well, I can only say that it is adequate.
I have a Dynaudio Heritage special with heavy woofers, but it runs as well as my HEGEL H590 solid-state amp without any problems.

Size.
It is a little big.

Overall
I would definitely recommend analog record fans to give it a try.
The HEGEL H590 is fine for NAS music (they both have their advantages and disadvantages), but for analog, I would definitely recommend the Technics.

The Su-G700m2, for example, which seems to be available in stores, partially inherited the essence of the su-r1000. However, the difference in price makes this one a super superior product. It can be said that they are different, but if you listen to them carefully, you will find that there is no lack of atmosphere.

Anyway, I think this unit will never attract your interest unless you happen to have a chance to listen to it.
It is absolutely wonderful if you listen to it on a good set.

Comparison product Panasonic > Technics SU-G700M2-S [Silver]
Level Intermediate

IMAX theaters can be built for 40 to 100 million yen.

JAPANESE

ENGLISH

Explanation 

 
This 2-way speaker system was developed by inheriting the concept of the 4301, which was widely used as a compact studio monitor, including for sound checks in broadcast relay vehicles.

The low frequency range is provided by a 20cm cone woofer with an uncolored and unbleached white cone that takes full advantage of the materiality of natural pulp.

The high frequency range includes a 2.5cm dome tweeter.
The diaphragm of this unit is made of pure titanium diaphragm, and the hardness of the diaphragm is increased by high temperature quenching treatment with nitrogen gas. The combination with a short-horn type fi lm spray improves the high frequency reproduction capability and directivity characteristics.

The magnetic isolation design makes it suitable for use in AV theater rooms.

A continuously variable directional level attenuator is provided to adjust the output sound pressure level in the high frequency range according to the room environment and playback source.

The enclosure is made of MDF with a high-gloss clear-coated natural walnut veneer finish on a blue baffle in the JBL Studio Monitor tradition.

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