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這算是最近Head-fi上吵的最熱的一隻耳機吧...
D990是隻曾經上過Stereophile class C排行榜的耳機..(Vol.14#8)
據稱聲音特質是偏屬亮..原定價~$130USD..
現在一堆地方都在賣~$20USD的超低價...
先不論聲音是否超群.. 我想能上排行榜的東西就有一定水準..
這隻對這個價位的耳機應該頗有威脅...(Koss/Sony....)

Headwize上一篇文章也有提到...

目前最低價在這裡...

個人感想.. 目前掛在那篇文章上的人真的很像:

Stereophile Receomeded components
Vol 14 no 10
Headphones

Class A
Grado HP1
Stax SR LAmda Signature
Stax Lambda pro

Class B
AKG K1000
Stax Gamma Pro
Stax Gamma
Stax SR5
Stax SR34
Stax ED1

Class C
Beyerdynamic DT990
Beyerdynamic IRS-690 (cordless)

JVC HA-D990
These circumnaural AND closed back cans lack the midrange and midbass colorations that afflict so many other closed back headphones and produce a sound that is beautifully clear and transparent. Though brass instruments tend toward brightness, they don't actually become hard sounding. Amirror image of the Sony 999-full but tight bass, along with crisp detailing without being etched.

SonyMDR-999
Sony MDR-CD6

CLASS D
Beyerdynamic DT320 MkII
Koss Pro 75
Nakamichi SP-7
Sony MDR-V6
Sony MDR-E484
Sony MDR-S101


有興趣者繼續讀...(Stereophile Review)

From my Stereophile library:
Vol 14 No 8
14 headphone shootout article by Bill Sommerwerck

One is inclined to cast a cynical eye at products labeled "professional" or "digital reference." If the product is good, its quality should speak for itself, without hyperbole.

So the JVC HA-D990 isn't any good right? WRONG. It's extremely good, good enough to get a recomendation at the bottom of class C.

The 990's colorations err roughly on the opposite direction of the other headphones in this category. Brass instruments tend toward brightness, without actually becoming hard. Sibilants are slightly exagerated and strings sometimes a bit rough. The piano in the DG Berman/Giulini Pinao Concertos recording sounded a bit brash and wiry.

Although this error would normally be a mild liability, it actually enhanced the other good qualities of these phones. Their sound is beutifully clear and transparent (especcially when compared to other dynamic models) and never becomes etched or clinically analytical. (the 990 was one of the few phones to clearly reveal the musicians moving around on the Bainbridge Rachmaninoff cello disc.) One is constantly aware of a tremendous sense of openess and space, without it ever distracting from the music. Soldat displayed an especially strong sense of the room in which the recording was made.

The 990 does not lack warmth or bass impact, though. My notes indicate that the opening drum of Star Trek produced a noteworthy thud. They also say I found "the Entry of the Gods into Valhalla" "fun, thrilling".

Some listeners will find the 990 espectially appealing because it is both circumnaural AND closed backed. Although the 990 does not seal tightly to the head, its isolation was nevertheless quite good. It is unusally light and comfortable for fully sealed headphones. It is also unusual for LACKING the midrange and midbass colorations that afflict so many other closed headphones.

The 990 was one of the most difficult headphones in this group to audition because I constantly found myself wanting to enjoy the music, rather than analyze the sound. What else can I say? Highly recomended!

SPECS:
5hz-27khz
65 ohms
106db sensitivity /1mW
Power Handling 100mW
weight 24 grams (headset only)
weight 290 Grams (headset and cable)
Cable configuration Straight, OFC, left side entry
Price $150.