美國 GRADO RA1 參考級耳擴 

MADE  IN  USA  紐約 布魯克林   Grado headphones, still made in Brooklyn

 

RA-1  BAT

桃花心木機殼, 以二顆9V電池供電

RA-1   AC

同上, 但以外接式AC電源供電, 驅動能力更強

 

 


RA1 BAT 電池版 $13500 , RA1 AC電源版 $15500

PS1000 接上 RA1 可以說是 John Grado 理念的實現

簡單的放大線路,裝在以胡桃實木挖出的空間,外接電源供應 +-  5  & 12  DCV .

不愧是 LP 起家 ,  RA1 推自家 PS1000 真得很有 MM 唱頭刮過 LP 濃烈類比味!

環顧市場上所有的耳擴, RA1 確實是推 PS1000 最對味的,本店強力推薦!

擁有 Grado 各型號耳機用戶可選購 RA1  BAT ( 電池供電)   RA1 AC  (AC電源供電) 

GRADO 專門店 RA-1 BAT , RA-1 AC 現貨供應中!
 

GRADO RA-1
Specifications
HWD
1.5"x5"x5.5"
Weight
12Oz
Inputs
RCA (PR)
Outputs
Headphone 6.3mm Jack
Input Impedance
100kΩ
Output Impedance
32Ω
Output Power
300m W
 
 

 

桃花心木盒, Made in USA 紐約布魯克林.

後端特殊接頭供電 DCV 5  12  +-

環保紙箱包裝從 RS1~PS1000 及 RA1 都一樣

把所有成本都灌注產品本身

變壓器電源線為可換式接上發燒線效果更上層樓

小小板手為 ON / OFF 開關


 

After years of relying on other equipment to drive Grado headphones, you can now listen and enjoy headphones through our new Grado Reference Headphone Amp, the RA1. Designed for state-of-the-art performance and specifically to play Grados, the new RA1 will allow you to hear your headphones like never before. This new amp is machined from a solid block of mahogany and measures 5" wide, 5 1/2" deep and 1 1/2" tall and weighs in at 12 oz. The RA1 is available in an AC version or can be powered by two 9-Volt batteries that will drive the amp for 40 to 50 hours of listening pleasure. And the sound? Just like all Grados: warm, smooth, full-bodied, non-fatiguing and rich. Hook it up to any line source (portable or in-home) and drive your Grado headphones to their full potential.


Also available the RA1-HG (High Gain). Now headphone enthusiasts can utilize the RA1's sonic qualities with a wide selection of headphones. The RA1-HG is designed to drive headphones with impedances of 100 ohms or more.

"Listening to my RS1's through the Grado RA1 headphone amp is like listening to a live performance, it puts you right there."
— Mark Rivera, Saxophonist with the Billy Joel Band
"This is such a nice job of product engineering by John Grado, I think it earns a nomination for "Dudely Product of the Year Award.""
— Charles (His Dudeliness) Hollander, Positive Feedback
"With the Grado Reference RA1 handling the amplification, music was rendered truer, clearer, and more life-like than I had ever imagined was possible."
— Willie Gluckstern, Audio Magazine
"When paired with the high-quality RS1 headphones, the RA1 delivers music that is clearer and more life-like than most speakers."
— Jason Alexander, Satellite Direct
"The RA1 offers excellent value for money, and does a fine job powering phones from Sennheiser, Shure and Ultimate Ears. It does especially well with Grado 'phones and does not embarrass itself next to state of the art components."
— Phil Gold / Inner Ear Magazine
"With a tube-like rendering of timbre and a sweet, relaxed sound, the Grado RA-1 makes extended headphone listening a joy. Although battery-driven, the RA-1 is more at home in your equipment rack or on your desk than out on the road. A beautiful wooden case finishes off this gem."
— Reviewed By Robert Harley / Absolute Sound



Double M 兄用 Canon 5DII 拍的沙龍照



100 mm F/2.8  macro

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