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电光火石 Cute Beyond Headphone Amplifier耳扩 耳机放大器/耳放

电光火石 Cute Beyond Headphone Amplifier耳扩 耳机放大器/耳放

  • 参考售价：￥399元
  • 商品点击数：9304

简单描述：


联系人：郑先生 13715855903 营业电话: 0754-88398028


联系地址：广东省汕头市天山北路雅仕园2栋302 润丰名线坊

本店淘宝店：https://rfhifi.taobao.com/

功能

纯A类耳机放大器，低噪音，低失真。

Cute Beyond可以轻易驱动大部分的耳机并且可以更换主放大OP来调整音色。

 

Pure Class-A Headphone Amplifier, Low noise and Low Distortion.

(With the Class-A headphone amplifier, you will be able to enjoy the sound with less interference and distortion)

 

Cute Beyond can pretty much fit in with most of the headphones and the OP amplifier is adjustable to one’s preferable tone.

 

技术规格

*放大器结构:输出入直接交连,单端A类结构

*电源结构:虚拟地双电源回路

*增益控制: Low (衰减20dB) / High (正常)

*音量控制:可切换Series模式与Shunt模式

*耳机阻抗: 32奥姆至600奥姆

*电路保护:输出短路保护,过电流保护

*主放大OP : NS - LM4562

* Servo OP: TI - TL072

 

声音效能(量测输出@ 2Vrms,一般值)

频率响应(从40Hz至15kHz衰减量) : 40Hz处+0.01dB, 15kHz处-0.02dB

讯噪比(1kHz, A-Weighted) : -104.7dB

动态范围(1kHz, A-Weighted) : 104.6dB

总谐波失真% : 0.0018%

左右声道串音: -90.0dB

 

连接性

*线性输入: 1组RCA接头

*线性输出: 1组6.4mm耳机接头

 

系统需求

*具有Line-Out或Pre-Out功能的讯源都可连接使用

 

* Amplifier Structure: Coupling capacitor less, Single-End with Class-A

* Power Structure: Virtual-Ground power supply

* Gain Control: Low (attenuation 20dB) / High (normal)

* Volume Control: Series / shunt mode selectable

* Headphone Impedance: 32 ohm to 600 ohm

* Circuit Protect: Output short / over current protect

* Main OP Amp: NS - LM4562

* Servo OP Amp: TI - TL072

 

Audio Performance (1kHz sine wave, 2Vrms output)

Frequency response (From 40Hz to 15kHz): 40Hz +0.01dB, 15kHz -0.02dB

Noise level (1kHz, A-Weighted): -104.7dB

Dynamic range (1kHz, A-Weighted): 104.6dB

THD%: 0.0018%

Stereo crosstalk: -90.0dB

 

Connectivity

* Line Input: 1 of RCA jack

* Line Output: 1 of 6.4mm phone jack

 

System Requirements

* Using in any equipment with Line-out or Pre-out function

 

产品内容

* Beyond主体

* DC24V 0.5A电源供应器

*使用手册

*保证卡

*简易六角板手

 

Package Contents

* Beyond

* DC24V 0.5A power adapter

* User manual

* Warranty card

* Wrench

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