意大利 爱歌 Bellini Donizetti 贝利尼周年纪念版 旗舰前后级

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意大利 爱歌 Bellini  Donizetti 贝利尼周年纪念版 旗舰前后级，全新原封行货，有意者联系13415086012，林泳，一笔生意，一世朋友。

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意大利 爱歌 Bellini 贝利尼周年纪念版 前级放大器

Bellini Anniversary
The Bellini Anniversary preamplifier, the new born of Audio Analogue, designed in the Airtech laboratories, is part of the Anniversary line, re-proposing another of the historical products of Audio Analogue. The only thing in common between this new model and the previous versions of Bellini remains the name, while the project and the technical solutions used are completely new. Starting from the excellent base constituted by the preamp section of the Maestro Anniversary integrated amplifier, the novelties with respect to the latter are however multiple. The first is the power supply stage that has been completely redesigned using an inductive-capacitive filtering to minimize mains disturbs. The filter inductance has been designed and manufactured specifically for this device. The amplification stage, called SeGeSTA (Single Gain Stage Transconductance Amplifier), has been designed to make the preamplifier even quieter while keeping the structure completely balanced and without global feedback. The circuit has 4 layers and the positioning of the components has been carefully thought out to avoid crossings between the input and output signals and above all between the digital control signals and the sensitive analog signals. The use of audiograde components and internal wiring made with 7N OCC pure copper cables complete the picture. Bellini Anniversary is available in silver and black finish and it is supplied with solid aluminium remote control and Airtech power cord

Technical description
Inductive power supply to reduce any type of disturb from the mains to the line stage, zero global feedback from input to output, fully differential circuit (differential input and differential output) with discrete components dual-mono configuration, digital volume control without operational amplifiers, relay input switches to minimize non-linearity, oversized military resistors to minimize thermal distortion, "Audiograde" capacitors based on Airtech specification, microcontroller management, Airtech internal wiring and gold plated connectors.
Technical features
Channels 2 RCA inputs 3 XLR inputs 2 Unbalanced outputs 2 Balanced outputs 2 Input impedance 47Kohm Unbalanced output gain 5dB Balanced output gain 11 dB Frequency response (attenuation 0.5dB) 200KHz Unbalanced output noise (Band 0 Hz - 8kHz) ≈24μV Unbalanced output noise (Band 0 Hz - 8kHz) - A weighted ≈9μV Balanced output noise (Band 0 Hz - 8kHz) ≈37μV Balanced output noise (Band 0 Hz - 8kHz) - A weighted ≈14μV SNR(0dB/A weighted/ref. 2Vrms) - unbalanced output ≈107dB SNR(0dB/A weighted/ref. 2Vrms) - balanced output ≈103dB Standby power consumption(230VAC) 0.7W Dimensions(HxWxD) 140x450x380 mm Weight 12 Kg 中文翻译

贝里尼周年
贝里尼纪念前置放大器，新诞生的音频模拟，设计在空中技术实验室，是周年线的一部分，重新提出了另一个历史产品的音频模拟。这个新模型和Bellini以前版本之间维一的共同点仍然是名称，而项目和所使用的技术解决方案都是全新的。从大师纪念集成放大器的前置放大器构成的优秀基础出发，与后者有关的创新是多方面的。第一个是使用电感-电容滤波完全重新设计的电源阶段，以樶大限度地减少电源的干扰。滤波器电感是专门为该器件设计和制造的。放大级，即单增益级跨导放大器(Segesta)，旨在使前置放大器在保持结构完全平衡和无全局反馈的同时保持更安静。该电路分为4层，对器件的定位进行了仔细的设计，避免了输入和输出信号之间的交叉，尤其是数字控制信号与敏感模拟信号的交叉。使用音阶元件和内部布线制作的7N OCC纯铜电缆完成图片。贝里尼周年纪念可在银和黑色完成，并提供固体铝遥控和空中技术电源线。

技术描述
电感电源，以减少从电源到线路级的任何类型的干扰，从输入到输出的零全局反馈，具有离散元件的全差分电路(差分输入和差分输出)，无运算放大器的数字音量控制，樶大限度地减少非线性的继电器输入开关，根据Airtech规范的“Audio品位”电容器。单片机管理，Airtech内部布线和镀金连接器。
技术特点
通道2RCA输入3XLR输入2不平衡输出2平衡产出2
输入阻抗47 Kohm
不平衡输出增益5DB
平衡输出增益11分贝
频率响应(衰减0.5dB)200 KHz
不平衡输出噪声(带0 Hz-8 kHz)≈24 V
不平衡输出噪声(带0 Hz-8 kHz)-a加权≈9室
平衡输出噪声(带0 Hz-8 kHz)≈37 V
平衡输出噪声(带0 Hz-8 kHz)-a加权≈14 V
Snr(0dB/A加权/参考值)。2 Vrms)-输出不平衡≈107 dB
Snr(0dB/A加权/参考值)。2 Vrms)-平衡输出≈103 dB
待机功耗(230 VAC)0.7W
尺寸(HxWxD)140x450x380毫米
重量12公斤

意大利 爱歌 Donizetti 周年纪念版 立体后级功放

Donizetti Anniversary
The power amplifier Donizetti Anniversary, the new born of Audio Analogue, designed in the Airtech laboratories, is part of the Anniversary line, re-proposing another of the historical products of Audio Analogue. The only thing in common between this new model and previous versions of Donizetti remains the name, while the project and the technical solutions used are completely new. It is a high power stereo power amp: with its 250W@8Ω that doubles halving the impedance is able to perfectly drive any loudspeaker. The amplifier has a complete dual-mono configuration starting from the two 1200VA toroidal transformers specifically designed for low dispersed flow. Uses our SeGeSTA (Single Gain Stage Transconductance Amplifier) configuration followed by a group of four transistors to provide all the necessary current without affecting the gain stage performance. The amplifier does not use global feedback. The 4-layer printed circuit has been designed so that the input signal never crosses the output signal and that the sensitive amplification stages are as far from the power transformers as possible. All components are of the highest level, starting from military standard resistors to continue with the capacitors on Airtech specification up to the wiring made of 7N OCC copper and to the pure copper and gold-plated connectors. Donizetti Anniversary is available in silver and black. Donizetti Anniversary can also be used in mono configuration, achieving even more extreme performance, just think of the output power that reaches over 1000W on 8Ohm impedanceAvailable color

Technical description
Zero Global feedback, all stages fully balanced, dual-mono configuration and discrete components circuits, power stage with 12 bipolar transistors per channel, 56000μF filter capacity per channel, oversized military resistors to minimize thermal distortion, "audiograde" capacitors on Airtech specifications, microcontroller management.
Technical features
Channels 2 RCA inputs 1 XLR inputs 1 Input impedance 47Kohm Power on 8�6�8 load 250W(1000W mono) Power on 4�6�8 load 500W(1700W mono) Power on 2�6�8 load 950W(2200W mono) Power Amp gain 26db Sensitivity(8�6�8 output nominal power) 2.3Vrms Frequency Response(Att. 0dB, -3dB band) 110KHz SNR >110dB Output resistance (rated power on 8Ω at 1kHz) 0.15�6�8 Noise reported at the input (0Hz-80kHz) ≈10μV Noise reported at the input (0Hz-80kHz) - A weighted ≈4μV Standby power consumption(230VAC) <1W Dimensions(HxWxD) 221x450x428 mm Weight 41.2 Kg

中文翻译

Donizetti周年纪念
功率放大器Donizetti周年纪念，新诞生的音频模拟，设计在空中技术实验室，是周年线的一部分，重新提出了另一个历史产品的音频模拟。这个新模型和以前版本的Donizetti之间wei一的共同点仍然是名称，而项目和所使用的技术解决方案都是全新的。这是一个高功率立体声功率放大器：它的250 W@8Ω双倍的阻抗可以晚美地驱动任何扬声器。该放大器有一个完整的双单配置，从两台1200 VA环型变压器开始，专为低分散流动而设计。使用我们的Segesta(单增益级跨导放大器)配置，然后用一组四个晶体管提供所有必要的电流，而不影响增益级的性能。放大器不使用全局反馈。设计了四层印刷电路，使输入信号永远不与输出信号相交，使敏感放大级尽可能远离电力变压器。所有组件都是樶高水平的，从君用标准电阻器开始，继续使用Airtech规格的电容器，直到由7N OCC铜制成的布线，再到纯铜和镀金连接器。Donizetti周年纪念有银色和黑色两种版本。

技术描述
零全球反馈，所有阶段完全平衡，双单片配置和分立元件电路，功率级，每通道12个双极晶体管，每个通道56000μF滤波器容量，特大型君用电阻器，樶大限度地减少热变形，“音频级”电容器的航空技术规格，单片机管理。
技术特点
通道    2RCA输入1XLR输入1
输入阻抗     47 Kohm
8欧姆负载功率  250W
4欧姆负载功率  500W
2欧姆负载功率  950W
功率放大器增益  26分贝
灵敏度(8欧姆输出标称功率)  2.3Vrms
频率响应0dB，-3dB波段)  110 KHz
斯纳尔>110分贝
输出电阻(额定功率为8欧姆，1 kHz)  0.15欧姆
输入端的噪音报告(0 hz-80 khz)  ≈10V
输入噪声报告(0 HZ-80 kHz)-a加权  ≈4准V
待机功耗(230 VAC)  <1W
尺寸(HxWxD)  221x450x428毫米
重量  41.2公斤

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