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LM-512CA 前級放大器

產品特點:

●采用四只優質鎳片/坡膜合金寬頻響高音質EI輸入輸出變壓器作輸入輸出音頻信號耦合

●使用專門為本機設計的EI型雙電源變壓器(左右聲道獨立)

●使用6KZ8作電壓放大輸出級用6922作推動管、美國RCA整流膽22DE4作高壓整流

●左右聲道完全獨立設計,力求兩聲道音色一致

●不惜成本采用Multicap音頻電容,美國IRC電阻,飛利浦BC軸向電容,松下繼電器,

鍍金CMC電木管座,優質RCA端子、平衡插座

●紅外功能遙控器可作音頻輸入選擇、音量大小和靜音遙控操作

●成功地將直觀別具一格的音量刻度盤設計融入古拙大氣的設計理念

●開機靜音延時功能(約30秒)

●選用日本ALPS高檔馬達電位器

●方便安裝的拔插式真空管防護罩


技術參數:

-整機增益:20dB

-信噪比:90dB

-RCA頻響:17Hz~100kHz(-3dB)

-平衡座(經過輸出變壓器)頻響:15Hz~30kHz(-3dB)

-諧波失真:0.5%(1kHz)

-RCA輸入靈敏度250mV(輸出端2V時)

  平衡座(經過輸出變壓器)輸入靈敏度:500mV(輸出端2V時)

-輸入阻抗:100kΩ(RCA輸入阻抗)  平衡端口輸入600Ω

-輸出阻抗:600KΩ(RCA) 平衡輸出600Ω

-使用真空管:6KZ8(雷神)6922(環球)22DE4(美國RCA)

-整機體積(WxDxH):( 430 x 383 x196 )mm3

-整機消耗功率:45W

-工作條件:溫度:0℃~40℃    濕度:20%~80%

-儲存條件:溫度:-20℃~70℃    濕度:20%~90%

 

Product features:

●With four high quality nickel sheet/POE film alloy high quality wide rang EI as input and

output of audio signal input/output transformer coupling

●Using specially designed for the native EI type double power supply transformer

 (independent) around a track

●Use 6KZ8 as voltage amplifier output stage in 6922 as drive pipe, the RCA 22DE4 as

high voltage rectifier rectifier bravery

●Left and right channels completely independent design, and strive to two channel tone

●At the cost of using Multicap audio capacitor, the IRC resistance, axial capacitor, philips

BC panasonic relay, gold-plated CMC electric woodwind, high-quality RCA terminal,

balance the socket

●Function of infrared remote control can make audio input selection, volume and mute

remote control operation

●Successfully to the intuitive having a unique style into the volume dial design like that

design idea of the atmosphere

●Boot mute delay function (about 30 seconds)

●Selects the Japan ALPS high-grade motor potentiometer

●Convenient installation drawing plug-in valve cap 


Specification

-The whole machine gain: 20 db

-S/N Ratio: 90 db

-RCA frequency response: 17 hz ~ 100 KHZ (3 db)

-balance (after the output transformer) frequency response: 15 Hz~30 kHz(3db)

-THD: 0.5% (1 KHZ)

-mVRCA input sensitivity 250 (output terminal 2v)

Balance (after the output transformer) input sensitivity: 500 mv (output terminal 2 v)

-Jnput impedance: 100 k Ω (RCA) the input impedance balance 600Ω input port

-Output impedance: 600kΩ  balance output 600Ω (RCA)

-Tube Complement: 6KZ8 (thor) 6922 (universal) 22DE4 (RCA)

-Dimension (WxDxH) : (430 x 383 x196) mm3

-Power Consumption: 45 w

-working conditions: temperature 0℃~40℃ Moisture: 20% ~ 80%

-storage conditions: temperature: - 20℃~70℃ Moisture: 20% ~ 90%


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