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LM-513PA 單聲道后級放大器

產品特點:

●分體式單聲道設計。比較完善的音響系統由兩臺LM-513PA后級功放和一臺前級(如LM-512CA)和音源組成。

●純手工制作,整機采用搭棚焊接。

●特設平衡輸入端口加寬頻輸入耦合變壓器。

●采用具有特殊制作工藝、由高檔優質材料精制而成的碩大的寬頻EI型推動和輸出變壓你器。

●使用兩只相同的大功率環形電源變壓器,使功率分配合理充裕。

●緩沖級采用12AX7,放大級采用本公司設計開發的310電子管,推動級采用天津300B,功率管用4只845作并聯推挽功率放大。

●外設4只845功率管的電流檢測表頭。

●300B和845電子管采用自給偏壓工作方式使工作更加穩定安全可靠。

●特設電源開關瞬間延時功能。

●特設115/230V交流電壓選擇開關的方便地適應國內外不同的市電電壓。

●特設輸出功率顯示的貓眼增加靈動的感官效果。

●元件用料經聽音實驗后選用:高端的Muliticap專用耦合電容、美國IRC電阻、nichicon軸向電解電容、摩托羅拉大電流整流橋堆、高級的845管座、紅寶石、菲利普BC濾波電解電容、日本松下繼電器。

 

 

 技術參數:

-額定輸出功率:160W(MAX)

-諧波失真:1%(1kHz)

-整機頻響:15Hz~35kHz(-1.5dB)

-信噪比:87dB

-輸入阻抗:100kΩ(RCA)   600Ω(Balance)

-輸出阻抗:4Ω,8Ω,16Ω

-輸入靈敏度:1000 mV

-使用電子管:12AX7×1、310A×1、300B×1、845×4

-整機體積(W×D×H):( 447 x 497 x 347 )mm3

-凈重:73kg

-整機消耗功率:600W

-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:

●Split type mono design. More perfect sound system with two LM - 513 levels after pa

amplifier and a front  such as (LM–512ca) and the source of sound.

●Hand-made, the whole machine adopts welding booths.

●AD hoc balance input port and broadband input coupling transformer.

●Use with special craft, by high-grade refined from high quality materials large broadb

and EI type and output variable pressure you.

●Use two same high-power toroidal power transformer, the power allocation reasonable

enough.

●Buffer level 12 ax7, amplifier stage the design and development of the company 310

tube, promote the tianjin 300 b, power works only 845 for parallel push-pull power amplifier.

●Peripherals four 845 power tube current meter.

●300 b and 845 tube with self-biased works make work more stable safe and reliable.

●AD hoc power switch instantaneous time delay function.

●AD hoc 115/230 v ac voltage selector switch easily adapt to different mains voltage at

home and abroad.

●The AD hoc power output shows the cat‘s eye increase clever sensory effects.

●Component materials after listening experiment chooses: high-end Muliticap coupling

capacitance, the IRC resistance, axial electrolytic capacitor, MOTOROLA nichicon heavy

current rectifier bridge, advanced 845 pipe reactor, ruby, Philip BC filtering electrolytic

capacitor, Japan panasonic relay

 

 

Specification:

-Power output: 160W (MAX)

-THD: 1% (1kHZ)

-Frequency response: 15 hz ~ 35 kHZ (1.5 dB)

-S/N Ratio: 87 db

-Input Impedance: 100 k Ω (RCA) 600 (Balance)

-Output impedance: 4 Ω, 8 Ω, 16 Ω

-Input Sensitivity: 1000 mV

-tube:12AX7x1、310Ax1、300B x1、845 x 4

-Dimension (W x D x H) : (447 x 497 x 347) mm3

-Net weight: 73 kg

-Power Consumption: 600 w

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

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


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