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  • 產品名稱: LM-217IA 合并式功率放大器
  • 產品編號: LM-217IA
  • 上架時間: 2017-01-11
  • 瀏覽次數: 2100

產品特點:
●純手工制作,整機采用搭棚焊接
●采用二只優質寬頻響高音質EI輸出變壓器
●使用專門為本機設計的EI型電源變壓器
●前級使用12AX7和12AU7真空管各二只
●后級使用300B真空管做單端A類功率放大
●三極管工作方式,聲音柔軟、純正和圓滑,適合欣賞人聲、弦樂等類型的音樂;
●外設功率管電流調整鈕和電流顯示表頭
●紅外功能??仄?br /> ●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:
-額定輸出功率:8W+8W(RMS 三極管工作狀態)
-整機頻響:10Hz~50kHz(-1.5dB)
-諧波失真:1%(1kHz)
-信噪比:87dB
-輸入靈敏度:180 mV
-輸入阻抗:100kΩ
-輸出阻抗:4Ω ,8Ω
-整機體積(WxDxH):( 376 x 345 x 191.5 )mm3
-使用真空管:12AX7 x2、12AU7 x2、300B x2、5U4G x1、5AR4 x1
-凈重:19.6Kg
-整機消耗功率:90W
-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
●Hand-made construction with the finest point-to-point wiring.
●Specially designed EI transformer for power supply.
●Two EI output transformers with wide bandwidth are applied.
●Two 12AX7s and 12AU7s are used in the preamp stage.
●300B tubes are used for A single ended class a power amplifier.
●Provide the triode and superlinear selection function. Triode, voice soft, pure and
smooth, suitable for appreciation vocals, string and other types of music;
●Triode and Ultralinear selection.
●SoftStart and time-delay circuit. (30 seconds)
●ALPS volume control and Realcap capacitors are applied.
●Remote control for all functions.
●User bias control is accessible on top of the amplifiers panel with true ampere meter.
●Convenient installation drawing plug-in valve cap
 
 
 
Specification
-Power output:8W+8W(RMS Triode operation)
-Frequency response:10Hz~50kHz(-1.5dB)
-THD:1%(1kHz)
-S/N Ratio:87dB
-Input Sensitivity:180mV
-Input Impedance:100kΩ
-Output Impedance:4Ω ,8Ω
-Dimension (WxDxH): (376 x 345 x 191.5)mm3
-Tube Complement:12AX7 x2、12AU7 x2、300B x2、5U4G x1、5AR4 x1
-Net weight: 19.6kg
-Power Consumption:90W
-Working Condition: Temperature: 0℃~40℃ Moisture: 20%~80%
-Storage Condition: Temperature: -20℃~70℃ Moisture: 20%~90%