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  • 产品名称: LM-219IA 合并式电子管功率放大器
  • 产品编号: LM-219IA
  • 上架时间: 2016-11-04
  • 浏览次数: 230

产品特点:
●纯手工制作,整机采用搭棚焊接
●采用二只具有高档特殊工艺和优质宽频响高品质的EI型单端输出变压器
●使用2只大功率 EI 型电源变压器
●前级使用12AX7和本公司设计开发的推动管 310A真空管各二只
●后级使用二只845真空管做A类单端功率放大
●外设推动管与功率管电流微调旋钮有电流显示表头
●音量和静音功能遥控器
●开机高压延时和静音延时功能(约30秒)
●选用日本ALPS高档马达电位器
●方便安装的拔插式真空管防护罩
●高档双指针式输出电平表
●设有 300B 推动级与 845 后级屏流微调功能,由不同的工作电流来表现不同的音色,
如声音从柔润到十足动态感之间的变化
●声音柔软、纯正和圆滑,适合欣赏各种音乐类型。
 
 
 技术参数:
-额定输出功率:24W(单端甲类工作状态)
-整机频响:15Hz~35kHz(-1.5dB)
-谐波失真:1%(1kHz)
-信噪比:87dB
-输入灵敏度:合并式230 mV   纯后级1000 mV
-输入阻抗:100kΩ
-输出阻抗:4Ω,8Ω,16Ω
-整机体积(WxDxH):(430 x 430 x 400)mm3
-使用真空管:12AX7x2、310Ax2、300Bx2、845x2
-净重:55Kg
-整机消耗功率:400W
-工作条件:温度:0℃~40℃    湿度:20%~80%
-储存条件:温度:-20℃~70℃    湿度:20%~90%
 
 
Product features
●Pure Class A , Single Ended design . Twenty four watts per channel .
●All tube integrated with 12AX7 input tubes , 310A and 300B double stage driver tubes
and 845 output tubes.
●4 pairs of input connectors , Speaker terminals for 4 , 8 , 16 Ohm are provided.
●Two user bias controls and bias meters are located on the front panel , allowing you to
monitor and adjust bias with ease.
●One output meter with two needles is located on the middle of the frontplate , to allow
you to monitor the power output of each channel.
●Two pieces of specially designed EI transformers for the powersupply and two EI
transformers with wide bandwidth are used in the design.
●A Japanese ALPS audio grade volume potentio meter is used.
●Standard with remote control.
●Hand made construction with the finest point-to-point wiring.
●Soft start and time delay circuit ( 30 secondes ).

 

Specification:
-Power output:24W(Class A Single Ended)
-Frequency response:15Hz~35kHz(-1.5dB)
-THD:1%(1kHz)
-S/N Ratio:87dB
-Input Sensitivity:230mV(Integrated) 1000mV (Pre-IN)
-Input Impedance:100kΩ
-Output Impedance:4Ω,8Ω,16Ω
-Dimension (WxDxH):(430 x 430 x 400)mm3
-Tube Complement:12AX7x2、310Ax2、300Bx2、845x2
-Net weight: 55kg
-Power Consumption:400W
-Working Condition: Temperature: 0℃~40℃ Moisture: 20%~80%
-Storage Condition: Temperature: -20℃~70℃ Moisture: 20%~90%