50K音量电位器RK08H113003G选型手册

Current Measurement SystemsAM5030 •AM5030SOur most up-to-date product information is available at:Copyright © 2005,Tektronix,Inc.All rights reserved.Tektronix products arecovered by U.S.and foreign patents,issued and rmation in this publi-cation supersedes that in all previously published material.Specification and pricechange privileges reserved.TEKTRONIX and TEK are registered trademarks ofTektronix,Inc.All other trade names referenced are the service marks,trade-marks or registered trademarks of their respective companies.1/05 DV/WOW51W-10226-3 you can configure and confirm thesettings of the amplifier or read theinstrument’s serial number. You candetermine whether the current probe isopen or closed, use bus commands toinitiate a self-test or force a probeDegauss and DC balance operation. TheAM5030 bus address is set through thefront panel and the address is retainedwhen power is removed. The AM5030does not require an external controller tooperate. It can be completely controlledusing the front panel; however, whenused with a controller, the front panelcan be disabled to prevent manualoperator adjustments.AM5030SThe AM5030S consists of an AM5030and a TM5003. If you already own apower module, order only an AM5030.If you need a power module, order anAM5030S. Order the appropriateprobes separately.Ordering InformationAM5030Programmable Current Probe Amplifier.Includes:50ΩBNC cable (012-0057-01);instruction manual (070-8766-05); reference card(070-8770-01).The AM5030 requires an A6312,A6302,A6303 or XL Series Current Probe and aTM5003 or AM5030S Power Module Mainframe.Please specify power cord when ordering.AM5030SProgrammable Current Probe Amplifier andPower Module.Includes:AM5030 Programmable Current ProbeAmplifier and TM5003 3-wide Power ModuleMainframe.Order probes separately.Pleasespecify power cord when ordering.International Power PlugsOpt. A0 –North America power.Opt. A1 –Universal EURO power.Opt. A2 –United Kingdom power.Opt. A3 –Australia power.Opt. A4 –240 V,North America power.Opt. A5 –Switzerland power.ServiceOpt. C3 –Calibration Service 3 Years.Opt. C5 –Calibration Service 5 Years.Opt. D1 –Calibration Data Report.Opt. D3 –Calibration Data Report 3 Years(with Opt.C3).Opt. D5–Calibration Data Report 5 Years(with Opt.C5).Opt. R3 –Repair Service 3 Years.Opt. R5 –Repair Service 5 Years.Contact Tektronix:ASEAN / Australasia / Pakistan (65) 6356 3900Austria +41 52 675 3777Balkan,Israel,South Africa and other ISE Countries+41 52 675 3777Belgium07 81 60166Brazil & South America55 (11) 3741-8360Canada1 (800) 661-5625Central East Europe,Ukraine and Baltics+41 52 675 3777Central Europe & Greece+41 52 675 3777Denmark80 88 1401Finland+41 52 675 3777France & North Africa+33 (0) 1 69 81 81Germany +49 (221) 94 77 400Hong Kong(852) 2585-6688India(91) 80-22275577Italy+39 (02) 25086 1Japan81 (3) 6714-3010Luxembourg+44 (0) 1344 392400Mexico,Central America & Caribbean52 (55) 56666-333Middle East,Asia and North Africa+41 52 675 3777The Netherlands***********Norway800 16098People’s Republic of China86 (10) 6235 1230Poland+41 52 675 3777Portugal80 08 12370Republic of Korea82 (2) 528-5299Russia,CIS& The Baltics7 095 775 1064South Africa+27 11 254 8360Spain (+34) 901 988 054Sweden020 08 80371Switzerland+41 52 675 3777Taiwan886 (2) 2722-9622United Kingdom & Eire+44 (0) 1344 392400USA1 (800) 426-2200USA(Export Sales) 1 (503) 627-1916For other areas contact Tektronix,Inc.at:1 (503) 627-7111Last Updated 3 November 2004。

Contents目 录Appearance外观说明---------------------------------------------1Product Features产品特点---------------------------------------------1Installation Notes and Conditions of Usage安装注意事项及使用条件--------------------------------3Installation Steps安装步骤说明-----------------------------------------4Product Selection Table产品选型表-------------------------------------------5Control Mode and Application Load控制方式及适用负载------------------------------------7Wiring and Layout Considerations配线及布局注意事项------------------------------------7Terminal Wiring端子接线说明-----------------------------------------8Load and the Controller Wiring Diagram负载接线图和控制器接线图------------------------------9Product Parameters产品参数--------------------------------------------10Product Dimensions产品尺寸示意图--------------------------------------11Appendix :Electric Heating Wiring Diagram Examples附录：电加热接线实例图Product Pictures产品图片示例----------------------------------------12Thyristor power regulator is one kind of digital power controller,which is based on power semiconductor module (SCR ) and the digital processor core technology .It is also called Voltage Regulation for short .As a result of phase angle control and zero crossing control technology, the products has intelligence integration of voltage and power regulation significant features.可控硅电力调整器是一种以电力半导体模块（晶闸管）为基础，以数字处理器技术为核心的数字电力功率控制器。

VICTORY V50 ‘The Earl’All Valve 50 Watt Guitar Head User Guide• Do not use this amplifier near water or any other liquid• Do n ot block any openings• Do not attempt to clean the amplifier with any fluids: use only a dry clothDo not attempt to modify or service this product yourselfRemoving covers could mean you are exposed to dangerous voltages that may result in severe injury or death• Refer all servicing to qualified service personnel• Damage Requiring Service: Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:(a) When the power-supply cord or plug is damaged;(b) If liquid has been spilled, or objects have fallen into the product;(c) If the product has been exposed to rain or water;(d) If the product does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions. Improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation;(e) If the product has been dropped or damaged in any way;(f) When the product exhibits a distinct change in performance - this indicates a need for service. Replacement Parts: When replacement parts are required, be sure the service technician uses replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards.InputPlug your guitar in here!when you want to introduce more natural valve overdrive to your tone.Balancing your input gain level with your master volume level is crucial in delivering the tone and feel that works best for you.Pull CrunchThe Clean Gain control incorporates a pull-switch. This can be used to introduce more gain into the Clean Channel for Crunchy rhythm playing or just to add a bit more character to the clean sound. The amount of ‘Crunch’ will vary depending on how much Clean Gain is dialed in.Channel Select SwitchThe V50 has two channels that you can switch between using this front-panel toggle, or a remote footswitch plugged into the Channel/Boost footswitch socket.The clean channel is selected by switching the selector to the left.Overdrive GainExactly the same a s the clean channel, this controls the input gain… except here there’s a whole load more of it! Run it lower for crunchy sounds, in the mid-range for thicker overdrive, and crank it up for the fullest distortion.BoostThe overdrive channel in the V50 also has a switchable gain boost, which is accessible via the footswitch or front panel toggle switch. It enables you to go from crunchy rhythm guitar to sustaining lead guitar tones.Overdrive ReverbUse this control to adjust the amount of Reverb on the Overdrive channel.HIGH – STANDBY – LOW SwitchThe V50 should always be switched on, (mains switch on front of amplifier), with this front panel toggle switch in its centre position. The amplifier is now in ‘STANDBY’ mode with just the valve heaters and low voltages on. This allows the valves to heat up before they get 100s of volts up th em, (it’s less of a shock). After around 60 seconds, the amp can be switch to either HIGH, (around 50 Watts rms) or LOW, (around 15 Watts rms). To extend valve life, the amplifier can be switched to ‘Standby’ when not being played. REAR PANELVoltage selectorSelects the correct mains voltage for your territory. Please refer to a qualified technician before even thinking about moving this switch. If you do find yourself in foreign climes where the mains voltage is different to home, (and the water tastes funny), it will be necessary to switch this selector. The mains fuse must always be changed at the same time. Failure to do this will result in either the mains fuse blowing as soon as the amp is turned on or the amp running with a fuse that is of too higher value tovalve are shorted and in this case the amplifier needs to be checked by a qualified engineer to assess the problem.Speaker OutputsPLEASE NOTE: The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated ‘dangerous voltage’ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of el ectric shock. Terminals labelled as “Speaker Outputs” must be connected to a speaker cabinet of the designated load rating using an un-shielded two conductor cable for speaker use at all times during operation. Never use a guitar cable to connect the ampli fier to a speaker as this presents the amplifier with a ‘capacitive load’. This can cause instability or oscillation which may seriously damage valves and/or the expensive output transformer.Never run the amplifier without a load connected or serious damage to the output transformer may occur.The output transformer in the V50 has 3 separate secondary windings; a 4 Ohm, an 8 Ohm and a 16 Ohm. This makes it easy to connect many different combinations of speakers. There are five speaker output jacks: 2 x 4 ohms, (wired in parallel), 2 x 8 ohms, (wired in parallel) and 1 x 16 ohms.So here are all the possible combinations:For a single 4 Ohm cabinet, use either of the 4 Ohm sockets.For a single 8 Ohm cabinet, use either of the 8 Ohm sockets.For a single 16 Ohm cabinet, use the 16 Ohm socket.amplifier is a rubbish way to die.Also take care as valves may still be very hot from use.Please always try to buy matched sets of output valves as they will be easier to Bias and give longer service. Ensure the toggle switch on the top of the chassis is in the correct position for the selected output valves, (either 6L6s or EL34s). Toggle towards output valves for 6L6s.Unplug the V50 from the mains; remove the rear grill and the 4 retaining bolts on the underside. Carefully slide the chassis from the wooden sleeve and place it on a clear and secure surface upside down so all its soft bits are exposed. Take care not to damage the output valves when turning the amp over.The BIAS pre-set is found on the power supply PCB, (see yellow circle on photo). The best place to take a Bias voltage measurement is across each one of the two 1 Ohm resistors that are fixed between the chassis and Pins 1&8 on the output valve ceramic bases (see yellow squares on photo).Using a multimeter set on the 200mV range, measure across each of these resistors in turn and adjust the BIAS preset so the meter reads between 32 and 40mV. This translates into 32-40mA of current per output valve so each valve is biased at between 32 & 40mA, (34mA is a good figure to aim for). Check both resistors a few times and try to balance the Bias voltage so it is as close as possible between the 2 pairs. We don’t recommend a difference of greater than 6mV between each valve.A note from Team VictoryWe’ve built your Victory Amplifier as a professional, no-compromise musical instrument, with a great deal of pride and an absolute commitment to tone. We encourage you to learn to get to know it by experimenting with all the controls, in order to discover its vast array of tonal combinations.Thank you for making your tones with us: we wish you many years of achieving inspiring sounds to push your playing ever onwards.I’ll shut up; you go play yer guitar.Team VictoryContact info: ************************.ukWeb: /user/VictoryAmps/VictoryAmpsUK。

3G-β3-EC-130412-001User ManualDIGITAL SPEAKER CONTROLLERC880024 BIT DIGITAL CROSSOVER SYSTEM PROCESSOR12345678LIMITER MUTE -6-10OVER -20COMP MUTE-6-10OVER -20INPUT OUTPUTLIMITERMUTE-6-10OVER -20Para12345678C8800122233444412131. CAUTION 2. INTRODUCTION 2.1 Main Features 3. PACKAGE4. AC POWER REQUIREMENTS5. FRONT PANEL CONTROL FEATURES6. REAR CONNECTING FEATURE7. .DISPLAYS AND OPERATION 7.1 Main Menu7.2 Browse Configuration Program 7.3 Call the Configuration Program 7.4 Modify ID Number8. BUILT-IN SIGNAL PROCESSING 9. SOFTWARE10.DEFINITION OF PORT 11.SPECIFICATIONSTABLE OF CONTENTS6679 9.1 How to Get this Software9.2 Facility and the Connection of Computer. 9.3 Instruction of PC Software 9.4 Signal Process Module 11 9.5 EQ/Xover Curve 55 8.1 Input Part 8.2 Output Part!Instruction:The lightning flash with arrowhead symbol within the equilateral; triangle is intended to alert the user to the presence of un-insulated “angerous voltage ” within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock.The exclamation point within the equilateral triangle is intended to alert the user to the presence of important operation an maintenance (servicing) instructions in the literature accompanying this appliance.Do not open the cover ：Do not open the cover to avoid the risk of electric shock caused by high voltage parts in the product. Any problems caused by user's wrong actions are out of warranty.the cord Please hold the plug when pulling out or plug in the cord. Do not pull out or touch the cord with wet hand, or it will cause the risk of electric shock. Power supply cords should be routed so that they are not likely to be walked upon or pinched by items placed on or against them. When removing the cord from a power outlet be sure to remove it by holding the plug attachment and not by pulling on the cord.Avoid object and liquid entry ：Abnormal status ：Nonuse for a long time ：Take care that objects do not fall into and that liquids are not spilled into the inside of the product.If the object or liquid enter the product, please ask qualified personnel to check it.In the event of abnormal noise and smell, please put off the power supply and pull out the cord, please ask qualified personnel to check it.When nonuse it for a long time, please put off the power supply and pull out the cord to avoid the unexpected dangers.Do not damage the cord ：1. CAUTION2. INTRODUCTIONThank you for your purchasing of the device digital speaker processor, this processor builds on the advanced and experienced ideas of design and marketing, the excellent audio performance and competitive quality & price ratio make sure your interests.2.1 Main FeaturesThe Device utilizes state of the DSP technologies, beginning with 24bits,48kHz delta-sigma A/D and D/A converters with 32bits floating points DSP. Digital processing includes Gain, Polarity Invert, Parametric EQ, Shelving Filters, Delay, Crossover Functions (Butter worth /Bessel/Linkwitz, optional slope12dB~36/oct),Limiting Functional Module, etc. Each input signal can be passed to another channel by router and can be delayed max 4 seconds.6 way LED signal indicates the status of each input and output dynamic.LCD displayed information of program and device.40 groups of configure programs is available for the user.1 USB communication port is used for connection of PC software and updated the program.Dual RS485 port can be used for connection with more device at large gymnasiumapplication by user3. PACKAGEAs a part of our system of quality control, every product is carefully inspected before leaving the factory to ensure flawless appearance, after unpacking, please inspect for any physical damage, keep the shipping carton and all packing materials, if have any physical damage, please inform you dealer.4. AC POWER REQUIREMENTSBefore connecting your device with your local voltage please make sure your local voltage and AC socket is same or cover this device, if your device doesn't work, normally the reason is fuse broken, please ask help for replacing same fuse by professional person.5. FRONT PANEL CONTROL FEATURES1. USB connection port.2. Input channel mute button3. LCD display.4.Para button for parameter selection or confirmation of menu.5.Up button for parameter selection.6.Down button for parameter selection.7.Output channel mute button8.Input channel signal level indicator and mute status indicator 9.Output channel signal level indicator and mute status indicator6. REAR CONNECTING FEATURE1 Output Signal Terminal2 Input Signal Terminal3 RS485 Input Terminal4 RS485 Output Terminal 5 Power Switch6 Power Input Socket7 Product Serial NumberC880024 BIT DIGITAL CROSSOVER SYSTEM PROCESSOR12345678LIMITER MUTE -6-10OVER -20COMP MUTE-6-10OVER -20INPUT OUTPUTLIMITERMUTE-6-10OVER -20Para12345678①②③④⑤⑦⑨⑧⑥⑦①③④⑤⑥②~230V / 50HzIN OUT RS485POWER OUTPUTINPUTWARNINGRISK OF ELECTRIC SHOCKDO NOT OPENS/N:DONGGUAN 3G AUDIO TECHNOLOGY CO., LTD.87654321876543217. DISPLAYS AND OPERATION7.1 Main Menu. Switch on power, The display will show program name you are using asfollowing:Preset 18x8 Digital Process7.2 Browse Configuration Program. You can browse internal configuration program by up ordown button under main menu as following:Recall: Preset 18x8 Digital Process7.3 Call the Configuration Program.you can call the configuration program by push "para"button under main menu or browse configuration program.Recall Preset 1Are you sure Yes/No ?Select "YES","NO" by up or down button, then push "Para" button to carry out. Select"Yes" showed as following and "No" for back to menu.Recalling...Please Waiting!7.4,Modify ID Number: keep pressing "Para"to modify ID number as following:Modify Device IDID: 01Modify ID number from 1-50 by up or down button, ID number will be savedautomatically when you modified.8. BUILT-IN SIGNAL PROCESSINGThis device equipped with 8 channel input signal port and 8 channel output signal port, anyinput signal can be passed to another output with different ratio.8.1 Input Part1.Five parametric equalizerEQ Type: peaking/bandpass/hi-shelf/lo-shelf/notch.Frequency: 20~20KHz,based on 1/12oct，totally 121 frequency points.Level: peaking/hi-shelf/lo-shelf filtering gain，can be adjusted between -12dB~+12dB,0.5dB/step.Q: peaking/bandpass/notch filtering quality factor，can be adjusted between 0.31~19.4.2.Input Gain(Gain)+12dB~ -90dB adjustment 1dB/step3.Input Channel Delay, Each Channel can be delayed Max 2 seconds4.Input Mute Switcher(Mute)8.2 Output Part1.Signal Route, Any input signal can be passed to any output with different ratio.2.Output Channel Delay(Delay),Max delay for each output channel is 2 seconds, Max delay for each channel is 4 seconds,(input + output delay),can be adjustment separately.3.Crossover(HPF/LPF)Frequency: 20~20KHz,Based on 1/12oct，totally 121 frequency points.Filter Type:2/3/4/5/6 step Butterworth2/3/4/5/6 step Bessel2/4 step Linkwitz-Riley4.Seven parametric equalizer(PEQ)EQ Type: peaking/bandpass/hi-shelf/lo-shelf/notch.Frequency: 20~20KHz,based on 1/12oct，totally 121 frequency points.Level: peaking/hi-shelf/lo-shelf filtering gain，can be adjusted between -12dB~+12dB,0.5dB/step.Q: peaking/bandpass/notch filtering quality factor，can be adjusted between 0.31~19.4。

ZKZ3过零调功电力调整器与可控硅触发板操作手册首先感谢您使用本公司的产品！在您使用之前请仔细阅读本说明书，如有疑问敬请电话垂询。

北京佳凯中兴自动化技术有限公司1．概述：ZKZ3过零调功电力调整器是2006年我公司根据市场需求设计开发的新一款电力调整器。

其主要应用于恒阻负载的三相两控的控制方案中。

ZKZ3是一款性能十分出众的电力调整器，可谓本公司又一款经典设计。

ZKZ3除一般过零调功器所具备的通用功能外，还设计了如：级联分时启动、过流保护、负载欠流（包括加热器断线）保护及报警、电流环工作状态发送等一些只在高端产品中才有的功能，使您在设计中可更加得心应手。

ZKZ3主要应用于三相两控、三相三控过零调功电力调整器（详见选型表）。

ZKZ3系列单相调整器由控制板、散热单元、功率模块外壳等组成。

散热系统采用高效散热器、低噪长寿命风机。

输出调节有PWM定周期调功和CYC周波变周期调功种方式供您选择。

2．技术指标及主要功能：⏹功率元件： 进口单向反并联晶闸管模块⏹电流容量： 40、80、150、225、300、400、500A AC⏹控制板电源与功耗： 220V AC ±10% 50HZ, 功耗：2W最大⏹风扇电源(根据型号配备)： 电压：220V AC 电流：0.5 A以下⏹控制输入： 4~20mA DC输入, 接收阻抗120Ω； PWM输入周期2秒0~5V 、0~10V接收阻抗10KΩ（订货时需特殊声明）⏹LED状态显示灯：三色状态LED灯(1支)： 绿色， 运行（有输出）红色， 过流报警（无输出）红绿闪烁，散热器超温报警（无输出）黄色， 控制板故障红色闪烁，欠流或者加热器断线⏹负载方式： 单相；三相两控（只适用于星型中心不接N或着三角型接法）；三相三控（星接或角接）⏹调节输出方式: 1）周期4秒或8秒的PWM 占空比输出 ，拨码开关SW1-1拨向OFF2）CYC（周波过零），拨码开关SW1-1拨向ON状态⏹调节输出分辨率： 20ms即一个正弦波⏹驱动输出： 可变宽度脉冲：8°~120°；驱动反并联可控硅模块：触发电流：200mA驱动移相型固态继电器：触发电压：12V 电流：20mA ;⏹欠流报警功能： 内部P1电位器设置欠流报警倍数⏹自动/手动转换: 外接无电压接点 闭合（ON）:手动；断开或不接（OFF）:自动⏹手动方式： 外接10KΩ电位器调整⏹电流检测： 负载电流超过其允许电流则切断输出并报警；能自动判断负载是否断线并报警⏹状态发送功能： 与DDR-Z3配套使用此功能，DDR-Z3可指示出调整器当前工作状态⏹散热器超温保护: 75℃温度开关，±5℃⏹报警继电器： 常开接点（2A/250VAC）⏹报警类型：过电流、加热器断线或欠流、功率器件故障、散热器超温⏹解除报警:故障排除后重新上电运行。

电阻体数2联总阻值20kΩ电阻规律15C 焊接方法Manual 型10型操作部种类旋转径: φ14板厚: t0.9颜色: 黑安装板种类插入(2mm)可用于直流不可AC 专用使用温度范围-10℃ to +60℃电性能总阻值允许差±30%额定功率0.03W 最高使用电压50V AC 最大衰减量70dB min.绝缘电阻100MΩ min. 100V DC 耐电压100V AC for 1 minute 机械性能全旋转角度270°±10°旋转扭矩0.5 to 10mN・m 终端止挡强度70mN·m 轴推拉强度5N 耐久性能操作寿命10,000 cycles 最小订货单位(pcs.)日本3,000出口2,400 外形图带旋钮型 RK10J/RK14J系列ｗｗｗ．ｊｅｐｓｕｎ．ｃｏｍ深圳市捷比信实业有限公司安装孔尺寸图自插入侧看端子排列ｗｗｗ．ｊｅｐｓｕｎ．ｃｏｍ深圳市捷比信实业有限公司电路图包装规格散装包装数(pcs.)1箱/日本3,0001箱/出口包装2,400出口包装箱尺寸(mm)371×250×190焊接条件手工焊接方式的参考举例烙铁头温度350℃ max.焊接时间3s max.焊接次数 1 time表示本系列共通的注释。

1. 本产品目录中产品的颜色，与实物的颜色有所差异。

2. 请以最小订购单位的N(整数）倍来订货。

3. 除了产品一览之外，还备有丰富的可适用产品规格。

4. RK14J,可用浸焊需要时请指定「浸焊品」。

50k a音量电位器分流电阻一、介绍50k a音量电位器的作用50k a音量电位器是一种用来控制电子设备音量的重要元件，它可以通过改变电阻值来调节电流，从而达到控制音量的目的。

在音响设备、电视机、汽车音响等电子产品中都有广泛的应用，是调节音量大小的关键部件之一。

二、50k a音量电位器的组成结构50k a音量电位器通常由电阻体、旋钮、引脚等部件组成。

其中，电阻体是影响电位器性能的重要部件，它能够改变电流的流动路径，从而实现对音量的调节。

三、50k a音量电位器的分流电阻原理分流电阻是指电流在电路中经过不同路径时，被分割成不同的部分，进而影响电路中的电流大小。

在50k a音量电位器中，分流电阻通过改变电阻体的位置，调整电路中的电流分布，实现调节音量的功能。

当旋钮转动时，电位器的电阻值会随之改变，从而改变电流的流动路径，进而影响音量大小。

四、对50k a音量电位器分流电阻的实验验证我们可以通过实验来验证50k a音量电位器的分流电阻原理。

具体步骤如下：1. 准备一个50k a音量电位器和一个电流表。

2. 将电流表与电路连接，并让电流通过电位器。

3. 转动电位器的旋钮，观察电流表的读数。

4. 不断调节旋钮，记录下不同电位器位置下电流表的读数。

5. 根据数据分析，验证分流电阻原理对音量的影响。

通过上述实验，我们可以得出结论：50k a音量电位器的分流电阻原理有效地影响了电流的大小，实现了对音量的调节。

五、50k a音量电位器在电子产品中的应用由于50k a音量电位器可以精确地控制音量大小，因此在各种电子产品中都有广泛的应用。

在音响设备中，50k a音量电位器可以通过旋钮轻松调节音量大小；在汽车音响中，也可以通过50k a音量电位器来实现音量的调节。

在今后的一定时间内，随着技术的不断发展，50k a音量电位器的应用领域还将继续扩大，其在电子产品中的作用也会变得更加重要。

六、结语通过以上内容我们可以了解到，50k a音量电位器是一种可以通过分流电阻原理来调节音量大小的电子元件。