-Audio-frequency electric amplifiers

HS v2012 Code: 851840

Revisions to 851840

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 851840. The most recent 1 version of this code (851840) is in the HS v2022 system:

This page shows a legacy version of code 851840 ( HS v2012).

Family tree for -audio-frequency electric amplifiers

    graph LR
    A["<a href='/classifications/hs/v2012/85'>85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles</a>"]
A --> B["<a href='/classifications/hs/v2012/8518'>8518: Microphones and stands therefor; loudspeakers, whether or not mounted in their enclosures; headphones and earphones, whether or not combined with a microphone, and sets consisting of a microphone and one or more loudspeakers; audio-frequency electric amplifiers; electric sound amplifier sets.</a>"]
B --> C["<a href='/classifications/hs/v2012/851840'>851840: -Audio-frequency electric amplifiers</a>"]

    B --> D["<a href='/classifications/hs/v2012/851810'>851810: -Microphones and stands therefor</a>"]
B --> E["<a href='/classifications/hs/v2012/851821'>851821: -- Single loudspeakers, mounted in their enclosures</a>"]
B --> F["<a href='/classifications/hs/v2012/851822'>851822: -- Multiple loudspeakers, mounted in the same enclosure</a>"]
B --> G["<a href='/classifications/hs/v2012/851829'>851829: -- Other</a>"]
B --> H["<a href='/classifications/hs/v2012/851830'>851830: -Headphones and earphones, whether or not combined with a microphone, and sets consisting of a microphone and one or more loudspeakers</a>"]
B --> I["<a href='/classifications/hs/v2012/851850'>851850: -Electric sound amplifier sets</a>"]
B --> J["<a href='/classifications/hs/v2012/851890'>851890: -Parts</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight