背部音箱 V2.0 BL2 - 蓝牙、主动式、被动式

Back Horn Speaker V2.0 BL2 - Bluetooth, Active, Passive

2023-03-26 19:53:48

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3D打印扬声器项目描述

This text appears to be a description of a 3D printable speaker project, likely posted on a platform like Thingiverse. Here's a breakdown of the information:

项目概述：

The project involves creating a "back loaded horn speaker" using 3D printing.
The enclosure can be fully printed, but using wood for side panels is recommended for better sound quality.
Different PLA filaments are suggested for various parts (carbon fiber for the body, wood PLA for side panels, silk copper/bronze for the front ring).

构建细节：

The design includes a wiring diagram and instructions for connecting components like an amplifier board, Bluetooth module, power adapter, and speaker driver.
It emphasizes safety precautions when handling high voltage and soldering.
A recent update allows for mounting 2.5" drivers using an adapter.

声音理论：

The project explains the concept of a back loaded horn speaker, comparing it to a reversed megaphone.
It highlights how the horn design enhances the efficiency of the driver, particularly beneficial for smaller speakers.