绝对官方发布的权威介绍，本人英语水平有限简单的翻译了一下

卡尔·马丁公司简介

ESR was founded in 1990 as a professional PA sound rental company.

ESR作为一家专业的音响设备租赁公司始建于1990年。

Shortly after we began producing custom made audio equipment.

不久后，我们开始生产定制的音响设备。

Our goal was from the very beginning to develop and produce products for the demanding professional musician, with a superior sound quality and features not seen on any other guitar effect pedal.

从一开始，我们的目标是为专业音乐家开发和生产苛求的卓越的声音品质和功能的产品，而且那时候还没有任何效果器踏板诞生。

As a result of that our first guitar effect pedal, The Hot Drive'n Boost, was introduced in 1993.

结果，我们的第一把吉他效果踏板——HOT Drive'n 激励，于1993年问世。

Due to our extensive knowledge of the professional music industry, and our contacts with a wide range of demanding musicians, we have been able to maintain a high quality of products and now have a range of 28 high quality guitar effect pedals, with more to come in the future.

基于我们对专业的音乐产业的丰富的理念，以及我们与众多音乐家广泛接触，我们一直能够保持产品的高品质，现在有28个高品质的吉他效果踏板的领域，更多的惊喜还在未来。

In 2005 we released our first point point handmade tube amplifier the Custom Shop 50, the line now includes heads,- caps as well as a bass system.

在2005年，我们发布了我们的第一台点对点手工电子管全管音箱——Custom Shop 50，现在这条生产线包生产箱头， 电子管帽 以及bass音箱系列。