Tivoli Audio is an American electronics company based in Boston, Massachusetts, mainly making radio

Radio

Radio is the transmission of signals through free space by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space...

s and other sound reproduction equipment. The company was started by Tom DeVesto. Tivoli Audio emphasizes a simple and functional design

Design

Design as a noun informally refers to a plan or convention for the construction of an object or a system while “to design” refers to making this plan...

 without redundant switches, knobs or lights. Henry Kloss

Henry Kloss

Henry Kloss was a prominent American audio engineer and businessman who helped advance high fidelity loudspeaker and radio receiver technology beginning in the 1950s. Kloss was an undergraduate student in physics at Massachusetts Institute of Technology , but never received a degree...

 designed several versions, including the PAL

Tivoli Audio PAL

The PAL or Portable Audio Laboratory is a radio produced by Tivoli Audio. It was designed by Henry Kloss . Supporting both the FM and AM bands, it was designed as an outdoor, portable version of the earlier Model One.-Features:...

. Many types, including the Model One and Model Two, incorporate visual elements similar to Kloss' legendary KLH Model Eight table radio; most prominent is the vernier rotary tuning dial, which allows the user to carefully dial in a station without requiring excessively-steady hands.
Tivoli Audio sells its products in the US, Canada, UK, Germany, and 30 other international countries.

Models

• Tivoli Audio Model One, monaural
  Monaural
  Monaural or monophonic sound reproduction is single-channel. Typically there is only one microphone, one loudspeaker, or channels are fed from a common signal path...
  
   radio
• Tivoli Audio PAL
  Tivoli Audio PAL
  The PAL or Portable Audio Laboratory is a radio produced by Tivoli Audio. It was designed by Henry Kloss . Supporting both the FM and AM bands, it was designed as an outdoor, portable version of the earlier Model One.-Features:...
  
  , portable version of Model One
• Tivoli Audio Model Two, stereophonic
  Stereophonic sound
  The term Stereophonic, commonly called stereo, sound refers to any method of sound reproduction in which an attempt is made to create an illusion of directionality and audible perspective...
  
   radio, expandable with a subwoofer
  Subwoofer
  A subwoofer is a woofer, or a complete loudspeaker, which is dedicated to the reproduction of low-pitched audio frequencies known as the "bass". The typical frequency range for a subwoofer is about 20–200 Hz for consumer products, below 100 Hz for professional live sound, and below...
  
  
• Tivoli Audio Model Three, monaural clock
  Alarm clock
  An alarm clock is a clock that is designed to make a loud sound at a specific time. The primary use of these clocks is to awaken people from their night's sleep or short naps; they are sometimes used for other reminders as well. To stop the sound, a button or handle on the clock is pressed; but...
  
   radio, expandable with a subwoofer and an extra speaker for stereo
• Tivoli Audio Model DAB, monaural DAB
  Digital audio broadcasting
  Digital Audio Broadcasting is a digital radio technology for broadcasting radio stations, used in several countries, particularly in Europe. As of 2006, approximately 1,000 stations worldwide broadcast in the DAB format....
  
   clock radio, expandable with a subwoofer and an extra speaker for stereo
• Tivoli Audio Model CD, Compact Disc player
  Compact disc player
  A Compact Disc player , or CD player, is an electronic device that plays audio Compact Discs. CD players are often a part of home stereo systems, car audio systems, and personal computers. They are also manufactured as portable devices...