Analog FM Tuner

AIRAnalog FM Tuner

The first and only MOON FM tuner, and it was pure analog too.

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Launched in 2000, Discontinued in 2003

The MOON Air Analog FM Tuner was the ultimate tool for discovering new musical recordings and artists over the FM airwaves. A high resolution source component, the MOON Air brought you so much closer to the radio broadcast than you had been accustomed to in the past, with inner detail and sonic transparency that you would least expect from an FM tuner.
The reasoning behind an analog design (as opposed to a Phase Locked Loop digital circuit) was three-fold: (1) a more precise adjustment to the center of a desired station frequency, which in turn maximizes stereo separation (2) the ability for minimizing on-frequency interference by tuning slightly off center in certain situations such as when operating in urban centers and (3) superior sonic performance by maintaining the audio signal in the analog domain throughout the entire circuit.

User manual

Technical aspects

Large easy-to-read digital display for station frequency
OFC wiring throughout the entire audio signal path
Power supply using a shielded toroidal transformer, ultra linear capacitors and precision
voltage stabilizers
Two selectable RF antenna inputs
Dual automatic gain control (AGC) stage which eliminates a local/distant switch
Five stage analog front end for improved station separation
Three LED array for center tuning indicator
Bar graph LED array for signal strength & multipath measurements
 LED indicators for Stereo/Mono; IF bandwidth setting & antenna input
Standby mode allowing for always powered-up circuit stability
Tunable matched precision IF amplifiers for consistent sonic performance
"Narrow" and "ultra wide" IF bandwidth settings to control adjacent channel interference
Optional remote control functions include Bandwidth Selection, Antenna Input Selection,
Mono or Stereo
Selection, Signal Strength or Multipath display, FM Muting on/off and Power on/off
Extremely rigid chassis construction to minimize the effects of external vibrations
Designed to be powered up at all times for optimal performance
Low operating temperature for a longer than normal life expectancy.

Magazine reviews

 hi-fi+   (United Kingdom)  Paul Messenger  September/October 2002   #19