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Thank you for choosing the Stello AI

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320 from April Music.

The AI

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320 is one of the finest integrated amplifiers available on the market today. It will give 

the true meaning to the reproduction of recorded music with high fidelity and musicality.

Although the natural reproduction of recorded music is not only an elegant way to describe 

our product, it is a feeling that captures your full attention from the very first moment you 

experience the Stello integrated amplifier. You can feel the subtlety and nuances of the inner 

details, the lightness of touch within the music which you can only feel at the concert hall.

 

The AI

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320 delivers 140Watts per channel and will power with an extreme ease most of the 

loudspeaker systems designed for home audio applications, even those that are very 

demanding. Your amazement will also be triggered by an extremely quick transient 

response where every small micro dynamic signal is distinctively there!

  

INTRODUCTION

Page1

We designed the AI

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320 with some very interesting features

The PREAMPLIFIER OUTPUT, for example, allows the use of an 

independent external amplifier to be coupled with the preamplifier section 

of the AI

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320.

The BYPASS input is also prepared to support AI

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320 as a main power 

amplifier when used with a surround processor.

The CS3310-based volume control is a very high-end volume control 

logic which is not usual with products in such an affordable price range. A 

120 steps volume control allows the user to set the volume with an 

extreme accuracy.

The Remote Control Unit has been designed to operate both Stello 

products, the AI

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320 and CDA320. It is machined in a solid block of 

aluminum.

AI 320 

INTEGRATED AMPLIFIER

Summary of Contents for Stello AI 320

Page 1: ...or home audio applications even those that are very demanding Your amazement will also be triggered by an extremely quick transient response where every small micro dynamic signal is distinctively the...

Page 2: ...itch Off or unplug the AC power lead when you plan to leave the house for a prolonged period of time It is important to maintain proper ventilation around the AI 320 Do not put other devices over the...

Page 3: ...er Section The AI 320 is using four bipolar power transistors for each channel of the power amplifier section The main circuit is designed to preserve and maintain the maximum quality of sound reprodu...

Page 4: ...L IN Connection for Balanced audio cables between the AI 320 and the sources material for example the CDA320 CD player TUNER Connection for tuners for FM AM broadcasting station AUX Connection from Vi...

Page 5: ...the loudspeaker cables between the amplifiers and loudspeaker system The loudspeaker cables should be connected to prevent any contact between the plus and minus The plus and minus of the amplifier s...

Page 6: ...ction configuration possible the surround processor should have i its own volume control The volume control should be done at the surround processor side Cassette tape recorder connection 3 CHANNEL AM...

Page 7: ...MAIN IN MAIN IN SUBWOOFER CONTROLLER POWERED SUBWOOFER MAIN LEFT SPEAKER MAIN RIGHT SPEAKER CONNECTION Page7 AI 320 INTEGRATED AMPLIFIER 2 Using the AI 320 as a Preamplifier Connection to an external...

Page 8: ...rature In the standby mode the last settings source and volume level are memorized When pressing the STANDBY button again the display will show the previous source and volume level settings INPUT The...

Page 9: ...supplied Allen Key Wrench remove the back cover on the remote control handset Install two triple A size batteries following proper polarity Test the remote control handset for proper operation Install...

Page 10: ...a t 8 Ohms MAXIMUM POWER CONSUMPT ION 500 WATTS SIGNAL OUTPUTS 1 RCA R EC Output 1 PREAMP Output SIGNAL INPUTS 4 RCA U nbal anced 1 XLR Ba l anced 1 RCA B ypass Front Pa nel Rem ot e Cont rolle r Swit...

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