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Dear customer,

Why does 

live music

 leave an unforgettable impression on you ? The answer is simple: 

dynamics

. The ability of a sound system to produce crystal clear low level sounds as well as 

extreme musical peaks without any distortion, the power to leave some headroom for those 

occasional peaks in music. Pure power ! This ease of music reproduction can not be described in 

figures or specifications.

In the following pages we will explain how we have reached our goal. 

Champ-One

 features an 

exceptionally dynamic output stage, a unique combination of class G and H amplifier topology, 

all packed in a two unit 

fanless

 enclosure. While our competitors are struggling with often poorly 

designed so called energy efficient class D digital amplifiers…well, we have taken a close look 

and listened carefully to some of these designs, and we were not impressed. We got inspired to 
make something 

APart

 from all the rest, and started from scratch.

Take a look at our new champion with his striking design and powerful set of features that will 

exceed the demands of passionate music lovers as well as system integrators. Designed with a 

continuous 4 ohm, 2 ohm dynamically stable high current output stage, 

Champ-One

 will surprise 

you with its sonic excellence and dynamic capacities. Remember, this unique amplifier has been 

developed with the impact of live music dynamics in mind. A true beauty, inside as well as outside, 
but also a beast if necessary.

Take your time and listen to our new 

Champ-One

 amplifier. Please fasten your seatbelts and 

beware, you might get blown away, not by the cooling fan, simply because there isn’t any. 

Experience the pure musical power of 

Champ-One

.

Manual contents

1.  Fanless design and highlights 

2.  Features 

3.  Inputs and outputs 

4.  Rack mounting and wiring 

5.  Standalone use

6.  Technical specifications

Introduction

Содержание Champ-One

Страница 1: ...INFO APART AUDIO COM MANUAL Champ One Champ One Audiophile Stereo Power Amplifier...

Страница 2: ...unit Do not use the unit if the electrical power cord is frayed or broken Always operate the unit with the AC ground wire connected to the electrical system ground Have gain controls on amplifiers tur...

Страница 3: ...some of these designs and we were not impressed We got inspired to make something APart from all the rest and started from scratch Take a look at our new champion with his striking design and powerfu...

Страница 4: ...e This means less maintenance no annual fan or dust filter exchange procedure no more amplifier cleanout no unwanted noise from cool ing fans Champ One relies on convectional cooling only a unique fea...

Страница 5: ...de double the output power and convert this amplifier into a monoblock amplifier with one push on a button Minimum load impedance is 8 ohms in bridge mode Protection circuitry the protection circuitry...

Страница 6: ...mplifier Why In order to produce a low tone such as a kick drum or bass guitar you need about 80 or more of an amplifier s power Because distortion is less audible in low frequencies you would want to...

Страница 7: ...s 4 ohms in 2 channel mode or 8 ohms in bridge mode Reduce the input level by a few dB so that this led never lights up anymore Don t ignore this 4 Temp led left channel this led lights up when the am...

Страница 8: ...never the ultrafast clip limiter becomes active This is a warning sign you are pushing things a little too far reduce the input level by a few dB so that this led never lights up anymore Don t ignore...

Страница 9: ...output muted In case the transformer is overheated it may take a few hours before the amplifier has cooled down sufficiently In such cases you may have overloaded the amplifier too much Power off the...

Страница 10: ...a mains fuse holder Replace this fuse only with a 6 3 AT 250V type Beneath the fuse holder you also find the ground lift switch 6 Right channel input level control turn the level control to a level t...

Страница 11: ...channel on off switch always leave this switched on Warning turning off the APC circuit will also bypass the amplifier s output stage temperature protection This is for service purposes only 16 Left b...

Страница 12: ...to route all AC wiring along one side of the rack and all audio wiring along the other side to avoid coupling mains cable interference into the audio path Please use only high quality signal and spea...

Страница 13: ...y audio chain In order to adapt the front panel dimensions to the dimensions of other equipment it is possible to remove the 19 brackets and handles for an even more sleek and refined look Remove the...

Страница 14: ...t allowed Dynamic capacity at 1 7 ohm both channels driven 1000 W ch 6 Technical specifications Rated output power both channels driven Bridge mono operation 8 ohm 900 W 2 channel mode 8 ohm 300 W ch...

Страница 15: ...ontrol APC programmable Power amp circuit design High current high voltage class G H Efficiency dynamic program of 10 dB 1 V input 70 Protection circuits DC HF clip overcurrent short circuit Temperatu...

Страница 16: ...estions to suggestions apart audio com CHAMP ONE is developed by Audioprof nv Lanteernhofstraat 90 BE 2100 Deurne BELGIUM Company names product names and names of formats etc are the trademarks or reg...

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