APART Champ - 4 Manual Download Page 10

WWW.APART-AUDIO.COM

10

5. Technical specifications

Bridge-mono operation 8 ohm

130 W

4 channel mode 8 ohm

60 W / ch

4 channel mode 4 ohm

80 W / ch

Sine wave power, both channels driven (not recommended, for reference only)

This amplifier is designed for an audiophile music experience, not for lab testing!

RATED OUTPUT POWER, BOTH CHANNELS DRIVEN:

GENERAL TECHNICAL SPECIFICATIONS:

Input impedance / sensitivity unbalanced (RCA) / 4 

ohm

10 KOhm / 1 V 0dBV

Frequency response (0, -0.5 dB)

20 Hz – 40 KHz

THD

< 0.1 %

IMD

< 0.15 %

Noise

>100 dBA

Gain

26 dB (32 dB in bridged mode)

Damping factor

>100

Dynamics and level control

APC limiter

Protection circuits

DC, clip, overcurrent, short-circuit

Active filter channel  1 and 2 ‘100’ position

lowpass at 100Hz/12 dB/oct

Active filter channel  1 and 2 ‘AP’ position

APart-audio specific filter characteristic optimized for 

APart-audio passive subs

Active filter channels 3 and 4

highpass at 100Hz/12 dB/oct

Temperature protection

90°C/ch + transformer 105°C

Cooling

convectional, no fan

Power consumption

26 VA idle, 400VA full program

Mains power requirements

230VAC, 50-60Hz

dynamics program power, all channels driven

bridge-mono operation 8 ohm

230 W

8 ohm / ch

75 W

4 channel mode 4 ohm

125 W

dynamics capacity at 2* ohm / single ch

180 W

* this value represents the dynamics at impedance dips at certain frequencies of some speakers,

* this amplifier is NOT designed to drive full 2 ohm loads (example 2 or 3 speakers of 8 ohm in parallel)

Summary of Contents for Champ - 4

Page 1: ...INFO APART AUDIO COM MANUAL Champ 4 MANUAL Professional quad power amplifier...

Page 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...

Page 3: ...niting the power of 2 amplifiers Minimum load impedance in bridge mode is 8 ohms Self supporting low resonance frame Torsion free front and side panel construction with integrated heatsink assembly So...

Page 4: ...ing the amp Reduce the input level by a few dB so that this led never lights up anymore 5 Bridge led this led lights up to indicate that the amplifier is in bridge mode 6 Signal led channel 2 this led...

Page 5: ...light up red during a few seconds this is perfectly normal When it lights up red during use the power transformer or power amplifier is overheated or in protect mode and is shut down Turn off the powe...

Page 6: ...t pushed in channels 3 and 4 operate as full range channels 6 Channel 4 speaker binding post this connector accepts speaker cable as well as 4 mm banana plugs Remove the protective cover from the midd...

Page 7: ...ond connector as a signal link connector 14 Channel 1 unbalanced input on cinch connectors use the top or bottom cinch connector to apply an unbalanced signal on channel 1 These connectors are wired i...

Page 8: ...oute 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 speaker c...

Page 9: ...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 t...

Page 10: ...uits DC clip overcurrent short circuit Active filter channel 1 and 2 100 position lowpass at 100Hz 12 dB oct Active filter channel 1 and 2 AP position APart audio specific filter characteristic optimi...

Page 11: ...r an authorized APart Audio repair centre postage prepaid insured and properly packaged Proof of purchase must be presented in the form of a valid invoice or some other positive proof that the product...

Page 12: ...gestions to suggestions apart audio com CHAMP 4 is developed by Audioprof nv Lanteernhofstraat 90 BE 2100 Deurne BELGIUM Company names product names and names of formats etc are the trademarks or regi...

Reviews: