NTX-2009

Measured Voltage

13.8V

Test Date

2009.1.12

Conclusion

CH1

CH2

CH3

CH4

Output Power (RMS) @ full load (W) @ 1% THD   1K Hz

81W

81W

82W

82W

Load4ohm

Bridged Output Power (RMS) (W) @ 1% THD   1K HZ

240W

239W

Output Power (RMS) @ full load (W) @ 1% THD       1KHZ

114W

118W

116W

115W

Load2ohm

THD          (%)  @1W        

0.28%

0.26%

0.21%

0.21%

Load4ohm

THD          (%)  @ 1W     

0.37%

0.36%

0.34%

0.29%

Load2ohm

Frequency Response         (HZ)   @-3dB 1KHz

1W

20HZ∼20KHZ(±3dB)

Rated Power

20HZ∼20KHZ(±3dB)

Frequency Adjustment     (HZ)    @  1W   -3dB

Low pass

35HZ∼129HZ

 20Hz (0dB)

High pass

250HZ∼800HZ

1KHz (0dB)

Boost (dB) @1W

High pass

1KHZ/5KHZ

0dB∼10dB

Low Pass

45 HZ

0dB∼10dB

S/N Ratio(A+)      (dB)

@ 1KHz

1W

75dB

Rated Power

91dB

Channel Separation @ rated power  (dB)

-62dB

Input Sensitivity

(Potentiometer from max to min)

Low Level

Rated Power

115mV∼1.19V

@1%THD, 1KHz

High Level

Rated Power

1.15V∼8.45V

Switch Mode  FULL/LPF/HPF

LPF/ FULL/HPF

Delay time of turn on         (m)

5m

Delay time of turn off           (m)

2m

POP noise

(Yes or No)

Turn on

NO

Turn off

NO

Circuit Protection

Temperature   ()

Unit protect temp    80

Protect Time    _1K_HZ

9minutes and

 2_ohm  4*108W

Speaker Short circuit

Yes

Fuse     (A)

2*30A

Max Current @ load     (A)

63A

1KHz 2ohm THD 1%

Efficiency of Power    (%)

62%

1KHz 4ohm THD 1%

Treat method of heatsink appearance

Wired drawing or sandy painting

Wired drawing

Oxidize or painting

Oxidize

PCB type       Single side or double side

Single side

Cooling Method Single side cooling or double side cooling or three side cooling

double side cooling

Power supply or connector

Gold plating or nickel plating

Gold plating

Smash wired terminal or Phillips

Smash wired

AV holder

Gold plating or nickel plating

Gold plating