型号 Model

DSP-2400

Characteristic specification：

Input                         

2 way electronic balance.

Impedance                     

>10k ohms.

CMRR                             

>65dB，50Hz - 10kHz.

Output                         

4 way electronic balance

Output impedance                

<60 ohms

The minimum loading impedance   

600 ohms

The maximum output level         

+20dBm（600 ohms loading）

Frequency reponse                

±0.5dB 20Hz - 20kHz.

Dynamic range                   

>110dB 20Hz -20kHz

Distortion                       

< 0.02% @ 1kHz，+18dBm.

The maximum delay               

650 mS. (adjustable step distance is 2.6uS)

Output gain                      

Setting range:-40dB~+15dB,Step pitch: ±0.1dB   

Input gain                        

Setting range:-40dB~+6dB,Step pitch: ±0.1dB

Parameter equalizer:

Filter                            

6 bands/each output, 8 bands/each input

Filter gain                        

+15dB to -30dB, the step distance is 0.1dB

Central frequency                  

20Hz - 20kHz, the adjustable step distance is 1/36  octave.(368 positons)

Filter                            

Q value/band width 0.4 to 28.8 / 3 to 0.05

Switch to high, low pass frequency

Low frequency transition frequency    

20Hz - 1kHz

high frequency transition frequency    

1kHz - 20kHz

Gain                             

±15dB, adjustable step distance is 0.1dB

High pass and low pass filter:

Filter                          

each output with one filter

Transition frequency (high pass) 

10Hz - 16kHz,adjustable step distance is 1/36 octave

Transition frequency (low pass)

60Hz - 22kHz,adjustable step distance is 1/36 octave

Selectable filter type:      

Lin-Ril、Bessel、ButterW

Limiter:

Threshold range                  

+20dBu to -10dBu

Start-up time                     

0.3 to 90ms

Release time                     

start-up time 4, 8, 16 or 32 times