Crown Audio ADDENDUM 28M 用户手册

 

Number of input channels

4

8

Number of output channels

1

2

Input Sensitivity (volts RMS) for full output at maximum gain

   Balanced mic inputs
   Balanced line inputs
   RCA connectors

                         

3 mV

800 mV
400 mV

                        

 3 mV

800 mV
400 mV

Frequency Response (at line out, 20 Hz to 20 kHz)

± 1 dB

± 1 dB

Signal to Noise Ratio (master volume at minimum)

100 dB

100 dB

Total Harmonic Distortion (THD) with 800 mV balanced input, 1V output

 0.05% typical

 0.05% typical

Input Impedance (nominal)

Mic: 400 ohms, Line: 100 kilohms, 

RCA: 50 kilohms

Mic: 400 ohms, Line: 100 kilohms, 

RCA: 50 kilohms

Crosstalk (all controls at “10”)

–70 dB at 1 kHz

–70 dB at 1 kHz

Line Output Level (nominal)

1.2V into 10 kilohms

1.2V into 10 kilohms

Phantom Power

15 VDC 

15 VDC

AC Line Voltages Available

100V  50/60 Hz

120V  60 Hz

220V  50/60 Hz
230V  50/60 Hz
240V  50/60 Hz

100V  50/60 Hz

120V  60 Hz

220V  50/60 Hz
230V  50/60 Hz
240V  50/60 Hz

Operating Temperature/Humidity

0

o 

C to 40

o 

C at 95% relative humidity

 (non-condensing)

0

o 

C to 40

o 

C at 95% relative humidity

 (non-condensing)

Storage Temperature

–20

o

 C to 85

o

 C

–20

o

 C to 85

o

 C

Dimensions: Width (with rack ears), Height, Depth (behind mounting surface)

EIA Standard 19”W (EIA RS-310-B) with rack ears

x 1.7” (4.3 cm) H x 10.7” (27.18 cm) D

EIA Standard 19”W (EIA RS-310-B) with rack ears

x 1.7” (4.3 cm) H x 10.7” (27.18 cm) D

Net Weight, Shipping Weight 

8.7 lb (3.9 kg), 14 lb (6.4 kg)

8.7 lb  (3.9 kg), 14 lb (6.4 kg)