Crown Audio 14M, 28M operation manual Specifications

Commercial Audio Series Mixers

4 Specifications

Performance	14M	28M
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	3 mV	3 mV
	800 mV	800 mV
Balanced line inputs
	400 mV	400 mV
RCA connectors
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,	Mic: 400 ohms, Line: 100 kilohms,
	RCA: 50 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	100V 50/60 Hz
	120V 60 Hz	120V 60 Hz
	220V 50/60 Hz	220V 50/60 Hz
	230V 50/60 Hz	230V 50/60 Hz
	240V 50/60 Hz	240V 50/60 Hz
Operating Temperature/Humidity	0o C to 40o C at 95% relative humidity	0o C to 40o C at 95% relative humidity
	(non-condensing)	(non-condensing)
Storage Temperature	–20oC to 85o C	–20oC to 85o C

Construction	14M	28M
Dimensions: Width (with rack ears), Height, Depth (behind mounting surface)	EIA Standard 19”W (EIA RS-310-B) with rack ears	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	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)

Operation Manual page 15