Professional Audio Products Data Sheet
MPE 14 & MPE 28
PROGRAMMABLE EQUALIZERS
Parameter
Specification
Limit
Units
Conditions/Comments
Equalizer: Channels
(2) MPE 14; (1) MPE 28
..........Bands: MPE 14
(14) 2/3 Octave ISO Spacing
40Hz to 16kHz
...................... MPE 28
(28) 1/3 Octave ISO Spacing
31.5Hz to 16kHz
..........Type
Interpolating Constant-Q
..........Accuracy
3
%
Center Frequency
..........Range
+12/-15
1
dB
1 dB Step Size
..........Program Memories
128
Inputs: Type
Active Balanced/Unbalanced
..........Connectors
3-Pin & ¼" TRS
..........Impedance
15k
1%
•
..........Maximum Level
+20
1
dBu
Outputs: Type
Active Balanced/Unbalanced
..........Connectors
3-Pin & ¼" TRS
..........Impedance
200
1%
•
Balanced:100• Each Output
..........Maximum Level
+20
1
dBu
Overall Level Range
±12
2
dB
2 dB Step Size
RFI Filters
Yes
Memory Battery Life
3
50%
Yrs
Ray-O-Vac BR2325, or equal
MIDI Xmit/Rcv Buffer Size
5,000
Bytes
Bypass Switches
Yes
Each Channel Separate
Overload LED Thresholds
+16
1
dBu
Output or any Internal Level
Low Filter
15Hz, 18dB/Oct, Butterworth
3%
Hz
Frequency Response
15-45kHz
+0/-3
dB
THD+Noise
0.008
.001
%
+4dBu, 20-20kHz
IM Distortion (SMPTE)
0.009
.002
%
60Hz/7kHz, 4:1, +4dBu
Signal-to-Noise Ratio
MPE 14/MPE 28 re +20dBu
20kHz Noise BW, Balanced
108/104
2
dB
All Bands Centered, Unity Gain
103/98
2
dB
All Bands Centered, Max Gain
100/95
2
dB
All Bands Full Cut, Unity Gain
Channel Separation (MPE 14)
75
3
dB
40-20kHz
Power Supply Input
18-24VAC w/center-tap
10%
Vrms
Proposed AES RAP Standard
Power Supply Connector
6-pin mod plug
Wired per above
Safety Agency—Unit
..........Classification
Class 2 Equipment
National Electrical Safety Code
..........Design
Safety Extra-Low Voltage
VDE SELV
..........U.L. Listing
U.L. 813 Exempt
Class 2
..........C.S.A. Certification
C22.2 No. 1 Exempt
Class 2
..........CENELEC
IEC 65 Exempt
Harmonization Doc. HD 195.S4
—Remote Power Supply
Class 2 Equipment
..........U.L. Listed
E90493
UL 1012
..........230VAC Export Model
Meets requirements of IEC 950
TUV Approved
EMI/RFI Emission Levels
FCC Part 15 Compliance
Class A Digital Device
Satisfies VDE 0871
Class A Digital Device
Maximum Current
500
m A
RMS Current From Remote Supply
Unit: Construction
All Steel
..........Size
1.75"H x 19"W x 8.5"D (1U)
(4.4cm x 48.3cm x 21.6cm)
..........Weight
6 lb
(2.7 kg)
Shipping: Size
7" x 22" x 13"
(18cm x 56cm x 33cm)
..........Weight
11 lb
(5.0 kg)
Note: 0dBu=0.775Vrms