Prism Media Products Limited
Operation Manual
MASELEC MASTER SERIES
MEA-2 Precision Stereo Equalizer
Issue 1.2
© Prism Media Products Limited
17 January 2000
Page 13 of 20
6.3.
Performance specification
Specifications quoted in this section are to AES17-1991 (ANSI S4.51-1991) [Ref. 1], with
input level set to +22dBu except where stated. For ‘EQ in’ measurements, the CH1/CH2
‘In’ buttons are illuminated and other settings are : LF1 - Shelf, LF2 - Bell, slope 9, HF1
Bell, slope 9, HF2 Shelf. Gain for each section is set to 0dB.
Maximum input amplitude :
+28dBu
Output noise :
EQ out < -97dBu
EQ in < -89dBu
Frequency response :
+ 0.1, -0.4dB, <1Hz to > 50 kHz
Crosstalk :
less than -100 dB, 20 Hz to 20 kHz
Un-driven input terminated 150R
Harmonic distortion and noise, EQ in :
<-105dB (<0.0006%), 997 Hz
Dynamic range :
(Measured at -32dBu)
EQ out
> 125dB
EQ in
> 117dB
6.4.
Servicing and repair
There are no user serviceable parts inside this unit. Repairs should only be undertaken
by qualified electronics technicians or engineers.
6.5.
Mains transformer voltage selection
The mains transformer has a tapped primary to allow operation at nominal voltages of
120V or 240V. A rear-panel slide switch selects the mains voltage range. Ensure that
the correct voltage range is selected before using the MEA-2.
6.5.1.
Mains voltage range :
90-130V (nominally 120V) or 180-260V
(nominally 240V) operation. The selected
supply voltage range is indicated on the rear
panel slide switch.
6.5.2.
Power consumption :
15W max.
