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Meridian Prime Headphone Amplifier
User Guide
Specifications
Analogue inputs
• 1 x 3.5mm: gain 12dB; 500mV rms in for 2V rms out.
• 1 x phono stereo: gain 3dB; 1 .4V rms in for 2V rms out.
• Analogue inputs overload capability
>40dB.
Digital input
• 1 x USB: asynchronous,
44.
1kHz to 192kHz at up to 24bit,
jitter <90ps p-p.
Outputs
• 1 x phono pre-out: maximum output 3. 1 V rms
@
1 kHz,
THD less than 0 .001%
@
1kHz up to 3V rms,
crosstalk below -70dB
@
1kHz. Output can be disabled.
• 2 x
~"
phone jacks: Maximum output 3V rms off load,
THD below 0.002%, output impedance< 100m0,
power output 250mW up to 420
(see
graph),
short-circuit protected.
300
200
~ 100+---------~r----r~----~~-----
E
90
~
80
.a-
70
6
60
50
40
30
100
Headphone impedance (ohm)
• 1 x 3.5mm phone jack: maximum output 3V rms off load,
THD below 0.002%, output
impedance
2.20,
short-circuit protected.
10
Audio performance
• Output noise (input A)
<
-1 OOdBV CCIR or A weighted.
• Frequency response:
+0/
-1dB DC to
70kHz,
+01
-3dB
DC to 200kHz.
Headphone compatibility
• Suitable for impedances in the range 160 -
1
kO or more.
Suitable for open, closed,
in-,
on- or over-ear models.
• Recommended sensitivity higher than BOdBspl/mW or
96dBspiN.
Controls
• Volume with precise tracking and 70dB range.
• Input switch.
• Analogue Spatial Processing
(0/ i/
ii).
• Power including rear output mute.
Processing
• Analogue out-of-head processor on phone jack outputs
only.
Power
• 12V DC.
• Consumption less than 0 .5W
standby.
• Under 1 W in quiescent.
Weight
• 0.9kg (201bs).
Dimensions
• Width 160mm (6.3in).
• Depth 150mm
(5.9in)
plus connections.
• Height 50mm (2.0in).
EN
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