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10
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 3.1V rms @ 1kHz,
THD less than 0.001% @ 1kHz up to 3V rms,
crosstalk below -70dB @ 1kHz. Output can be disabled.
•
2 x r " phone jacks: Maximum output 3V rms off load,
THD below 0.002%, output impedance < 100mΩ,
power output 250mW up to 42Ω (see graph),
short-circuit protected.
300
200
100
90
80
70
60
50
40
30
20
1k
Headphone impedance (ohm)
•
1x 3.5mm phone jack: maximum output 3V rms off load,
THD below 0.002%, output impedance 2.2Ω,
short-circuit protected.
100
10
Audio performance
•
Output noise (input A) < -100dBV CCIR or A weighted.
•
Frequency response: +0/-1dB DC to 70kHz,
+0/-3dB DC to 200kHz.
Headphone compatibility
•
Suitable for impedances in the range 16Ω – 1kΩ or more.
Suitable for open, closed, in-, on- or over-ear models.
•
Recommended sensitivity higher than 80dBspl/mW or
96dBspl/V.
Controls
•
Volume with precise tracking and 70dB range.
•
Input switch.
•
Analogue Spatial Processing (O/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 1W in quiescent.
Weight
•
0.9kg (20lbs).
Dimensions
•
Width 160mm (6.3in).
•
Depth 150mm (5.9in) plus connections.
•
Height 50mm (2.0in).
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