MUSICAL FIDELITY MX-HPA AMPLIFICATORE PER CUFFIE SIGILLATO GARANZIA UFFICIALE Musical Fidelity

 
MX-HPA – Overview
The incredible studio reference MX HPA fully balanced headphone amp has been a labour of love for everybody at Musical Fidelity. As some of you may have noticed we have been making headphones for some time and have always been great headphone fans. Although the M1 HPA is very good we wanted to make something which was incredible.
The MX HPA fully balanced headphone amp is the result of decades of experience of making high quality headphone amplifiers. Relatively, the MX HPA has about the same performance into headphones as the incredible Titan has into loudspeakers. That is; awe inspiring, incredible, limitless and any other hyperbole you can imagine. It is really incredible.
Reviews
Read the full Hi-Fi News Review of the MX-HPA.
Read the full Revistaonoff Review of the MX-HPA (Spanish)
MX-HPA – Design and Build
The MX HPA’s technical performance is stunning.  Typically distortion from 20 Hz to 40 kHz is less than 0.005%.  This is serious stuff.  Signal noise ratio is better than 120dB (‘A’ weighted).  Needless to say frequency response is ruler flat from 10 Hz to 20 kHz (-0.1dB). 
It is capable of a short term peak of 10 watts (for one cycle).  It has 2 gain positions; 18dB (8X) and 24dB (15X).  Inputs are either balanced or single ended.  It willautomatically convert single ended inputs to balanced. The MX HPA is genuinely fully balanced from beginning to end.
MX-HPA – Specifications
Output

Power 1.8 Watts per channel into 8 Ohms (27dBW)

Maximum output voltage 19 Volts RMS, 20Hz to 20 kHz

Onset of clipping (54 Volts peak-to-peak) balanced

Line input

THD+N >0.005% typical, 20Hz to 20 kHz

Signal / noise ratio >120dB ‘A’-weighted

Input impedance 50k Ohms

Frequency response +0, –0.1dB, 10Hz to 20 kHz

Gain, LO position (volume max) 18db (8x)

Gain, HI position (volume max) 24dB (15x)

Connections
Line level inputs

1 pair line level XLR (balanced) connectors

1 pairs line level RCA connectors

Headphone outputs

1 pair 3-pin XLR/¼” stereo Jack combined sockets

Power requirement

Mains voltages 90-250VAC 50-60Hz universal worldwide supply

Consumption >0.25 Watts standby (Orange LED lit)

15 Watts maximum (Blue LED lit, full power output)

Weight

Unit only, unboxed 2.2 kg (5 lbs) In shipping carton 3.7 kg (8¼ lbs)

Dimensions

Width 220 mm (8⅔”)

Height (including feet) 53 mm (2”)

Depth (front to back) inc. terminals 240 mm (9½”)

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