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 Metrum Adagio Digital Preamplifier 


What more can you do after launching one of the best dacs available today?

Metrum Acoustics were aware that their current flagship Pavane is hard to beat—but at least one idea was not realized yet. The idea of having a decent volume control to prevent a necessary pre-amplifier could improves performance dramatically. However, they also knew that the way of introducing such device in the signal chain could also have a negative effect.


Experiments were made and as result the best sound was coming directly from Metrum's Transient™ modules. Even the digital approach did not convince them but still one idea was not tried yet. Especially in case of R2R ladder dacs it is quite easy to change the output voltage of the dac by changing its reference voltage but to realize this, dedicated dac boards were designed to get the best regulation possible.


Like the Pavane, “forward correction” techniques are used to drive both mono dac boards. The result of this process is an extremely high linearity, right down to -140 dB, which gives the Adagio a realistic 24 bit dynamic range.


The Adagio is a step forwards as it omits a pre-amplifier. It is musical, honors the Non-oversampling principle and simultaneously incorporating the technological progress that has been made over the year.

Metrum Acoustics Adagio

    • Working principle: Non oversampling dac. Forward  corrected, 4 dac modules pro channel in differential mode.  
    • Power: 75 VA via 3 separated torodial transformers 
    • Mains voltage: 110/115V AC 220/230V AC 60/50Hz 
    • Inputs: 1x optical, 2x coaxial (1x BNC and 1x RCA), AES/EBU and USB 
    • Outputs: RCA : 3 Volts RMS max. 0dB output setting, XLR:  6 Volts RMS max. 0dB output setting, RCA : 1 Volt RMS max. -10dB output setting, XLR:  2 Volts RMS max.-10dB output setting.    
    • Frequency response: 1Hz - 20 khz -1dB. 44.1 kHz sampling, 1Hz - 65 kHz -1dB .192 and 384kHz (USB)  
    • Distortion: 0.006 % THD 
    • Noise: -145 dB related to 2 Volt RMS 
    • Output impedance: RCA 100 Ohm. XLR 640 Ohm 0dB output setting, RCA 100 Ohm. XLR 320 Ohm -10dB output setting  
    • Sampling rate: Optical 44.1 - 96 kHz sampling rate, Coax and AES/EBU: 44.1 -192 kHz . USB 44.1 - 384kHz sampling rate  
    • Dimensions: 440 x 320 x 85 mm 
    • Weight: 10 kg
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