Graham Slee Novo Headphone Amplifier

Graham Slee Novo Headphone Amplifier


Because the budget Novo headphone amplifier has a delightfully lively sound What Hi-Fi? Sound & Vision gave it a best headphone amplifier award three years in a row – this is a hi-fi amplifier for headphones!

Availability: 1 in stock


Discrete? Surely we meant to say discreet?

The Novo is both: it’s discreetly small – a definite miniature in a world full of behemoths; and it’s discrete because that’s the circuitry it uses – discrete transistors.

Discrete transistors? Yes, you heard right! Most budget headphone amplifiers let an op-amp do all the work. We wanted to show that we’re capable of more than that.

The result is a very capable headphone amplifier, so capable that headphone manufacturer Shure bought some and Sennheiser featured it in a promotional video driving its flagship headphone.

You may never have heard of the Novo headphone amplifier before today, but now you have. It’s definitely worth your consideration if you’re after a budget headphone amp – a hi-fi amp for headphones!

Item Measurement
Headphone impedance range 16 to 600 Ohms preferred; 8 to 2,000 Ohms acceptable
Power output (rms, both channels fully driven) 32 Ohms: 27mW/channel; 600 Ohms: 23mW/channel
Distortion (THD plus noise, ref 1kHz) 0.02%
Frequency response (-3dB) 32 Ohms load: 27Hz – 35kHz; 600 Ohms load: 10Hz – 39kHz
Output noise (20Hz-20kHz, CCIR quasi-peak) -84dB
Input sensitivity (for specified power output) 32 Ohms: 250mV rms; 600 Ohms: 775mV rms
Channel balance better than 1dB, “9 to 3 o’clock” positions
Crosstalk Left to Right -57dB; Input to Input -68dB
Mute Signal off mute, non-shorting
Output Stage Bipolar class AB
Supply voltage 24V DC
Size (approx.) W: 107 x H: 50 x D: 125 (mm) inc. controls

Additional information

Weight 3 kg
Dimensions 30 × 20 × 10 cm

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