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  • Proprius 25W/45W Mono Block Power Amplifier
  • Proprius 25W/45W Mono Block Power Amplifier
  • Proprius 25W/45W Mono Block Power Amplifier

Proprius 25W/45W Mono Block Power Amplifier

$1,349.00

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7 Great Reasons To Choose The Proprius

Sound

The Proprius has all the sonic hallmarks you expect from Graham Slee...

Listening is riveting, involving and fatigue-free. Using two for stereo, imaging is spatially focused and "walk-through" - transcending the speakers, but importantly, the music remains cohesive.

Power

You may think a 25 watt amplifier is too frail, but the Proprius is anything but!

Each output transistor can handle 25 amp peaks and 200 watts, and at 30MHz their high frequency performance is ten times higher than regular output transistors.

Footprint

Finding space for all your hi-fi gear can be tricky, but at just 10.5cm (4.1") x 6cm (2.4") x 20cm (7.9") you'll easily find the space for a pair!

Specifications:

Power output (rms) measured 26 Watts into 8 Ohms; 45.5 Watts into 4 Ohms (ref 1% THD+N at 1kHz)
Power bandwidth at rated power into 8 Ohms 10Hz - 47kHz (-3dB), 20Hz - 25kHz (-1dB)
Power bandwidth at rated power into 4 Ohms 12Hz - 40kHz (-3dB)
Total harmonic distortion and noise at 8 Ohms 100Hz: 0.043%; 1kHz: 0.047%; 5kHz: 0.061%; 10kHz: 0.085%; 20kHz: 0.125%
Total harmonic distortion and noise at 4 Ohms 100Hz: 0.066%; 1kHz: 0.071%; 5kHz: 0.094%; 10kHz: 0.129%; 20kHz: 0.181%
Signal to noise ratio in dB "A-weighted": 87dB; 22Hz-22kHz "Q-pk": 80dB
Bias type Class Ab; Bias current: 60mA (approx.)
Input sensitivity for rated output 575mV rms
Short circuit protection Fuse and power supply shut-down (short circuits should be avoided to prevent component stresses)
Fuse F2A 5mm x 20mm (glass "quick-blow" fuse rated at 2A)
Power supply 48V DC, 120 Watt - self adjusting to AC mains 100V - 240V, 47 - 63 Hz; IEC cord supplied
Size (approx.) Amp W105 x H55 x D205 mm; Power supply W65 H40 D170 mm

Proprius 25W/45W Mono Block Power Amplifier

7 Great Reasons To Choose The Proprius

Sound

The Proprius has all the sonic hallmarks you expect from Graham Slee...

Listening is riveting, involving and fatigue-free. Using two for stereo, imaging is spatially focused and "walk-through" - transcending the speakers, but importantly, the music remains cohesive.

Power

You may think a 25 watt amplifier is too frail, but the Proprius is anything but!

Each output transistor can handle 25 amp peaks and 200 watts, and at 30MHz their high frequency performance is ten times higher than regular output transistors.

Footprint

Finding space for all your hi-fi gear can be tricky, but at just 10.5cm (4.1") x 6cm (2.4") x 20cm (7.9") you'll easily find the space for a pair!

Specifications:

Power output (rms) measured 26 Watts into 8 Ohms; 45.5 Watts into 4 Ohms (ref 1% THD+N at 1kHz)
Power bandwidth at rated power into 8 Ohms 10Hz - 47kHz (-3dB), 20Hz - 25kHz (-1dB)
Power bandwidth at rated power into 4 Ohms 12Hz - 40kHz (-3dB)
Total harmonic distortion and noise at 8 Ohms 100Hz: 0.043%; 1kHz: 0.047%; 5kHz: 0.061%; 10kHz: 0.085%; 20kHz: 0.125%
Total harmonic distortion and noise at 4 Ohms 100Hz: 0.066%; 1kHz: 0.071%; 5kHz: 0.094%; 10kHz: 0.129%; 20kHz: 0.181%
Signal to noise ratio in dB "A-weighted": 87dB; 22Hz-22kHz "Q-pk": 80dB
Bias type Class Ab; Bias current: 60mA (approx.)
Input sensitivity for rated output 575mV rms
Short circuit protection Fuse and power supply shut-down (short circuits should be avoided to prevent component stresses)
Fuse F2A 5mm x 20mm (glass "quick-blow" fuse rated at 2A)
Power supply 48V DC, 120 Watt - self adjusting to AC mains 100V - 240V, 47 - 63 Hz; IEC cord supplied
Size (approx.) Amp W105 x H55 x D205 mm; Power supply W65 H40 D170 mm

$1,349.00 In Stock

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