Certains d'entre nous ne tarrissent plus d'éloges pour les amplis Aura.
Je me suis donc penché sur la gamme de produits de la défunte marque :
Aura VA40Integrated Amplifier
Specification unknown
Front Panel: Soft black
Aura VA50Integrated Amplifier
Inputs: Phono, CD, Tuner, Line 1, Line 2, Tape
Power Output: 50W RMS Per Channel into 8 Ohms @ 1kHz
Peak Current: Programme related IHF, +/- 11A
Total Harmonic Distortion: <0.05% at rated power, 1kHz
Input Overload: Phono >25dB IHF, Line >25dB IHF
Separation: >60dB at 1kHz
Input Sensitivity: 220mV, 50k Ohms
Front Panel: Chrome or Mirror Black

Aura VA80Integrated Amplifier
Inputs: CD, Tuner, Line 1, Line 2, Line 3, Tape
Power Output: 45W RMS Per Channel into 8 Ohms @ 1kHz
Total Harmonic Distortion: 0.01% at 1kHz (unweighted)
Input Sensitivity: 220mV, 50k Ohms
Signal/Noise Ratio: -95dB (weighted)
Dimensions (WxDxH): 430x310x62 (mm)
Weight: 4.7kg packed
Front Panel: Chrome or Mirror Black
Original Retail Price - £320 (Chrome Front), £280 (Black Mirror)
Aura VA80 SE-XIntegrated Amplifier
Inputs: Phono, CD, Tuner, Line 1, Line 2, Line 3, Tape
Power Output: 45W RMS Per Channel into 8 Ohms @ 1kHz
Total Harmonic Distortion: 0.01% at 1kHz (unweighted)
Input Sensitivity: 220mV, 50k Ohms
Input Overload: Phono >25dB IHF
Signal/Noise Ratio: 76dBA (Phono), -95dB (weighted, lines)
Dimensions (WxDxH): 430x310x62 (mm)
Weight: 4.7kg packed
Front Panel: Chrome or Mirror Black
Original Retail Price - £320 (Chrome Front), £280 (Black Mirror)
Comments : gold plated speaker plugs

Aura VA100 EvolutionIntegrated Amplifier
Inputs: Phono, CD, Tuner, Line 1, Line 2, Tape
Power Output: 50W RMS Per Channel into 8 Ohms @ 1kHz
Peak Current: Programme related IHF, +/- 11A
Total Harmonic Distortion: <0.05% at rated power, 1kHz
Input Overload: Phono >25dB IHF, Line >25dB IHF
Separation: >60dB at 1kHz
Input Sensitivity: 220mV, 50k Ohms
Signal/Noise Ratio (Ref. Rated Power): 76dBA (Phono), 96dB (Aux)
Dimensions (WxDxH): 430x310x62 (mm)
Front Panel: Chrome or Mirror Black
Original Retail Price - £320 (Chrome Front), £280 (Black Mirror)
Aura VA100 mk II EvolutionIntegrated Amplifier
Inputs: Phono,CD, Tuner, Line 1, Line 2, Tape
Power Output: 66W RMS Per Channel into 8 Ohms @ 1kHz
Total Harmonic Distortion: <0.03% (10Hz-20kHz)
Input Sensitivity: 220mV, 50k Ohms
Balance: < +/- 0.5dB
Phono Bandwidth: 15Hz-20kHz (-3dB, RIAA)
Dimensions (WxDxH): 430x310x62 (mm)
Weight: 4.7kg packed
Front Panel: Chrome or Mirror Black
Original Retail Price - £400 (Chrome Front), £350 (Black Mirror)

Aura VA150Integrated Amplifier
Inputs: Phono,CD, Tuner, Line 1, Line 2, Tape
Power Output: 100W RMS Per Channel into 8 Ohms @ 1kHz
Total Harmonic Distortion: <0.01% (1kHz)
Input Sensitivity: 220mV, 50k Ohms
Balance: < +/- 0.5dB
Phono Bandwidth: 15Hz-20kHz (-3dB, RIAA)
Dimensions (WxDxH): 430x340x75 (mm)
Weight: 9kg packed
Front Panel: Chrome or Mirror Black
Original Retail Price - £850 (Chrome Front), £800 (Black Mirror)
Comments - Gold links combine Pre and Power stages, has Power Out to Bi-Amp with PA100 or act as a pre-amp.
Service Manual du Aura VA 150, Mis à disposition par philoucmoi :
http://teloniourf.free.fr/AuraVA150.pdf
Aura CA200Pre Amplifier
Inputs: Phono/Line1, Line 2 - Line 8, Tape 1, Tape 2
Outputs: Unbalanced (two sets), True balanced XLR
Total Harmonic Distortion: <0.001% (ref 0dB, 1kHz)
Balance: < +/- 0.5dB
Phono Bandwidth: 15Hz-20kHz (-3dB, RIAA)
Dimensions (WxDxH): 430x340x62 (mm)
Weight: 5kg packed
Front Panel: Chrome or Mirror Black
Original Retail Price - £750 (Chrome Front), £700 (Black Mirror)
Comments - Dual Pure 'Class A' design (Pre-amplifier and headphone sections). The Remote Control was designed by Kenneth Grange (Designer of the B&W Matrix series).
HiFiWord March 97 : A smooth and sweet sound devoid of roughness.

Aura PA100Power Amplifier
Inputs: Unbalanced
Input Sensitivity: 1V RMS per channel
Power Output: 100W RMS per channel into 8 Ohms @ 1kHz, 250W RMS Bridged
Total Harmonic Distortion: <0.01% @ 1kHz
Balance: < +/- 0.5dB
Weight: 9kg packed
Original Retail Price - £750 (Chrome Front), £700 (Black Mirror)
Comments - Uses same Power transistors as the Integrated Amplifiers but six per channel. Circuit Layout is essentially the same as the VA150.
HifiWord March 97 : A smooth, sweet powerful sound free from the rough brightness that afflicts many solid-states.

Aura PA200Power Amplifier
Inputs: Unbalanced, True balanced XLR
Input Sensitivity: 1V RMS, unbalanced 20k Ohms
Power Output: 110W RMS per channel into 8 Ohms @ 1kHz (250W RMS Bridged)
Total Harmonic Distortion: <0.003% (1kHz)
Residual Output Noise: < -102 dB (unweighted, ref 100W)
Dimensions (WxDxH): 430x340x105 (mm)
Weight: 15kg packed
Front Panel: Chrome or Mirror Black
Original Retail Price - £1250 (Chrome Front), £1200 (Black Mirror)
Comments - Features a completely different design compared to the other amplifiers, the top of the amplifer is actually a heatsink and the circle section is the massive potted torroid transformer.

Aura TU80Tuner
Antenna Input Impedance: 75 Ohms (FM) / 300 Ohms (AM)
Audio Output: 600mV RMS
Ultimate S/N Ratio: >60 dB (100% mod)
Stereo Separation: >39 dB
Audio Bandwidth: 10Hz - 15kHz +/- 0.5dB
Dimensions (WxDxH): 430 x 295 x 62 (mm)
Weight: 4.0kg Packed
Front Panel: Chrome or Mirror Black
Original Retail Price - £400 (Chrome Front), £350 (Black Mirror)

Aura CD50CD Player
Transport: CDM 9
Signal To Noise: 98.2dB
D/A Conversion: Philips SAA7321 Bit Stream DAC with Burr Brown OpAmps
Digital Output: Coaxial
Total Harmonic Distortion: -95.1dB @ 0dB, 1kHz
Front Panel: Chrome or Mirror Black
Comments - Aura has devised its own in-house servo board and modifications for the analogue output stage. The technical fingerprint of the player is little different from any other Philips 600 series derivation however.


Aura CD100CD Player
Transport: CDM 12.4 (Triple Beam Mechanism)
D/A Conversion: Continuous Calibration Multibit/Bitstream
Analogue Output: 2.0v RMS @ 0dB
Digital Output: 75 Ohms Coaxial
Total Harmonic Distortion: -85dB @ 0dB, 1kHz
Frequency Response: 20Hz-20kHz +/- 0.2dB (ref. 0dB, 1kHz)
Dimensions (WxDxH): 430x280x62 (mm)
Weight: 4.4kg packed
Front Panel: Chrome or Mirror Black
Original Retail Price - £400 (Chrome Front), £350 (Black Mirror)


Avis aux amateurs ;)
Dernière édition par
MC_911 le 02 Fév 2011 à 18:21, édité 1 fois.