Pioneer A-40AE Stereo Amplifier


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Optimize your audio system with Pioneer’s new Direct Energy technology 

The newest integrated amplifier from Pioneer is based on the original direct energy concept and convinces in the newly developed direct energy design with a high signal-to-noise ratio and an overwhelming, lifelike sound field. Features such as the isolated power supply, specially developed large capacitors, direct function, power amp direct circuit, volume control and front panel made of aluminum and MM phono input ensure captivatingly clear sound, as desired by the artist.

Isolated power supply

Separate windings for power amplifiers, preamplifiers and regulators in the mains transformer prevent mutual interference.

Exclusive Pioneer electrolytic capacitors

The main capacitor, on which the audio quality of the amplifier depends, was developed in collaboration with ELNA. The Pioneer logo on the capacitor winding indicates that it is a pure audio capacitor.

Direct function

The direct functions of the A-40AE allow the bridging of other circuits, except the volume control. This fine-tuned function improves the musicality, for an optimal listening experience.

“Anti standing wave” decoupling feet

The specially shaped “Anti Standing Wave” decoupling feet without parallel sides serve to avoid resonance. They ensure precise sound localization and pure sound and also contribute



60 W + 60 W (20 Hz-20 kHz, THD 0.5 %, 4 ohms, 2ch Driven) 30 W + 30 W (20 Hz-20 kHz, THD 0.4 %, 8 ohms, 2ch Driven)
Guaranteed Speaker Impedance (2 Speaker Terminals)  4-16 ohms (A or B, Bi-Wiring), 8-32 ohms (A+B)
Frequency Response 10 Hz-100 kHz +1 dB/-3 dB
Signal-to-Noise Ratio (IHF-A) 106 dB (LINE In, SP Out), 81 dB (PHONO In, SP Out) Direct Energy Design/Direct Energy Construction
Clean Ground Construction Isolated Power Supply Circuits
Wolfson 192 kHz/24-bit D/A Converter Custom-Made ELNA Capacitors
Hi-Res Audio Compatible Direct Function
Power Amp Direct Mode Speaker A + B
Tone Control (Bass/Treble) Balance Control
Loudness Aluminium Volume Knob
Aluminium Front Panel
1.6 mm-Thick Rigid Steel Chassis Anti-Standing Wave Insulators
Auto Standby
Power Requirements AC 220-230 V, 50/60 Hz
Power Consumption 150 W
Power Consumption During Standby 0.2 W
Dimensions (w x h x d)
Dimensions (W x H x D) 435 x 129 x 323 mm
Weight 8.2 kg


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