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In stock: 1
Stello Ai700

Retail Price: $6,500.00

Your Price: $5,000.00 5000 InStock
You Save: $1,500.00 (23%)

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April Music - Stello Ai700 Integrated Amplifier

April Music - Stello Ai700 Integrated Amp + DAC
April Music - Stello Ai700 Integrated Amp + DAC April Music - Stello Ai700 Integrated Amplifier April Music - Stello Ai700 Integrated Amplifier April Music - Stello Ai700 Integrated Amplifier April Music - Stello Ai700 Integrated Amplifier April Music - Stello Ai700 Integrated Amplifier

April Music - Stello Ai700 Integrated Amplifier

This Stello Ai700 features cool contemporary modern styling, extensive connectivity, and advanced performance. The Stello Ai 700 will bring storied April Music technology to an entirely new population of music fans - those who seek the ultimate blend of high style, reliability, technical excellence, and extreme musicality.

The Ai700 combines state-of-the-art analog and digital circuitry with features sure to please the most demanding music lovers. With power output reaching 300 Watts/channel @ 4 Ohms, the Ai700 is compatible with virtually all loudspeakers. The Ai700 features an oversize power supply, a Cirrus logic CS3310 digital volume control for precise sound level adjustment, four pairs of analog line inputs, a "bypass" pair of inputs for direct feed of the output stage, and digital inputs for every source: disc player, PC, iPod, and cable TV receiver.

Unique contemporary styling takes the Ai700 into the realm of functional art. A full-function remote control makes it a joy to use from anywhere in the room!

Precaution: The Ai700 runs warm because the output transistors' working point is set for better sound performance. This may cause some heat when this unit is run for a long time. This won't affect the life of this unit, but it's best to place the Ai700 on an open shelf where it has plenty of ventilation. Closed cabinets are not good.


Preamplifier section:

The Ai700's solid-state circuitry includes high-speed, low-noise transistors, and direct coupling throughout. Meticulous ground isolation techniques insure superb signal-to-noise ratio. Much care has been taken in the selection of components and the layout of circuitry for low noise, fast response time, and linear frequency response. We are confident that the Ai700 is among the very best preamplifiers on the market, at any price. Small-signal capacitors, where needed, are all 1% tolerance Wima brand resistors.

Power amplifier:

Stello Ai700's output stage employs matched Hitachi MOSFET power transistors in Class AB push-pull configuration. Class AB offers the best trade-off between high performance and high efficiency. Input circuitry, gain stage, drive stage and bias net are April Music's unique proprietary circuitry, with optimum signal transfer and minimum phase shift.

D/A Converter:

Digital signals received via COAX and OPTIC inputs are processed by the digital input receiving circuit. Likewise, the USB signal from a PC enters the USB DAC through the digital input receiving circuit.

Power supply:

Separate power supplies deliver super-stable DC voltages to the preamplifier and DAC circuits. The power amp's supply has tremendous current reserves for lifelike dynamics. With an overlarge 800VA toroidal transformer, fast-recovery rectifiers, and an enormous capacitor bank (90,000uF), the Ai700 will never "run out of breath" even with the most demanding music and the most difficult loudspeaker loads.


Ai700 features Neutrik balanced connectors, gold-plated RCA jacks, and gold-plated speaker terminal binding posts.


Output Power
        Stereo: 500W/Ch at 8 Ohms

Frequency Range

        0.003% at 1W

Dynamic range

Damping Factor

Input Impedance
        Unbalance 100 KOhms
        Balance 1 MOhms

Analog Inputs
        Unbalanced 3 X RCA
        Balanced 1 X XLR
        Unbalance Bypass 1 X RCA
        Balance Bypass 1 X XLR

Analog Inputs
        Speaker 1 X Banana/Spade Plug
        PREOUT 1 X RCA

Front Display
        14 Segment Alphanumeric Red LED

Front Panel
        Power on/off Push Button Switch
        Power LED
        B1, B2, U1, U2, U3, BYPASS, MUTE, Rotary Volume Encoder

AC Power Requirement
        100/117/220(230)/240V, 50 or 60 Hz

        432 x 88 x 396 (WHD) mm

       10.5kg (NET)

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