TONEWINNER AD-2500 Power Amplifier Class AB Stereo 2x725W 4 Ohm

TONEWINNER AD-2500 Power Amplifier Stereo Class AB 2x725W 8 Ohm
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With the AD-2500, Tonewinner offers a particularly powerful stereo Class AB power amplifier. This one is indeed able to develop a power of 2x725W under 4Ω while offering a great dynamic range and ensuring a low noise level for a sound reproduction as precise as musical.

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Shipping date: 01-06-2023.

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Tonewinner AD-2500

Power Amplifier Stereo Class AB 2x725W 4 Ohm

Tonewinner AD-2500 Amplificateur de Puissance Stéréo Class AB 2x725W 4 Ohm

With the AD-2500, Tonewinner offers a particularly powerful stereo Class AB power amplifier. This one is indeed able to develop a power of 2x725W under 4Ω while offering a great dynamic range and ensuring a low noise level for a sound reproduction as precise as musical.

A huge reserve of energy

In order to develop such a power, the AD-2500 embeds within a differential circuit no less than 8 pairs of high performance transistors Onsemi NJW0281G and NJW0302G. These are integrated on independent mono amplifier modules, each dedicated to one channel, thus effectively limiting interference for pure sound reproduction. These modules are also installed on the large side-mounted heat sinks, effectively removing the heat generated by the power components.

The unit also provides a single-ended RCA input and a balanced XLR input for each channel. The selection of the input is done via a switch for each channel.

Tonewinner AD-2500 Amplificateur de Puissance Stéréo Class AB 2x725W 4 Ohm
Tonewinner AD-2500 Amplificateur de Puissance Stéréo Class AB 2x725W 4 Ohm

A complete protection system

Such a high power level implies the integration of a complete and efficient protection circuit. Therefore, the Tonewinner AD-2500 is equipped with protections against short-circuits, overloads, overheating, overvoltage and overcurrent.

Tonewinner AD-2500 Amplificateur de Puissance Stéréo Class AB 2x725W 4 Ohm

A massive design

Weighing in at 23.5kg, the Tonewinner AD-2500 is a massive amplifier, clad in an aluminum chassis and two large side heatsinks. Its front panel features an impressive blue backlit vumeter with adjustable brightness.

Tonewinner AD-2500 Amplificateur de Puissance Stéréo Class AB 2x725W 4 Ohm
1Right channel XLR input
2Right channel RCA input
3Left channel XLR input
4Left channel RCA input
5Right channel speaker output
6Power connector
7Left channel speaker output

Technical characteristics

Specifications
Product typePower amplifier
Type d'amplificationClass AB
Number of channelsStereo (2)
InputsRCA
XLR
OutputsSpeaker terminals
Output power2* 560W @ 8Ω
2* 725W @ 4Ω
Rated impedance8Ω
Gain≥ 29dB
SNR≥ 110dB (A-Weighted)
THD+N< 0.0045% @ 100W, 1kHz, 8Ω
Damping factor> 121dB
Input sensitivity2.1V @ Rated power, 8Ω
Frequency response10Hz-50kHz (+1/-3dB)
General
Supply voltage110-240V AC 50/60Hz
Dimensions440*445*197mm
Weight23.5kg
ColorBlack
 
Data sheet
InputXLR
InputRCA
OutputSpeaker terminal
ColorBlack
Channel2 (Stereo)
ClassClass A / AB
Amplifier chipTransistors
Power (W)725.0
 
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TONEWINNER AD-2500 Power Amplifier Class AB Stereo 2x725W 4 Ohm
With the AD-2500, Tonewinner offers a particularly powerful stereo Class AB power amplifier. This one is indeed able to develop a power of 2x725W...

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