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TONEWINNER AD-66D Class A/B Stéréo 2x135W 4 Ohm
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Accessories for this product
Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.
This product has been replaced by the Tonewinner AD-66D PRO.
Tonewinner AD-66D
Amplificateur 2.1 Class A Toshiba TTC5200/TTA1943 2x135W 4Ω
The Tonewinner AD-66D is an efficient and versatile Class A amplifier with a proven technical foundation for musical and detailed sound. Its circuitry uses audiophile-grade components to ensure excellent performance, including low noise and distortion. It also provides a complete set of connectors to meet the vast majority of needs for home audio integration.
A large reserve of energy
The AD-66D's Class A amplifier stage is based on the use of two pairs of high power Toshiba TTA1943/TTC5200 transistors, allowing to develop 2x80W under 8Ω or 2x135W under 4Ω. The amplifier also benefits from a particularly careful architecture, ensuring a low level of distortion, thus revealing a musical and rich sound. Moreover, the AD-66D provides a subwoofer output allowing the addition of a subwoofer within a 2.1 system. The speaker output is equipped with a protection circuit, effectively securing your equipment.
Integrated 24bit 192kHz DAC
With its numerous digital inputs, the Tonewinner AD-66D is of course equipped with a digital / analog conversion section. This one embeds an Analog Devices AD1955 DAC chip, decoding PCM audio streams up to 24bit 192kHz and ensuring an SNR as well as a dynamic range of 120dB.
A complete connectivity
In order to meet the vast majority of needs, the AD-66D offers a full range of connectivity, including input with USB, optical, coaxial, HDMI ARC, a Micro SD port, stereo RCA but also thanks to a Bluetooth 4.2 receiver using an ATS2825 chip. It is thus possible to broadcast and control your music remotely, from a smartphone for example, directly to the amplifier.
| 1 | Speaker output |
| 2 | Mini USB input |
| 3 | Micro SD slot |
| 4 | Bluetooth antenna |
| 5 | Optical Toslink input |
| 6/7/8 | Coaxial inputs |
| 9 | Subwoofer output |
| 10 | RCA pre-out |
| 11 | Amp input |
| 12/13/14 | Stereo RCA inputs |
| 15 | HDMI ARC input |
Precise volume control
The Tonewinner AD-66D is equipped with a highly accurate JRC NJW1194 stereo volume controller. It allows an efficient adjustment of the sound level, ensuring a low level of noise and distortion. The sound level adjustment is done in 0.5dB steps.
A power supply made to measure
The power supply stage of the Tonewinner AD-66D benefits from the same care given to the audio circuits of the unit. It is equipped with a large custom toroidal transformer and capacitors with a capacity of 15000µF to provide a clean electrical signal at all times.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Amplifier |
| Amplification type | Class A |
| Inputs | Bluetooth 1* Mini USB (USB Audio) 1* USB-A (USB Host) 1* Micro SD slot 1* HDMI (ARC) 1* Optical Toslink 3* Coaxial 3* Stereo RCA |
| Outputs | Speaker terminals 1* Subwoofer output (stereo RCA) |
| Output power | 2*135W 4Ω 2*85W RMS 8Ω (THD 1%, 1kHz) |
| Transistors | TTC5200 / TTA1943 |
| DAC | AD-1955 |
| Volume controller | NJW1194 |
| SNR | ≥ 95dB (A-Weighted) |
| Frequency response | 20Hz-80kHz (+1/-3dB) |
| THD | ≤ 0.025% (1kHz) |
| Output impedance | 8Ω |
| Gain | 38dB ±1dB |
| Crosstalk | ≥ 75dB |
| Max voltage gain | > 40dB |
| General | |
|---|---|
| Supply voltage | ~220V AC |
| Dimensions (L*P*H) | 444*436*107mm |
| Weight | 10.6kg |
| Color | Black and silver |
| Package | 1* Tonewinner AD-66D 1* IR Remote control |
| Input | RCA |
| Input | Optical |
| Input | Micro SD |
| Input | USB |
| Input | SPDIF |
| Input | Bluetooth |
| Input | HDMI |
| Output | Speaker terminal |
| Output | Subwoofer |
| Color | Black |
| Color | Silver |
| Channel | 2 (Stereo) |
| Channel | 2.1 |
| Class | Class A / AB |
| Amplifier chip | Transistors |
| Power (W) | 135.0 |
| Remote Control | Yes |
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