Atoll AM100 Signature
Écofrais inclus / Eco-fee included : 3,75 $ / $3.75
- Estimated delivery: Nov 15 - Nov 19
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Free shipping for all purchase over 199.00$
The Atoll AM100 Signature is a French-made stereo power amplifier designed for music enthusiasts looking to build or upgrade a dedicated high-fidelity audio system. Delivering 100 watts per channel into 8 ohms and 140 watts into 4 ohms, it provides dedicated power amplification for compatible passive loudspeakers.
Featuring Class A/B MOS-FET output stages, two 340 VA toroidal transformers and discrete-component audio circuitry, the AM100 Signature combines a substantial power supply with flexible system integration. It can operate as a conventional stereo power amplifier, support bi-amplification configurations or be bridged into mono mode.
Core Strengths
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100 Watts per Channel: Delivers 100 watts RMS per channel into 8 ohms and 140 watts per channel into 4 ohms, providing amplification for a range of compatible bookshelf and floorstanding loudspeakers.
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Dual Toroidal Power Supply: Two 340 VA toroidal transformers provide power to the amplifier circuitry. A total capacitor capacity of 32,247 µF supports the power supply design.
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Class A/B MOS-FET Amplification: Discrete-component audio stages and MOS-FET output transistors form the foundation of the amplifier's Class A/B architecture.
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Stereo and Bridged Mono Operation: The AM100 Signature can operate as a two-channel stereo amplifier or be configured as a mono power amplifier using an internal switch. Two units can be used in compatible mono amplification systems.
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Bi-Amplification Capability: RCA line outputs facilitate connection to additional compatible amplification equipment, making the AM100 Signature suitable for certain bi-amplification configurations.
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12V Trigger Input: Allows compatible preamplifiers or control components to switch the amplifier on automatically.
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French Design and Construction: Manufactured in France, the AM100 Signature features a 4 mm brushed aluminium front panel and is available in black or silver finishes.
Who Is the Atoll AM100 Signature Best Suited For?
The AM100 Signature is designed for listeners who want a separate power amplifier rather than an integrated amplifier.
It is particularly suitable for systems using a compatible external preamplifier, such as the Atoll PR200 Signature, and passive loudspeakers requiring dedicated amplification.
Its stereo, bridged mono and bi-amplification capabilities also provide flexibility for future system upgrades.
Important: The AM100 Signature is a power amplifier, not an integrated amplifier or an all-in-one music system. It requires a compatible preamplifier or another source component with suitable volume control.
| Feature | Specification |
| Output Power (Stereo) | 100 W RMS per channel @ 8Ω / 140 W RMS @ 4Ω |
| Output Power (Mono / Bridged) | 150 W RMS @ 8Ω / 165 W RMS @ 4Ω |
| Pulse Power | 180 W / channel |
| Power Supply | Dual Toroidal Transformers (2 × 340 VA = 680 VA total) |
| Total Capacitance | 32,247 µF filter array |
| Transistor Type | MOS-FET output transistors (Class A/B) |
| Frequency Response | 5 Hz – 100 kHz (Bandwidth up to 200 kHz) |
| Rise Time / S/N Ratio | 1.3 µs / 100 dBA |
| Dimensions & Weight | 440 × 291 × 95 mm; 11 kg (~24.2 lbs) |