Audison AF M1D Amplifier

--> <div class="wpb-content-wrapper"><div class="vc_row wpb_row vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <h3 class="product_title entry-title"><span style="color: #3366ff;">Audison </span>AF M1D Amplifier</h3> <p>AF D companion amplifiers are designed to add powerful amplifier channels to AF bit amplifiers. A plug-and-play Input harness is included to make the connection to AF bit amplifiers straightforward. AF D amplifiers are also perfect for use with systems controlled and managed by a standalone bit processor, such as a bit One HD Virtuoso. AF M1D boasts one high-fidelity amplified channel 600W @4Ω*, 1000W @2Ω*, and 1200W @1Ω* with the audiophile sound of the latest generation Audison D-Class technology.</p> <p>Higher switching frequencies, steeper filtering, and higher-tolerance components deliver sound above and beyond the expectation of Class D – in an amazingly compact package! AF M1D is the only one in the AF D family that can be used also in standalone mode, thanks to a set of manual controls:</p> <p>– adjustable (and defeatable) low-pass 4th-order crossover filter</p> <p>– 0-180° polarity/phase switch</p> <p>– 45 Hz Bass Boost adjustment</p> <p>Combine these functions with the ART DC turn-on from high-level Inputs, the USS speaker-input loading, and the optional VCR-S2 level knob, and this amp can be used to add subwoofers even in systems which lack an Audison AF bit amplifier!</p> <p>*Output Continuous Power (RMS) @14.4 VDC, 1% THD, All channels driven</p> </div> </div> <div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/05/AUDISON_AF-M1D_PANNELLO_2023_02_203-111.webp" width="2500" height="1000" alt="AUDISON_AF-M1D_PANNELLO_2023_02_203-111" title="AUDISON_AF-M1D_PANNELLO_2023_02_203-111" loading="lazy" /></div> </figure> </div> <div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row wpb_row vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row wpb_row vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_tta-container" data-vc-action="collapseAll"><div class="vc_general vc_tta vc_tta-accordion vc_tta-color-sky vc_tta-style-classic vc_tta-shape-rounded vc_tta-spacing-1 vc_tta-controls-align-center vc_tta-o-all-clickable"><div class="vc_tta-panels-container"><div class="vc_tta-panels"><div class="vc_tta-panel" id="1731678339268-3908876b-3c97" data-vc-content=".vc_tta-panel-body"><div class="vc_tta-panel-heading"><h4 class="vc_tta-panel-title"><a href="#1731678339268-3908876b-3c97" data-vc-accordion data-vc-container=".vc_tta-container"><span class="vc_tta-title-text">AMPLIFIER TECH DATA</span></a></h4></div><div class="vc_tta-panel-body"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <table class="table caption-top"> <tbody> <tr> <td>Channels</td> <td>1</td> </tr> <tr> <td>Class</td> <td>D-Class</td> </tr> <tr> <td>Hi Level Input</td> <td>Yes</td> </tr> <tr> <td>Low Level Input</td> <td>Yes</td> </tr> <tr> <td>Digital Input</td> <td>No</td> </tr> <tr> <td>Power supply voltage / fuse</td> <td>11 ÷ 15 VDC</td> </tr> <tr> <td>Operating power supply voltage</td> <td>6.5 ÷ 17.5 VDC</td> </tr> <tr> <td>Idling current</td> <td>1.3 A</td> </tr> <tr> <td>Idling current when off</td> <td>0.005 mA</td> </tr> <tr> <td>Consumption @ 14.4 VDC, 1Ω, Max Musical Power</td> <td>65 A</td> </tr> <tr> <td>Remote OUT</td> <td>6.5 ÷15 VDC (150 mA)</td> </tr> <tr> <td>Remote IN</td> <td>4 ÷15 VDC (1 mA)</td> </tr> <tr> <td>ART – Automatic Remote Turn on/off from OUTPUT BTL speakers (Selectable)</td> <td>1.5 VDC</td> </tr> </tbody> </table> </div> </div> </div></div><div class="vc_tta-panel" id="1731678339280-69f54a1e-1809" data-vc-content=".vc_tta-panel-body"><div class="vc_tta-panel-heading"><h4 class="vc_tta-panel-title"><a href="#1731678339280-69f54a1e-1809" data-vc-accordion data-vc-container=".vc_tta-container"><span class="vc_tta-title-text">AMPLIFIER STAGE</span></a></h4></div><div class="vc_tta-panel-body"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <table class="table caption-top"> <tbody> <tr> <td>Distortion – THD @ 100 Hz, 4Ω, 70% Rated Power</td> <td>0.03%</td> </tr> <tr> <td>Bandwidth A</td> <td>(-3 dB, 2 VRMS, 4 Ω): 10 Hz ÷ 500 Hz</td> </tr> <tr> <td>S/N ratio A</td> <td>(A weighted @ 1 V): 105 dBA</td> </tr> <tr> <td>Damping factor A</td> <td>(100 Hz, 4Ω, 2 VRMS): 125</td> </tr> <tr> <td>Input sensitivity Pre-In</td> <td>0.6 ÷ 6 VRMS</td> </tr> <tr> <td>Input sensitivity Speaker-In</td> <td>2.2 ÷ 22 VRMS</td> </tr> <tr> <td>Total Power RMS</td> <td>1000 W</td> </tr> <tr> <td>Minimum load impedance</td> <td>1 Ω</td> </tr> <tr> <td>Output Power (RMS) @14.4 VDC, 1% THD</td> <td>1Ch @ 4Ω: 600 W</p> <p>1Ch @ 2Ω: 1000 W</p> <p>1Ch @ 1Ω: 1200 W</td> </tr> <tr> <td>Adjustable Crossover</td> <td>Yes</td> </tr> </tbody> </table> </div> </div> </div></div><div class="vc_tta-panel" id="1731678446080-6fc22c80-5ea1" data-vc-content=".vc_tta-panel-body"><div class="vc_tta-panel-heading"><h4 class="vc_tta-panel-title"><a href="#1731678446080-6fc22c80-5ea1" data-vc-accordion data-vc-container=".vc_tta-container"><span class="vc_tta-title-text">CEA SPECIFICATIONS</span></a></h4></div><div class="vc_tta-panel-body"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <table class="table caption-top"> <tbody> <tr> <td>Output power @ 4Ω, 1% THD N, 14.4 V</td> <td>600 W</td> </tr> <tr> <td>SN ratio (ref. 1W output)</td> <td>81 dBA</td> </tr> </tbody> </table> </div> </div> </div></div><div class="vc_tta-panel" id="1732808932985-725eb310-777f" data-vc-content=".vc_tta-panel-body"><div class="vc_tta-panel-heading"><h4 class="vc_tta-panel-title"><a href="#1732808932985-725eb310-777f" data-vc-accordion data-vc-container=".vc_tta-container"><span class="vc_tta-title-text">INPUTS</span></a></h4></div><div class="vc_tta-panel-body"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <table class="table caption-top"> <tbody> <tr> <td>Input Type</td> <td>Pre-In / Speaker-In</td> </tr> <tr> <td>Filter Pass A</td> <td>Full / Low-Pass 50 ÷ 150 Hz @ 24 dB/Oct.</td> </tr> <tr> <td>Inputs/Outputs Phase</td> <td>(0 ÷ 180 ) deg</td> </tr> <tr> <td>Inputs/Outputs Bass Boost</td> <td>45Hz (adjustable) – (0 ÷ 6) dB</td> </tr> <tr> <td>Remote Sub Volume</td> <td>±12 dB</td> </tr> </tbody> </table> </div> </div> </div></div><div class="vc_tta-panel" id="1733935014635-4f553b31-afc8" data-vc-content=".vc_tta-panel-body"><div class="vc_tta-panel-heading"><h4 class="vc_tta-panel-title"><a href="#1733935014635-4f553b31-afc8" data-vc-accordion data-vc-container=".vc_tta-container"><span class="vc_tta-title-text">DIMENSIONS</span></a></h4></div><div class="vc_tta-panel-body"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <div class="col-lg-12 col-12 audi--column-info"> <div class="table-responsive-sm"> <p><a class="float-start mb-5 hz-image-dimensions" href="https://static.audison.com/media/2023/11/Adison_AFM1D_dim.png" data-fancybox="product_image_dimensions"><img loading="lazy" decoding="async" class="mw-30" src="https://static.audison.com/media/2023/11/Adison_AFM1D_dim.png" alt="AF M1D" width="746" height="639" /></a></p> <table class="table caption-top"> <tbody> <tr class="hz--dimensions-has-image"> <td>Dimension A</td> <td>240 mm</td> </tr> <tr class="hz--dimensions-has-image"> <td>Dimension B</td> <td>47 mm</td> </tr> <tr class="hz--dimensions-has-image"> <td>Dimension C</td> <td>156 mm</td> </tr> <tr class="hz--dimensions-has-image"> <td>Weight</td> <td>1.95kg</td> </tr> </tbody> </table> </div> <div></div> </div> </div> </div> </div></div><div class="vc_tta-panel" id="1733935048584-a75605e4-b4f8" data-vc-content=".vc_tta-panel-body"><div class="vc_tta-panel-heading"><h4 class="vc_tta-panel-title"><a href="#1733935048584-a75605e4-b4f8" data-vc-accordion data-vc-container=".vc_tta-container"><span class="vc_tta-title-text">FEATURES</span></a></h4></div><div class="vc_tta-panel-body"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <ul> <li>Improved audio performance and power thanks to the latest generation of ADT (Audison D-Class) technology</li> <li>Unbeatable power/volume ratio up to 0.68 W RMS/cm³ reaching 81% of efficiency</li> <li>Hi-Res compatibility performance, with an extended audio band up to 40 kHz</li> </ul> </div> </div> </div></div></div></div></div></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row wpb_row vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-3"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/08/audison_adt_low-300x131-1-100x44.webp" width="100" height="44" alt="audison_adt_low-300x131" title="audison_adt_low-300x131" loading="lazy" /></div> </figure> </div> <div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_single_image wpb_content_element vc_align_center wpb_content_element"> <figure class="wpb_wrapper vc_figure"> <div class="vc_single_image-wrapper vc_box_border_grey"><img decoding="async" class="vc_single_image-img " src="https://www.audiofile-incar.co.uk/wp-content/uploads/2024/08/Uss-1-300x132-1-100x46.webp" width="100" height="46" alt="Uss-1-300x132" title="Uss-1-300x132" loading="lazy" /></div> </figure> </div> </div></div></div><div class="wpb_column vc_column_container vc_col-sm-9"><div class="vc_column-inner"><div class="wpb_wrapper"> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <div class="float-start w-100 audi--headline-technologies">Audison D-Class technology</div> <div class="float-start w-100 audi--description-technologies audi--color-grey"> <p>ADT uses a switching frequency twice as fast as many other modern Class D amplifiers using very high-tolerance component parts to keep the timing correct even during temperature extremes. The higher switching frequency of Audison Class D moves noise much farther away from the audible band. Audison Class D amplifiers also use a steeper 4th-order analog lowpass filter, rather than the simpler 2nd-order lowpass filters usually used in competing designs. The steeper filter will keep noise much lower in amplitude – which is good for controlling EMI and preventing infrasonic noise from getting to the tweeters. It also keeps phase shift outside the audible range. The cost is higher – twice as many components are needed for a 4th-order filter compared to the usual 2nd-order filter, and each output channel needs its own filter – but Audison determined through exhaustive listening testing that this design was the best-sounding approach.</p> </div> </div> </div> <div class="vc_empty_space" style="height: 32px"><span class="vc_empty_space_inner"></span></div> <div class="wpb_text_column wpb_content_element" > <div class="wpb_wrapper"> <p>Universal Speaker Simulator technology on high-level inputs for maximum compatibility with any type of Head-Unit OEM Source</p> </div> </div> </div></div></div></div> </div><!-- Audison AF M1D Amplifier AF D companion amplifiers are designed to add powerful amplifier channels to AF bit amplifiers. A plug-and-play Input harness is included to make the connection to AF bit amplifiers straightforward. AF D amplifiers are also perfect for use with systems controlled and managed by a standalone bit processor, such as a bit One HD Virtuoso. AF M1D boasts one high-fidelity amplified channel 600W @4Ω*, 1000W @2Ω*, and 1200W @1Ω* with the audiophile sound of the latest generation Audison D-Class technology. Higher switching frequencies, steeper filtering, and higher-tolerance components deliver sound above and beyond the expectation of Class D – in an amazingly compact package! AF M1D is the only one in the AF D family that can be used also in standalone mode, thanks to a set of manual controls: – adjustable (and defeatable) low-pass 4th-order crossover filter – 0-180° polarity/phase switch – 45 Hz Bass Boost adjustment Combine these functions with the ART DC turn-on from high-level Inputs, the USS speaker-input loading, and the optional VCR-S2 level knob, and this amp can be used to add subwoofers even in systems which lack an Audison AF bit amplifier! *Output Continuous Power (RMS) @14.4 VDC, 1% THD, All channels driven AMPLIFIER TECH DATA Channels 1 Class D-Class Hi Level Input Yes Low Level Input Yes Digital Input No Power supply voltage / fuse 11 ÷ 15 VDC Operating power supply voltage 6.5 ÷ 17.5 VDC Idling current 1.3 A Idling current when off 0.005 mA Consumption @ 14.4 VDC, 1Ω, Max Musical Power 65 A Remote OUT 6.5 ÷15 VDC (150 mA) Remote IN 4 ÷15 VDC (1 mA) ART – Automatic Remote Turn on/off from OUTPUT BTL speakers (Selectable) 1.5 VDC AMPLIFIER STAGE Distortion – THD @ 100 Hz, 4Ω, 70% Rated Power 0.03% Bandwidth A (-3 dB, 2 VRMS, 4 Ω): 10 Hz ÷ 500 Hz S/N ratio A (A weighted @ 1 V): 105 dBA Damping factor A (100 Hz, 4Ω, 2 VRMS): 125 Input sensitivity Pre-In 0.6 ÷ 6 VRMS Input sensitivity Speaker-In 2.2 ÷ 22 VRMS Total Power RMS 1000 W Minimum load impedance 1 Ω Output Power (RMS) @14.4 VDC, 1% THD 1Ch @ 4Ω: 600 W 1Ch @ 2Ω: 1000 W 1Ch @ 1Ω: 1200 W Adjustable Crossover Yes CEA SPECIFICATIONS Output power @ 4Ω, 1% THD N, 14.4 V 600 W SN ratio (ref. 1W output) 81 dBA INPUTS Input Type Pre-In / Speaker-In Filter Pass A Full / Low-Pass 50 ÷ 150 Hz @ 24 dB/Oct. Inputs/Outputs Phase (0 ÷ 180 ) deg Inputs/Outputs Bass Boost 45Hz (adjustable) – (0 ÷ 6) dB Remote Sub Volume ±12 dB DIMENSIONS Dimension A 240 mm Dimension B 47 mm Dimension C 156 mm Weight 1.95kg FEATURES Improved audio performance and power thanks to the latest generation of ADT (Audison D-Class) technology Unbeatable power/volume ratio up to 0.68 W RMS/cm³ reaching 81% of efficiency Hi-Res compatibility performance, with an extended audio band up to 40 kHz Audison D-Class technology ADT uses a switching frequency twice as fast as many other modern Class D amplifiers using very high-tolerance component parts to keep the timing correct even during temperature extremes. The higher switching frequency of Audison Class D moves noise much farther away from the audible band. Audison Class D amplifiers also use a steeper 4th-order analog lowpass filter, rather than the simpler 2nd-order lowpass filters usually used in competing designs. The steeper filter will keep noise much lower in amplitude – which is good for controlling EMI and preventing infrasonic noise from getting to the tweeters. It also keeps phase shift outside the audible range. The cost is higher – twice as many components are needed for a 4th-order filter compared to the usual 2nd-order filter, and each output channel needs its own filter – but Audison determined through exhaustive listening testing that this design was the best-sounding approach. Universal Speaker Simulator technology on high-level inputs for maximum compatibility with any type of Head-Unit OEM Source