{"product_id":"allen-heath-ah-m-ahm-64-aec-a","title":"Allen \u0026 Heath AH-M-AHM-64-AEC-A","description":"Allen \u0026amp; Heath AH-M-AHM-AEC-A Acoustic Echo Cancellation (AEC) module for  AHM-64,12 channels of AEC, 150ms FIR  Adaptive Filter, Far-end AGC, Residual echo  NLP\u003cbr\u003eAcoustic Echo Cancellation for AHM-64\u003cbr\u003e\u003cbr\u003eThe Acoustic Echo Cancellation (AEC) module for AHM-64 provides 12 channels of AEC and is designed for teleconferencing and videoconferencing scenarios. \u003cbr\u003e\u003cp class=\"richp\"\u003eThe AEC processors are assigned using channel inserts in the AHM-64. One insert sits in the far-end Input channel, and the other in the near-end Input channel.\u003c\/p\u003e\u003cp class=\"richp\"\u003eA Sound Reinforcement output is also provided for cases where local voice reinforcement is required.\u003c\/p\u003e\u003ch2\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eAEC (Acoustic Echo Cancelling) module for AHM-64\u003c\/li\u003e\n\u003cli\u003e12 channels of AEC\u003c\/li\u003e\n\u003cli\u003e150ms FIR Adaptive Filter\u003c\/li\u003e\n\u003cli\u003eFar-end AGC (Automatic Gain Control)\u003c\/li\u003e\n\u003cli\u003eResidual echo NLP (non-linear processing)\u003c\/li\u003e\n\u003cli\u003eBackground noise reduction\u003c\/li\u003e\n\u003cli\u003eNear-end gating\u003c\/li\u003e\n\u003cli\u003eSpeech-shaped comfort noise\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eINPUTS\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eMic\/Line Inputs \u003c\/span\u003eBalanced, +48V phantom power\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMic\/Line Preamp\u003c\/span\u003e Fully recallable\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInput Sensitivity\u003c\/span\u003e -60 to +15dBu\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAnalogue Gain\u003c\/span\u003e +5 to +60dB, 1dB steps\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePad\u003c\/span\u003e -20dB Active PAD\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMaximum Input Level\u003c\/span\u003e +30dBu (PAD in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInput Impedance \u003c\/span\u003e \u0026gt;3kΩ (Pad out), \u0026gt;8kΩ (Pad in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMic EIN\u003c\/span\u003e -127dB with 150? source\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eOUTPUTS\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eAnalogue Outputs\u003c\/span\u003e Balanced, Relay protected\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOutput Impedance\u003c\/span\u003e \u0026lt;75Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNominal Output\u003c\/span\u003e +4dBu = 0dB meter reading\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMaximum Output Level\u003c\/span\u003e +22dBu\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eResidual Output Noise \u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e-94dBu (muted, 20-20kHz) \u003c\/li\u003e\n\u003cli\u003e-92dBu (muted, 20-40kHz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e \u003ch2\u003eSYSTEM\u003c\/h2\u003e \u003cp\u003eMeasured balanced XLR in to XLR out, 20-20kHz, +5dB Gain, Pad out, signal @ 0dB (meter)\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eDynamic Range \u003c\/span\u003e110dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSystem Signal to Noise\u003c\/span\u003e -94dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency Response \u003c\/span\u003e20Hz - 25kHz +0\/-0.8dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTHD+N (analogue in to out)\u003c\/span\u003e 0.005% @ +16dBu output, 1kHz +5dB gain\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHeadroom\u003c\/span\u003e +18dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSampling Rate\u003c\/span\u003e 96kHz +\/- 20 PPM\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePlayback\u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInternal Storage ~3GB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFile types\u003c\/span\u003e Mono\/stereo .WAV (16\/24bit, 44.1\/48\/96kHz), MP3, FLAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cspan\u003eOperating Temperature Range\u003c\/span\u003e 0 deg C to 40 deg C (32 deg F to 104 deg F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMains Power \u003c\/span\u003e100-240V AC, 50-60Hz, 70W max\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDC Power\u003c\/span\u003e 12VDC - 5A minimum capable supply\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eDIMENSIONS AND WEIGHTS\u003c\/h2\u003e \u003cp\u003eWidth x Depth x Height x Weight\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eAHM-64\u003c\/span\u003e 482.6mm x 364mm x 91.2mm (19” x 14.3” x 3.6”) x 7kg (15.5lbs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAHM-64 Boxed\u003c\/span\u003e 600 x 500 x 180 mm (23.6” x 19.7”x 7.1”) x 9.5kg (21lbs)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp class=\"richp\"\u003e\u003c\/p\u003e","brand":"Allen","offers":[{"title":"Default Title","offer_id":43886774157355,"sku":"AH-M-AHM-64-AEC-A","price":758.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/AH-M-AHM-64-AEC-A__93587.1697537200.1280.1280.jpg?v=1775672529","url":"https:\/\/www.empirepro.com\/products\/allen-heath-ah-m-ahm-64-aec-a","provider":"Empire Pro","version":"1.0","type":"link"}