{"product_id":"mcintosh-c55","title":"C55 2-Channel Preamplifier","description":"\u003cdiv class=\"mc-editorial\"\u003e\n\u003cfigure class=\"mc-img-block\"\u003e\u003cimg src=\"https:\/\/www.mcintoshlabs.com\/-\/media\/Images\/mcintoshlabs\/Products\/ProductImages\/Shared\/The-Ear-5-star-logo.png?rev=83c8e6dfc54e4b859dfab28add047a87\" alt=\"The Ear 5 star logo\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003csection id=\"overview\" class=\"mc-section\"\u003e\u003cp\u003eThe C55 Preamplifier is a pinnacle of sonic excellence designed for audiophiles, music enthusiasts, and dedicated McIntosh fans alike. As a torchbearer of innovation, it takes the baton from its predecessor, the multi award-winning C53, and propels your home audio experience into new realms of audio nirvana. With precision and craftsmanship, the C55 proudly takes its place as a true industry leader.\u003c\/p\u003e\u003c\/section\u003e\n\u003cfigure class=\"mc-img-block\"\u003e\u003cimg src=\"https:\/\/www.mcintoshlabs.com\/-\/media\/images\/mcintoshlabs\/products\/productimages\/c55\/c55-angle-left-background.jpg?rev=65ca179ae7cf420a9379c5f51cd25d44\u0026amp;revision=65ca179a-e7cf-420a-9379-c5f51cd25d44\" alt=\"McIntosh C55 Preamplifier\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003csection id=\"inputs-in-abundance\" class=\"mc-section\"\u003e\u003ch3\u003eINPUTS IN ABUNDANCE\u003c\/h3\u003e\n\u003cp\u003eWith a staggering 16 inputs (9 analog and 7 digital), the C55 becomes the nerve center of your audio universe. Analog inputs include 3 balanced and 4 unbalanced connections, along with 2 phono inputs configurable for either Moving Coil or Moving Magnet phono cartridges to connect your turntable(s). Both phono inputs feature adjustable Gain in 6dB steps from 40dB to 64dB as well as RIAA equalization.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection id=\"section-2\" class=\"mc-section\"\u003e\u003cp\u003e\"It has everything needed to make it the beating heart of any high quality music system. It stands out from the crowd, and is an irresistible blend of good looks and musical excellence.” Awarded 5 Stars. – The Ear\u003c\/p\u003e\u003c\/section\u003e\n\u003csection id=\"section-3\" class=\"mc-section\"\u003e\u003cp\u003eThe digital section is housed in our DA2 Digital Audio Module and is powered by an audiophile-grade Quad Balanced, 8-channel, 32-bit Digital-to-Analog Converter (DAC). The DA2 offers an array of connections, including an audio-only HDMI Audio Return Channel (ARC)1 input, ushering your TV sound into a new era through your home stereo system. Dolby® and DTS® multi-channel audio formats are expertly converted to exquisite two-channel audio for a captivating listening experience.\u003c\/p\u003e\u003c\/section\u003e\n\u003cfigure class=\"mc-img-block\"\u003e\u003cimg src=\"https:\/\/www.mcintoshlabs.com\/-\/media\/images\/mcintoshlabs\/products\/productimages\/c55\/c55-back-background.jpg?rev=ec6c000158564621b01750dd681fe8c8\u0026amp;revision=ec6c0001-5856-4621-b017-50dd681fe8c8\" alt=\"McIntosh C55 Preamplifier\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003csection id=\"section-4\" class=\"mc-section\"\u003e\u003cp\u003eThe DA2's other 6 digital inputs consist of 2 coaxial, 2 optical, 1 USB, and 1 MCT. The USB input supports DSD512 and DXD 384kHz. The coax and optical inputs decode digital music up to 24-bit\/192kHz for high resolution audio playback. And to get the best sound quality from the high definition audio on your SACD collection, the MCT input offers a secure, custom DSD connection when paired with our MCT series of SACD\/CD Transports. The entire DA2 module is upgradeable and could be replaced by a future module should new digital technologies become available.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection id=\"innovative-outputs-for-personalized-listening\" class=\"mc-section\"\u003e\u003ch3\u003eINNOVATIVE OUTPUTS FOR PERSONALIZED LISTENING\u003c\/h3\u003e\n\u003cp\u003eTo connect the C55 to your power amplifier(s), there are 3 stereo sets of variable balanced and unbalanced outputs that offer advanced connection flexibility. All 3 sets of outputs can be active at the same time, and each can send the audio signal of the source component to 3 separate audio systems.\u003c\/p\u003e\u003c\/section\u003e\n\u003cfigure class=\"mc-img-block\"\u003e\u003cimg src=\"https:\/\/www.mcintoshlabs.com\/-\/media\/images\/mcintoshlabs\/products\/productimages\/shared\/preamp-outputs.jpg?rev=fc6650b85e0e464f86399638220ab06f\u0026amp;revision=fc6650b8-5e0e-464f-8639-9638220ab06f\" alt=\"McIntosh Preamplifier back panel\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003csection id=\"section-6\" class=\"mc-section\"\u003e\u003cp\u003eAdditionally, the Main output and Output 1 can be used for bi-amping a single speakersystem via the built-in adjustable High Pass and Low Pass filters. In this setup, the High Pass outputs could be connected to a vacuum tube amplifier, and the Low Pass outputs could be connected to a solid-state amplifier. The adjustable crossover allows you to optimize the performance of your amplifiers to your speaker’s specifications and to your listening preferences. Output 1 offers trim level control, which allows two different amplifiers to be volume balanced when bi-amping.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection id=\"section-7\" class=\"mc-section\"\u003e\u003cp\u003eFurthermore, Output 2 can be configured as either mono or stereo and can send audio signal to a stereo audio system in another room, to a single mono subwoofer, or to 2 separate stereo subwoofers.2\u003c\/p\u003e\u003c\/section\u003e\n\u003cfigure class=\"mc-img-block\"\u003e\u003cimg src=\"https:\/\/www.mcintoshlabs.com\/-\/media\/images\/mcintoshlabs\/products\/productimages\/shared\/preamp-processor-loop.jpg?rev=908d69ea8d2f434aaaed976c8eda95b8\u0026amp;revision=908d69ea-8d2f-434a-aaed-976c8eda95b8\" alt=\"McIntosh Preamplifier back panel\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003csection id=\"return-of-the-processor-loop\" class=\"mc-section\"\u003e\u003ch3\u003eRETURN OF THE PROCESSOR LOOP\u003c\/h3\u003e\n\u003cp\u003eThe C55 features the return of the Processor Loop, something not available on the last few generations of McIntosh preamplifiers. The Processor Loop allows you to insert an external signal processor (such as our MQ112 Environmental Equalizeror MEN220 Room Correction System), dynamic range expanders, or other devices without having to place it between the preamplifier and power amplifier(s). This is usually more convenient and can allow for better performance.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection id=\"section-9\" class=\"mc-section\"\u003e\u003cp\u003eThe Processor Loop is also the perfect place to connect an analog tape recorder, a high-end cassette deck, or a 3-head reel deck that allows you to record from a source component and hear the recording just seconds later so you can monitor your recordings.\u003c\/p\u003e\u003c\/section\u003e\n\u003cfigure class=\"mc-img-block\"\u003e\u003cimg src=\"https:\/\/www.mcintoshlabs.com\/-\/media\/images\/mcintoshlabs\/products\/productimages\/shared\/connect-app-c55.jpg?rev=19201b328e49483db644409d53a5fa65\u0026amp;revision=19201b32-8e49-483d-b644-409d53a5fa65\" alt=\"McIntosh Connect app\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003csection id=\"network-connected-for-control-and-updates\" class=\"mc-section\"\u003e\u003ch3\u003eNETWORK CONNECTED FOR CONTROL AND UPDATES\u003c\/h3\u003e\n\u003cp\u003eIn addition to using the included remote control or the front panel controls, the C55 can be connected to your network which will unlock control options offered through our complimentary Connect app. Designed for both Android and Apple devices, the Connect app can be used to control key functions of the C55 including Volume control as well as Input and Output selection.\u003c\/p\u003e\n\u003cp\u003eSelect McIntosh source components3 that have a data cable connected to the C55 will be partially controllable via the app's Source Control feature. With Source Control, users will be able to control many of the source unit's functions from the app, such as changing radio stations on a tuner, or playing a disc in a CD Player. This feature will bring added convenience to setups that have a secondary set of power amplifiers and speakers connected to one of the C55's outputs, such as an outdoor system where you will no longer be forced to go inside to control its basic functionality.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection id=\"section-11\" class=\"mc-section\"\u003e\u003cp\u003eAnother benefit of adding the C55 to your network is the ability to receive periodic firmware updates. These firmware releases can add new features or provide important performance updates. Watch our McIntosh Connect App: Setup and How to Use video to get acquainted with the app.\u003c\/p\u003e\n\u003cp\u003eThe C55 has received Connects with Control4 Certification from Control4®, a leading global provider of smart home automation solutions, with the implementation of their Simple Device Discovery Protocol (SDDP), allowing it to be effortlessly integrated into Control4 automation systems to further enhance the user experience. It has also received Works with Crestron Home certification from Crestron, a global leader in advanced smart home technology. Crestron Home unlocks the full potential of a smart home. It’s the complete package for any size project, delivering a simpler, smarter user experience for homeowners, remarkably fast configuration and deployment for integrators, and the confidence that comes with renowned, best-in-class Crestron control hardware.\u003c\/p\u003e\u003c\/section\u003e\n\u003cfigure class=\"mc-img-block\"\u003e\u003cimg src=\"https:\/\/www.mcintoshlabs.com\/-\/media\/images\/mcintoshlabs\/products\/productimages\/c55\/c55-front-close-up.jpg?rev=e2ada028729e48b0a9b70f3d05c37cde\u0026amp;revision=e2ada028-729e-48b0-a9b7-0f3d05c37cde\" alt=\"McIntosh C55 Preamplifier\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003csection id=\"elevate-your-auditory-journey\" class=\"mc-section\"\u003e\u003ch3\u003eELEVATE YOUR AUDITORY JOURNEY\u003c\/h3\u003e\n\u003cp\u003eAll this cutting-edge audio technology resides within the iconic McIntosh design – a black glass front panel adorned with blue meters, rotary knobs, and an illuminated logo. The polished stainless steel chassis adds a touch of elegance, making it a perfect companion for amplifiers, CD players, turntables, and more.\u003c\/p\u003e\n\u003cp\u003eElevate your sound journey with the C55 Preamplifier. Contact your local dealerand embark on an audio adventure like never before.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection id=\"section-13\" class=\"mc-section\"\u003e\u003cp\u003e1) The HDMI ARC input will only play audio from a compatible TV. It will not pass video to or from a TV, or play audio from any non-TV source.\n2) Only powered subwoofers will work with this preamplifier.\n3) Source components compatible with Source Control: MCD201, MCD205, MCD301, MCD350, MCD500, MCD550, MCD600, MCD751, MCD1000, MCD1100, MCD7009, MCD7010, MCD12000, MCT80, MCT450, MCT500, MR85, MR87, MR88, MR89, MR7084, MVP831, MVP841, MVP851, MVP861, MVP871, MVP881, MVP891, and MVP901.\u003c\/p\u003e\n\u003cp\u003eThe terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.\nDolby is a registered trademark of Dolby Laboratories.\nDTS, DTS-HD, the Symbol, \u0026amp; DTS or DTS-HD and the Symbol together are registered trademarks of DTS, Inc. © DTS, Inc. All Rights Reserved.\u003c\/p\u003e\u003c\/section\u003e\n\u003cdetails id=\"specifications\" class=\"mc-accordion\"\u003e\u003csummary\u003eSpecifications\u003c\/summary\u003e\u003cdiv class=\"mc-spec-body\"\u003e\n\u003cp class=\"mc-spec-heading\"\u003eElectronic Specifications\u003c\/p\u003e\n\u003cdiv class=\"mc-spec-grid\"\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eNumber of Channels\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eTotal Harmonic Distortion\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e0.005%\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eFrequency Response\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e+0, -0.5dB from 20Hz to 20kHz\u003c\/p\u003e\n\u003cp class=\"mc-spec-sub\"\u003e+0, -3dB from 15Hz to 100kHz\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eMaximum Volts Out (Balanced \/ Unbalanced)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e16V RMS \/ 8V RMS\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eSensitivity High Level (Balanced \/ Unbalanced)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e900mV \/ 450mV\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eSensitivity Phono (Moving Coil)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e0.45mV\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eSensitivity Phono (Moving Magnet)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e4.5mV\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eSignal To Noise Ratio (High Level)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e100dB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eSignal To Noise Ratio (Moving Coil)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e80dB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eSignal To Noise Ratio (Moving Magnet)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e82dB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eVoltage Gain (High Level)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e15dB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eVoltage Gain (Moving Coil)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eSelectable 40dB, 46dB, 52dB, 58dB, or 64dB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eVoltage Gain (Moving Magnet)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eSelectable 40dB, 46dB, 52dB, 58dB, or 64dB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eInput Impedance (Balanced \/ Unbalanced)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e44K ohm, 22K ohm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"mc-spec-heading\"\u003eConnectivity\u003c\/p\u003e\n\u003cdiv class=\"mc-spec-grid\"\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eBalanced Input\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e3\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eUnbalanced Input\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e4\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003ePhono Input Moving Coil\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eUp to 2 (unit has 2 Phono inputs; each is user configurable as either Moving Coil or Moving Magnet)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003ePhono Input Moving Magnet\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eUp to 2 (unit has 2 Phono inputs; each is user configurable as either Moving Coil or Moving Magnet)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eUpgradeable Digital Audio Module\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eYes: DA2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eDigital Coaxial Inputs\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eDigital Optical Inputs\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eDigital MCT Inputs\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eDigital USB Input\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eHDMI (ARC) Input\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eDigital AES\/EBU Input\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e0\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eBalanced Fixed Output\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e0\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eBalanced Variable Output\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e3\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eUnbalanced Fixed Output\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e0\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eUnbalanced Variable Output\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e3\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eHeadphone Output\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e1\/4\" High Drive with Headphone Crossfeed Director (HXD®)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eInput Level Match\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eYes, +\/- 6dB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eHome Theater PassThru\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eYes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eUnbalanced Analog Connector Type\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003ePremium gold-plated solid brass\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eService Port\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eNetwork Connections\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"mc-spec-heading\"\u003eControl\u003c\/p\u003e\n\u003cdiv class=\"mc-spec-grid\"\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eTone Controls\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e8-band (each band adjustable ± 12dB )\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eTone Bypass and Input Assign\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eYes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eRS232 Control Inputs\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eYes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003ePower Control Outputs\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e1 Main, 4 Trigger\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eRear Panel Data Ports\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e6\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eRear Panel IR Sensor Inputs\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eYes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"mc-spec-heading\"\u003eGeneral Specifications\u003c\/p\u003e\n\u003cdiv class=\"mc-spec-grid\"\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eMulti-Chassis or Single\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eSingle, two-layer\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eOutput Meters\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eYes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eVacuum Tube or Solid State\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003eSolid State\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003ePower Consumption (On)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e75 Watts\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"mc-spec-heading\"\u003eWeights \u0026amp; Dimensions\u003c\/p\u003e\n\u003cdiv class=\"mc-spec-grid\"\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eUnit Dimensions (W x H x D)\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e17.5\" (44.45cm) x 7.625\" (19.4cm) x 16.5\" (41.9cm)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eUnit Weight\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e28 lbs (12.5 kg)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mc-spec-item\"\u003e\n\u003cp class=\"mc-spec-name\"\u003eShipping Weight\u003c\/p\u003e\n\u003cp class=\"mc-spec-value\"\u003e43.5 lbs (19.7 kg)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails id=\"downloads\" class=\"mc-accordion\"\u003e\u003csummary\u003eDownloads\u003c\/summary\u003e\u003cul class=\"mc-downloads\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.mcintoshlabs.com\/-\/media\/Files\/mcintoshlabs\/DocumentMaster\/us\/C55-Product-Brochure-V1D.pdf?rev=3573df56a3be4471bb5068462d0477e3\u0026amp;revision=3573df56-a3be-4471-bb50-68462d0477e3\"\u003eC55 Preamplifier Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.mcintoshlabs.com\/-\/media\/Files\/mcintoshlabs\/DocumentMaster\/us\/C55-Product-Sheet-V1D.pdf?rev=88e64129ae5f477a9f7ecfaa579b7782\u0026amp;revision=88e64129-ae5f-477a-9f7e-cfaa579b7782\"\u003eC55 Preamplifier Product Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.mcintoshlabs.com\/-\/media\/Files\/mcintoshlabs\/DocumentMaster\/us\/C55-OM-24124002.pdf?rev=573ce144dde4493d89046fddb616d19d\u0026amp;revision=573ce144-dde4-493d-8904-6fddb616d19d\"\u003eC55 Preamplifier Owner's 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