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Summary of Contents for Martin Audio VIA 5002
- Page 1 V1.0 Nov2018 Power Amplifiers User Guide...
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Page 2: Table Of Contents
VIA Amplifiers USER GUIDE Martin Audio VIA Amplifier User Guide Contents Martin Audio VIA Amplifier User Guide ............................ 1 Contents ...................................... 1 IMPORTANT SAFETY INSTRUCTIONS .............................. 3 CONSIGNES DE SÉCURITÉ IMPORTANTES ............................ 4 AVERTISSEMENT DE SECURITE .............................. 4 AVERTISSEMENT DE SECURITE .............................. 4 AVERTISSEMENT DE SECURITE .............................. 4 COMPLIANCE .................................... 5 FOR CUSTOMERS IN EUROPE ................................ 5 FOR CUSTOMERS IN THE USA ............................... 5 ... - Page 3 VIA Amplifiers USER GUIDE Protection ....................................... 24 Turn‐On‐Turn‐Off muting ................................ 24 Short circuit protection ................................ 24 Thermal protection .................................. 24 DC fault protection .................................. 24 Input / Output protection ................................ 24 Operation ....................................... 25 Connect Power to the amplifier .............................. 25 Connect all input and output cables. ............................ 25 Gain Controls .................................... 25 Power The system .................................. 25 ...
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Page 4: Important Safety Instructions
VIA Amplifiers USER GUIDE IMPORTANT SAFETY INSTRUCTIONS Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases, shall be placed on the apparatus. Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions. Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including amplifiers) that produce heat. Do not defeat the safety purpose of the polarized or grounding type plug. A polarized plug has two blades with one wider than the other. A grounding type plug had two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. ... -
Page 5: Consignes De Sécurité Importantes
VIA Amplifiers USER GUIDE CONSIGNES DE SÉCURITÉ IMPORTANTES Lisez ces instructions. Conservez ces instructions. Respectez tous les avertissements. Suivez toutes les instructions. Ne pas utiliser cet appareil près de l'eau. L'appareil ne doit pas être exposé à des gouttes ou des éclaboussures et aucun objet contenant des liquides, tels que des vases, ne doit être placé sur l'appareil. Nettoyer uniquement avec un chiffon sec. Ne pas bloquer les ouvertures de ventilation. Installer conformément aux instructions du fabricant. Ne pas installer près de sources de chaleur telles que radiateurs, registres de chaleur, poêles ou autres appareils (y compris les amplificateurs) qui produisent de la chaleur. Ne supprimez pas le dispositif de sécurité de la fiche polarisée ou mise à la terre. Une fiche polarisée possède deux lames dont l'une est plus large que l'autre. Une prise de terre a eu deux lames et une troisième broche de terre. La lame large ou la troisième broche sont fournies pour votre sécurité. Si la fiche fournie ne rentre pas dans votre prise, consultez un électricien pour remplacer la prise obsolète. ... -
Page 6: Compliance
VIA Amplifiers USER GUIDE COMPLIANCE FOR CUSTOMERS IN EUROPE This product complies with both the LVD (electrical safety) 73/23/EEC and EMC (electromagnetic compatibility) 89/336/EEC directives issues by the commission of the European community. Compliance with these directives implies conformity with the following European standards: EN60065 Product safety EN55032 EMC emissions EN55103‐2 EMC immunity This product is intended for the following electromagnetic environments: E1, E2; E3 & E4. THIS PRODUCT MUST BE EARTHED. Use only a flexible cable or cord with a green and yellow core which must be connected to the protective earthing terminal of a suitable mains plug or the earthing terminal of the installation. The cord must be a maximum of 2m long, have a 2.5mm2 CSA, a 300/500V rating and comply with EN50525‐2‐11 / H05W‐F. THIS PRODUCT IS DESIGNED FOR PERMANENT INSTALLATION. It must be fitted in to a 19” rack enclosure and not operated unless so installed. The rack enclosure should be open at the front and back to allow free ventilation and movement of air through the product. FOR CUSTOMERS IN THE USA This product complies with UL60065 8th edition. ... -
Page 7: For Customers In Canada
VIA Amplifiers USER GUIDE FOR CUSTOMERS IN CANADA This product complies with CA /CSA C22.2 No.60065‐03 Ce produit est conforme avec CA /CSA‐C22.2 60065:2016 Ed.2 THIS PRODUCT MUST BE EARTHED. Use only a flexible cable or cord with a green or green / yellow core which must be connected to the protective earthing terminal of a suitable mains plug or the earthing terminal of the installation. The cord must be a maximum of 6’ long, be 14AWG, have a rating SJ, SJT, SJE or 300/500V H05W‐F and be marked VW‐1. CE PRODUIT DOIT ÊTRE MIS À LA TERRE. Utilisez uniquement un câble souple avec un noyau vert ou vert / jaune qui doit être relié à la borne de terre de connecteur d'alimentation ou la borne de terre de l'installation. Le cordon doit être un maximum de 6' (2m) de long, 14 AWG (2.5mm2 CSA), être classé SJ, SJT, SJE ou 300/500V H05W‐F et être marquée VW‐1 THIS PRODUCT IS DESIGNED FOR PERMANENT INSTALLATION. It must be fitted in to a 19” rack enclosure and not operated unless ... -
Page 8: Thanks And Unpacking
VIA Amplifiers USER GUIDE Thanks and Unpacking Thank you for choosing a Martin Audio VIA Series Advanced Amplifier for your application. Please spare a little time to study the contents of this manual, so that you obtain the best possible performance from this unit. All Martin Audio products are carefully engineered for world‐class performance and reliability. If you would like further information about this or any other Martin Audio product, please contact us. We look forward to helping you in the near future. Unpacking the Martin Audio VIA Series Amplifier After unpacking the unit please check carefully for damage. If damage is found, please notify the carrier concerned at once. You, the consignee, must instigate any claim. Please retain all packaging in case of future re‐shipment. INSTALLATION INSTRUCTIONS Mechanical Installation The VIA Series Amplifiers are designed to be mounted in a standard 19” rack enclosure. All models have identical mechanical dimensions. Where the amplifier is used in a fixed installation, as long as the bottom unit is supported and there are no gaps between units, it is acceptable to use only the front panel 19” rack holes when fitting it in a standard rack enclosure. If the amplifier is mounted in a mobile rack it is important that the rear is supported with a rear rack mounting kit (part number IKRACK). Damage caused by insufficient support is not covered by the warranty. To prevent damage to the front panel it is recommended that plastic cups or washers are fitted underneath the rack mounting bolt heads. It is possible to mount multiple VIA amplifiers without ventilation gaps between them but it is essential that an unobstructed flow of clean air is available from the front of the unit to the rear. It is important that neither the air intakes on the front of the unit or the exhaust vents at the rear are covered. Steps must be taken to ensure that hot air does not continually circulate through the amplifiers from the back of the rack to the front. ... -
Page 9: Ac Power Connection
VIA Amplifiers USER GUIDE The amplifier should never be exposed to rain or moisture during operation or storage. If the unit does come into contact with moisture, remove the AC power cable immediately and leave it in a dry and warm location to dry out. Note that when any equipment is taken from a cold location into a hot humid one, condensation may occur inside the device. Always allow time for the equipment to attain the same temperature as its surrounding environment before connecting the AC power cable. IMPORTANT It is the responsibility of the user to ensure that dirt, liquids and vapour from oil‐based theatrical smoke, haze or fog machines is not ingested by the amplifier. Damage so caused is not covered by the manufacturer’s warranty. AC Power Connection The amplifier utilises a Neutrik PowerCon™ type locking AC power connector. Use only an AC power cable with a correctly terminated PowerCon™ type connector to make the connection to the mains power supply. These connectors operate in identical fashion to a Neutrik Speakon loudspeaker connector (but are uniquely keyed making it impossible to insert a mains plug ... -
Page 10: Powercon Wiring Instructions
VIA Amplifiers USER GUIDE PowerCon Wiring Instructions Place the bushing (1) and the chuck (2) over the cable White chuck (a): 6.0 – 11.0mm (0.236 – 0.433”) Black chuck (b): 9.5 – 15.0mm (0.374 – 0.59”) VDE: 9.5 – 14.0mm (0.374 – 0.551”) Prepare the cable as shown Cable O.D: 6.0 – 15.0mm (0.236 – 0.59”) Wire size : 2.5mm (AWG 14) VIA Amplifiers User Guide V1.0 9 ... - Page 11 VIA Amplifiers USER GUIDE Insert the wire into the terminals and fasten the clamping device with a POZIDRIV® #1, max. Torque 0.5 Nm (0.37 lb‐ ft). Slide the insert and the chuck (1) into the housing (2). Important: (a) Align the chuck by positioning the nose into the recess. (b) Pay attention to the guiding keyway! Fasten bushing by means of a fork wrench 7/8” (SW 22) min. Torque 2.5 Nm (1.8 lb‐ft). VIA Amplifiers User Guide V1.0 10 ...
- Page 12 VIA Amplifiers USER GUIDE OPTION: Use the Neutrik handtool Art. No. HTFAC to tighten the bushing. Finished PowerCon VIA Amplifiers User Guide V1.0 11 ...
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Page 13: The User Guide
VIA Amplifiers USER GUIDE The User Guide This user manual gives a progressively more detailed description of the functions of the Martin Audio VIA Amplifiers. A detailed explanation of the front and rear panel controls and indicators is contained in the next section. The final section describes each individual function or feature with annotated images explaining its use. VIA Amplifiers User Guide V1.0 12 ... -
Page 14: Introduction And Key Features
VIA Amplifiers USER GUIDE Introduction and Key Features Introduction The Martin Audio VIA Series Amplifiers represents current state‐of‐the‐art technology in several areas. integrating light‐weight power supplies, high power sonically transparent class D amplifiers. Key Features Two/Four channels of sonically pure Class D amplification Each section is completely independent with discrete PSU, amplifier Martin Audio minimal signal path design Class leading sonic performance achieved by the use of state of the art Amplifier technologies. VIA Amplifiers User Guide V1.0 13 ... -
Page 15: Audio Connections
VIA Amplifiers USER GUIDE Audio Connections Input Connections For each input channel there is a female XLR connector for analogue inputs. The HOT, + or ‘in phase’ connection should be made to pin 2 of the XLR connector. The COLD, ‐ or ‘out of phase’ connection should be made to pin 3 of the XLR connector. Pin 1 of the XLR connectors is internally connected to the chassis. The shield of the input cable should always be connected Pin 1 of the XLR to ensure that EMC performance and regulations are met. 3 Using unbalanced connections Please note that the use of unbalanced connections is not recommended, however when connecting the amplifier to an unbalanced audio source, the signal conductor should be connected to XLR pin2. The ‘Cold’ conductor or cable screen should be connected to XLR pin 1 with a short connection made between pin 1 and pin 3. ... -
Page 16: Amplifier Output Connections
VIA Amplifiers USER GUIDE Amplifier Output Connections The VIA amplifiers are fitted with one Speakon™ connector per amplifier channel. The appropriate conductor terminations are shown below and on the rear panel of the unit. Amplifier output connections –channels 2 & 4 2‐ Additionally, channel 2 output is duplicated on the Speakon™ connector for amplifier channel 1 for Bi‐Amp wiring. Similarly, the channel 4 output is duplicated on the Speakon™ connector for amplifier channel 3 on four channel models. This can be useful for making a connection to two loudspeakers with one 4‐core cable (i.e. Bi‐Amp). Amplifier output connections –Outputs 1 and 3 In addition, the channel 1 or channel 3 connector can also be used if the pair of amplifier channels is being operated in bridged mode. Amplifier output connections – Bridge VIA2502 and VIA5004 only More than one speaker can be connected to each channel provided the total impedance per channel is not less than 2 ohms for the VIA 2502 and VIA5004, or 4 ohms for the VIA5002 and VIA2004. In bridged mode for the VIA2502 and VIA5004 the minimum total impedance should not be less than 4 ohms. VIA Amplifiers User Guide V1.0 15 ... -
Page 17: Panel Layouts
VIA Amplifiers USER GUIDE Panel Layouts VIA2502 1. Input Signal Indicators‐ Two indicators show “Sig”, and “‐6dB” for all inputs. The signal present Indicators operate at approximately –40 dBu. 2. Gain Control‐ Continuous adjustment from 0dB (32dB of gain) to zero (‐ ) 3. Bridge Mode Indicator‐ This will illuminate when the channel pair is in Bridge mode. The controls for the left channel of the pair will determine the settings. See Bridge Mode 4. Clip Indicator‐ The Clip Indicators warn the user of input overload and operate at 1dB before clip. 5. Protect indicator‐ The VIA amplifiers have sophisticated protection and monitoring systems which keep the amplifier within its safe operating window ... -
Page 18: Via2004
VIA Amplifiers USER GUIDE VIA2004 1. Gain Control‐ Continuous adjustment from 0dB attenuation (32dB of gain) to zero (‐ ) Input 2. Signal Indicators‐ Two indicators show “Sig”, and “‐6dB” for all inputs. The signal present Indicators operate at approximately –40 dBu. 3. Clip Indicator‐ The Clip Indicators warn the user of input overload and operate at 1dB before clip. 4. Protect indicator‐ The VIA amplifiers have sophisticated protection and monitoring systems which keep the amplifier within its safe operating window whenever ... -
Page 19: Via5002
VIA Amplifiers USER GUIDE VIA5002 1. Gain Control‐ Continuous adjustment from 0dB attenuation (32dB of gain) to zero (‐ ) Input 2. Signal Indicators‐ Two indicators show “Sig”, and “‐6dB” for all inputs. The signal present Indicators operate at approximately –40 dBu. 3. Clip Indicator‐ The Clip Indicators warn the user of input overload and operate at 1dB before clip. 4. Protect indicator‐ The VIA amplifiers have sophisticated protection and monitoring systems which keep the amplifier within its safe operating window whenever ... -
Page 20: Via5004
VIA Amplifiers USER GUIDE VIA5004 1. Input Signal Indicators‐ Two indicators show “Sig”, and “‐6dB” for all inputs. The signal present Indicators operate at approximately –40 dBu. 2. Gain Control‐ Continuous adjustment from 0dB (32dB of gain) to zero (‐ ) 3. Bridge Mode Indicator‐ This will illuminate when the channel pair is in Bridge mode. The controls for the left channel of the pair will determine the settings. See Bridge Mode 4. Clip Indicator‐ The Clip Indicators warn the user of input overload and operate at 1dB before clip. 5. Protect indicator‐ The VIA amplifiers have sophisticated protection and monitoring systems which keep the amplifier within its safe operating window ... -
Page 21: Rear Panel
VIA Amplifiers USER GUIDE Rear Panel VIA2502 1. Power Inlet‐ The unit should be connected to a suitable mains electricity supply using an earthed Neutrik PowerCon connection power lead. The device has a switch mode power supply that is capable of operating with a nominal mains voltage of 100V to 230V, 50/60Hz without re‐configuration. 2. Loudspeaker Connectors‐ The amplifier Neutrik Speakon™ outputs. Connect the loudspeaker to the 1+ and 1‐ terminals. CH1 also carries the (duplicated) loudspeaker output for channel 2 on terminals 2+ and 2‐. ... -
Page 22: Via2004
VIA Amplifiers USER GUIDE VIA2004 1. Power Inlet‐ The unit should be connected to a suitable mains electricity supply using an earthed Neutrik PowerCon connection power lead. The device has a switch mode power supply that is capable of operating with a nominal mains voltage of 100V to 230V, 50/60Hz without re‐configuration. 2. Loudspeaker Connectors‐ The amplifier Neutrik Speakon™ outputs. Connect the loudspeaker to the 1+ and 1‐ terminals. CH1 also carries the (duplicated) loudspeaker ... -
Page 23: Via5002
VIA Amplifiers USER GUIDE VIA5002 1. Power Inlet‐ The unit should be connected to a suitable mains electricity supply using an earthed Neutrik PowerCon connection power lead. The device has a switch mode power supply that is capable of operating with a nominal mains voltage of 100V to 230V, 50/60Hz without re‐configuration. 2. Loudspeaker Connectors‐ The amplifier Neutrik Speakon™ outputs. Connect the loudspeaker to the 1+ and 1‐ terminals. CH1 also carries the (duplicated) loudspeaker output for channel 2 on terminals 2+ and 2‐. 3. Analogue Audio Link Connectors‐ Carries a duplicate (parallel) connection from that channel (to link to another amplifier for example). 4. Analogue Audio Input Connectors‐ All audio connections are fully balanced and wired: pin‐1 to ground (as required by the AES48 standard), pin‐2 hot & pin‐3 cold. VIA Amplifiers User Guide V1.0 22 ... -
Page 24: Via5004
VIA Amplifiers USER GUIDE VIA5004 1. Power Inlet‐ The unit should be connected to a suitable mains electricity supply using an earthed Neutrik PowerCon connection power lead. The device has a switch mode power supply that is capable of operating with a nominal mains voltage of 100V to 230V, 50/60Hz without re‐configuration. 2. Loudspeaker Connectors‐ The amplifier Neutrik Speakon™ outputs. Connect the loudspeaker to the 1+ and 1‐ terminals. CH1 also carries the (duplicated) loudspeaker output for channel 2 on terminals 2+ and 2‐. CH3 also carries the (duplicated) loudspeaker output for channel 4 on terminals 2+ and 2‐. 3. Analogue Audio Input Connectors‐ All audio connections are fully balanced and wired: pin‐1 to ground (as required by the AES48 standard), pin‐2 hot & pin‐3 cold. 4. Analogue Audio Link Connectors‐ Carries a duplicate (parallel) connection from that channel (to link to another amplifier for example). 5. Bridge switch‐ Switches the amplifier to operate in bridge mode. ... -
Page 25: Protection
VIA Amplifiers USER GUIDE Protection Turn‐On‐Turn‐Off muting For about four seconds after turn‐on, and immediately at turn‐off, the amplifier outputs are muted. Short circuit protection A short circuit protection system safeguards the amplifier's output devices under short circuits and other stressful loads. It is completely inaudible when inactive. In the event of a short circuit condition, the red Protect LED will be illuminated. The amplifier protection has an auto reset mode which will attempt of reset the amplifier for normal use after 2 seconds. If the short circuit is still present the amplifier will attempt to reset every 2 seconds until the short is removed. Thermal protection The VIA amplifiers use a continuously variable speed fan to assist cooling (the fan speed changes in response to the amplifier's cooling requirements). If the heatsink temperature reaches above 85°C the thermal sensing circuitry will operate the Protect circuitry and mute each channels power section. Once the heatsink has cooled below 85°C the amplifier will automatically come out of protect mode DC fault protection If DC or excessive subsonic energy appears at a channel output, an instantaneous protection circuit will mute all channels of the amplifier. Input / Output protection An ultrasonic network decouples RF from the outputs and keeps the amplifier stable with reactive loads. VIA Amplifiers User Guide V1.0 24 ... -
Page 26: Operation
VIA Amplifiers USER GUIDE Operation Connect Power to the amplifier Connect a power source to the amplifier using a Neutrik PowerCon cable but do not switch the amplifier on until all input and output connections have been made. The amplifier in a system should always be the last device turned on and the first device turned off when shutting a system down. Connect all input and output cables. All speaker connections should be made with high quality speaker cable with a minimum cross‐sectional area of 2.5mm . For longer runs the conductor area should be increased to 4mm or 6mm for very long runs (up to 100m). The amplifier outputs are on Neutrik Speakon connectors, the other end of the speaker cable should have a connector to match the speaker. For installation products such as Martin Audio Adorn or CDD, the cable can be left with bare ends. Ideally tin these or use crimped bootlace ferrules to prevent stray strands accidently shorting the amplifier. The vast majority of portable loudspeakers also use Neutrik Speakon so a Speakon to Speakon cable can be used. Input cables should be balanced XLR using 3‐core cable with a shield. Most signal processing and mixing products also use XLR connections, so the cable can be a male to female XLR or “microphone” cable. Gain Controls In many cases where the system is familiar the gain controls can be left all the way up (fully clockwise). If there is any possibility of noise upstream of the amplifier it is advisable to turn the gain controls all the way down before powering the amplifier. The level can then be carefully turned back up to make sure that the system is clear of unwanted noises. This will ensure no sudden loud bursts of noise. In normal use the gain control should be used turned full up so that the amplifier gain is 32dB as specified. If the amplifier is being used in a system with several bands; sub, low and high frequency for example, the relative levels of each band should be adjusted within the system processor NOT by using the amplifier gains. System processor limiter settings depend on knowing the gain of the amplifier and the VIA amplifiers will only operate with a gain of 32dB as published with the gain control up fully clockwise. Power The system Turn all devices in the system on starting at the start of the signal chain and ending with the amplifier. If the gain controls on the amplifier were turned down as a safety measure as mentioned above, they should now be turned fully up. The system is now ready for use. You can use the amplifier gain controls as a temporary mute if required by turning them all the way down fully anticlockwise. ... -
Page 27: Bridge Mode
VIA Amplifiers USER GUIDE Bridge Mode The VIA2502 and VIA5004 allow bridge operation which uses two channels to give double the power into a single load. In this mode, only one set of controls is active per pair of amplifier channels since both of the amplifiers in the pair are driven with the same signals, as determined by the left‐hand (lower numbered) channel of the pair controls. Bridge Mode is enabled or disabled using the recessed switch on the rear panel for a given odd numbered Output. When enabled, the Bridge indicator will be illuminated between the bridged channels on the amplifier front panel. Note that the gain of a bridged pair of channels will be 6dB higher than a single channel so 38dB. This may impact on limiter settings and balance of levels in a system where some amplifier channels are bridged and others are in standard mode. ... -
Page 28: Protection Systems
VIA Amplifiers USER GUIDE Protection Systems Comprehensive protection features preserve the longevity of the loudspeaker and amplifier by continuously monitoring several critical parameters, and reducing the gain, or muting the amplifier either temporarily or permanently depending on the nature and seriousness of the fault or misuse. The amplifier will recover and restart if at all possible but may remain in shut down if a serious fault persists. Limiters deal with routine over‐driving of the amplifier, making sure that the driver(s) are not pushed too hard. The limiter indicator(s) will warn you when the driver is being driven into limit. Minor faults are dealt with by ‘dimming’ the amplifier, reducing the level to a sufficient degree and for a sufficient time that the amplifier is able to recover gracefully without any user interaction. When the fault condition has passed, the amplifier will recover automatically. More serious faults may cause the amplifier to mute while it recovers, after which it will automatically re‐energise, again without user interaction. If such a fault is found to be persistent however, the amplifier is shut down permanently. A power cycle by the ... -
Page 29: Technical Specifications
VIA Amplifiers USER GUIDE Technical Specifications General Total power Output VIA2502 VIA2004 VIA5002 VIA5004 2 Ohms 2 x 1250W N/A N/A 4 x 1250W 4 Ohms 2 x 800W 4 x 500W 2 x 2500W 4 x 800W 8 Ohms 2 x 450W 4 x 250W 2 x 1600W 4 x 450W Bridge mode 4 ohms 1 x 2500W N/A N/A 2 x 2500W Number of channels 2 4 2 ... -
Page 30: Technical Drawing
VIA Amplifiers USER GUIDE Technical Drawing VIA Amplifiers User Guide V1.0 29 ... -
Page 31: Warranty
VIA Amplifiers USER GUIDE Warranty Martin Audio VIA Amplifiers are warranted against manufacturing defects in materials or craftsmanship over a period of 1 year from the date of original purchase. During the warranty period Martin Audio will, at its discretion, either repair or replace products which prove to be defective provided that the product is returned in its original packaging, shipping prepaid, to an authorised Martin Audio service agent or distributor. Martin Audio Ltd. cannot be held responsible for defects caused by unauthorised modifications, improper use, negligence, exposure to inclement weather conditions, act of God or accident, or any use of this product that is not in accordance with the instructions provided by Martin Audio. Martin Audio is not liable for consequential damages. This warranty is exclusive and no other warranty is expressed or implied. This warranty does not affect your statutory rights. VIA Amplifiers User Guide V1.0 30 ... - Page 32 All information is copyright 2018 Martin Audio Ltd. Martin Audio, the Martin Audio logo and Hybrid are registered trademarks of Martin Audio Ltd. In the United Kingdom, United States And other countries, all other Martin Audio trademarks are the property of Martin Audio Ltd.
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