Yamaha T4N
Power Amplifier, 2 x 1150W @ 8 ohms per channel, 2 x 2200W @ 2 ohms per channel, with Onboard Networking via RJ45, Speakon Outputs

OUR PART #  T4N-YAMAHA

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The Tn series amplifiers are ruggedly designed to deliver optimum performance even under tortuous tour conditions, while offering sonic quality befitting a top-line model. The ability to stably drive load impedances as low as 2 ohms makes the Tn series amplifiers ideal for powering line-array systems on the road. A high-volume fan cooling system and comprehensive protection circuitry help to maintain high reliability, and power consumption has been reduced by 50% compared to conventional amplifiers thanks to Yamaha's high-efficiency EEEngine amplifier technology. Of course the Tn Series includes on-board networking capability for remote control and monitoring, aptly denoted by the "n" of Tn. Representing the culmination of 30 years of development and experience, Yamaha new amplifier for Touring with Network capability, the so called Tn series amplifiers are set to become the standard for a new generation of large-scale live sound systems.

Features

  • High power for tour applications: T4n = 2200W (stereo, 2ohms)
  • Extraordinary midrange and high end detail with solid, commanding bass.Exhaustive vibration-reduction measures have resulted in unprecedented soundquality
  • Stable 2-ohm drive capability is ideal for line array speaker systems
  • A durable exterior, large cooling fans and fan guards, easily replaceablefilters, and other reliability features help to deliver total dependabilityeven under demanding tour conditions
  • Original Yamaha EEEngine amp drive technology realizes a 50% reduction inpower consumption compared to conventional amplifiers
  • Remote amplifier control and monitoring via the Yamaha ACU-16C Amp ControlUnit
  • A variety of input terminals, removable handles, and other featuresformaximum installation and handling versatility

Solid Power for Any Application
In touring applications that require the ability to drive large numbers of speakers, amp drive capability and power become extremely important criteria. Furthermore, since the entire system has to be set up, taken down, and transported for every show, the total number of amps required, and their total weight, has a significant influence on manpower and cost. Tn series amplifiers are capable of driving line array or other large-scale speaker setups in systems that take up less space than ever before.

High Definition, Serious Impact
By applying the full gamut of technology, experience, and resources acquired through the development and production of industry-standard digital mixing consoles and signal processors, as well as extensive know-how gained through years of hall and installation system design, The Tn series amplifiers have been refined to unprecedented levels of performance and sound quality. Transparency across the entire audio spectrum is a basic requirement, but the Tn amplifiers go beyond the basics with extraordinary midrange presence and a low end that is huge and authoritative while maintaining maximum reproduction accuracy. This has been achieved not only through no-compromise parts selection and circuit design, but also through extensive vibration-reduction measures that effectively suppress internal vibration that can have a negative impact on sound quality. The heat sinks, for example, are solidly screwed to the chassis side panels at numerous points, but with special insulators that are designed to absorb vibration and chassis resonance that would otherwise interfere with optimum reproduction. The detailed work involved goes well beyond the normal definition of manufacturing and crosses over into the realm of craftsmanship.

Stable 2-ohm Drive Capability
Line array systems offer many benefits for large scale live sound applications, but because of the many speakers involved they normally need to be driven by a correspondingly large number of power amplifiers. The 2-ohm drive capability of the Tn series amplifiers easily drives multiple speakers in line array systems. And also Tn series is an excellent choice for driving multiple parallel-connected Yamaha Installation Series speakers as well as multiple parallel-connected monitor speakers allocated on the stage. In order to provide stable low-impedance drive capability the T-n amplifiers employ newly developed thin-film power transistors, and flat-wire power transformer windings to minimize heat loss. Many other details contribute, but the final result is totally stable drive capability down to 2 ohms.

Durability to Handle the Most Demanding Tours
Daily setup, take down, and transportation is an unavoidable part of the touring routine, and the Tn series amplifiers are built to take it all in their stride. A durable exterior resists dents and breakage, while dual high-volume cooling fans maintain stable operation under a wide range of ambient conditions. Large, tough fan guards prevent damage during transportation. Fan speed is automatically varied according to the current output power and the fans will stop when there is no signal input to minimize noise and maximize motor life. Dust filters at the fan intakes can be easily removed for cleaning. A comprehensive range of protection circuits is also provided: DC, muting, thermal protection, and an advanced output short sensing circuit (PC limiting) that contributes to reliable low-impedance drive capability. There's also a VHF protection circuit that will prevent damage to HF speaker units if input signals with frequencies higher than 20 kHz continue for more than a few seconds. All in all the Tn series amplifiers offer failsafe performance that will keep the show running night after night under even the severest conditions.

Ultra-efficient Yamaha EEEngine Amp Drive
Original Yamaha EEEngine technology reduces power consumption by approximately 50% compared to conventional amplifiers. Power supply quality and capacity are perennial obstacles in large-scale live sound systems, but the Tn series amplifiers' high power output with dramatically reduced power consumption goes a long way towards alleviating the problem. Reduced power consumption simultaneously achieves reduced heat generation, significantly increasing part life and reliability. Reduced heat generation further means that smaller, less-obtrusive cooling fans can be used, providing greater freedom for internal layout. That, in turn, translates into overall design that emphasizes sound quality rather than simply keeping the amp stable. In order to achieve stable 2-ohm drive capability the EEEngine circuitry in the Tn series amplifiers features a newly developed high-efficiency FET current buffer drive circuit. Only Yamaha can deliver this level of high efficiency and stability with low-impedance loads.

Advanced Networking Capability
The rear panels of the Tn series power amplifiers feature RJ45 connectors that allow connection to a Yamaha ACU-16C Amp Control Unit for remote status monitoring and control of parameters such as on/off switching, muting, and attenuation from a computer. Furthermore, warnings can be displayed when preset parameter limits are exceeded, and automatic logging contributes to easy, efficient troubleshooting. With an NHB32-C Network Hub/Bridge it also becomes possible to remotely control multiple units via a CobraNet™ network. In addition to the ACU-16C's amp control features, it can also function as a high-precision 16-channel DA converter, receiving 24-bit digital audio data over a CobraNet™ network.

Superior Handling through Extensive experience In the Field
The Tn series power amplifiers represent the culmination of over 30 years of know-how acquired through amp development and manufacture as well as feedback from professionals in the field. Details can make a huge difference in real-world handling … such as sturdy front-panel handles that, although indispensable for transporting and rack mounting, are removable for installation use. Also, Euroblock connectors are provided in addition to XLR connectors for full compatibility with installation wiring. The Euroblocks can also be used as link out connectors for flexible integration with the widest possible range of system needs.

Specifications

  • Output Power (1kHz, THD+N=1%):2200W @ 2 ohms per channel, 2050W @ 4 ohmsper channel, 1150W @ 8 ohms per channel, 4400W @ 4 ohms bridge, 4100W @ 8 ohms bridge
  • THD+N (20Hz-20kHz, Half Power RL-4 ohms, 8 ohms): 0.1%
  • Intermodulation Distortion (60Hz: 7kHz, 4:1, Half Power): 0.1%
  • Frequency Reponse (RL= 8ohms,Po=1W,HPF=OFF,20Hz-20kHz): MAX: 0dB, TYP:0dB, MIN: 6dB
  • Channel Separation (Half Power RL=8 ohms, 1kHz Att. max input 600 ohmsshunt): 70dB
  • Residual Noise Att, min (20Hz-20kHz, DIN AUDIO): -70dBu
  • Damping Factor (RL=8 ohms 1kHz): 800
  • Voltage Gain (Att. max): 26dB
  • Maximum Input Voltage: +24dBu
  • Input Impedance: 20kohms (balanced), 10kohms (unbalanced)
  • Controls, Front Panel: POWER switch (push on/push off), attenuator (31position) x 2
  • Controls, Rear Panel: MODE switch (STEREO/BRIDGE/PARALLEL) x 1; HPF switch(20Hz/OFF 12dB/oct) x 1; AMP ID switch (6PDIP) x 1
  • Connectors, Input: XLR-3-31 type/ch; Euroblock connector (balanced)/ch
  • Connectors, Output: SPEAKON/ch, 5-way binding post x 1
  • Connectors, Data Port: RJ45 x 2
  • Indicators: POWER/STANDBY x 1 (green/orange); REMOTE x 1 (green);PROTECTION x 1 (red); TEMP x 1 (red) heatsink temp >/=85 degrees C; SIGNALx 2 (green); MUTE x 2 (red); CLIP/LIMIT x 2 (red)
  • Load Protection: POWER switch on/off mute; DC-fault: power supplyshutdown/do not return automatically; Clip limiting: THD >/=0.5%
  • Power Supply Protection: Thermal: power supply shutdown (heatsink temp>/=100 degrees C) do not return
  • Cooling: Variable-speed fan: x 2
  • Power Requirements: 120V/60Hz
  • Dimensions (W x H x D): 480 x 88 x 456mm (2U)
  • Weight: 14 kg

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