Yamaha TX6n Технические характеристики - Страница 3

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Superlative Power Performance Combined

with Cutting-edge DSP and Unrivalled Flexibility

Always maintaining headroom - Stable operation at 2 ohms

When speakers are connected in parallel, often the case with subwoofers or line

arrays, stability at lower impedance becomes extremely important. The actual

impedance curve of a speaker unit is complex and its load varies greatly

depending on frequency. The actual impedance of a speaker is often lower than

its nominal impedance under certain frequencies, putting excessive stress on

the amplifier especially if multiple speakers are connected in parallel. The TXn

Dual-mono Configuration with Independent Power Supplies

The TXn amplifiers feature a dual mono configuration: the mono amplifiers

are arranged symmetrically on each side of the chassis, each with its own

independent power supply. This configuration effectively eliminates

performance-degrading interference between channels while maintaining

optimum separation and superior definition under all operating conditions

EEEngine Efficiency

Original Yamaha EEEngine technology reduces power consumption by

approximately 50% compared to conventional amplifiers while maintaining

full Class AB reproduction quality and fast response. Power mains quality and

capacity become significant issues in large-scale live sound systems, but the

ability of the TXn series amplifiers to deliver high power output with

dramatically reduced power consumption goes a long way towards alleviating

series are designed to perform with ease even under demanding low impedance

conditions, always maintaining top quality performance. Some of the many

refinements implemented to provide stable low-impedance drive capability

include 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 two ohms.

and with all types of source material. Sudden high power demands in one

channel will not affect the performance of the other, for example. The two

power supplies operate in opposing phases to cancel noise while minimizing

electromagnetic interference.

TX6n internal layout

Ethernet device

Class AB power amplifier

EEEngine high speed voltage buffer

EEEngine high speed current buffer

MY card slot

Precision current sensor(load monitor)

200V primary capacitor

DSP7+SharcDSP

Transformer

250V secondary capacitor

LCD 0.5dB step attenuator

: Mono Amp x 2 = Dual Mono Amp structure

the problem. In addition to less susceptibility to imperfect mains supplies,

lower power consumption also achieves reduced heat generation, significantly

increasing part life and reliability. In order to achieve stable 2-ohm drive

capability the EEEngine circuitry in the TXn 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.

Versatile Onboard DSP

On top of the outstanding basic performance offered by the TXn series power

amps, they are equipped with some of the most advanced and flexible DSP

(Digital Signal Processing) capabilities available. Yamaha is an acknowledged

leader in the field of digital signal processing, and the full weight of that

technology has been brought to bear in these cutting-edge power amplifiers. All

three TXn models incorporate advanced 24-bit 96-kHz DSP capability that

employs Yamaha's own DSP7 LSI (the same LSI that provides the processing

power for Yamaha's industry-standard digital mixing consoles) as well as

powerful SHARC processing technology. In addition to outstanding sound quality

and low latency, an extraordinary selection of control and processing

DSP Features and Functions

The chart below lists most of the monitoring, control, and processing functions

provided by the TXn series amplifiers. Unless otherwise noted these functions

can be accessed directly via the amplifier's own display and controls. The

Amplifier Control & Settings

Input Routing and Processing

Input Attenuator

(0.5 dB steps)

Input Card Routing

Gain/Sensitivity

(0.1 dB steps)

Mute

Input Type:

Polarity

• Card Slot

Level

(AES/EBU, EtherSound*, CobraNet*, Analog*)

4-in/4-out Matrix Mixer

* Optional MY card required.

Polarity

Signal redundancy:

• Card slot with analog backup

(8 Bands per Input Channel)

• Card slot with analog override

• 6-band Parametric EQ

Amplifier Mode:

• 2-band Selectable EQ (PEQ, Low/High Shelving, LPF/HPF)

• Stereo •Bridge • Parallel

Delay:

Input Mixer

Up to 1300 milliseconds in 0.01 millisecond increments (1 sample,

Attenuator Link and Limits

0.1 meter, or 0.1 feet steps selectable via NetworkAmp Manager II).

Selectable Metering

Oscillator:

• Pink Noise • Burst Noise

• Variable Frequency Sine Wave

Polarity

4-in/2-out Matrix Mixer

capabilities are provided, ranging from basic amplifier settings through input

and speaker processing to comprehensive status monitoring. The built-in input

and speaker processing capabilities are so extensive and powerful, in fact, that

external processors will be unnecessary in many applications. The onboard DSP

parameters and functions can be accessed directly through the LCD and button

interface provided on the front panel of the amplifier, or via Yamaha's

NetworkAmp Manager II software running on a computer connected via

Ethernet. NetworkAmp Manager II control provides additional advantages and

capabilities for controlling large systems that employ numerous amplifiers

(NetworkAmp Manager II is discussed in more detail on the following page).

NetworkAmp Manager II software described on the following page offers more

comprehensive displays and easier control, as well as centralized management

of entire multi-amplifier systems.

NetworkAmp Manager II Screen view

Speaker Processing

DSP/CPU-based Protection

Level, Mute

Switchable Clip Limiter

Polarity

Voltage Limiter

Crossover (LPF/HPF):

Power Limiter

• 6 dB/Oct • Adjustable Fc Gain* • Bessel*

Overheat Limiter

• Butterworth • Linkwitz-Riley*

Low Impedance/Short Circuit Mute

Delay:

(10-sec. reset)

Up to 500 milliseconds in 0.01

millisecond increments (1 sample, 0.1 meter, or

Output DC Mute

0.1 feet steps selectable via NetworkAmp Manager II).

VHF Limiter

EQ (6 Bands per Output Channel):

Current Limiter

• PEQ • Low/High Shelving (6 or 12 dB/Oct)

• All Pass (for phase matching) • Horn EQ

Security

Limiter

Password Lockout of Display and

Speaker Library:

• Yamaha speaker libraries pre-installed

Mute Button

• Other libraries can be loaded as required

• Edit security provided

12, 18, 24, 36, or 48 dB/Oct