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Main Features
Output Power per Channel50W
Impedance at Output Level• 4 Ω - 16 Ω (A / B)
• 8 Ω - 32 Ω (A + B)
• 4 Ω - 16 Ω (Bi-wiring)
Number of Channels2
Input Connections• SACD/CD
• Phono (MM)
• Aux
• Network
• Recorder
• Tuner
Output Connections• Recorder
• Phones
Remote ControlYes
Input & Output connections
HeadphoneYes
Large speaker terminalsYes
Phono InputYes
Speaker A/BYes
Audio Features
Bass/Treble Tone ControlsYes
'DIRECT' SwitchYes
Loudness (+)Yes
MutingYes
Source DirectYes
Power Output
Power output per channel50 W
Condition20 Hz - 20 kHz, 4Ω, 0.1 % КНИ
Rated Power Output50 W per channel
Power RequirementsAC 220 - 230 В / 50 Гц
Power Consumption (in use / standby)135 W / 0.30 W
Auto Power DownYes
Construction
Direct Construction (+)Yes
Design- Direct Energy Design Amp
- Symmetrical Power Amp
- Clean Ground Construction
- Isolated Power Supply
- Source Direct Mode
- Trans-Stabiliser
- Speaker A, B, A+B Selector
- Aluminium Panels
- Auto Power Down
Amplifier Specifications
Dimensions (W x H x D)435 x 128 x 360 mm
Weight7.2 kg
| High sound quality and sophisticated design based on Yamahaʼs rich experience and high-end model concepts. A HiFi Amplifi er for enjoying excellent sound.
- Yamaha high sound quality, created by rich experience and tradition, and high technological expertise
- Pure Direct Mode for greater sound purity
- Simple and sophisticated design
- Phono MM terminal for vinyl playback
- Screw-type speaker terminals
- Speaker selector and speaker terminals for two systems
- Simple design remote control
- Head phone terminal
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Designed for excellent sound quality, with a beautiful appearance.
An integrated amplifier with the advantage of digital input.
ToP-ART (Total Purity Audio Reproduction Technology) and high quality parts
- I/O (input to output) Direct Symmetrical Design
- ART (Anti-Resolution and Tough) Base
- Custom-made power transformer / 6,800uF block capacitors / Aluminum-extruded heat sinks
95W x 2 (max), 60W x 2 (RMS) high power output
Pure Direct Mode for Greater Sound Purity
Continuous Variable Loudness Control
Digital audio inputs for TV or Blu-ray Player
Connection for YBA-11 Bluetooth Wireless Adapter
Simple yet sophisticated design (aluminium front panel and knobs)
Auto Power Standby |
Class XD™ amplification designed to eliminate crossover distortion at low signal levels New balanced volume topology controllable in 1dB steps, giving very fine control, and superbly accurate channel balance Audiophile grade oversize toroidal transformer and substantial extruded heatsink allowing 2 x 120 Watts RMS into 8 Ohms or 2 x 200W into 4 ohms. Separate transformer taps for left and right channels, twin rectifiers and separate PSUs for dual mono operation of the left and right power amplifiers A separate toroidal transformer supplies the preamp making the 851A effectively a Pre and Power amp combination in one box CAP5 protection technology for trouble free operation Acoustically damped full metal chassis with thick brushed aluminium front panel Customisable front panel display Balanced and unbalanced analogue audio inputs for superior connectivity RS232 controllable Eco-friendly Available in black and silver finishes
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Audio Connectivity Features | Analog Audio Input (Rear) | 5 | Phono Input | 1 | FM Tuner Features | Frequency Range MHz | 87.5 MHz | Usable Sensitivity (IHF) | 1.3 μV/13.2 dBf | Signal-to-Noise Ratio (Mono/Stereo) | 70 dB/68 dB | Distortion (Mono/Stereo) | 0.2%/0.3% | Stereo Separation @ 1kHz | 40 dB | Selectivity ±400kHz | 70 dB | AM Tuner Specifications | Frequency Range kHz | 520 kHz | Signal-to-Noise Ratio | 38 dB | Usable Sensitivity (Loop) | 500 μV | Selectivity | (±10 kHz): 30 dB | Distortion | (1 kHz, 50% mod): 1.0% | General Specifications | Power Requirement | 120V AC, 60Hz (USA); 220V – 240V AC, 50Hz/60Hz (EU) | Power Consumption (full power/idle) | 310W maximum, | Dimensions (H x W x D – Metric/English) | 121 mm x 440 mm x 300 mm | |
Ti 120 SIGN.
Special power and output transformer
from BHS uk and Mundof M-Cap
signal capasitors
Integrated tube amp.Four line inputs.
2X12AU7, 4x KT 88, 2x12AX7
2x6SN7 75 Wrms per chan.4-8 ohm.
Class AB push-pull.Remote control inc.
Negative feedback on/of switch.
echnical specification
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Integrated Amplifier
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Frequency response:
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10 Hz - 50 kHz (± 0.5 dB)
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Total harmonic distortion (THD):
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1 % (1 kHz)
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Signal-to-noise ratio:
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92 dB
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Input Impedance:
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100 kOhm
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Vacuum tube:
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4x KT88/EL34, 2x 12AU7, 2x 12AX7, 2x 6SN7
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Dimensions W x H x D:
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440 x 220 x 390 mm
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Weight:
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28 kg
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Accessories:
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Remote Control
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Input Terminals:
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Tape, CD, AUX, Tuner
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Output terminals:
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Tape out
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Circiut:
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Class A/B P.P.
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Colour:
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Chassis chrome, transformer black
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Colour front:
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black, silver
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Sensitivity
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590 mV
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Output Impedance:
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4 Ohm, 8 Ohm
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Power Output:
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2 x 70 Watt @ 1 % THD
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Consumption:
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max. 380 Watt
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Highlights
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switchable reduction of feedback
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