PIONEER A-20-K 50W Stereo Amplifier with Direct Energy Design and Aluminium Panels (Black) 3 Years waranty

Discontinued

229.00 incl. GR VAT

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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 • […]

 

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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

Weight 5.00 kg

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Quick Comparison

PIONEER A-20-K 50W Stereo Amplifier with Direct Energy Design and Aluminium Panels (Black) 3 Years waranty removeYAMAHA A-S201 (S) Integrated Amplifier removeYAMAHA A-S301 (B) AMPLIFIER removeCAMBRIDGE AUDIO 851A HI-FI AMPLIFIER 120W 8 Ohms 200W 4 Ohms removeHARMAN KARDON HK3700 (Black) removeLYRIC AUDIO TI 120 signature M TUBE AMPLIFIER remove
NamePIONEER A-20-K 50W Stereo Amplifier with Direct Energy Design and Aluminium Panels (Black) 3 Years waranty removeYAMAHA A-S201 (S) Integrated Amplifier removeYAMAHA A-S301 (B) AMPLIFIER removeCAMBRIDGE AUDIO 851A HI-FI AMPLIFIER 120W 8 Ohms 200W 4 Ohms removeHARMAN KARDON HK3700 (Black) removeLYRIC AUDIO TI 120 signature M TUBE AMPLIFIER remove
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SKUA20KS000.30899S000.30902851AHK3700TI 120 signature M
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Price 229.00 incl. GR VAT 266.00 incl. GR VAT 398.00 incl. GR VAT 1,899.00 incl. GR VAT482.88 incl. GR VAT 3,112.59 incl. GR VAT
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Description
Content

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

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


Audio Connectivity Features
Analog Audio Input (Rear)5
Phono Input1
FM Tuner Features
Frequency Range MHz87.5 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 @ 1kHz40 dB
Selectivity ±400kHz70 dB
AM Tuner Specifications
Frequency Range kHz520 kHz
Signal-to-Noise Ratio38 dB
Usable Sensitivity (Loop)500 μV
Selectivity(±10 kHz): 30 dB
Distortion(1 kHz, 50% mod): 1.0%
General Specifications
Power Requirement120V 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
 

 

 

Integrated Amplifier

Frequency response:

10 Hz - 50 kHz (± 0.5 dB)

Total harmonic distortion (THD):

1 % (1 kHz)

Signal-to-noise ratio:

92 dB

Input Impedance:

100 kOhm

 

 

Vacuum tube:

4x KT88/EL34, 2x 12AU7, 2x 12AX7, 2x 6SN7

Dimensions W x H x D:

440 x 220 x 390 mm

Weight:

28 kg

Accessories:

Remote Control

Input Terminals:

Tape, CD, AUX, Tuner

Output terminals:

Tape out

Circiut:

Class A/B P.P.

Colour:

Chassis chrome, transformer black

Colour front:

black, silver

Sensitivity

590 mV

Output Impedance:

4 Ohm, 8 Ohm

Power Output:

2 x 70 Watt @ 1 % THD

Consumption:

max. 380 Watt

Highlights

switchable reduction of feedback

 

Weight5.00 kg6.70 kg9.00 kg8.40 kg5.00 kg28.00 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 5.00 kg
Weight 6.70 kg
Weight 9.00 kg
Weight 8.40 kg
Weight 5.00 kg
Weight 28.00 kg