Dynavox DA-30 BT Stereo Digital Amplifier with bluetooth DA-30 2×15 WRMS 4 Ohm & 2×10 WRMS 8 Ohm

Advanced original amplifier circuitry and elimination of signal loss—resulting in a truly
emotional and dynamic sound. This is a high-grade integrated amplifier that has inherited
the new sound of Yamaha in the pursuit of rich musicality..

• Floating and Balanced Power Amplifier with MOSFETs
• All-stage fully discrete construction, balanced transmission and low impedance design
• Superior quality electronic volume control for optimum sound
• Large capacity power supply unit delivers energetic, dynamic sound with fast response
• Symmetrical design in pursuit of ideal stereo reproduction
• Discretely configured phono amp
• Headphone amp with fully discrete configuration
• Level meters visually reflect the dynamics in the music
• Elegant design with luxurious real wood panels
• Original speaker terminals combine ease of use and beauty with high sound quality

Technical Specifications

Continuous power output, per channel, 8Ω

• Both channels driven, 8Ω,20Hz-20kHz, 0.2% THD - 200W
• Single, 4Ω, at 1kHz - 400W

Inputs

• Nominal sensitivity  for 200W / 8Ω - 1.15V (RCA), 2.3V (XLR)
• Input impedance - 10kΩ
• Frequency response 20Hz-20kHz +/- 0.05dB
• Signal/noise ratio (Awtd) 50W / 8Ω - 110dB

General

• Power consumption (standby) -

The 851W has class XD amplification at 200W into 8 Ohms in stereo mode or 500W RMS per amp in mono bridged mode, separate toroidal transformers for the power amp and input/other circuitry, and terrapin impedance buffering modules. All in all it\'s the best sounding amplifier we have ever made.

         Our proprietary Class XD amplification
        Separate toroidal transformers for power amp and input/other circuitry
        Our bespoke Terrapin impedance buffering modules – separating amplifier and signal impedance
        200W into 8 Ohms stereo mode or 500W RMS per amp mono bridged mode
        CAP5 protection from DC spikes, overheating and clipping
                All metal chassis with premium components
        Remote Control – Compatible with the entire 851 range

 Power output – stereo/mono    200W per channel into 8 Ohms
350W per channel into 4 Ohms
Power output – bridged mono    500W 8 Ohms
800W 4 Ohms
THD (unweighted)    < 0.001% 1 kHz
< 0.005% 20 Hz - 20 kHz
Frequency response    5Hz – 80kHz
S/N ratio (ref 1W / 8 Ohn)    >90dB (unweighted)
Sensitivity – stereo or mono    1.5V rms unbalanced
1.5 + 1.5V rms balanced
Sensitivity – bridged mono    0.775V rms unbalanced
0.775V + 0.775V rms balanced
Input impedances    Balanced input 38 kOhm
Unbalanced input 68 kOhm
Power amp damping factor    > 110 at 1 kHz
Max. power consumption    2400W
Standby power consumption    Standby

High rigidity metal frame
Shielded high current power supply
• 500VA toroidal transformer
• 80.000uF capacitor bank
• Rubber insulated aluminium feet
• WBT connector on unbalanced input
• Neutrik connector on balanced input
• Fully discrete analogue design
• Onsemi MJL1302/3281 power transistor
• Low overall feedback
• High stability on capacitive loads
• White Gold cable on output connection
• 100W/8Ohm power unit and double the
power on 4 Ohm until 390W on 2Ohm; a
big power reserve that allows to drive any loudspeakers even in a big room.

Power Output One Channel Driven :275 watts
Dimensions (Without Brackets, Including Feet) :17-1/16" W x 9-5/8" D x 3-11/16" H (43.34 cm W x 24.45 cm D x 9.37 cm H)
Weight | Metric :28 lbs | 12.70 kg
Dimensions (With Brackets, Feet Removed) :19-1/16" W x 9-5/8" D x 3-7/16" H (41.42 cm W x 24.45 cm D x 8.73 cm H)
Finish :Available in both silver and black
Power Output Two Channels Driven :230 watts each