892526702

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6632457

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Tel: 01403 336339

Or: 07901 833128

audiologica@btinternet.com

www.audiologica.co.uk

Audiologica Ltd

30 Finians Field

Barns Green

Horsham

West Sussex

RH13 0PW

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Sales and Service

mail: audiologica@btinternet.com

+ 44 (0) 1403 336 339

Powerful integrated digital amp with Bluetooth receiver DDA120 was developed for one simple purpose: To allow you to enjoy music from any source in fantastic quality. Its diminutive size and elegant styling conceal a sophisticated amplifier capable of extracting every last detail and nuance from your music collection. The DDA120 builds on the success of its predecessor the critically acclaimed, multi award winning DDA100.


Key Features



Digital purity


Free your digital music collection - play music from your smart phone or tablet wirelessly via Bluetooth or use any of the four digital connections to connect your digital devices. The minimalist Direct Digital architecture maintains the purity of your digital music - resulting in a perfectly transparent, dynamic and exquisitely detailed sound.

Analogue integrity


Whether it is your vinyl collection, FM tuner or other devices - your analogue music is treated with respect. Using an ultra-high quality conversion process it follows the same minimalist processing as your digital music and so maintains its original distinctive character.

Power and control


The DDA120 will drive hi-fi speakers with ease. The generous power available is used to effortlessly control your speakers with astounding precision ensuring you hear the recording exactly as the artist intended.

Tech Info


For the very highest wireless Bluetooth sound quality the DDA120 supports aptX and AAC.


AptX allows music signal to be sent wirelessly in significantly higher quality than that available from standard Bluetooth. Standard Bluetooth codec (SBC) has variable performance and its weaknesses are very apparent to music lovers including a reduction in high end clarity, muddiness or dullness. The aptX codec works to ensure consistently excellent quality when music data is transferred wirelessly via Bluetooth connection with almost CD quality. Your will instantly experience significantly greater dynamics and infinitely more detail from the music.


AAC (Advanced Audio Coding) was designed to achieve better sound quality than MP3 at similar bit rates. Unlike aptX, it is supported by iOS devices. Apple implements AAC over Bluetooth at about 250 kbps - near CD quality.


Using the innovative Direct Digital architecture for digital inputs there are no analogue stages in the signal path, keeping music in the digital domain right up to the amplifier speaker outputs. There is no separate DAC, pre-amp or power amp stages. The PWM power amplifier stage is modulated directly by the incoming signal, and the digital-to-analogue conversion takes place at the speaker outputs. In effect, the PWM power amplifier stage operates as a power DAC. Fewer component parts and less conversion processes result in a more direct, purer signal path. The Direct Digital Architecture utilises a 176.4 kHz input sampling rate with an over-sampling rate of 3GB/s for smoother, more natural reproduction. An on-chip clock reference signal is used for synchronising and re-clocking incoming digital audio data for exceptionally low jitter performance.


Analogue inputs are sampled using a 24-bit, 96 kHz conversion process before being fed into the Direct Digital architecture.


The amplifier delivers 75Wrms into 4 Ohms with a remarkably linear frequency and phase response of +/- 0.1dB from 20 to 20kHz, and a THD+N of 0.07% with an A-weighted signal-to-noise ratio of greater than 95dB.

Optoma Nuforce DDA120

Product Description:  Optoma NuForce DDA-120 Black Digital Integrated Amplifier

Power Output:  50W per channel (8Ohm) 75W per channel (4Ohm)

Peak Power Output:  250W per channel

Connector Type:  Output 5 way speakers binding posts

Maximum sampling rate : 176.4

Native bit rate:  16,24

Bit Resolution:  24bits

Gain:  Digital 11.625dB, Analogue 31dB

USB sampling rates:  44.1,48,96kHz

Frequency Response:  20Hz-20kHz, +/- 0.1dB

SPDIF sampling rates:  44.1,48, 88.2, 96, 176.4kHz

Sensitivity:  Digital 0dB input, Analogue .047Vrms

Connections input:  Analogue RCA, USB2.0-B, S/PDIF coaxial 75Ohm, 2xToslink, 1xUSB-A expansion For BT receiver

Connections output:  Toslink, 5 ways speakers posts L+R

Power Supply:  90-264V~ 50/60Hz 2.5A

Compatibility:  Supported HD audio 176.4/24

Dimensions (W x D x H) (mm)  241 x 216 x 51mm

Optoma Nuforce DDA120