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ATC SIA2-100 Integrated Amplifier
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ATC SIA2-100 Integrated AmplifierATC SIA2-100 Integrated AmplifierATC SIA2-100 Integrated Amplifier

ATC SIA2-100 Integrated Amplifier

Available to buy and collect in-store only or call to arrange demonstration on 01733 350878.

£2,495.00    
£2,079.17 Exc. VAT |  
  

|
  

Available to pre-order now. Shipping April 2019.

ATC SIA2-100 Integrated Amplifier

ATC SIA2-100 Integrated Amplifier is compact at 2/3 width yet delivers high output power and excellent resolution with an integrated DAC suited to driving small to medium speakers and styling that assures seamless integration with other equipment.

ATC Legacy

SIA2-100 is the newest addition to ATC’s formidable range of top-performance audio electronics and speaker systems made for studio and hi-fi purposes.

One-box Design

SIA2-100 is built to partner the CD2 as a compact separates system and passive stereo loudspeakers. The versatile one-box design for DAC and pre/power amplification has the capability to generate 2 x 100W.

Noise Reduction

SIA2-100 works hard to prevent noise and distortion. The power amps use ATC’s circuit topology that has been refined over the past three decades. Lateral Mosfets in a mutual source structure provide lowest distortion with a broad frequency response. A peak limiter shields the drivers in case of an overdrive. Intermodulation and cross-talk defects are reduced due to discrete power supplies for the pre and power amp sections.

Discrete Design

ATC’s discrete analogue principle and local PS regulators provide maximum functional platform for the SIA2-100’s on-board AKM DAC and USB receiver. The USB input processes PCM sample rates from 44.1 to 384 kHz, while also decoding DSD sources at single rate DSD64 and double rate DSD128. Distortion measures on all inputs are below 0.001%.

Connectivity

SIA2-100 has two pairs of stereo line inputs on RCA phono sockets with a 3.5mm jack socket on the front, a digital SPDIF optical Toslink and coaxial input on an RCA phono socket and USB B input. There is also a pair of stereo power amp outputs on 4mm binding posts and headphone output on a 6.35mm jack socket.

Control

Select input via a push button on the front panel and adjust output volume via a precision Alps potentiometer. Each function on the SIA2-100 is duplicated on the ATC remote control handset supplied. The SIA2-100 chassis is built to be sturdy, rigid and well damped with precision-cut 12mm aluminium front panels finished in brushed and anodised ‘titanium’ silver.

Headphone Amplifier

The SIA2-100 hosts a headphone amplifier and a 3.5mm aux input with greater sensitivity, more suited to connecting with portable audio devices. Both circuits are designed for lowest noise and distortion levels. The headphone amplifier is inclined in class A and can drive a range of 32 to 600 ohms headphones.

Key Features

  • Dual line-level analogue inputs
  • Three digital inputs: USB, Coaxial, TOSLINK
  • Premium AKM 32-bit DAC
  • Supports up to 384kHz PCM and native DSD256 (or DSD128 via Mac) 
  • ATC Discrete MOSFET Output Stage with 100W/Ch
  • Headphone amp featuring discrete output stage.
  • Handmade in England

Max. Power Output: 100W (Continuous Av. 8 Ohms, 1kHz, both channels driven)
Line Inputs: Two, stereo (one with additional front panel 3.5mm jack)
Line Input Sensitivity: 500mV
Input Impedance: 13k8 Ohms
Line Outputs: One, stereo
Overload Capacity: 13dB
Line Output Impedance: 10 Ohms
Frequency Response: < 2Hz – > 250kHz (@ -3dB)
Total Harmonic Distortion: 1kHz <0.0015% (-96dB), 10kHz <0.002% (-90dB)
Crosstalk: >80dB (10Hz – 20kHz)
S+N/N Ratio: > 96dB (Wide band), > 108dB (DIN), > 112dB (IEC “A”)

SIA2-100 Digital Inputs – Coaxial & Optical

Distortion: 1kHz <0.0015% (-96dB ), 10kHz <0.005% (-86dB)
Frequency Response: 20Hz – 20kHz (+/- 0.1dB)
S+N/N Ratio: >100dB (IEC “A”)
Word Lengths Supported: 16 – 24 Bit
Sample Rates Supported: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 192kHz *
* 192kHz supported via coaxial input only

SIA2-100 Digital Inputs – USB (PCM)

Distortion: 1kHz <0.0015% (-96dB ), 10kHz <0.005% (-86dB)
Frequency Response: 20Hz – 50kHz (+/- 0.1dB)
S+N/N Ratio: >100dB (IEC “A”)
Word Lengths Supported: 16 – 32 Bit
Sample Rates Supported: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96.0kHz, 176.4kHz, 192.0kHz, 352.8kHz, 384.0kHz

SIA2-100 Digital Inputs – USB (DSD)

Frequency Response: 10Hz – 50kHz (+/- 0.1dB)
S+N/N Ratio: >100dB (IEC “A”)
DSD Rates Supported: Windows DSD64, DSD128, and DSD256, MAC OS DSD64 and DSD128

SIA2-100 Mains Power

Voltage: 115/230V AC 50/60Hz (internally selectable). 100v AC via dedicated transformer. Mains voltage selection is to be carried out by ATC only.
Maximum Power Consumption: 400W
SIA2-100 Physical
Dimensions: 113 x 315 x 315mm / 4.4 x 12.4 x 12.4" - Dimensions exclude rear panel connectors. Take care to leave space behind the unit for connectors and cables.
Weight: 9.70kg/24.39lbs

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