Audio Research DAC9

13290 €

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Digital that sounds like analog

Digital advances quickly and Audio Research continues to stay at the performance forefront.

Our perspective and love for analog reproduction helps make our digital components sound superior musically. The DAC9 is a vacuum-tube analog section combined with the latest digital design, capable of decoding DSD music files and PCM files up to 384kHz.

Selectable digital filters & quad D-A converters

Audio Research designed two separate data paths to the DAC9’s D-A converters: one for PCM files, and another to handle serial DSD files at 1x and 2x DSD clock rates. This assures proper integer decoding eliminating interpolation distortion errors that degrade sonic purity. Native sample-rate upsampling is available for all inputs, up to 384kHz for non-DSD (PCM) music files.

Selectable digital filters are available for customization. An asynchronous USB input, along with four galvanically isolated SPDIF inputs, assures all of your digital sources will integrate with the DAC9. We pioneered using quad D-A converters, with each channel using dual stereo DACs running in mono to increase dynamic range and lower the noise floor.

The digital side mates to a vacuum-tube analog section that uses a pair of 6H30 dual triode tubes. The DAC9 is a balanced design with a Class-A, zero feedback analog section with no capacitive coupling.

Like other products that have preceded it, the DAC9 combines remarkable resolution with relaxed musicality. Audio Research’s sonic legacy—clarity, dynamics, dimensionality, and musical authority—are obvious and thoroughly engaging.

After more than 50 years, our focus remains the advancement of the state-of-the-art in music reproduction. Every component is meticulously hand-crafted and personally auditioned befor it leaves our Minnesota facility.

Our attention to detail, customer service, and product support create unprecedented value. An Audio Research component is more than a purchase, it is an investment.

SPECIFICATIONS

DAC architecture	Quad D‑A converters (each channel driven by dual stereo DACs in mono)
Tube complement	2 × 6H30 dual triodes (tube analog stage)
Frequency response	±0.15 dB: 20 Hz – 20 kHz · ±3.0 dB: 6 Hz – 192 kHz
THD + Noise	< 0.002 % at 2 V RMS @ 1 kHz (balanced)
Signal‑to‑Noise Ratio (S/N)	> 114 dB
Intermodulation Noise (IMD)	0.001 % (SMPTE ratio)
Channel separation	107 dB
Intrinsic jitter	< 10 ps
DAC resolution	24‑bit
Digital filters	Selectable Fast or Slow filter algorithms
Upsampling	All inputs upsample to 384 kHz
Digital inputs	USB2.0HS (44.1 kHz – 384 kHz, DSD/DSD512) · RCA S/PDIF (44.1 – 192 kHz) · BNC S/PDIF (44.1 – 192 kHz) · XLR AES/EBU (44.1 – 192 kHz) · Toslink (44.1 – 96 kHz)
Analog outputs	Balanced (XLR) · Single‑ended (RCA)
Rated outputs	3.8 V RMS max (balanced) · 1.9 V RMS max (SE) @ 0 dB input
Output impedance	500 Ω (balanced) · 250 Ω (single‑ended)
Power supplies	Electronically regulated low and high voltage supplies · line regulation < 0.01 %
Noise	~‑103 dB
Controls	Power, Menu, Option, Enter, Input, Mute push buttons
Power requirements	100‑125 VAC 60 Hz / 200‑250 VAC 50/60 Hz · ~60 W max
Standby power	< 2 W
Dimensions (W × H × D)	19″ (48 cm) × 7″ (17.8 cm) × 15.5″ (39.4 cm)
Net weight	~14.6 kg (32 lbs)
Shipping weight	~19.8 kg (43.2 lbs)