Accuphase C-2900 Precision Stereo Preamplifier
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Country of Origin: Japan
Warranty: 1 Years
The new Accuphase C-2900 Precision Stereo Preamplifier is a preamplifier that is almost at the top of this product group of the Japanese high-end HiFi manufacturer Accuphase Laboratory Inc.
The Japanese promise a solution that is positioned directly below the reference preamplifier Accuphase C-3000 Precision Stereo Preamplifier, and from which it takes over many features through technology transfer.
Accuphase C-2850 Precision Stereo Preamplifier – Versatility Top Priority
It is a well-known fact that a preamplifier has the central role of acting as an interface for the various source devices in a hi-fi chain. In this respect, the new preamplifier from Accuphase Laboratory Inc. is extremely versatile, because hardly any user will actually be able to use the connections offered here.
The back of the Accuphase C-2900 Precision Stereo Preamplifier is littered with connections, both in unbalanced form as a pair of RCA sockets and in balanced form as XLR.
The new Accuphase C-2900 Precision Stereo Preamplifier is also well-equipped for integrating other devices, such as outputs for processors, tape decks and, of course, power amplifiers or active loudspeaker systems.
In short, there is hardly a scenario that cannot be realised with the new Accuphase C-2900 Precision Stereo Preamplifier.
Optional Phono Preamplifier – Accuphase AD-2900 Phono Equalizer Expansion Unit
Some will be a little surprised to learn that no phono preamplifier is provided ex works. As with the predecessor, an optional solution is provided in the form of the Accuphase AD-2900 Phono Equalizer Expansion Unit. This, however, provides a truly outstanding phono preamplifier that hardly needs to shy away from a comparison with explicit specialists. Of course, it is designed for both MM and MC cartridges and offers all options for individual adjustment. This can be done directly via the front panel of the preamplifier.
Integrated headphone amplifier
An integrated headphone amplifier is part of the basic equipment of the new Accuphase C-2900 Precision Stereo Preamplifier, and again, this is a particularly high-quality, discrete tool that can effortlessly drive a wide range of headphone models, making the purchase of a separate specialist for this task obsolete.
Technology transfer from the top model
As mentioned in the introduction, Accuphase Laboratory Inc. has also opted for a technology transfer within its own product range for the new Accuphase C-2900 Precision Stereo Preamplifier, this preamplifier thus features some distinctive characteristics of the top model Accuphase C3900 Precision Stereo Preamplifier.
The new Accuphase C-2900 Precision Stereo Preamplifier is also based on a discrete input stage with current feedback and a high amplification factor.
A very important feature, however, is the so-called AAVA design. AAVA stands for Accuphase Analog Vari-gain Amplifier Technology and describes the concept used here for volume control, which according to Accuphase Laboratory Inc. is virtually essential for the overall quality of an amplifier. This is where a preamplifier is elevated to a completely different level compared to other concepts.
AAVA was first used in the Accuphase C-2800 Precision Stereo Preamplifier and has been continuously improved ever since.
- Dual Balanced AAVA volume control
- High-gain discrete current feedback type input amplifier
- ANCC technology minimizes noise and distortion
- Newly developed volume sensor construction
- Separate toroidal power transformers for left and right
- Newly developed filtering capacitors
- Separate unit amplifiers for left and right
- Printed circuit boards using glass cloth fluorocarbon resin
- Wood cabinet with natural grain finish
- High-performance headphone amplifier
|Frequency response||BALANCED / LINE INPUT 3 – 200,000 Hz +0 –3.0 dB 20 – 20,000 Hz +0 –0.2 dB ★AD INPUT MM / 40 dB, MC 20 – 20,000 Hz ±0.2 dB MM / 34 dB 20 – 20,000 Hz ±0.3 dB|
|Total harmonic||distortion 20 – 20,000 Hz At rated|
|output||All input connectors 0.005% Input sensitivity, Input impedance Input connector Input sensitivity Input impedance At rated output For 0.5 V output BALANCED 252 mV 63 mV 40 kilohms (20 kilohms / 20 kilohms) LINE 252 mV 63 mV 20 kilohms ★AD: MM / 34 dB 5.0 mV 1.26 mV 47 kilohms ★AD: MM / 40 dB 2.5 mV 0.63 mV 47 kilohms ★AD: MC / 64 dB 0.16 mV 0.04 mV 10 / 30 / 100 / 200 / 300 ohms ★AD: MC / 70 dB 0.08 mV 0.02 mV 10 / 30 / 100 / 200 / 300 ohms|
|Rated output voltage||Output impedance BALANCED / LINE OUTPUT 2 V 50 ohms ★RECORDER REC (at AD input) 252 mV 50 ohms S/N ratio, Inputconverted noise|
|Input connector||Input shorted (A weighting) S/N ratio (EIA) S/N ratio at rated output Input-converted noise BALANCED / LINE 113 dB –125 dBV 110 dB ★AD: MM / 34 dB 91 dB –137 dBV 85 dB ★AD: MM / 40 dB 85 dB –137 dBV 85 dB ★AD: MC / 64 dB 79 dB –155 dBV 85 dB ★AD: MC / 70 dB 73 dB –155 dBV 85 dB|
|Max. output level||BALANCED / LINE OUTPUT 7.0 V (Distortion: 0.005 %, 1 kHz) RECORDER REC (at AD input) 6.0 V|
|Max. input||voltage BALANCED / LINE INPUT 6.0 V (Distortion: 0.005 %, 1 kHz) ★AD MM / 34 dB INPUT 190 mV ★AD MM / 40 dB INPUT 95 mV ★AD MC / 64 dB INPUT 6.0 mV ★AD MC / 70 dB INPUT 3.0 mV|
|Minimum load||impedance BALANCED / LINE OUTPUT 600 ohms RECORDER REC 10 kilohms|
|Crosstalk||–80 dB / 10 kHz|
|Gain (Gain switching: 18 dB)||* ±6 dB GAIN switching possible for all modes except REC OUTPUT INPUT OUTPUT Gain BALANCED / LINE BALANCED / LINE 18 dB BALANCED / LINE RECORDER REC 0 dB ★AD MM: 34 / 40 dB BALANCED / LINE 52 / 58 dB ★AD MM: 34 / 40 dB RECORDER REC 34 / 40 dB ★AD MC: 64 / 70 dB BALANCED / LINE 82 / 88 dB ★AD MC: 64 / 70 dB RECORDER REC 64 / 70 dB|
|Loudness||compensation 1: +2 dB (100 Hz), 2: +4 dB (100 Hz), 3: +6.5 dB (100 Hz) 6XEVRQLF¿OWHU 10 Hz –18 dB/octave|
|Headphone jack||Suitable impedance 8 ohms or higher Output level 2 V (40 ohms)|
|Level switching LOW||-10dB, HIGH:+10dB from standard MID level|
|Power requirements||120 V, 220 V, 230 V AC (voltage as indicated on rear panel) 50 / 60 Hz Power consumption 31 W [With AD-2900 expansion: 35 W]|
|Maximum dimensions||Width 477 mm (18.78") × Height 156 mm (6.14") × Depth 412 mm (16.22") [With AD-2900 expansion: Depth 414 mm (16.23")]|
|Mass||Net 24.2 kg (53.4 lbs) [With AD-2900 expansion: 25.1 kg (55.3 lbs)] In shipping carton 31 kg (69 lbs)|
Question & Answer
Setting up your system is fairly simple. You can follow the instructions in the video below or navigate through the product manual available at the bottom of this page. If you still face issues, feel free to connect with our expert team on chat or call.