Ooberpad

Accuphase C-2850 Precision Stereo Preamplifier

₹2,499,999

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C-2800 series renewal builds the most feature-packed preamplifier - C-2850. A new preamp generation is defined by the harmony of craftsmanship and technology. The revolutionary AAVA (Accuphase Analog Vari-gain Amplifier) principle which enables optimal volume adjustment has been further refined, for ultra-low noise and completely quiet operation, brought together with the perfect operation feel. Experience the ultimate in volume control performance and comfort from a component that is best-in-class. Functionally-sophisticated technology and optimized construction using only judiciously selected top-notch parts and materials render effortless operation stability, with enough performance leeway that is the safe-guarded secret behind ultimate reliability. Every single C-2850 is meticulously built by extremely proficient and experienced craftspersons who have great acumen in the art. The final outcome is a product built to transport the listener into the enchanting realm of high-end audio.

Warranty

1-year manufacturer's warranty

Key Features:

AAVA volume control for high performance and outstanding sound
Separate high-efficiency toroidal power transformers for left and right channels
Selectable preamp gain
Fully modular construction with separate left/right units for each amplifier stage
Logic-controlled relays for shortest signal paths
Independent phase selection for each input position
Printed circuit boards made from glass cloth fluorocarbon resin
Optional playback capability for analog records
Massive wood cabinet with natural grain finish

Benefits of Accuphase C-2850 Precision Stereo Preamplifier:

AAVA operation principle is purely analog

The AAVA circuit converts the input music signal into 16 types of weighted currents. According to the position of the volume control knob, the currents are then combined to determine the volume. The combined signal current forms a variable gain circuit that adjusts the level of the music signal.

High-rigidity, high-accuracy volume sensor mechanism with ultra smooth tactile feel

Turning the volume knob on the front panel causes the actual volume level position to be detected. The corresponding combination of weighted amplifiers then in turn adjusts the volume. The volume sensor mechanism is made of a massive aluminum block extruded and finished with utmost precision. The knob provides an exquisite tactile feel when rotated and ensures extremely accurate position detection. The entire mechanism is supported by a floating suspension using insulators, which also allows extremely quiet motor-driven operation when the remote commander is used.

Full Mono construction

Inside the preamplifier, circuits and components are securely mounted to a sturdy 8 mm thick aluminum frame and kept completely separate for the left and right channels. This reliably prevents unwanted mutual interference, resulting in further improved electrical characteristics and perfectly pure sonic performance.

Ideal left/right power supply configuration

The power supply circuitry not only acts as the energy source of an amplifier, it also has a dramatic influence on its sound. The C-2850 features a newly developed type of high-efficiency toroidal transformer in a cast-aluminum case with thermal dissipation fins. Each channel has its own transformer, along with a pair of custom-made electrolytic filtering capacitors rated for high capacity and excellent sonic properties. This arrangement provides ample power reserves for effortless operation.

Where to buy?
Buy the Accuphase C-2850 Precision Stereo Preamplifier online at the best price in Mumbai, Delhi, Bangalore, Chennai and all across India. Enjoy expert, prompt and courteous customer service from the Ooberpad team. We will help you choose better and give you all the support you need to take the right buying decision in India.

Technical Specifications of Accuphase C-2850 Precision Stereo Preamplifier:

Brand & Model #	Accuphase C-2850
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 AD INPUT [MM/30 dB]: 20 ‒ 20,000 Hz ±0.3 dB
Total Harmonic Distortion	0.005%
Maximum Line Input Voltage	BALANCED/LINE INPUT: 6.0 V
Maximum AD Input Voltage (1 kHz, 0.005% THD)	MM [30/40 dB] INPUT: 310/96.5 mV MC [60/70 dB] INPUT: 9.5/3.2 mV
Gain (18 dB position)	BALANCED/LINE INPUT → BALANCED/LINE OUTPUT: 18 dB LINE INPUT → LINE OUTPUT: 18 dB AD [MM: 30/40 dB] INPUT → BALANCED/LINE OUTPUT: 48/58 dB AD [MM: 30/40 dB] INPUT → REC OUTPUT: 30/40 dB AD [MC: 60/70 dB] INPUT → BALANCED/LINE OUTPUT: 78/88 dB AD [MC: 60/70 dB] INPUT → REC OUTPUT: 60/70 dB
Loudness Compensation	1: +2 dB (100 Hz), 2: +4 dB (100 Hz), 3: +6.5 dB (100 Hz)
Headphone Jack	Output level: 2 V (40 ohms), Suitable impedance: 8 ohms or above Gain (LOW, MID, HIGH): ±10 dB from standard MID level
Subsonic Filter	10 Hz: –18 dB/octave
Attenuator	–20 dB
Power Consumption	40 watts
Maximum Dimensions	Width 477 mm (18-3/4") Height 156 mm (6-1/8") Depth 412 mm (16-1/4") (Depth 414 mm with AD-2850 installed)
Weight	24.5 kg (54.0 lbs) net 25.4 kg (56.0 lbs) with AD-2850 installed

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