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C-2450 Stereo Preamplifier
$999,999,999,999
Description
Specification
Installation
Returns
Description
Accuphase
C-2450 Stereo Preamplifier
Blending the purely analog AAVA volume control circuit with sophisticated technology inherited from the C-2850 results in superb S/N ratio and a refinement of expression that brings new clarity to the music. The utterly smooth operation feel of the volume sensor assembly and a top plate made of brushed aluminum with a hairline finish demonstrate a level of dedication and hands-on craftsmanship that pervades every aspect of this preamplifier. Each C-2450 is individually honed to provide nothing short of perfection.
AAVA volume control for high performance and outstanding sound
Separate power transformers for left and right channels
Selectable preamp gain
Fully modular construction with individual left/right amplifier units on motherboard
Logic-controlled relays for shortest signal paths
Independent phase selection for each input position
Optional phono equalizer unit enables playback of analog records
Elegant side panels with natural wood grain finish
Specification
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
AD INPUT [MM/30 dB]:
20 ‒ 20,000 Hz ±0.3 dB
Total Harmonic Distortion (for all inputs)
0.005%
Input Sensitivity, Input Impedance
Input
Input sensitivity
For rated output
For 0.5 V output
Input impedance
AD: MM/30 dB INPUT
8.0 mV
2.0 mV
47 kilohms
AD: MM/40 dB INPUT
2.5 mV
0.63 mV
47 kilohms
AD: MC/60 dB INPUT
0.25 mV
0.063 mV
10/30/100/300 ohms, switchable
AD: MC/70 dB INPUT
0.08 mV
0.02 mV
10/30/100/300 ohms, switchable
BALANCED/LINE
252 mV
63 mV
40 kilohms/20 kilohms
Rated Output Voltage,
Output Impedance
BALANCED/LINE OUTPUT
2 V 50 ohms
RECORDER REC (with AD input)
252 mV 200 ohms
S/N Ratio
Input
Input shorted (A weighting)
S/N ratio at rated output
EIA S/N
AD: MM/30 dB INPUT
94 dB
85 dB
AD: MM/40 dB INPUT
84 dB
85 dB
AD: MC/60 dB INPUT
80 dB
85 dB
AD: MC/70 dB INPUT
72 dB
85 dB
BALANCED/LINE
110 dB
108 dB
Maximum Output Level (0.005% THD, 20 ‒ 20,000 Hz)
BALANCED/LINE OUTPUT: 7.0 V
RECORDER REC (with AD input): 6.0 V
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
Minimum Load Impedance
BALANCED/LINE OUTPUT:
600 ohms
RECORDER REC
10 kilohms
Gain (18 dB position)
Gain selector switch: 12/18/24 dB switchable
BALANCED/LINE INPUT → BALANCED/LINE OUTPUT: 18 dB
LINE INPUT → LINE OUTPUT: 18 dB
LINE INPUT → BALANCED OUTPUT: 18 dB
LINE INPUT → LINE OUTPUT: 18 dB
BALANCED/LINE INPUT → RECORDER REC: 0 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
Tone Control
Turnover frequency and adjustment range
Bass: 300 Hz ±10 dB (50 Hz) Treble: 3 kHz ±10 dB (20 kHz)
Loudness Compensation
＋6 dB (100 Hz)
Headphone Jack
Output level: 2 V (40 ohms), Suitable impedance: 8 ohms or above
Subsonic Filter
10 Hz: –18 dB/octave
Attenuator
–20 dB
Power Requirements
120 V/220 V/230 V AC, 50/60 Hz (Voltage as indicated on rear panel)
Power Consumption
38 watts
Maximum Dimensions
Width 465 mm (18.3")
Height 150 mm (05.9")
Depth 409 mm (16.1") (
Depth 414 mm (16.3”) with AD-2850 installed)
Mass
19.0 kg (41.9 lbs), 19.9 kg (43.9 lbs) with AD-2850 installed 25.0 kg (55.1 lbs) in shipping carton
Installation
Sometimes we want to listen to our brand new audio setup without having to worry about dragging B&W up two flights of stairs - that's where we come in! Not only are our team experts in high quality AV equipment, they're also professional bodybuilders* who can deliver and install your new toys quickly and efficiently.
*the term 'professional bodybuilders' is used here loosely...
Returns
Our refund policy operates in a 30-day window - after this time we are unable to accept the product and cannot issue a refund. Don't worry, our products are hand picked from thousands of luxury brands to ensure you are only offered the best of the best so we doubt you'll need to consider this policy at all. If you are concerned about making the wrong decision when it comes to your purchase, please feel free to talk with our team of experts who can advise you on equipment based on your personal music taste, aesthetics, and the layout of your listening room. Still not convinced? Discuss the possibility of a loan (trial period) with our experts and hear the difference yourself.
