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P-7300 Stereo Power Amplifier
$999,999,999,999
Description
Specification
Installation
Returns
Description
Accuphase
P-7300 Stereo Power Amplifier
The P-7300 inherits technology features and concepts of the 40th anniversary commemorative model A-200 and subsequent M-6200 and takes these even further. Some of the highlights are a drastic reduction in noise and a significant further improvement of the damping factor. In the final stage, the parallel configuration of output devices ensures high current capacity and keeps the output impedance of the power amplifier extremely low. In addition, intensive research has culminated in an improved NFB loop with remote sensing, and the use of MOS-FET switches characterized by low 'on-resistance'. This further improves the ability to handle any speaker with competence, realizing constant-voltage drive even with extremely low load impedances. The guaranteed damping factor of at least 1,000 demonstrates the impressive success of this approach. In addition, by further refining the parallel drive and gain allocation of the input stage, Accuphase engineers were able to push the noise floor to previously unthinkable levels, achieving an amazing signal-to-noise ratio of 125 dB at maximum gain and 131 dB at the –12 dB gain setting.
Output stage with 10-parallel push-pull arrangement in each channel delivers ample power down to extremely low load impedances of 1 ohm
Amplification stage features low-noise instrumentation amplifier topology
Further refined MCS+ circuit
Current feedback principle combines excellent sound quality with total operation stability
Bridged connection mode allows upgrading to monophonic amplifier
4-stage gain control
Newly developed massive toroidal transformer with high power capacity
* With music signals only, 1-ohm loads are permissible for stereo operation and 2-ohm loads for monophonic operation.
Damping factor
1 000
Input Sensitivity ( with 8-ohm load)
Stereo Operation
1.26V for rated continuous average output
0.11V for 1 watt output
Monophonic Operation
2.52V for rated continuous average output
0.11V for 1 watt output
Input Impedance
Balanced: 40 Kilohms
Line (unbalanced): 20 Kilohms
Signal-to-Noise Ratio
(A-weighted, with input shorted)
125dB (GAIN selector in MAX position)
131dB (Gain selector in -12dB position)
At rated continuous average output
Output Level Meter
-40 dB to +3dB (indication in dB and %)
Logarithmic scale, with illumination off switch and sensitivity Peak hold time switchable 3s, infinite
Power Requirements
120/220/230 V AC, 50/60 Hz (Voltage as indicated on rear panel)
Power Consumption
117 watts idle
820 watts in accordance with IEC 60065
Maximum Dimensions
Width: 465mm (18.31")
Height: 238mm (9.37")
Depth: 515mm (20.28")
Mass
48.6kg (107.2 lbs) net
58.0kg (127.1 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.
