Musical Fidelity Complete Guide to the kW 500 Amplifier

Page 10

 

kW 500

 

 

 

 

 

 

SPECIFICATIONS :

Dual

Mono Integrated

Amplifier

 

Output:

Voltage RMS:

63.9 Volts 20Hz to 20kHz

 

Voltage peak to peak:

180.6 Volts

 

 

Power:

510

Watts per channel into 8 Ohms (27dBW),

 

 

770

Watts per channel into 4 Ohms

 

Peak-to-peak output current:

160

Amps

 

 

Damping factor:

> 200

 

 

Output devices per channel:

8

 

 

 

Pre-output impedance:

50 Ohms

 

Line inputs:

Harmonic distortion at 1kHz

Total harmonic distortion + noise, 20Hz to 20kHz Signal / noise ratio

Input sensitivity for 350 Watts into 8 Ohms Input impedance

Overload margin Channel separation Frequency response

<0.002% up to 90% power into 4 or 8 Ohms

<0.007%

>102dB ‘A’-weighted 330mV

220K Ohms 36dB

>70dB 20Hz to 20kHz 20Hz to 20kHz, +0, -0.0dB 20Hz to 60kHz, +0, -1.2dB

Phono input:

Frequency response reference

IEC RIAA - see graph....

Signal / noise ratio

Input sensitivity

20

 

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

RIAA RESPONSE

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

dB 0

 

 

RIAA

 

 

 

 

 

 

 

-5

 

 

PHONO

 

 

 

 

 

 

 

-10

 

 

RIAA/IEC

 

 

 

 

 

 

 

-15

 

 

 

 

 

 

 

 

 

 

-20

 

 

 

 

 

 

 

 

 

 

16

32

63

125

250

500

1.2K

2.5K

5K

10K

20K

 

 

 

 

 

FREQUENCY

 

 

 

 

> 96dB

‘A’-weighted

 

 

 

 

 

 

 

2.5mV (moving magnet)

 

 

 

 

 

 

 

Input impedance

 

 

47k Ohms

 

 

 

 

Overload margin

 

 

29dB

 

 

 

 

 

 

 

 

Power requirement:

100 / 115 / 230Volts AC 50 / 60Hz (factory pre-set),

 

 

 

 

1950 Watts maximum into 8 Ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inputs: 5 pairs line level RCA connectors,

Outputs:

2 amplifier channels via 2 pairs per

 

 

1 pair phono (moving magnet) RCA connectors

 

 

 

channel binding posts.

 

 

 

 

 

 

 

1 pair RCA audio pre-outputs controlled by

 

 

 

 

 

 

 

the volume setting

 

 

 

 

 

 

 

1 pair RCA tape record fixed line level output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weight, main unit: 26.8 kg, 59 lbs unit only, unboxed

 

 

Dimensions, main

483 mm, 19 inches wide

 

 

31.8 kg, 70.1 lbs in shipping carton

 

 

 

unit:

167 mm, 6.6 inches high including feet

 

 

P.S.U: 18.3 kg, 40.3 lbs unit only, unboxed

 

 

 

 

470 mm, 18.5 inches deep including terminals

 

 

 

 

 

 

 

 

 

 

21.3 kg, 47 lbs in shipping carton

 

 

 

P.S.U:

364 mm, 14.4 inches wide

 

 

 

 

 

 

 

167 mm,

6.6 inches high including feet

 

 

 

 

 

 

 

 

 

 

 

 

 

 

278 mm,

11 inches deep including rear sockets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standard accessories:

 

 

IEC type mains lead,

 

 

 

 

 

 

 

 

Power supply leads, main (two)

 

 

 

 

 

 

 

Power supply lead for pre-amplifier

 

 

 

 

 

 

Remote control (universal type)

 

 

 

 

 

 

 

Two batteries (type SUM-4, AAA, LR03)

 

 

 

 

 

 

 

 

 

 

 

Musical Fidelity reserves the right to make improvements which may result in specification or feature changes without notice

Issue 2: Sept 2004

kW 500 Integrated Amplifier

Instructions for use Page 10 of 10

 

 

 

Image 10
Contents Instructions for USE Safety Information IMPORTANT! U.K. onlyInstallation Precautions and User Information General AdviceRadio Frequency Interference R.F.I Main unit front panel layout ConnectionsMain unit back panel layout Connections and Facilities Power Supply Power supply unit back panel layoutRemote Control Remote ControlCD input select Volume Up Volume Down Output Connections Before Switching onInput Connections PRE-AMPLIFIER OutputOverload Protection OperationStarting Tape RecordingTroubleshooting Problem Possible Cause RemedySpecifications

KW 500 specifications

The Musical Fidelity KW 500 is a high-performance integrated amplifier that is widely recognized for its exceptional sound quality and advanced technology. This amplifier is a perfect blend of power, precision, and musicality, making it a favorite among audiophiles and music enthusiasts.

One of the most notable features of the KW 500 is its power output. With a robust 500 watts per channel into 8 ohms, it can drive even the most demanding speakers with ease. This power is not just about volume; it translates into a dynamic range that allows for the subtle nuances of music to shine through, delivering an immersive listening experience. The KW 500 is designed to deliver an authoritative bass response, crystal-clear mids, and a smooth treble, creating a balanced sound signature across various genres.

The KW 500 incorporates advanced Class A/B amplification technology, providing the best of both worlds—efficiency and sound quality. This type of amplification ensures that the amplifier operates at optimal temperatures while delivering a warm, rich sound. The design features high-quality components, including large capacitors and a robust power supply, which contribute to its overall performance and reliability.

Another key feature of the KW 500 is its impressive array of input options. It comes equipped with multiple analog inputs, including balanced XLR and unbalanced RCA connections, as well as a dedicated phono stage for vinyl enthusiasts. This versatility allows users to connect various audio sources, from digital devices to turntables, facilitating a seamless listening experience.

The KW 500 also includes built-in active crossover technology, enabling it to perform exceptionally well within multi-amplification systems. This feature allows for precise control over the frequency distribution, ensuring that each driver in a speaker system operates optimally. This technology is particularly beneficial for audiophiles who seek to tailor their sound systems to achieve the best possible audio fidelity.

Moreover, the KW 500 is constructed with a heavy-duty chassis that minimizes vibrations and interference, further enhancing audio performance. Its minimalist design not only looks elegant but also serves functional purposes, ensuring that the components remain isolated for the best sound reproduction.

In summary, the Musical Fidelity KW 500 stands out with its powerhouse performance, advanced technologies, and versatility. Its combination of high output power, premium components, and thoughtful design makes it a top choice for those seeking a superior audio experience in an integrated amplifier. Whether you're listening to your favorite vinyl records or streaming high-resolution audio, the KW 500 is built to elevate your musical enjoyment to new heights.