Musical Fidelity Class A Integrated Amplifier manual A1 Integrated, Amplifier Specifications

Page 12

A1 Integrated

 

 

AMPLIFIER SPECIFICATIONS

Output:

Voltage, RMS

17V

 

Voltage, Peak-to-peak

48V

 

Power

36W

 

Current peak-to-peak

22.8A

 

Damping factor

142

 

Output devices per channel

2

 

 

Pre-out impedance

47 ohms

Line input:

THD + N, 20Hz to 20 kHz

<0.02%

 

Signal / noise ratio

-94dB A-wtd.

 

Input sensitivity for full

120mV

 

power

 

 

 

 

Input impedance

43K ohms

 

Overload margin

37dB

 

Channel separation

>52dB

 

Frequency response

20Hz to 20kHz +0,-0.3dB

Phono input:

Cartridge type

MM

 

Phono input response

RIAA/IEC combined,

 

 

see graph

 

Signal/noise ratio

-81dB A-wtd.

 

Input sensitivity

3.3mV

 

Input impedance

47K ohms

 

Overload margin

29dB

2

0

.0

 

 

 

 

 

 

 

 

 

 

1

5

.0

 

 

 

 

 

 

 

 

 

 

1

0

.0

 

 

 

 

 

 

 

P H O N O R E S P O N S E

 

5

.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

d B

0 .0

 

 

 

 

 

 

 

 

 

 

-

5 .0

 

 

 

R IA A

 

 

 

 

 

 

 

 

 

P H O N O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- 1

0 .0

 

 

 

R IA A /IEC

 

 

 

 

 

 

- 1

5 .0

 

 

 

 

 

 

 

 

 

 

- 2

0 .0

 

 

 

 

 

 

 

 

 

 

 

 

2 0 .0

3 1 .5

5 0 .0

8 0 .0

1 2 5

2 0 0

3 1 5

5 0 0

1 0 0 0 1 6 0 0

2 5 0 0

4 0 0 0 6 3 0 0 1 0 0 0 0 1 6 0 0 0

 

 

 

 

 

 

 

 

F r e q u e n c y (H z )

 

 

Connections:

Line level inputs

4 pairs line level RCA connectors

 

 

 

1 pair phono (moving magnet) level RCA connectors

 

Line level outputs

1 pair RCA preamp line outputs (level controlled by volume)

 

 

 

1 pair RCA tape line outputs (fixed level)

 

Digital inputs:

1 USB 1.1 (32, 44, 48kHz sample rates) type B connection for computer/pda

 

Speaker outputs:

1 pair 4mm banana plug/binding posts per channel

Power requirement:

100 / 115 / 230Volts AC 50 /

130W maximum

 

 

60Hz (factory pre-set),

 

 

Accessories:

Mains lead

 

10 Amp IEC type

1 off

 

Remote control

A1, universal

1 off

 

Batteries

 

Size LR03 or

2 off

 

 

 

AAA, manganese

 

 

 

 

alkaline type

 

Dimensions:

Unit only

 

 

 

 

440mm

17 ⅓ inches

wide

 

 

77mm

3 inches

high inc. feet

 

 

290mm

11 ½ inches

deep inc. terminals

 

 

Unit in shipping carton

 

 

 

536mm

21 inches

wide

 

 

200mm

7 ¾ inches

high

 

Weight:

385mm

15 ¼ inches

deep

 

7.15 kg

15 ¾ lbs

Unboxed

 

 

 

 

10.5 kg

23 lbs

In shipping carton,

 

 

 

 

with all accessories

 

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

Issue 2: 05th March 2008

Page 12 of 13

 

 

Image 12
Contents A1 Integrated Contents A1 IntegratedSafety Information IMPORTANT! U.K. onlyGeneral Advice Installation Precautions & User InformationItem Disposal Information DisposalInstallation IntroductionA1 Integrated Facilities and ConnectionRemote Control Remote control HandsetAmplifier Operation StartingTape A1 IntegratedAMPLIFIER PROBLEMS? Amplifier Specifications A1 IntegratedManual Revision

Class A Integrated Amplifier, A1 specifications

The Musical Fidelity A1 is a distinguished Class A integrated amplifier renowned for its exceptional audio performance and elegant design. This amplifier stands out in the crowded hi-fi market due to its focus on delivering pure and uncolored sound. The A1 is designed to reproduce music as it was intended by the artist, making it a favored choice among audiophiles and music enthusiasts.

One of the central features of the A1 is its all-analog Class A circuitry. This design ensures that the amplifier operates with minimal distortion, providing a warm and natural sound signature. With its class A architecture, the A1 is capable of delivering high-quality sound even at low power levels, maintaining excellent fidelity across various volume settings. The output power of the A1 is substantial for its size, typically around 30 watts per channel, which is typical for Class A amplifiers.

The Musical Fidelity A1 is equipped with a robust power supply that underpins its performance. A well-designed power supply is crucial for maintaining stability during high dynamic range passages in music. This amplifier boasts a high-quality toroidal transformer, which offers better electromagnetic shielding and reduces noise, resulting in clearer audio production.

In terms of connectivity, the A1 comes with multiple inputs, including RCA line-level inputs, allowing users to connect various audio sources such as CD players, turntables, and streaming devices. The inclusion of a high-quality phono stage is a notable feature, enabling vinyl lovers to connect their turntables without needing an additional phono preamp.

The build quality of the A1 is equally impressive. Encased in a sturdy chassis, the amplifier features an elegant front panel with straightforward rotary controls for volume and input selection, along with a power switch. Its minimalist design not only looks aesthetically pleasing but also enhances durability.

Musical Fidelity has always prioritized user experience, and the A1 is no exception. The amplifier is engineered to be user-friendly, with a simple setup process and intuitive controls. It perfectly complements a wide range of speakers, providing an engaging listening experience that highlights the subtleties of any music genre.

In summary, the Musical Fidelity A1 Class A Integrated Amplifier is a remarkable component for anyone serious about sound quality. Its high-performance characteristics, solid build quality, and user-centric design make it a standout choice for music enthusiasts seeking an immersive audio experience.