Perreaux 200 MkII, Руководство пользователя

Страница: 32 / 35

31
Dimensions
Width .............................................................................................. 425mm (16.7”)
Height ............................................................................................... 105mm (4.1”)
Depth .............................................................................................. 335mm (13.2”)
Fuse Ratings
Mains input fuse
100 – 125V: ........................................................................... 2SB slow blow 8A
200 – 250V: ........................................................................... 2SB slow blow 6A
(user serviceable)
Internal DC rail fuses......................................................4 x 2AG normal blow 6A
(NOT user serviceable)
Weight
Net: ................................................................................................. 17.0kg (37.5lb)
Gross:.............................................................................................. 20.0kg (44.0lb)
Specifications
Explained
Rated Power Output
(per channel)
................................................ 200W
RMS
into 8Ω
The 200 MkII has been designed around the industry standard 8Ω load. The 200
MkII delivers a staggering 200W
RMS
continuously into 8Ω loads and 300W
RMS
into 4Ω loads. The 200 MkII will also handle complex and 2Ω loads with
stability and ease.
Frequency Response .......................................................20Hz to 20kHz ±0.25dB
This is the “standard” specification with which everyone is familiar. Actually,
“frequency response” is a misnomer: technically, it should be called “amplitude
response versus frequency” for it describes how uniform the amplitude or
strength of signals of various frequencies is maintained. It is generally thought
that a difference of 1db is the least that can be perceived by ear. To better that
by a wide margin, the 200 MkII is specified four times higher, thus far
exceeding the audible range of the human ear.
Total Harmonic Distortion
(THD+N)
.............................. 0.004%, @ 1kHz into 8Ω
Measurements are made with fixed, purely resistive loads. However, since
speakers are not purely resistive, an amplifier’s distortion specifications do not
indicate what performance will be with the actual loads presented by speakers.
Perreaux distortion measurements hold for any conditions presented by any
known speaker. Further, any measurable distortion in the Perreaux is second-
order harmonics – the least offensive to the ear.
Voltage Gain .....................................................................................................28.5dB
The amount of amplification the amplifier is asserting on the input signal. Gain
can be calculated by dividing the rated output by the input sensitivity.
Dynamic Headroom........................................................................................ >1.9dB
This indicates the 200 MkII can provide more than enough extra power to cope
with the sharpest musical transients. Without adequate headroom, an amplifier
can become unstable under clipping conditions. Perreaux amplifiers are
intrinsically stable under all dynamic conditions.