Power Amplifiers - Pioneer Stereo System User Manual

POWER AMPLIFIERS

Advanced Direct Energy MOS FET Power Amp
Advanced Direct Energy MOS FETs are simply high-
performance devices. Working with Pioneer's Wide-Range
Linear Circuit technology, they feature reduced power
consumption without sacrificing power output. Moreover,
Pioneer's MOS FETs help achieve a flat damping factor across a
wide audio spectrum, a wide frequency range, and a higher
accuracy at ultra high frequencies while improving power
linearity.
Comparison of Linearity: Bipolar Transistor vs. MOS FET
20
Hex MOS FET
(Ic Max. 28A)
18
Bipolar Transistor
16
(Ic Max. 15A)
14
Typical MOS FET
(Id Max. 12A)
12
10
8
6
4
2
0
-1 0 1 2 3 4 5 6
vgs/vbe(V)
Wide-Range Linear Circuit Amp
The Wide-Range Linear Circuit features a superior open-loop
gain response. This means that, with the use of only a nominal
amount of feedback and a simple one-pole filter, the circuit
applies NFB (Negative Feedback) at high stability for
frequencies over a wide range, in order to minimize distortion.
Moreover, since its output impedance is flat and low over an
extended range, the circuit's rejection of external noise is
improved.
Transformer Stabilizer
The heavy, high-capacitance power transformer is doubly
secured to the chassis — by a stabilizer and an additional frame.
This elaborate construction improves the dynamic stability,
rigidity and insulation characteristics of the chassis, leading to
improved sound quality.
SB (Surround Back) Mode (M-10X/A-35R) and
MR/MS Capability (A-35R)
Pioneer Elite receivers feature 7.1-channel THX Surround EX
and Dolby Digital Surround EX. But even if your Pioneer
Surround EX receiver comes with amplifiers for 5.1 channels,
it's simple to upgrade it to the full glory of 7.1-channel sound.
Just connect the M-10X to your receiver to drive the SBL and
SBR (Surround Back Left and Right) channels. You can
remotely turn on and off the M-10X as you do so with the
receiver by using SR connections.
The A-35R is functionally flexible. It can be used in a
Surround EX system to drive SBL and SBR channels, as part of
a Multi-Room/Multi-Source Remote Control system, or as the
center unit of a secondary hi-fi system that includes a source
player such as a CD player.
LOW FREQUENCY
PRESENCE FIELD
EFFECT
Front: Forms the basis of a sound field as
Subwoofer: Enhances suspense and psychological the system's main channels.
tension with low-frequency sound effects. Center: Clearly localizes dialog and vocals.
SURROUND FIELD
LEFT
SURROUND
7 BACK FIELD
SURROUND FIELD
Surround Back: Ensures continuity of surround sound,
adding depth to the soundstage.
Surround: Enhances surround sound by adding depth to
the sound field and emphasizing the sense of motion.
Connection Diagram (Conceptual) of
THX Surround EX-Compatible AV Amp
DVD Player
Center
Left
AV Receiver with Built-in
Surround
THX Surround EX Decoder
Left
Surround Back Output
Surround Back
Additional Amp
for Surround Back
46
■
DIMENSIONS
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
RIGHT
■
REAR PANELS
M-10X
INPUT
Subwoofer
L
Right
R
Surround
Right
Surround Back
A-35R
PHONO TUNER CD
L
R
IN IN IN
M-10X A-35R
108.8 mm 4-5/16" 95 mm 3-3/4"
18.6 mm 3/4" 19 mm 3/4"
34.3 mm 1-3/8" 40 mm 1-9/16"
351.4 mm 13-13/16" 340 mm 13-3/8"
3.9 mm 1/8" 20 mm 13/16"
289.1 mm 11-3/8" 261 mm 10-1/4"
53.3 mm 2-1/8" 54 mm 2-1/8"
180.7 mm 7-1/8" 172 mm 6-3/4"
54.9 mm 2-3/16" 35 mm 1-3/8"
– – – –
420 mm 16-9/16" 420 mm 16-9/16"
127.4 mm 5" 114 mm 4-1/2"
319.1 mm 12-9/16" 307 mm 12-1/16"
– – ø55 mm ø2-3/16"
– – – –
– – – –
SPEAKERS
R L
CONTROL
IN
SPEAKERS
R L
B
TAPE2 MONITER
LINE/ TAPE1/CD-R/MD
SURROUND
REC PLAY REC PLAY
BACK
L
CONTROL
OUT
R
R L
A
IN OUT IN OUT IN
47
■
REMOTE CONTROL
A-35R
AC IN
AC INLET