Pioneer PRS-X340, Service Manual

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PRS-X340/X1R/EW
PRS-X340
Power source .......................................................................................................... 14.4 V DC (10.8 — 15.1 V allowable)
Grounding system .......................................................................................................................................... Negative type
Current consumption .................................................................................................... 43.7 A (at continuous power, 4
Ω
)
Average current drawn* ...................................................................................................... 14.5 A (4
Ω
for four channels)
26.5 A (4
Ω
for two channels)
Fuse ........................................................................................................................................................................ 30 A
×
3
Dimensions ...................................................................................................................... 264 (W)
×
65 (H)
×
345 (D) mm
Weight .................................................................................................................... 7.0 kg (Leads for wiring not included)
Continuous power output ........................................................ 37.5 W
×
4 (at 14.4V, 4
Ω
, 20 — 20,000Hz, 0.04% THD)
150 W
×
2 (at 14.4V, 4
Ω
, 20 — 20,000Hz, 0.4% THD)
75 W
×
4 (at 14.4V, 2
Ω
, 20 — 20,000Hz, 0.4% THD)
115 W
×
4 / 360 W
×
2 (DIN45324, +B=14.4 V)
Load impedance .......................................................................................................................... 4
Ω
(1 — 8
Ω
allowable)
(Bridge connection: 2 — 8
Ω
allowable)
Frequency response .......................................................................................................... 10 — 50,000 Hz (+0 dB, –1 dB)
Signal-to-noise ratio .................................................................................................................... 105 dB (IEC-A network)
Distortion .......................................................................................................................................... 0.005% (10 W, 1 kHz)
Separation ...................................................................................................................................................... 65 dB (1 kHz)
Variable crossover network
A CH: LPF-L/LPF-H/HPF-L/BPF
B CH: LPF-L/LPF-H/HPF-L/HPF-H
Cut off frequency ................................................................................................ Low frequency: 40 — 120 Hz
High frequency: 3k — 9k Hz
Cut off slope ...................................................................................................................................... –12 dB/oct
Maximum input level/impedance .................................................................................. RCA: 6.5 V/22 k
Ω
(0.4 — 6.5 V
)
Note:
• Specifications and the design are subject to possible modification without notice
due to improvements.
*Average current drawn
• The average current drawn is nearly the maximum current drawn by this unit
when an audio signal is input. Use this value when working out total current
drawn by multiple power amplifiers.