Pioneer DEH-S1253UB Quick Start Manual page 8

become jammed under the brake or
accelerator pedal.
• Depending on the USB storage device,
the following problems may occur.
– Operations may vary.
– The storage device may not be
recognized.
– Files may not be played back properly.
– The device may cause audible
interference when you are listening to
the radio.
Specifications
General
Rated power source: 14.4 V DC (allowable
voltage range: 12.0 V to 14.4 V DC)
Grounding system: Negative type
Maximum current consumption: 10.0 A
Dimensions (W × H × D):
DIN
Chassis: 178 mm × 50 mm × 165 mm
Nose: 188 mm × 58 mm × 17 mm
D
Chassis: 178 mm × 50 mm × 165 mm
Nose: 170 mm × 46 mm × 17 mm
Weight: 1 kg
Audio
Maximum power output:
• 50 W × 4 ch/4 Ω (for no subwoofer)
• 50 W × 2 ch/4 Ω + 70 W × 1 ch/2 Ω
(for subwoofer)
Continuous power output:
22 W × 4 (50 Hz to 15 000 Hz, 5 %
THD, 4 Ω load, both channels driven)
Load impedance: 4 Ω (4 Ω to 8 Ω allowable)
Preout maximum output level: 2.0 V
Loudness contour: +10 dB (100 Hz), +6.5
dB (10 kHz) (volume: –30 dB)
Equalizer (5-Band Graphic Equalizer):
Frequency: 80 Hz/250 Hz/800 Hz/2.5
kHz/8 kHz
Equalization range: ±12 dB (2 dB step)
Subwoofer (mono):
8
En
Frequency: 50 Hz/63 Hz/80 Hz/100
Hz/125 Hz/160 Hz/200 Hz
Slope: –12 dB/oct, –24 dB/oct
Gain: +6 dB to –24 dB
Phase: Normal/Reverse
CD player
System: Compact disc audio system
Usable discs: Compact disc
Signal-to-noise ratio: 94 dB (1 kHz) (IEC-A
network)
Number of channels: 2 (stereo)
MP3 decoding format: MPEG-1 & 2 Audio
Layer 3
WMA decoding format: Ver. 7, 8, 9, 9.1, 9.2
(2 ch audio)
WAV signal format: Linear PCM (Non-
compressed)
USB
USB standard specification: USB 2.0 full
speed
Maximum current supply: 1.5 A (DEH-
S1253UB), 1 A (DEH-S1252UB/
S1250UB)
USB Protocol:
MSC (Mass Storage Class)
MTP (Media Transfer Protocol)
AOA (Android Open Accessory) 2.0
File system: FAT12, FAT16, FAT32
MP3 decoding format: MPEG-1 & 2 Audio
Layer 3
WMA decoding format: Ver. 7, 8, 9, 9.1, 9.2
(2 ch audio)
WAV signal format: Linear PCM (Non-
compressed)
FM tuner
Frequency range: 87.5 MHz to 108.0 MHz
Usable sensitivity: 11 dBf (1.0 μV/75 Ω,
mono, S/N: 30 dB)
Signal-to-noise ratio: 72 dB (IEC-A network)
AM tuner
Frequency range: 531 kHz to 1 602 kHz (9
kHz)
530 kHz to 1 640 kHz (10 kHz)
Usable sensitivity: 25 μV (S/N: 20 dB)
Signal-to-noise ratio: 62 dB (IEC-A network)
SW tuner
Frequency range:
2 300 kHz to 7 735 kHz (2 300 kHz to 2
495 kHz, 2 940 kHz to 4 215 kHz, 4 540
kHz to 5 175 kHz, 5 820 kHz to 6 455
kHz, 7 100 kHz to 7 735 kHz)
9 500 kHz to 21 975 kHz (9 500 kHz to
10 135 kHz, 11 580 kHz to 12 215 kHz,
13 570 kHz to 13 870 kHz, 15 100 kHz
to 15 735 kHz, 17 500 kHz to 17 985
kHz, 18 015 kHz to 18 135 kHz, 21 340
kHz to 21 975 kHz)
Usable sensitivity: 28 μV (S/N: 20 dB)
Signal-to-noise ratio: 62 dB (IEC-A network)
NOTE
Specifications and the design are subject
to modifications without notice.