Akai AT 2250 Service Manual
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Extracted text from Akai AT 2250 Service Manual (Ocr-read)
Page 1
AT-2250
- AM-225-0
AKAI STEREO TUNER
AND
AKAI STEREO INTEGRATED AMPLIFIER
MODEL AT-2250 ADI-2250
Page 2
I. TECHNICAL DATA
-_-___-_-____-___-
1. MODEL AT-2250
FM TUNER SECTION
FREQUENCY RANGE 87.5 MHZ to 108 MHz
SENSITIVITY (IHF) 1.9pv
CAPTURE RATIo 1.3 dB
SELECTIVITY (IHF) More than 65 dB
IMAGE REJECTION More than 60 dB (98 MHz)
IF REJECTION
More than 85 dB (98 MHz)
SPURIOUS REJECTION
More than 85 dB (98 MHz)
AM SUPPRESSION 60 dB
SIGNAL TONOISE RATIO 70 dB
HARMONIC DISTORTION MONO Less than 0.1% (100% modulation)
STEREO Less than 0.2% (100% modulation)
STEREO SEPARATION
More than 42 dB (1 kHz)
SUB CARRIER SUPPRESSION
More than 40 dB
OUTPUT VOLTAGE
500 mV (100% modulation)
ANTENNA INPUT IMPEDANCE
AM TUNER SECTION
300 ohms balanced / 75 ohms unbalanced
FREQUENCY RANGE 520 kHz to 1,605 kHz
SENSITIVITY (IHF) lOOuV/ m (Bar Antenna), l7uV (External Antenna)
SELECTIVITY (IHF) More than 30 dB
IMAGE REJECTION More than 50 dB (1 MHZ)
IF REJECTION
More than 40 dB
SIGNAL TO NOISE RATIO
More than 55 dB
OUTPUT VOLTAGE 500 mV (30% modulation)
ANTENNA Built-in Ferrite Bar Antenna
MISCELLANEOUS
SEMICONDUCTORS Transistors: 6, Diodes: 7, FET: 1,1Cs: 3
POWER REQUIREMENT
120V, 60 Hz for USA. and Canada
220V, 50 Hz for Europe except U K.
240V, 50 Hz for U K.
110/220/240V, 50/60 Hz switchable for other countries
DIMENSIONS 380 (W) X 130 (H) x 220 (D) mm
(15 x 5.1x 8.7) inches
WEIGHT 4.7 kg (10.3 lbs)
* For improvement purposes, specifications and design are subject to change without notice.
Page 13
IX. TUNING CORD THREADING
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