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FM tuner section
Frequency range (200 kHz space) .............87.9 MHz –107.9 MHz
Usable sensitivity (S/N = 30dB) ...................9.3 dBf (0.8 µV/75 Ω)
Quieting Sensitivity (S/N = 50dB) ..............15.2 dBf (1.6 µV/75 Ω)
Frequency response (±3 dB).................................30 Hz – 15 kHz
Signal to Noise ratio (MONO)..............................................70 dB
Selectivity (±400 kHz).......................................................≥ 80 dB
Stereo separation (1 kHz) ....................................................40 dB
AM tuner section
Frequency range (10 kHz space) ...................530 kHz – 1700 kHz
Usable sensitivity (S/N = 20dB) .............................28 dBµ (25 µV)
Cassette player section
Tape Speed ..............................................................4.76 cm/sec.
Wow & Flutter (WRMS) ....................................................0.08 %
Frequency response (±3 dB)
KRC-409 (70 µs)...........................................30 Hz – 18 kHz
KRC-309S (120 µs) ......................................30 Hz – 14 kHz
Separation (1 kHz) ...............................................................43 dB
Signal to Noise ratio
KRC-409
Dolby NR OFF............................................................57 dB
Dolby B NR ON..........................................................65 dB
KRC-309S
Dolby NR OFF............................................................54 dB
Dolby B NR ON..........................................................63 dB
Audio section
Maximum output power.................................................45 W × 4
Full Bandwidth Power (at less than 1% THD) ................22 W x 4
Tone action
Bass : ..........................................................100 Hz ±10 dB
Middle : .........................................................1 kHz ±10 dB
Treble : ........................................................10 kHz ±10 dB
Preout level / Load (during disc play) .................1800 mV / 10 kΩ
Preout impedance............................................................≤ 600 Ω
General
Operating voltage (11 – 16V allowable) ..............................14.4 V
Current consumption.............................................................10 A
Installation Size (W x H x D) ..........................182 x 53 x 152 mm
(7-3/16 x 2-1/16 x 6 in.)
Weight ..................................................................2.9 lbs (1.3 kg)
Specifications subject to change without notice.
Specifications
KRC-409_U.S r2 00.12.26 1:18 PM Page 26