The Kyocera
R-661
Features
70 watts per
channel (continous RMS both channels driven into 8 ohms from 20 Hz to 20 kHz
with no more than 0,02% Total Harmonic Distortion
Compatible
with Kyocera Full System Remote Control network
Manual/electronic
volume control
Parametric
bass and treble controls with continuously variable turnover frequency for
sensitive and precise tonal adjustment
Subsonic
filter at 20 Hz with 12 dB/octave slope
High filter
Two
tapemonitors with dubbing
Pre-amp
Output/Main-amp Input jacks
MOS FETs in
the amplifier driver stage for better dynamic performance
Toroidal
transformer
Low-feedback
design for reduced transient intermodulation distortion
Oxygen-Free
Copper (OFC) wiring fo reduced noise
Moving
Magnet/Moving Coil phono input stage
Female
banana jacks bypass speaker switching for straight-wire-with-gain circuit
Quartz
frequency synthesis tuning
FM front end
with MOS FETs and High-Q varicaps for minimum interference
Ceramic IF
filters for high selectivity, low distortion
Wide/Narrow
IF bandwidth switch adapts to your reception conditions
High-frequency
FM comparator for reduced noise
FM
quadrature detector for low distortion
Chopper type
FM stereo demodulator for improved stereo separation
High blend
switch for better sound on weck FM stations
7AM + 7 FM
station presets
Specifications
Power Output
RMS (both ch. Driven into 8 Ω with no more than 0,02% T.H.D., 20 Hz - 20
kHz): 70 W/ch
Dynamic
Short-Term Power (at 1 kHz):
80 W/
channel at 8 Ω
110 W /
channel at 4 Ω
140 W/
channel at 2 Ω
Total
Harmonic Distortion (at rated power):
0,02%
Power
Bandwidth (-3 dB re rated power): 10 Hz
- 60 kHz
Intermodulation
Distortion (at rated output,SMPTE):
0,02%
Slew
Rate: 50 V/usec
Rise
Time: 1,0 usec
Dynamic
Headroom , 8 Ω : 1,0 dB
Input
Sensitivity/Impedance:
Phono
MC :
125 µV/100 Ω
Phono
MM :
2,5 mV/47 k Ω/100 pF
Others
: 150 mV/30 k Ω
Phono Input
Overload 1 kHz, 0,5% T.H.D.:
Phono MC
: 8 mV
Phono MM
: 150 mV
Signal-to-Noise
Ratio (IHF short circuited, A-weighted, rated output):
Phono MC
: 64 dB
Phono MM
: 82 dB
Others
: 100 dB
Turnover
Frequencies:
Bass Control
: 100 - 500 Hz
Trable
Control : 2 - 10 kHz
High Filter
(6 dB/oct) at 10 kHz : -6 dB
Subsonic
Filter (12 dB/oct) aat 188 Hz : -3 dB
FM Usable
Sensitivity (mono): 10,1 dBf
FM 50 dB
Quieting Sensitivity
Mono : 15,5 dBf
Stereo
: 36,5 dBf
FM Capture
Ratio (Normal IF): 1,0 dB
FM
Distortion, 1 kHz, Normaal IF
Mono : 0,07%
Stereo
: 0,10%
FM Stereo
Separation, Normal IF, 1 kHz: 55 dB
FM Frequency
Response (30 Hz - 15 kHz): +0 dB/-0,5 dB
FM
Signal-to-Noise Ratio, A -weighted
Mono : 80 dB
Stereo
: 74 dB
FM Alternate
Channel Selectivity:
Normal IF
: 40 dB
Narrow IF
: 75 dB
FM Spurious
Rejction: 88 dB
FM IF
Rejection: 110 dB
FM Image
Rejection: 68 dB
FM
Subcarrier product Ratio: 65 dB
Power
Consumption: 210 W
Dimensions
(W x H x D): 460 x 132 x 360 mm
(18-1/8" x 5-3/16" x 14-3/16")
Weight: 11,7 kg (25 lbs)
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