Kyocera R-461

The  Kyocera R-461

Features

50 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

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

Low-feedback design for reduced transient intermodulation distortion

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

6 AM + 6 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):  50 W/ch

Dynamic Short-Term Power (at 1 kHz):

80 W/ channel at 8 Ω

110 W / channel at 4 Ω

125 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:  40 V/usec

Rise Time:  1,5 usec

Dynamic Headroom , 8 Ω :  2,1 dB

Input Sensitivity/Impedance:

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 MM :  150 mV

Signal-to-Noise Ratio (IHF short circuited, A-weighted, rated output):

Phono MM :  80 dB

Others :  95 dB

Turnover Frequencies:

Bass Control :  200 Hz

Trable Control :  5 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):  10,3 dBf

FM 50 dB Quieting Sensitivity

Mono :  17,0 dBf

Stereo :  37,2 dBf

FM Capture Ratio (Normal IF):  1,2 dB

FM Distortion, 1 kHz, Normaal IF

Mono :  0,08%

Stereo :  0,12%

FM Stereo Separation, Normal IF, 1 kHz:  48 dB

FM Frequency Response (30 Hz - 15 kHz):  +0 dB/-1,0 dB

FM Signal-to-Noise  Ratio, A -weighted

Mono :  77 dB

Stereo :  72 dB

FM Alternate Channel Selectivity:

Normal IF :  55 dB

FM Spurious Rejction:  86 dB

FM IF Rejection:  100 dB

FM Image Rejection:  68 dB

FM Subcarrier product Ratio:  58 dB

Power Consumption:  175 W

Dimensions (W x H x D):  460 x 110 x 340 mm (18-1/8" x 5-5/16" x 13-3/8")

Weight:  8,2 kg (18 lbs)