730

730

Stereo Receiver (40 watts x 2)

Sold from 1976 until 1977

Predecessor Product: 930
Successor Product: HK 670

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Product Specifications

Amplifier Power (RMS)
40 W min./ch @ 8 ohms with <0.1% THD
Power Bandwidth
from 10Hz to 40kHz @ <0.1/THD into 8 ohms
Frequency Response
4Hz – 130kHz (±0.5dB)
Rise Time
1.5usec SQUARE WAVE – POWER AMP – <1.5usec
Square Wave Tilt
< 5%
Total Harmonic Distortion
< 0.1% from 250milliwatts to 40watts RMS
Total Harmonic Distortion
FM MONO – 0.3% (1kHz)
Total Harmonic Distortion
FM STEREO – 0.4% (1kHz)
Transient Intermodulation Distortion (TIM)
40 watts SMPTE < 0.12% and 1 watt SMPTE < 0.15%
Hum and Noise
better than 60dB below rated output (unweighted) -40dB
Damping Factor
> 30 (1kHz @ 1watt)
Input Sensitivity
POWER AMP – < 1.2V
Input Impedance
POWER AMP – 33kilohms
Signal-to-Noise Ratio
POWER AMP – > 90dB @ 40 watts
Output Impedance
PREAMP – 600 ohms
Phono Overload
>95mV
RIAA Equalization
±1.0dB
Loudness Control
+10dB @ 50Hz
Filter
HIGHCUT – -10dB @ 10kHz
Filter
LOWCUT – -6dB @ 50Hz
Image Rejection
-80dB -75dB
Spurious Response Rejection
-80dB
IF Rejection
-90dB -60dB
Multiplex Separation
40dB (1kHz)
Output Level
0.5V AM Signal for 1 watt < 150uV/M
Selectivity
AM – 35dB
MSRP U.S.
$419.95 each
Sensitivity
AM... > 250uV/m
Sensitivity
FM... IHF – 1.9uV
Sensitivity
FM... MONO – 3.5 @ -50dB
Sensitivity
FM... STEREO – 35uV @ -50dB
Capture Ratio
FM... 2dB
AM Rejection
FM... 60dB
Alternate Channel Selectivity
AM… 55dB
Alternate Channel Selectivity
FM… 80dB

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