Kenwood KR-8840
Data[edit]
General
- Manufacturer: Kenwood
- Model: KR-8840 (European model Kenwood KR-8340)
- Years of manufacture: 1973 - 1975
- Made in: Japan
- Color: Silver
- Remote control: no
- Power consumption: 560 W at full level
- Dimensions (WxHxD): 534 x 162 x 360 mm
- Weight: 18.7 kg
- Original price approx.: 800 US-$, 3'200 DM
Connections
- Number of inputs:
- Phono 1: 1.5 mV / 150 kOhm (max. 100 mV).
- Phono 2 with CD-4: 1.5 mV / 150 kOhm
- Microphone: 2 mV / 15 kOhm
- AUX: 150 mV / 150 kOhm
- Tape Play 1 & 2:
- Cinch: 150 mV / 150 kOhm
- DIN: 150 mV / 150 kOhm
- Antenna FM (75 Ohm Unbalanced / 300 Ohm Balanced), AM
- Number of outputs:
- Tape Rec 1 & 2:
- Cinch: 150 mV / 100 Ohm
- Tape Rec 1 & 2:
DIN: 40 mV / 50 Ohm
- Headphones Front / Rear: 2 x 6.3 mm jack plug
- 2 pairs each of front and rear speakers
Technical Data Tuner Part
- Reception: FM, MW
- Frequencies:
- FM: 87.5 - 108 MHz
MW: 525 - 1605 kHz
- Frequency response: 20 - 15,000 Hz (± 1.2 dB, FM)
- Input sensitivity:
- FM: 1.9 µV (IHF)
MW: 19 µV Distortion factor:
- FM: 0.5% (mono), 0.8% (stereo).
- Signal-to-noise ratio:
- FM: 63 dB (stereo)
MW: 45 dB
- Channel separation:
- FM: 40 dB (at 1 kHz)
- Selectivity: (IHF)
- FM: 50 dB
- MW: 45 dB
- Equal wave selection:
- FM: 3.0 dB
- Spurious wave selection:
- FM: 45 dB
- Image frequency attenuation:
- FM: 60 dB
- MW: 45 dB
IF attenuation:
- FM: 90 dB
- AM suppression: 60 dB
Technical Data Amplifier Part
- Continuous power Quadro operation:
- 8 Ohm: 4 x 25 W (1 kHz)
4 Ohm:
- Dynamic power
- 8 Ohm: 200 W
- 4 Ohm:
- Continuous power stereo operation:
- 8 Ohm: 2 x 60 W (1 kHz)
4 Ohm:
- dynamic power
- 8 Ohm: 160 W
- 4 Ohm:
- Total harmonic distortion: 0.8% (at rated power)
- Attenuation factor: 30 (8 Ohm)
- Frequency response:
- Preamplifier: 20 - 40,000 Hz ± 1 dB)
- Power bandwidth: 10 - 45,000 Hz
- Signal-to-noise ratio:
- Phono 1,2: 60 dB
- Microphone: 60 dB
- AUX, Tape: 75 dB
- Tone control:
- Bass: ± 10 dB at 100 Hz
Treble: ± 10 dB at 10 kHz
- Loudness: + 10 / + 5 dB (100 Hz / 10 kHz)
- Low Filter (Subsonic): - 8 dB at 100 Hz
- High Filter: - 6 dB at 10 kHz
- Mute: FM Muting
Special Features
- 4 VU meters
- Toggle switch for VU meter: + 20 dB
- Switch for 4-channel RM, SQ, Discrete / Stereo / Mono
- Input for CD-4 demodulator insert for KCD-2
- Bass and treble control separately for front / rear
Remarks[edit]
- Other models in the same series:
- [[Kenwood CD-4 demodulator plug-in unit KCD-2
- Kenwood KCD-2
- Introduction to Kenwood 4-channel playback technology.
Pictures[edit]
- Kenwood KR-8840 Front
Reports[edit]
- Report at "Hifi Museum" [=quadro]
Links[edit]
- External link: KR-7340 "The Vintage Knob" website: [1]