Kenwood DC-20 User's Manual
Contents
1. Sales Manual MINI COMPONENT SYSTEM a i JO lie 217 ICY Today s consumers are most likely to approach audio in a much more relaxed way than formerly They look for not only good sound attractive styling and easy operation but also for a more effective and pleasing use of living space The freedom to take their favorite music on vacation is also a primary concern However when it comes to quality of sound reproduction many of the new mini systems fall far short of expectations For the portable cassette radio descendent of the 50 s transistor radio sound quality is of little concern But there are many im pressive looking mini stereo systems too that simply do not put out the quality of sound the hi fi fan is accustomed to They often inadequate power amp KENWOOD output and speakers as well as inferior tuner and tape performance The new Kenwood DC 20 is therefore designed to fill the gap between true hi fi sound on one hand and space saving miniaturization and portability on the other It incorporates audio circuitry designed by some of the audio world s most experienced engineers and computerized automatic systems and it offers the portability that allows the system to be taken out of the home and away on vacation Here at last is a mini hi fi system that is perfect for today s alert but relaxed casual but demanding consumer O Sales Points e Genuine hi fi perfo2. For this reason specifications may be changed without notice Treademark of Dolby Laboratories Licensing Corp DAI ay aie Ss EI eB IM PRED Mes ae ASS A product of TRIO KEN WOOD CORPORATION Shionogi Shibuya Building 17 5 2 chome Shibuya Shibuya ku Tokyo 150 Japan A cer Ne Sy A Lou LA CV SS KENWOOD ELECTRONICS INC 1315 E Watsoncenter Rd Carson California 90745 75 Seaview Drive Secaucus New Jersey 07094 1141 North Tower Lane Bensenville Illinois 60106 U S A TRIO KENWOOD CANADA INC 1070 Jayson Court Mississauga Ontario Canada L4W 2V5 TRIO KENWOOD ELECTRONICS N V Leuvensesteenweg 504 B 1930 Zaventem Belgium TRIO KENWOOD ELECTRONICS GmbH Rudolf Braas Str 20 6056 Heusenstamm West Germany TRIO KENWOOD FRANCE S A 5 Boulevard Ney 75018 Paris France TRIO KENWOOD SVENSKA AB Kemistvagen 10A P O Box 68 S 183 21 Taby Sweden TRIO KENWOOD AG Unterboesh 6331 Huenenberg ZUG Switzerland TRIO KENWOOD AUSTRALIA PTY LTD 4E Woodcock Place Lane Cove N S W 2066 Australia KENWOOD amp LEE ELECTRONICS LTD Wang Kee Building 5th Floor 34 37 Connaught Road Central Hong Kong MF537 8108043SA Printed in Japan
3. second press during this interval continues with another 5 seconds etc At the end pause is activated Continuous pressure maintains indefinite zero signal recording Full logic tape control keys Positive action instant response keys with pr fessional feel Direct interchange between drive modes Direct tuning via memory presets STATION CALL keys S1 to S5 with LED indicators MEMORY key for entering stations into memory Automatic or manual SCAN tuning In MANUAL mode a press on a scan tuning key sends tuner up or down the band by one allocated channel step Continuous pressure finds a de sired frequency at speed In AUTO mode a press on a scan tuning key sends the tuner to the nearest available active station Continuous pressure bypasses frequencies to find the first available active station after the key is released Push lock volume knob Pushes in near panel face for portable use 5 DPSS Repeat key Operation and Display Guide The Direct Program Music Search System DPSS This is a direct access search system that allows the operator to play a selected music number forward or back by locating inter program gaps and skipping selections Up to 7 programs can be made in forward direction 6 in reverse In other words to play the next selection skipping the current one press the FF key once To play the preceding selection press the REW key twice one press plus one for the current selection L
4. EDs indicate the number programmed and countdown to the desired selection os jee a aii apa o 11 lel e JTC RE REC EJECT ee ai n a REC ALTO td M _ _u OPERATION el FE REC Ca a REC AUTO a REC Fe lose MUTE CPERAQN al 7 cycle repeat When in playback a repeat of the currently playing selection can be effected by pressing the PLAY key This is possible for a total of 7 playback cycles cancellable at any time by the STOP key LEDs countdown the repeats to zero each flashing slowly during playback rapidly during rewind When the entire repeat cycle is ended normal play of the remainder of the tape resumes PEW DPSS FF O0PSS mE SH Y e 11 tet Fe REC ar ler PER Ant id E STi E ot E MUTE AAA VAS OPERA y l Continuous repeat of entire tape side Activated by pressing PLAY and REW keys simultaneously and indicated by flashing LEDs The side will be repeated in definitely until ordered to stop by the STOP key FEW DPSS Pat bog sainn eo il loi sm REC AUTO en a oe 5 REC EE FD MUTE ATON e Flying start recording To start recording immediately after listening to a previously recorded passage without using the stop mode It is activated by holding down the REC key during playback then pressing the PLAY key the instant when recording must be started Lee Ws se Lo m 33 crave Pra REW GJ Immediate re recording Pressing the
5. OBKOE exis Monitor Power Output Pro CUE LOW raoran a Rec Output Level 5 Xx3 Cone Type Full Range Speaker 3 4 watts 1 0 T H D into 8 ohms 150mV 150mV Signal to Noise Ratio IHF A Input Sensitivity A AN AEE PONS US AAA Frequency Response Phono RIAA Response Tone Control A A Loudness 30dB Vol FM TUNER SECTION Tuning Frequency Range Usable Sensitivity Total Harmonic Distortion at 1kHz E roi cage vs nu nue OY ER Signal to Noise Ratio at 65dBf A Ab PM NE A CRIA A on Frequency Response is Image Rejection Ratio anis a Alternate Channel Selectivity Stereo Separation AM TUNER SECTION Tuning Frequency Range Usable Sensitivity Loop Signal to Nowe Ratio ori tn he A CASSETTE DECK SECTION om acer II al Hoad RBC PLAY as EU Hill e o AA Signal to MORE OOO zeoe Harmonic DistorlloA ve Frequency Response Nonna iape uen E NT E o O A PERS 70dB 2 5mV 88dB 150mV 65dB 2 0mV 30Hz to 15kHz 0 2dB 10dB at 100Hz 10dB at 10kHz site 8dB at 100Hz 87 5MHz to 108MHz 13 2dBf 2 54V 300 ohms 30Hz to 15kHz 0 5 1 5dB 78dB 55dB 400Hz 36dB at 1kHz 30dB at 50Hz to 10kHz 530kHz to 1 620kHz USA amp Canada 522kHz to 1 611kHz O
6. REW key while in recording mode locates the tape at the starting point of the original recording and places the deck on stand by DALAL AR ARAL ALA 00 Optional carrying cases e ET xenwooo en K KENWOOD CC 20T Totally enclosing suitcase size made of ultra lightweight durable materials With long life shoulder strap Either side of case opens out Case holds entire DC 20 in cluding speakers CC 20K Semi enclosing suitcase size of same materials With carrying strap Both sides of case are open CC 20S Totally enclosing vinyl leather carrying case for cassette tuner core without amplifier and speakers Side vents for monitor speaker sound outlet button down removable front and back flaps for accessibility to controls AD 15 Car Battery Adaptor for DC 20 e DC AC inverter 12 13 5V DC input 110 120 or 220 240V output voltages eFunctions as part of the DC 20 system DC 20P POWER AMPLIFIER Power Output 20 watts per channel minimum RMS both channels driven at 8 ohms from 40Hz to 20kHz with no more than 0 1 total harmonic distortion Both Channels Driven into 8 ohms at 1kHz 24 watts 24 watts Dynamic Power Output into 8 ohms Total Harmonic Distortion rated TU SR Signal to Noise Ratio IHF A Frequency Response Input Sensitivity Impedance 70 watts DC 20X CASSETTE AMPLI TUNER AUDIO SECTION Montor OP
7. ing With SOURCE and MIC level con trol As one is increased the other decreases 2 way 2 speaker bass reflex system High power handling with rigid en closure for low resonance and clear er output even from compact speak ers Enclosure is particle board covered with aluminum sheet fin ished in matte silver color to match the center units Power amplifier Genuine high fidelity perfor mance 20 watts per channel min RMS into 8 ohms from 40Hz to 20 kHz with no more than 0 1 total harmonic distortion Front panel selector for A B or A B external speaker systems LED power ON indicator Digital frequency readout LED dot countdown indicators For DPSS music search or Repeat operations LEDs illuminate and extinguish one by one as pro grams are skipped DPSS or as single selection repeat cycles are completed Operation information display For DPSS music search REPEAT and normal directional operation in cluding LEDs for PLAY FF and REW STOP REC amp REC PAUSE and REC MUTE Indicators flash rapidly or slowly according to operation Op eration guide panel is below REC amp PAUSE key Alternate presses activate recording or pause modes Recording is ac tivated by a single press AUTO REC MUTE This key provides an automatic 5 second patch of silent recording Useful for effective DPSS intertrack gap location or for eliminating unwanted material while recording One press gives 5 seconds a
8. o more than 0 1 total harmonic distortion e Phono S N ratio IHF A 70dB at 2 5mV e Phono frequency response 30Hz 15kHz 0 2 dB DC 20S Speaker System e 2 way 2 speaker system e Frequency response 70Hz 20kHz e Sensitivity 87 dB at 1 meter Operating Features A DC 20S Speaker System B DC 20X Cassette Ampli Tuner C DC 20P KENWOOD Power Amplifier Tape priority indicator SOURCE STAND BY indicates tape is standing by ready for play at any time including during broadcast listening just by pressing the tape PLAY key At the end of the tape the original broadcast reception or other source is resumed SOURCE STAND BY mode is activated by depressing FM or AM or PHONO AUX selector keys below When TAPE key is selection a TAPE ONLY results gt 4 2 4 1 4 Se oe ae ee KENWOOD ail nt Hil SERRANA EA Dolby noise reduction system Easy tape selection and metal tape Each tape type is automatically optimized O gt DERE BA y a K o do e er des el ss de gt Timer Stand by For connection to outboard audio timer Operates in Play or Record modes Selector keys Depress FM or AM keys to activate tape priority in SOURCE STAND BY mode No 1 Bass and Treble slider controls Loudness switch For a more natural sound at low volume levels ACCUSONIC switch Creates better stereo image when listening close by Mic Mix
9. rmance e Ideal as second hi fi system at home e 3 way portability Full system portable using any AC line outlet or operating on vehicle or boat battery by using the AD 15 Adaptor or supplied dry battery pack e Detachable main power amplifier e Detachable high performance speaker system Rigid low resonance enclosure Cassette tuner core has built in monitor speakers e Full size floor type speaker system can be fully driven by power amplifier e Computerized automatic music search system 7 selections forward 6 back See Automatic Features e 7 cycle automatic repeat of a selection See Automatic Features e Continuous full repeat of entire cassette side See Automatic Features e LED operations display panel And LED dot countdown display e Accurate quartz synthesizer tuning e Digital scan or manual tuning e Direct tuning via memory presets 10 channels 5 FM 5 AM e Metal tape Dolby NR and Accusonic stereo enhancer switch Key Specs DC 20X Cassette Ampli Tuner Cassette Deck section e Wow and flutter 0 05 WRMS e S N ratio 61 dB Metal Chrome Dolby on e Frequency response 25Hz 16kHz Metal Tuner section e FM usable sensitivity 13 2 dBF 2 5 uV e FM S N ratio Stereo 62 dB e FM THD at 1kHz Stereo 0 5 e Stereo separation 36 dB at1 kHz e FM selectivity 55 dB 400 Hz DC 20P Power Amplifier e Power output 20W plich min RMS both channels driven at 8 ohms from 40Hz 20kHz with n
10. thers 700 V m 45dB 35dB 4 Track 2 Channel Stereo Recording Playback Electronical Controlled DC motor Permalic Hi B Permalloy Head Sendust Alloy Ferrite Head 0 05 WRMS 0 18 DIN 61dB Metal amp CrO 60dB Normal at Dolby ON 1 0 at 1kHz OVU Metal Tape 25Hz 15kHz 25Hz 15kHz 25Hz 16kHz DC 20 S SPEAKER SYSTEM SINO usara 2 way 2 Speakers O ira Bass Reflex Passive Radiator type Mounted Drivers Low Mid Freq Driver 100mm 4 Cone Type High Freq Driver 25mm 1 Dome Type uo RR 8 ohms Maximum Input Power 30 watts EE AA 87dB w at 1m Frequency Response 70Hz to 20kHz Crossover Frequency 3kHz PA a Aluminum sheet wrapped particle board with silver painted finish GENERAL DC 20X DC 20P DC 20S Power Requirement 60Hz 120V USA amp Canada or 50 60Hz 110 120 220 240V Battery DAVO issues DC 12V UM 1 x 8 for Memory UM 3 x 2 o AA Switched 1 Power Consumption 40 watts 120 watts at rated power output a 13 7 lbs 7 7 lbs 5 5 lbs 6 2kg 3 5kg 2 5kg CITADAS V sarria 11 13 32 11 13 32 5 1 32 290mm 290mm 128mm MW assesses 9 3 16 3 5 16 12 5 32 233mm 79mm 309mm nn ncaa 5 29 32 5 29 32 5 3 32 150mm 150mm 129mm Kenwood follows a policy of continuous advancements in development
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