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11. 

MODE 

This  switch  is  used  to  change  over  from  monaural  to  stereo. 
LEFT  .  .  .  .  .  .  .  .  .  .  .  Sound  entering  the  left  channel  input  terminal 

emerges  from  both  speakers. 

RIGHT  .  .  .  .  .  .  .  . 

Sound  entering  the  right  channel  input  terminal 

emerges  from  both  speakers. 

STEREO  .  .  .  .  .  .  .  .  Completely  separates  the  two  channels  for  stereo 

reception. 

REV  .  . 

.  .  .  .  .  .  .  .  Reverses  the  left  and  right  channel  sounds. 

12. 

TUNING  1 

For  left  channel  station  selection  to  listen  to  medium  wave  stereo  as 
well  as  FM  broadcasts. 

13. 

TUNING  2 

For  right  channel  station  selection  to  listen  to  medium  wave  stereo  and 

shortwave  broadcasts. 

14. 

LEFT  CHANNEL  MAGIC  EYE 

When  you  select  the  station  with  the  TUNING 

knob,  see  that  the  magic 

eye  expands  to  its  maximum. 

15. 

RIGHT  CHANNEL  MAGIC  EYE 

When  you  select  the  station  with  the  TUNING 

knob,  see  that  the  magic 

eye  expands  to  its  maximum. 

16. 

SOCKET  FOR  TAPE  RECORDER  WITH  RP  CORD 

17. 

RIGHT  SPEAKER  TERMINAL 

(DIAGRAM  8) 

18. 

IMPEDANCE  SWITCH 

Switch  to  correspond  with  speaker  impedance. 

19. 

SPEAKER  PHASING 

Use  this  switch  according  to  instructions  given  in  Pointers  section  on 
phasing  adjustment. 

20. 

LEFT  SPEAKER  TERMINAL 

21. 

STEREO  HEADPHONE  JACK 

Plug  the  headphone  cord  into  this  jack  to  listen  to  stereo  broadcast 
over  the  headphone. 

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15

13

8

1

2

3

4

5

6

7

9

10

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Summary of Contents for W-38

Page 1: ...INSTALLATION AND OPERATING MANUAL DELUXE STEREOPHONIC AMPLIFIER AM AM FM SW Tuner Combination MODEL W 38 DISTRIBUTOR www hifiengine com ...

Page 2: ...joy on the spot listening by adjusting the Loudness Control 5 Rumble Filter Irritating low level motor rumbling disturbances can be filtered out with the Rumble Filter 6 RP Cord Tape Recorder Terminal The W 38 is equipped with a special socket of the kind agreed to among the major tape recorder manufacturers a RP cord terminal by which recording and reproduction are possible using only one connect...

Page 3: ... speaker midway between the two making the connections as shown in Diagram 2 By supplementing the volume in this way you can enjoy a very natural sterephonic reproduction RIGHT SPEAKER IMP SELECT LEFT SPEAKER RIGHT SP PHASE POSITION OF SPEAKER PHASE CENTER DIAGRAM 2 so won VOL CONT LEFT LEFT SPEAKER 3rd SPEAKER DIAGRAM 3 RIGHT SPEAKER If you decide to use three speakers first adjust the phasing of...

Page 4: ...MINAL DIAGRAM 4 DIAGRAM 5 IMPORTANT Do not place the antenna line near fluorescent lighting which causes disturbance in the form of a buzz Antenna for Listening to a FM Broadcast Connect the FM antenna to G and FM as shown in Diagram 1 Turn the horizontal part of the T shaped ant nna towards the direction in which you can receive optimum reception and then pin both ends to either the ceiling or wa...

Page 5: ...h a RP cord you can reproduce stereo recording merely by plugging the cord into the socket provided for this purpose Recording with a tape recorder Connect the lead lines from the LINE IMPUT terminals of the tape recorder to the terminals marked TAPE REC In the case of monaural recording either one top or bottom of the terminals may be used Playback of tape recorder Connect the lead line from the ...

Page 6: ...lockwise to boost 6 TREBLE CONTROL The treble tones of both the left and right speakers can be adjusted simultaneously Turn clockwise to boost 7 BALANCE CONTROL This knob is for the purpose of balancing the left and right speakers Turn counter clockwise to boost the volume of the left speaker and clockwise that of the right speaker 8 FM STABILIZER FM AFC OFF Select FM station with switch at this p...

Page 7: ...ereo and shortwave broadcasts 14 LEFT CHANNEL MAGIC EYE When you select the station with the TUNING 1 knob see that the magic eye expands to its maximum 15 RIGHT CHANNEL MAGIC EYE When you select the station with the TUNING 2 knob see that the magic eye expands to its maximum 16 SOCKET FOR TAPE RECORDER WITH RP CORD 17 RIGHT SPEAKER TERMINAL DIAGRAM 8 18 IMPEDANCE SWITCH Switch to correspond with ...

Page 8: ...ectricity is on 2 VOLUME CONTROL 3 LOUDNESS CONTROL 4 RUMBLE FILTER 5 BASS CONTROL 6 TREBLE CONTROL 7 BALANCE CONTROL 9 SPEAKER SWITCH 2 RECORD PLAYBACK WITH STEREO PICKUP 10 PHONO 11 STEREO or REV 3 PLAYBACK OF TAPE RECORDER 10 AUX 11 STEREO OR REV Stereo reproduction LEFT When the left input terminal is used for monaural listening 4 RECORDING WITH A TAPE RECORDER The exact sounds coming out the ...

Page 9: ...M2 11 STEREO or REV 12 FM Station Selection 13 AM Station Selection 8 Select FM station at OFF position and listen at ON 11 STEREO HEADPHONE USE 21 Plug in headphone jack 9 OFF To eliminate speaker sound ON To bring out the speaker sound DIAGRAM 9 V POINTERS 1 It takes approximately 50 seconds for the sound to emerge from the recorder after switching on the power A direct current flows into the fi...

Page 10: ...t hum 4 HOWLING When the record player is placed directly on top of the speaker case or close by it the sound from the speaker travels to the player pickup needle and causes howling It then becomes impossible to raise either the volume or boost the bass tones Adjusting the amplifier will not help since it is not responsible for the howling In order to avoid howling keep the player case and speaker...

Page 11: ...0dB 94Mc AM 46dB 1Mc Mag 3mV X tal 36mV input required for S N 20dB quieting AUX 225mV input required for 9 watt output SOc s f 10 5dB lOKc 8dB 1 8dB 8 5dB 50c s 8dB 20c s 15dB 50c s 15dB 10Kc 4dB Volume control at 30dB 14 watts per channel undistorted output 10 watts or 28 watts in total Harmonic Distortion less than 2 Within 20c s 50Kc 0 5dB output at 500mW RIAA MAG 30mV AUX 4mV volume maximum t...

Page 12: ...www hifiengine com ...

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