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TRADE NAME Delmonico Model 4TR-20S

SUPPLIER Delmonico International Corp. , 120-20 Roosevelt Ave., New York 68, New York
TYPE

POWER
SET
SUPPLY
Two Speed AC Operated, Four Track Stereo Tape Deck

110 11? Volts AC, 60 Cycles
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FUNCTION OF CONTROLS
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Record Lock Volume 6
Depress to lock amplifier in the Record position. Inner knob regulates the volume on the left chan-
-
2\
nel and the outer knob regulates the volume on the
Quick Stop right channel.
Pull the lever toward the front ofthe deck to stop Selector
tape motion momentarily.
Selects the recording or playbaek tracks, Stereo-
Speed Selector Mono 1-4, or Mono 2-3.
Depress for 7 l/ 2 ips and up for 3 3/4 ips. Microphone
Function Selector Insert microphone or microphones into these
jacks when making a recording.
Selects the mode of operation, Rewind, Play
Record, or Fast Forward. Record Level Meters

Fast Forward Lock T\po metersare provided to indicate thecorrect
recordinglevel. One for left channel andone for right
Depress and turn the Function Selector to Play channel.
Record to advance tape rapidly.

Power Switch
Turns the power on and off to the tape deck.

CLEANING LU BR I CATION vl
m
Pressure roller (2), capstan, play-record
(5), erase head (20), and tape guides (19), accumu-
head AII sliding levers should be cleaned occasionally
andlubricated with a nonhardening grease. This motor
-{
late tape oxide coating, which wears off the tape as it
o.
passes these parts. Use a soft cloth dipped in a"lcohql
bearings should be lubrlcated with one or two drops of o.
good motor oil. o.
to remove this accumulation.

TI
HCDWARD W. SAlulS & tG(O., I tf G. lndianapolis i, lndiana o
l-
The listing of any available replacement part herein does not constitute Reproduction or use, without express permission, of editorial or pictorial
g
m
in any case a recommendation, warranty or guaranty by Howard W. Sams
& Co., Inc., as to the quality and suitability of such replacement part. The
content, in any manner, is prohibited. No patent liability is assumed with
respect to the use of the information contained herein. O 1963 Howard W.
n
numbers of these parts have been compiled from information fwnished to Sams & Co., Inc., Indianapolis 6, Indiana. Printed in U. S. of America o\
Howard W. Sams & Co., Inc., by the manufacturers of the particular type
of replacement part listed.
MN304
DATE II -63 sET 666 FOTDER 6
OPERATI NG I NSTRUCTI ONS

To Record Qua rter-T rack Recordi ng

1. Plaee a reel of tape on the supply (feft) spin- One-fourth of the tape width ls recorded at a
dle and thread the tape from left to right"
time, thereby resulting in four-track recording. This
four-track recording is aceomplished in the following
manner:
2. Select the desired speed.

3. Connect the sound source to the tape deck am-
1. Thread the tape.
plifier. 2. Turn Selector to Mono. 1-4.
4. Select the proper tracks to record onl Stereo
Mon. l-4, or Mon. 2-3. 3. Proceed as described under "To Record".
5. Depress the Record Lock and turn the Function 4. Afterthe flrsttrack isrecorded, andall thetape
Selector to Play-Record simultaneously. wound onto the takeup reel, return the Function
Selector to StoP.
6. Turn volume control(s) until the record level
meter(s) fluctuate in the correct area of the 5. Remove the reels, turn them over, place t}te full
meter(s). reel on the supply (tett) splndle, rethread, the
tape and continue the recording.
7. To stop recording, return Function Selector to
the Stop position. 6. After this track, which is track 4, is recorded,
return the Function Selector to Stop.
Ravind
7. Turn the Selector to Mono. 2-3.
Turn Function Selector to Rewind to rewind the
tape onto the supply reel" 8. Remove the reels, turn them over, place the
full reel on the supply (left) spindle,. rethread
Fast Forward the tape, and continue the recording.
Depress the Fast Forward Lock and simultan- 9. After this track, whlch is track 2, ls recorded,
eously turn the Function Seleetor to play-Record po- turn the Frietion Selector to Stop.
sition to advance the tape to a desired spot rapidly.
10. Remove the reels, turn them over, place the
Playing a Recorded Tape full reel on the supply (left) spindle, rethread
the tape, and contlnue recording.
1. Place the reel of tape on the supply spindle (left)
and thread the tape from left to right. 11. The tape may be played back in the same man-
ner.
2. Select the correct speed.
ADJUSTMENTS
3. Turn Selector to the positionwhich corresponds
to the tape. Play-Record Head
4. Turn Function Seleetor toPlay-Record position. The recording head (5) must be aligned with the
tape. If it is not, low output, loss of high frequencies,
5. Adjust the volume control(s)to desired listening or track overlap may result. To align the head, ad-
level. iust as follows:
Eras i ng Recorded Material 1. Thread an alignment tape onto the recorder.

Any recording is automatically erased before a 2. Adjust the three spring-Ioaded mounting screws
new recording is put on the tape when it is in Record until the top of the tape is aligned evenly with
position. To erase a recording without putting new the top edge of the record head lamination.
material on the tape, proceed as follows:
3. To adjust for maximum freguency response,
1. Thread the tape. adjust the two front spring-loaded screws.
2. Turn Selector to tracks to be erased. 4. Recheck the head height.

3. Turn the volume control to its minimum counter- Erase Head
c,lockwise position.
1. Thread a tape onto the recorder.
4. Depress the Reeord Lock and simultaneously
turn Function Selector to Play-Record position. 2" Adjust the three sprtng-loaded screws until
the erase head is parallel with the tape and the
5. Use same procedure to erase the remaining top edge of the tape is aligned evenly with the
tracks if so desired. top edge of the erase head lamination.

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