American Audio Turntable TTD2400 User Manual

							
  CONTROLS AND FUNCTIONS
©American Audio®   -   www.americanaudio.us   -   TTD-2400™ Instruction Manual Page 11
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The  PLATTER  (20)  has  four  rows  of  indicators.  These 
indicators are used to visually detail various stages of 
pitch.  The  indicators  are  illuminated  by  the 
STROBE 
INDICATOR PILOT LAMP (4). Each row may appear to 
stand still at different pitch levels. 
Note:
  The  use  of  heavy  fluorescent  lighting  directly 
above  the  turntable  will  defeat  the  STROBE  LAMP 
PILOT LAMP (4)  affect indicator accuracy.
2. STROBE INDICATORS -
This  spindle  holds  the  turntable PLATTER  (20)  and 
records stable and centered. 
3. CENTER SPINDLE - 
This  is  lamp  specially  designed  to  pulse  a  beam  of 
light at the STROBE INDICATORS (2)
 on the turntable 
PLATTER (20). This will give the illusion that indicators 
are not spinning at certain speeds.
4. STROBE INDICATOR PILOT LAMP - 
This  is  a  rotary  power  switch.  To  turn  main  power  on 
turn  the  switch  in  a  clockwise  direction.  To  turn  main 
power  off  turn  the  switch  in  counter-clockwise  direc
-
tion. 
5. POWER SWITCH -  1. EP ADAPTER - 
This  adapter  allows  you  to  play  standard  7”  EP  vinyl 
records  with  large  center  holes.  Place  the  adapter  on 
the 
CENTER SPINDLE (3) 7" records. 
						

							
  CONTROLS AND FUNCTIONS
©American Audio®   -   www.americanaudio.us   -   TTD-2400™ Instruction Manual Page 12
After  attaching  the  headshell  to  the  tonearm,  this 
locking  nut  will  securely  hold  the  headshell  to  the 
tonearm. 
8. HEADSHELL LOCKING NUT -
The  tonearm  is  the  mechanism  that  holds  the 
HEAD-
SHELL  (7)  and  stylus  allowing  it  to  glide  across  a 
record. 
9. S-SHAPED TONE ARM -
Engaging this button will rotate the platter at 33 revo
-
lutions per a minute (RPMs). A function LED will glow 
when this function is activated.
10. 33-RPM SPEED SELECTOR BUTTON -
Engaging this button will rotate the platter at 45 RPMs. 
A  function  LED  will  glow  when  this  function  is  acti
-
vated.
11. 45-RPM SPEED SELECTOR BUTTONS - 
This  lever  is  used  to  safely  elevates  the  tone  arm 
above a record surface without endangering a records 
surface.
13. TONEARM LEVER - 
Use  this  rest  to  safely  hold  the  tonearm  in  position 
during non use and transportation.
14. TONEARM CLAMP AND REST - 
The  anti-skate  applies  inward  force  to  the  tonearm 
to  prevent  outward  skipping  across  the  record  due 
to  the  centrifugal  force  cause  by  platter  rotation.  The 
antiskate value should be equally to that of the stylus 
counterweight pressure (see counterweight 16).
15. ANTI-SKATE CONTROL -
The  counterweight  adjustment  applies  the  proper 
downward pressure on the stylus. 
16. COUNTERWEIGHT -  The included 
HEADSHELL (7)  is used to connect your 
stylus with the tone arm.
7. STYLUS HEADSHELL - 
This  slider  is  used  to  adjust  the  playback  pitch  per
-
centage  (platter  speed).  Use  this  slider  to  match  the 
BPM’s of this unit to that of another music source. 
12. PITCH ADJUST SLIDER -  This  over  sized  push  button  controls  platter  motion. 
When  the  unit  is  turned  on  the  platter  will  not  auto
-
matically  begin  to  spin.  Pressing  the  button  once  will 
engage  the  high  torque  motor  and  spin  the  platter, 
pressing this again will stop the platter.
6. START/STOP BUTTON -
17. EXTRA STYLUS HOLDER - 
This  cut  out  has  been  designed  to  safely  store  an 
extra stylus headshell.
18. RCA OUTPUT JACKS -  These jacks are used to send a low voltage "phono" 
level  output  signal  to  a  mixers  "phono"  input  jacks. 
Turntables  should  only  be  connected  to  “Phono” 
inputs  on  a  mixer.  The  red  colored  RCA  jack  repre
-
sents  the  right  channel  input  and  the  white  repre
-
sents the left channel input.  
						

							
  CONTROLS AND FUNCTIONS
©American Audio®   -   www.americanaudio.us   -   TTD-2400™ Instruction Manual Page 13
This platter connects directly to the center spindle (3). 
The platter and center spindle (3) holds a vinyl record  
perfectly center. The platter also spins the record at a 
consistent speed.
20. PLATTER - This  ground  connection  is  designed  to  reduce  the 
humming  and  popping  noises  associated  with  mag
-
netic  phono  cartridges.  Be  sure  to  connect  the  turn
-
table ground lead to any available ground terminal on 
the same mixer the input signal leads are connected 
to.
19. GROUND CONNECTOR - 
						

							
1-YEAR LIMITED WARRANTY
A.  American Audio
® hereby warrants, to the original purchaser, American Audio® products to be 
free of manufacturing defects in material and workmanship for a period of 1 Year (365 days) from 
the date of purchase. This warranty shall be valid only if the product is purchased within the United 
States of America, including possessions and territories. It is the owner’s responsibility to establish 
the date and place of purchase by acceptable evidence, at the time service is sought. 
B.  For  warranty  service,  send  the  product  only  to  the  American  Audio
®  factory.  All  shipping 
charges  must  be  pre-paid.  If  the  requested  repairs  or  service  (including  parts  replacement)  are 
within the terms of this warranty, American Audio
® will pay return shipping charges only to a desig-
nated point within the United States. If the entire instrument is sent, it must be shipped in its origi
-
nal package. No accessories should be shipped with the product. If any accessories are shipped 
with the product,  American  Audio
® shall  have no liability whatsoever for loss of or damage to any 
such accessories, nor for the safe return thereof.  
C.  This warranty is void if the serial number has been altered or removed; if the product is modi
-
fied in any manner which American Audio
® concludes, after inspection, affects the reliability of the 
product; if the product has been repaired or serviced by anyone other than the American Audio
® 
factory unless prior written authorization was issued to purchaser by American Audio
®; if the prod-
uct is damaged because not properly maintained as set forth in the instruction manual. 
D.  This is not a service contract, and this warranty does not include maintenance, cleaning or peri
-
odic check-up. During the period specified above, American Audio
® will replace defective parts at 
its expense, and will absorb all expenses for warranty service and repair labor by reason of defects 
in material or workmanship. The sole responsibility of American Audio
® under this warranty shall be 
limited to the repair of the product, or replacement thereof, including parts, at the sole discretion of 
American Audio
®. All products covered by this warranty were manufactured after January 1, 1990, 
and bear identifying marks to that effect. 
E.  American Audio
® reserves the right to make changes in design and/or improvements upon its 
products  without  any  obligation  to  include  these  changes  in  any  products  theretofore  manufac
-
tured. 
F.  No  warranty,  whether  expressed  or  implied,  is  given  or  made  with  respect  to  any  accessory 
supplied  with  products  described  above.  Except  to  the  extent  prohibited  by  applicable  law,  all 
implied warranties made by American Audio
® in connection with this product, including warranties 
of merchantability or fitness, are limited in duration to the warranty period set forth above. And no 
warranties, whether expressed or implied, including warranties of merchantability or fitness, shall 
apply  to  this  product  after  said  period  has  expired.  The  consumer’s  and  or  Dealer’s  sole  remedy 
shall be such repair or replacement as is expressly provided above; and under no circumstances 
shall American Audio
® be liable for any loss or damage, direct or consequential, arising out of the 
use of, or inability to use, this product. 
 
G.  This warranty is the only written warranty applicable to American Audio
® Products and super-
sedes  all  prior  warranties  and  written  descriptions  of  warranty  terms  and  conditions  heretofore 
published. 
     WARRANTY
©American Audio®   -   www.americanaudio.us   -   TTD-2400™ Instruction Manual Page 14 
						

							
 SPECIFICATIONS
GENERAL 
Model:  American Audio
® TTD-2400 - Direct Drive Phono Turntable
System:  2-Speed Direct Drive Phono Turntable Table 
Dimensions:   17.72” (W) x 13.7” (D) x 5.4" (H)
      
450 (W) x 350 (D) x 139 (H) mm
Installation:                          Place on flat surface or mount in flat case
Weight:  22 Lbs. / 9.5 Kgs  
Power supply:  AC 115v~60Hz/230v~50Hz  
Power consumption:  9W
Environmental conditions:  Operational Temperature: 5 to 35˚C (41 to 95˚F)    
       Operational Humidity: 45 to 85% RH (non-condensation)   
       Storage Temperature: -10 to 60˚C (4 to 140˚F)
Accessories: Instruction Manual,  
      
Headshell, 
       45 RPM Adaptor
TURNTABLE SECTION
Type:  2 Speed Fully Manual
Motor:  8 Pole, 2 Phase, Brushless DC Motor
Driving Method:   Direct Drive
Turntable Platter:   330 mm dia. Aluminum Diecast
Speeds:   33-1/3 and 45-rpm 
Wow and Flutter:  Less than 0.15% WRMS (JIS WTD) with 331/3rpm
S/N Ratio:   More than 50dB (DIN-B)
Pitch Controls:   +/- 10%
Starting Torque:   More than 1 kgf.cm
Braking System:   Electronic brake
Starting Time:   Less than 1 sec.
Braking Time:   Less than 1 sec.
Time for Speed Change:  Less than 1 sec. from 33 to 45 rpm.
       Less than 1 sec. from 45 to 33 rpm.
High of Cue (first track):   6~10 mm
Descend of Cue:   5 sec.
      
TONEARM SECTION
Type:   Static balanced straight shaped tonearm with detachable headshell
Effective Arm Length:   220mm
Overhang:   10mm
Tracking Error Angle:   Less than 3 degree
Tracking Force Adjustment Range:   3-4g
Applicable Cartridge Weight:  6-10g
Anti-skating Range:   0-7g
Output:   1.5-3.6mV at 1KHz 5cm/sec 
Frequency Response:   20Hz - 20KHz
Channel Separation:   More than 15 dB
Channel Balance:   Within 2.5dB at 1KHz
Needle Pressure range:   2.5g
SPECIFICATION
DESCRIPTIONS   UNIT     NORMAL     LIMIT
Output Difference::  dB     2.3       2.54
Output Level:   mv     1.7~3.5     1.5~3.6
Speed (Speed Range) +/- 10%   Hz     2.7K  ,3.3K     2710  ,3290
Speed (Center Range)   Hz     2995~3005     2990~3010
Wow and Flutter   %    0.13       0.15
Channel separation   dB     16       15
©American Audio®   -   www.americanaudio.us   -   TTD-2400™ Instruction Manual Page 15 
						

							
©American Audio®
American DJ® Group of Companies World Headquarters: 4295 Charter Street Los Angeles, CA 90058 USA Tel: 323-582-2650  Fax: 323-582-2610
Web: www.americanaudio.us  E-mail: [email protected]