Teac TN-400 - Page 4

~ Specification
Drive System Direct drive
Motor 20-pole, 60-slot, ultra-low speed DC servo motor
Turntable 30 cm (12”) diam. die-cast aluminum
weight: 2.4 kg, inertial mass: 325 kgm?
Speeds 33-1/3 and 45 rpm
Speed Selector Electronic selector system with ELECTRO-TOUCH switches
Speed Adjustment +4% from rated speed
Start Characteristics Within 3/4 revolution at 33-1/3 rpm
Wow and Flutter 0.03% (wrms)
Signal to Noise Ratio 60 dB
Power Requirement 240V AC, 50Hz, 15W
Dimensions 4-3/4" (H) x 12-3/4" (W) x 14-5/8" (D)
[121(H) x 324(W) x 370(D) mm]
Weight 18-5/8 Ibs [8.5 kg] net
Standard Accessories 45 rpm center adaptor, Silicone cloth,
Mounting screws set.
Feature and specifications subject to change without notice. ese
* Photographs and/or illustrations may differ slightly from the appearance of your unit .
when production design improvements are incorporated.
45 rpm SPINDLE ADAPTOR
STYLUS OVERHANG SCALES
Inner scale radius = 10 mm
Outer scale radius = 15 mm
BUBBLE SCALE for azimuth balance.
SPEED CONTROL FINE ADJUSTMENT
KNOBS
Adjust for accurate turntable speed while
observing the stroboscope indicator. +4%
variation is provided.
MAGNEFLOAT Position Detector
Shield Cover_ monet, || meanest
it Position Detector Pickup
Stator Field Coil a fl eee + Rotor(turntable}
y —_e”:0UmttCtCte
Stator core a 2 . iz — : “| Rotor magnet
STROBOSCOPE SPEED INDICATOR
Four bands of marks are illuminated under
the window by neon lamps. When speed is
accurate, the appropriate band appears to
stop moving.
Servo Control j
circuit board
es (COW