Products

SL-102 broadcasting turntable


Due to its long experiences as well as to uninterrupted research and
development work, the factory is in a position to offer a comprehensive
range of broadcasting turntable designed to satisfy the requirements of
the most exacting broadcaster.
The large quantities manufactured have allowed to automate the
production to a large extent with the result of an extremely stable
high-precision mechanical contstruction keeping its characteristics for
many years of operation.
Studio turntable type SL-102 manufactured by Mechanikai Laboratórium
is an up-to-date device for studio quality record play-back using the latest
results in design and technology, offering outstanding features in technical
parameters, ease of handling and hihg operational safety.

 

Most important features:

1. Direct drive system providing good technical parameters and a simple,
 
reliable contstruction by minimizing the number of the moving parts and the
 required driving energy.
2. Single lumped operating unit which connects the necessary operational
 steps in logical sequence.
3. Automatic reverse positioning is one of the most exclusive feature of the
 equipment. The record is automatically turned back exactly with an angle
 which is necessary to reach nominal speed at a pre-selected point of the
 groove, and since the output is muted until nominal speed is reached, start
 of playback can be pre-selected with an up-to-thesyllable precision. The idea
 and the circuitry needed to realise it, are patented.
4.  Automatically muted, click-free sound output.
5.  Built-in step noise absorber.
6.  Electronic stroboscope (XTAL)
7.  Easy and precisely adjustable stylus pressure and antiskating pressure.
8.  Intensive sensor operated stylus lighting.
9.  Built-in equalizer, amplifier and monitor loudspeaker (mono).
10. Stereophonic monitoring provided.


 Techincal characteristics

Running gear  
Speed

33 1/3, 45, 78 rev/min.

 

Stability of revolutions better than 0.3 %
Wow and flutter (according to DIN 45539) <= 0.07% (weighted)
Signal to noise ratio >= 70 dB
Rumble (stereo DIN 45539)

>= 53 dB - weighted

>= 70 dB - linear

Running time 0.3 sec (at 33 1/3 rev)
Ampfiliers

 

Output level

2X1,55 V

(+6 dBm, max=18 dBm)

Output impedance

50 ohm/symm.

Frequency response (31.5 Hz-15 kHz) within + 1/-3 dB

RIAA: 75-318-3180 µs resp.

FLAT: 0-318-3180 µs

Distorsion (31.5 Hz - 15 kHz) <= 0.5% (+12 dBm level)
Crosstalk attenuation >= 40 dB (31.5 Hz - 15 kHz)
Monitoring output 0-3 V (2X400 Ohm)
Pick up head EMT TSD 15 SHURE M75 EJ
Stylus diamond 15 µs diamond 10/18 µs
Stylus pressure

2 - 3 gr

1.5 - 3 gr
Change of stylus with cartridge only yes
Crosstalk at 1 kHz 25 dB 25 dB
Sensitivity 0.15 mVs/cm 1 mVs/cm
Compliance 12.1-6 cm/dyn 25.1-6 cm/dyn
Load 200 Ohm 47 kohm
Sign of preamplifier EMT TSD 15 SHURE M75 EJ
Power supply

220 V ± 10%

40-60 Hz one-phase mains

Consumption

30 VA

max. 60 VA
Dimensions

660 X 490X 920 cm

Weight
approx. 40 kg
Environmental operating specifications

 

Temperature

10 - 45 °C (50-113 °F)

Humidity

20 - 95%, non-condensing

Model designation

Type SL-102/SA

with SHURE M75 EJ pick-up

Type SL-102/TA

with EMT TSD 15 pick-up

                                                  

                                      
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