Micro-18 Micro Cassette  (140-1042)   Specifications   Faxback Doc. # 16409
Recorder

Controls:...............................Push button for fast-forward (cue),
                                        play, rewind(review), record, stop,
                                             eject, volume control (rotary)
External Connections
   Earphone jack:.......................................................3.5
   DC jack:.............................................................2.5
   MIC jack:............................................................3.5
Chassis and Circuit
   IC:....................................................................2
   Diodes:................................................................5
   Transistors:..........................................................18
Speaker:..............................................40m/m (1 1/2") 4 ohms
Power Supply:................................DC 3V (1.4V "AA" cell x 2 pcs)
Dimensions:...................................124.5 m/m x 64 m/m x 27.5 m/m
Weight:........................................................Approx. 230g
Accessories:............................................Earplug, Erase Plug

ELECTRICAL PERFORMANCE

Speaker Impedance:...................................................4 ohms
Output Reference Level:...................................50 mW total power
Reference Frequency:.....................................1Khz 0dBm = 0.775V
Tape speed:........................................................2.4 cm/s
Power Supply Voltage:.................................................DC 3V

                                                      NOMINAL     LIMIT

Recording Sensitivity        Mic input        dBm     -76         -76 +/- 4
Audio output max power       input -70dBm     mW      200         150
                             playback         mW      200         150
Audio output at 10% THD      input -70dBm     mW      150         100
                             playback         mW      150         100
Distortion                   input -76dBm
                             overall          %       3           5
Track cross talk             input -76dBm     dB      55          50
                             playback         dB      55          50
Frequency Response @
2.4 cm/s                     input - 76dBm
                              400 Hz          dB      -5          -5 +/- 5
                             4000 Hz          dB      -5          -5
                             at playback
                              315 Hz          dB      -7          -7 +/- 5
                             4000 Hz          dB      -2          -2
@ 1.2 cm/s                   input -76 dBm
                              400 Hz          dB      -3          -3 +/- 5
                             3000 Hz          dB      -7          -7
Erasing Ratio                input -50 dBm    dB      55          50
S/N Ratio                    input -40 dBm    dB      45          40
                             at playback      dB      55          45
                             Built in MIC     dB      21          15
ALC Effect                   input -40 dBm    dB      4           8
                             to -70 dBm
ALC Distortion               input -46 dBm    %       4           8
Hum and Noise Level          at volume Min    mV      2           5
                             at volume Max    mV      5           10
Current Consumption
   Volume min                Record no signal mA      100         120
   Tape center               Play no signal   mA      80          110
                             Fast Forward     mA      70          120
                             Rewind           mA      70          120
Tape speed                   2.4 cm/s         %       +1          +3.5-2.5
                             1.2 cm/s         %       +1          +/- 6
Wow and Flutter              JIS Weighted
                             2.4 cm/s         %       0.3         0.45
                             1.2 cm/s         %       0.5         0.7
Winding Time at MC-60 Tape   Fast-Forward     sec     100         150
                             Rewind           sec     100         150
Torque                       Play             g.cm    7           4-16
                             Fast-Forward     g.cm    30          10-50
                             Rewind           g.cm    30          10-50
Working Voltage              2.4 cm/s         V       2.1-3.8     2.3-3.5
                             1.2 cm/s         V       2.1-3.8     
Voice Actuation starting
level @ 450 Hz               Hi               dBm     -77         -77 +/- 6
                             Lo               dBm     -63         -63 +/- 6
Cross Erase                  2.4 cm/s         dB      1.0         4.0
Power Off Time                                Sec     3.0         1-9


(ALL-08/09/95)