Stereo Cassette Deck
A front-loading model with all the features of full-sized units, the SD-L50 nonetheless is an incredibly compact 25 cm wide by 10,7 cm high, making it one of the most compact cassette decks currently available.
Circuitry and head design have been reinforced to give superb sound quality from the new high performance metal tapes. IC logic controls with a stroke of just 0,3 mm contribute to the positive feeling of operation, while the dual motor drive transport holds wow and flutter to below 0,04% (WRMS). The deck can also be set to perform automatic rewind/repeat play of one side of a tape up to 8 times or until halted manually. For accurate record level settings, 2 rows of 12 LEDs display peaks in 3 colors from -20 to -2 dB (green), 0 to +4 dB (yellow) and +6 to +10 dB (red)
By adding the optional MT-50 timer, the unit can be set for unattended recording, and in the timer's Tape Time mode, digital countdown display of the time remaining on the tape facilitates recording operations. The RC-R300 remote control system (another recommended optional) can be utilized for operation of all deck transport functions from up to six meters (20 feet) away.
Features:
Dolby noise reduction system
Smooth oil-damped cassette eject
Rec-sync operation with Aiwa turntable
Front panel mic and headphone inputs
Digital tape counter
Specifications
Track Type: 4-track, 2-channel
Tape Speed: 4,8 cm/s ±1,5%
Wow and Flutter
DIN 45500 : less than 0,1%
WRMS : less than 0,04%
Automatic Stop System: Full Auto Stop
Automatic Shut-Off Action Time: 3 ±1 s
Pinch Roller Pressure: 350 ±30 g (3,43 ±0,29N)
Take-up Torque: 50 ±10 g-cm (490 ±98 mN-m)
FF and Rewind Torque: 155 ±65 g-cm (1520 ±637 mN-m)
FF and Rewind Time: 90 s (C-60 cassette)
Playback Output: 0,58 ±0,05V (Line, DIN)
Playback Noise:
Cr02 Dolby NR Off/On : less than 2,0/1,5 mV
LH Dolby NR Off/On : less than 2,5 /1,5 mV
Rec/Pb Distortion:
Metal : less than 1,1%
CrO₂ : less than 2,0 %
LH : less than 1,2%
Rec/Pb SN Ratio (1 kHz, Unweighted, Dolby NR Off/on) :
Metal : more than 45/45 dB
CrO₂ : more than 45/47 dB
LH : more than 42/43 dB
Channel Separation (1 kHz, 0 VU): more than 35 dB
Crosstalk (1 kHz, 0 VU): more than 65 dB
Erasing Ratio (400 Hz, 0 VU, +10 dB ): more than 60 dB
Bias Frequency: 85 kHz
Frequency Response:
Metal : 25 -17,000 Hz
CrO₂ : 25 - 27,000 Hz
LH : 25 - 15,000 Hz
Motor:
Capstan : DC Servo Motor
Reel : Dc Motor
Inputs Sensitivity/Impedance:
Mic : 0,3mV (max.)/200 Ω - 10 k Ω suitable)
Line In : 50 mV (max.)/50 k Ω
DIN : 0,1 mV/2,7 k Ω
Outputs Level/Impedance:
Line Out : 0,41V (0 VU)/50 k Ω
DIN : 0,41 V (0VU)/50 k Ω
Phones Output Impedance: 8 Ω
Semiconductors: 11 ICs; 66-69 Transistors; 39-40 Diodes; 29 LED
Power Requirements: AC 220 V, 50 Hz or AC 240 V 50 Hz
Power Consumption: 18 W
Dimensions (W x H x D): 250 x 105 x 260 mm
Weight: 4,5 kg
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