Descripción
FREQUENCY RESPONSE
±.5 dB, 2.0 Hz to 100 kHz. -3dB points below 1 Hz and above 200 kHz
DISTORTION (THD)
Less than .01% at 2V RMS output. (Typically less than .005% in midband)
NOISE & HUM
18 µV RMS maximum IHF weighted noise at main output with gain control minimum (more than 100 dB below 2V RMS output, or 4V balanced output (LS3B))
GAIN
Main output: 18 dB (optional 10 dB gain reduction) Tape output: 0 dB Balanced output (LS3B): 24 dB
INPUT IMPEDANCE
50 kOhms (100 kOhms Direct)
OUTPUT IMPEDANCE
250 Ohms main output. 500 Ohms balanced (LS3B). Recommended load 60K Ohms and 100 pF (20K ohms minimum and 1000 pF maximum)
OUTPUT POLARITY
–
MAXIMUM INPUTS
20V maximum
RATED OUTPUTS
2V RMS 2 Hz to 100 kHz, all outputs, 60K ohm load (maximum output 35V RMS (70V RMS balanced) (LS3B) at 1/2% THD at 1 kHz into 100K ohms)
POWER SUPPLIES
Electronically-regulated low and high voltage supplies. Line regulation better than .01%.
POWER REQUIREMENTS
100-135VAC 60 Hz (200-270VAC 50/60 Hz) 25 Watts maximum (35 Watts maximum LS3B)
DIMENSIONS
19″ (48 cm) W x 5 ¼» (13.4 cm) H (standard rack panel) x 10 ¼» (26 cm) D. Handles extend 1 ⅝» (4.1 cm) forward of front panel. Rear chassis fittings extend ½» (1.3 cm)
WEIGHT
LS3: 11 lbs. (5.0 kg) Net; 20 lbs.(9.0 kg) Shipping. LS3B: 12 lbs. (5.5 kg) Net; 21 lbs.(9.5 kg) Shipping.
