Lexicon ALEX - REV 1 User Manual

8
Parameter Settings
The actual parameter values available
at each of the 16 settings of the VALUE knob
are shown on the following charts.
Parameter Settings
Presets Parameters 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 Large Hall DECAY (rm size=60M) .60 sec .70 sec .80 sec .90 sec 1.0 sec 1.2 sec 1.3 sec 1.5 sec 1.7 sec 2.1 sec 2.4 sec 2.9 sec 3.6 sec 4.9 sec 6.1 sec 8.9 sec
2 String Hall DECAY (rm size=51M) .51 sec .60 sec .68 sec .77 sec .85 sec 1.02 sec 1.11 sec 1.28 sec1.45 sec 1.79 sec 2.04 sec 2.47 sec 3.06 sec 4.17 sec 5.19 sec 7.57 sec
3 Recital Hall DECAY (rm size=45M) .45 sec .53 sec .60 sec .68 sec .75 sec .90 sec .98 sec 1.13 sec1.28 sec 1.58 sec 1.80 sec 2.18 sec 2.70 sec 3.68 sec 4.58 sec 6.68 sec
4 Chamber DECAY (rm size=38M) .38 sec .44 sec .51 sec .57 sec .63 sec .76 sec .82 sec .95 sec 1.08 sec 1.33 sec 1.52 sec 1.84 sec 2.28 sec 3.10 sec 3.86 sec 5.64 sec
5 Guitar Room DECAY (rm size=25M) .25 sec .29 sec .33 sec .38 sec .42 sec .50 sec .54 sec .63 sec .71 sec .88 sec 1.00 sec 1.21 sec 1.50 sec 2.04 sec 2.54 sec 3.71 sec
6 Tiled Room DECAY (rm size=15M) .15 sec .18 sec .20 sec .23 sec .25 sec .30 sec .33 sec .38 sec .43 sec .53 sec .60 sec .73 sec .90 sec 1.23 sec 1.53 sec 2.23 sec
7 Inverse DECAY (time) 150 ms 165 ms 180 ms 196 ms 211 ms 227 ms 242 ms 258 ms 273 ms 289 ms 304 ms 320 ms 335 ms 351 ms 366 ms 382 ms
8 Gate DECAY (time) 150 ms 165 ms 180 ms 196 ms 211 ms 227 ms 242 ms 258 ms 273 ms 289 ms 304 ms 320 ms 335 ms 351 ms 366 ms 382 ms
DELAY (predelay) 0 ms 16.3 ms 32.7 ms 49.1 ms 65.5 ms 81.9 ms 98.3 ms 114 ms 131 ms 147 ms 163 ms 180 ms 196 ms 212 ms 229 ms 245 ms

Lexicon ALEX - REV 1 Specifications

Audio

audio input level	-30 dBu minimum
audio input impedance (stereo)	50 kΩ unbalanced
audio input impedance (mono)	25 kΩ unbalanced
audio output level (nominal)	-2 dBu
audio output level (maximum)	+8 dBu
audio output impedance	600 Ω unbalanced

Frequency Response and THD+N

frequency response (wet)	20 Hz - 15 kHz, +1 dB to -3 dB
frequency response (dry)	20 Hz - 20 kHz, +0.5 dB
THD+N (wet)	<0.05% @ 1 kHz
THD+N (dry)	<0.025% @ 1 kHz

Dynamic Range and Conversion

dynamic range	85 dB, typical, 20 Hz - 20 kHz bandwidth
conversion	16 bit linear PCM encoding
sampling rate	31.25 kHz

Power

power requirements	9 VAC, 1 A wall transformer provided

Operating Environment

operating temperature	32° to 104°F (0° to 40°C)
storage temperature	-20° to 170° F (-30° to 75°C)
relative humidity	95% non-condensing

Weight and Dimensions

dimensions	19"W x 1.75"H x 4"D (483 x 45 x 102 mm)
weight	2 lbs 11 oz (1.22 kg)