Alesis Stereo Amplifier manual Specifications, Electrical, Input, A/D - D/A Conversions, Output

Specifications

SPECIFICATIONS

Electrical

Frequency Response:	±1dB from 20Hz to 20 kHz
Dynamic Range:	>90dB "A" wtg., 20 Hz-22kHz
Distortion:	<0.009% @ 1kHz, nominal level (-12 dBfs)
	<0.005% @ peak level
Crosstalk:	<90dB below full scale

Input

Number of Channels:	2
Format:	1/4" unbalanced
Nominal Level:	-10 dBV, adjustable to +4 dBu
Maximum Level:	+10 dBV
Impedance:	1MW/channel stereo, 500kW/channel mono

A/D - D/A Conversions

A/D converter:	18 bit Sigma-Delta, 128 times oversampling
D/A converter:	18 bit Sigma-Delta, 8 times oversampling

Output

Number of Channels:	2
Format:	1/4" unbalanced
Maximum Level:	+17.5 dBu
Nominal Level	-20 dBV or +4dBu, front- panel adjustable
Output Impedance:	500 ohms

Front Panel

Controls	INPUT	MIX
	OUTPUT	PROGRAM
	ADJUST
Indicators	Power LED, Signal Present dual-color LED

Rear Panel

Input (LEFT/MONO, RIGHT)	1/4" 2-conductor
Output (LEFT, RIGHT)	1/4" 2-conductor
BYPASS	1/4" 2-conductor (accepts normally open/closed
	momentary footswitches, such as Alesis PD)
Power	9 Volt Power Transformer (Alesis P3)

Processing and Memory

Processor Speed:	3 MIPs (million instructions per second)
Internal processing resolution:	24 bit accumulator
Factory Preset Programs (ROM):	16
Delay memory:	1270 milliseconds
Reverb effects:	Concert Hall, Real Room, Plate Reverb,
	Nonlinear
Delay effects:	Mono Delay
Pitch effects:	True Stereo Chorus, Stereo Flange,
	Chorus/Room, Rotary

NanoVerb Reference Manual 29