Alesis 3632 Quick Start Manual

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3632 COMPRESSOR

QUICKSTART GUIDE

ENGLISH (3 - 5)

GUÍA DE INICIO RÁPIDO

ESPAÑOL (6 - 8)

GUIDE D'UTILISATION RAPIDE

FRANÇAIS ( 9 – 11)

GUIDA RAPIDA

ITALIANO (12 – 14)

KURZANLEITUNG

DEUTSCH (15 – 17)

QUICKSTART GUIDE (ENGLISH)

1. Make sure all items listed in the Box Contents are included in the

box.

2. READ SAFETY INSTRUCTION BOOKLET BEFORE USING

THE PRODUCT.

3. Switch everything on in the following order:

• audio input sources (i.e. instruments, CD/MP3 Players)

• 3632

• speakers/amps

4. When turning off, always reverse this operation:

• speakers/amps

• 3632

• last, any input sources

CONTROLS

Couple Switch

1. Dual mono- Two independent channels are used in this mode (Couple switch up)

2. Ch 1 master- When the Couple Switch is engaged, channel 1 will take

control of both channels and override all the controls and switches of channel 2 with the exception of the SC Monitor, SC External, SC Filter, Bypass and Pe ak Limiter contr ol

Expander/Gate

3. Threshold control- Adjusts the threshold level for the Expander/Gate section

4. Ratio control- Determines the expansion ratio when the signal drops below the threshold level.

5. Threshold LED- The "+" LED lights up when the audio signal goes below the set Threshold. The "-" LED lights up when being used as an expander

BOX CONTENTS

 3632 compressor  Power cable  Quickstart Guide  Safety Instructions &

Warranty Information Booklet

Front Panel

Compressor

6. Threshold control- Adjusts the threshold level for the Compressor section. SKC (Smart Knee Control) is applied to the audio signal when a maximum of 10dB above the set threshold is reached. Above 10dB, a hard knee compression is applied

7. Threshold LED- Shows the state of the input signal in relation to the threshold level. If the input signal falls below the set threshold level the left "-" LED will light up and the signal will not be compressed. If the input signal rises above the set threshold level, this signal will be compressed and the SKC level will be shown by the middle "0" LED

8. Ratio control- The ratio between the input and output level of audio signals exceeding the set threshold

9. Attack control- Determines how fast the compressor reacts to audio signals that will exceed the set threshold

10. Release control- Determines how fast the compressor returns to unity gain when the audio signal falls below the threshold level

11. Auto switch- Allows the attack and release controls to be automatically set based on the audio signal

12. Output gain control- Adjusts the output signal by a maximum of 20dB to recover the level lost during

compression

13. SC external switch- Separates the connection between the audio input and the sidechain path but allows an external signal through the Sidechain return jack

14. SC Monitor Switch- Connects the sidechain control signal to the audio output, muting the audio input and monitoring the sidechain signal being returned via external signal processors

15. Sidechain filter switch- Activates a low-cut filter in the sidechain path, eliminating unwanted noise generated by low frequencies

16. Smart switch- Hard knee mode will be converted into SKC (Smart Knee Control) mode for musically transparent compression

17. Bypass switch- Turns off the corresponding channel, to make an A/B comparison of the processed and unprocessed signal

18. Input/output meter switch- Switches to the input level meter when turned on; switches to the output level meter when turned off

19. Input/output level meter- Displays the input or output level

20. Gain reduction meter- Displays the amount of gain reduction

Limiter

21. Threshold control- Controls the level of the Limiter

22. Limiter LED- Lights up when the Limiter function is activated

23. Voltage selector- Set this to the correct voltage for your location standard

24. AC input- Connect the included IEC power cable here

25. Audio in- Balanced ¼” TRS phone jack and XLR input connectors

26. Audio out- Balanced ¼” TRS phone jack and XLR output connectors

27. Operating level control- Sets the operating level to either -10dBV or the +4dBu

28. Sidechain send- 1/4" unbalanced jack to route audio to an external processor

29. Sidechain return- 1/4" jack processes the return signal sent from an external processor

APPLICATIONS

The 3632 can be used in a variety of situations including: Compressor- If an audio signal exceeds the set threshold; the audio signal will be reduced in gain in

proportion with the amount above the set threshold. Ducking- Ducking allows background music to automatically be turned down whenever an external source, such as an announcer's voice, begins to speak. To use the compressor as a ducker, plug the announcer's mic into a mixer and feed that mic to the compressor's Sidechain in. Plug the music source into the 3632 inputs. Set the compressor controls like this: Threshold set for +3dB , Ratio set for 6:1, turn on the Smart switch for SKC mode, Attack set around 1ms, set the Release around 1 second. When the announcer speaks, the music will duck down (turn the ratio up to duck it even lower). When the announcer finishes speaking, the music will fade in at a rate set by the Release knob. Limiter- Set the 3632 with a high ratio and a high threshold. Softer sections will remain uncompressed and louder peaks will be kept under control. Set the Threshold so that the loudest sections get around -6 of reduction, set the Ratio for 6:1, and turn on the Smart switch for SKC mode. Noise gate- A noise gate is also a type of expander. Since hiss and noise are quieter than the sound of an instrument, using a compressor as a gate, only the intentional sounds pass – everything else is lowered in volume, reducing unwanted noise in a track. When the signal drops beneath the set threshold, the gate activates. De-Essing- Occasionally when recording vocals, high frequency "s" sounds can jump out louder than the rest of the audio. By placing an equalizer in the sidechain, you can set the compressor so that only certain frequency ranges trigger the unit to start compressing . Se t the EQ to cut all frequencies except for the sibilant range, between 3-6kHz. Then set the 3632 like this: Threshold set around 0dB, Ratio set for 6:1, Attack set at 1ms, Release set around 0.1ms. Expander- An expander is a compressor in reverse and increases the dynamic range of the audio signal, making quiet sounds even quieter by reducing the level of an audio signal that falls below a set threshold level. Signals above the threshold remain at unity gain whereas signals below the threshold are reduced in gain.

Rack Mounting

For secure mounting, a universal rack shelf can be used (available from various rack manufacturers or your music dealer). The 3632 fits into a standard 19" rack space unit. Allow at least an additional 4" depth for cabling on the rear panel. Be sure that there is enough air space around the unit for sufficient ventilation and do not place the 3632 on high temperature devices such as power amplifiers etc. to avoid overheating.

Rear Panel

GUÍA DE INICIO RÁPIDO (ESPAÑOL)

1. Asegúrese de que todos los artículos indicados en “Contenido de la caja" estén incluidos en la caja.

2. LEA EL FOLLETO DE INSTRUCCIONES DE SEGURIDAD ANTES DE UTILIZAR EL PRODUCTO.

3. Encienda todo en el siguiente orden:

• fuentes de entrada de audio (por ejemplo instrumentos o

reproductores de CD/MP3)

• 3632

• altavoces/amplificadores

4. Al apagar, realice siempre esta operación en forma inversa:

• altavoces/amplificadores

• 3632

• por último, todas las fuentes de entrada

CONTROLES

Interruptor Couple (Par)

1. Mono dual- En este modo se usan dos canales independientes (interruptor de par hacia arriba)

2. Canal 1 maestro- Cuando el interruptor de par está accionado, el canal 1

toma control de ambos canales y anula todos los controles e interruptores del canal 2 a excepción de los controles Monitoreo de SC, Señal externa para SC, Filtro de SC, Puenteo y Limitador de pico.

Expander/Gate (Expansor/Compuerta)

3. Control de umbral- Ajusta el nivel del umbral de la sección del expansor/compuerta

4. Control de relación- Determina la relación de expansión cuando la señal cae

por debajo del nivel de umbral.

5. LED de umbral- El LED "+" se enciende cuando la señal de audio cae por debajo del umbral fijado. El LED "-" se enciende cuando se usa como expansor

CONTENIDO DE LA CAJA

 Compresor 3632  Cable de alimentación  Guía de inicio rápido  Folleto de instrucciones de

seguridad e información sobre la garantía

Panel frontal

+ 14 hidden pages