DPW Design Limit Manual de Usario

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Limit L-2, Triple Limiter

The L-2 is a three individual soft knee limiter module in Eurorack format. An all analog unit.

It can be used for audio signal manipulation or as a utility module for control voltages. The three

channels can be AC or DC coupled.

It can be used for normal limiting/compression but also for creative wave shaping.

Compared to the previous L-1 module the only change is added noramling between the channels.

The soft knee of the limiter is actually 8 consecutive soft knees for each channel starting at -6dB

compared to 5V and spread evenly up to 5V.

The limiter will brick wall limit to +/- 5V both in AC and DC mode.

In other words it gradually increase the compression from +8dBu and brick wall limits at +14dBu.

Controls

For each channel there is a volume control that sets how hard the limiter

is driven.

When the knob is at 9 o'clock what passes through is almost unaffected only

compressing high peaks. Turning the the knob to full on will give 5 times

amplification drive in to the limiter, giving a rounded distorted sound.

The three channels are completely independent.

AC/DC coupling for Lim1 and Lim2 is done with the switch on the panel.

AC/DC coupling for Lim3 is done by a jumper on the back of the module.

When the jumper is mounted Lim3 is DC coupled.

The module is delivered with the jumper mounted.

If you want higher compression than just one limiter you can chain

several limiters, this is pre-patched via normaling.

If nothing is connected to IN on channel 2 or 3 they will get their input

from the channel above as shown by the dotted lines on the front

panel. This is also so you easily can get tree different compressed

versions of the same sound out.

Connecting something in on 2 or 3 will disconnect the noramling.

Device specs

Module size: 6 hp wide, 32 mm deep with power connector.

Input impedance: 20 kohm

Output impedance: 1 kohm

Power requirements: +/- 12V. Max power consumption +/- 20 mA

Connect the power cable with the red stripe (-12V) down.

The unit is protected for reverse power.

DPW Design, Häradsvägen 200, 14171 Segeltorp, Sweden

www.dpw.se MAN-L-2 Rev B

Use case examples

A few examples, just to get your imagination going.

Normal limiting/compression

As there are three limiters two of them can for instance be used for a stereo drum bus and you still have one

more for an additional effect.

The limiter can be used to add more weight to sounds like for instance a kick. Or a way to bring out the tails

of plucky sounds by compressing the transients and amplifying the rest of the sound. Another useful case is

to compress thin sounding sounds so they sit better in a mix with analog synths.

The L-2 is also very handy to have in feedback patches.

Level protection

If you set the L-2 low you will not be able to hear the effect of the compression, it will sound

transparent but will never allow peaks above +/-5V. This can be a way to protect your sound

card or the front of house mixer from high peaks if you are playing in a club.

Waveshaping AC mode

Can be used in AC mode to drive signals to shape it through the limiter. Mild settings will add a bit of

harmonics and hard drive will add a mild distortion. Try it on sine waves to get some pleasant harmonics and

make the sine cut a bit better through the mix.

Also try mixing different waves going into the L-2 and compressing

them together.

As the chanels are normalled in series you could have three

different versions of compressed signals out with just one signal in.

This can be used for variantions of your sound by connecting a

switch for selection of output.

Waveshaping DC mode

As above for AC mode but for LFOs, envelopes or other slowly changing signals.

By mixing several LFOs you can get a result higher that +/-5V. The L-2 can be used in DC mode to

guarantee that the result never will be above +/- 5V.

Can also be useful if you use envelopes that are +8V as control voltages and you want them to be max 5V.

PWM of any signal

Set the L-2 to DC mode. If you offset your audio signal with a voltage you can drive the signal harder in to

one side of the limiter to give an asymmetric wave.

This can be done by connecting an AV-1 before the L-2, using

channel A for audio and the B knob for voltage offset. SUM

connects to the input of L-2.

You don't have to use an AV-1. Any DC coupled mixer will do.

If you connect an LFO to the B input of the AV-1 then the LFO will

carry the audio and drive it harder in to the positive and negative

limits of the L-2. This will give the possibility to do some kind of

PWM of sine waves or any other signal.

You can as shown in the picture like in the waveshaping example get different versions of this PWM like

signal out if you don't connect anything in on channel 2 and 3.

Please check www.dpw.se for updates of the manual and demo videos.

DPW Design, Häradsvägen 200, 14171 Segeltorp, Sweden

www.dpw.se MAN-L-2 Rev B

Especificaciones del producto

Marca:	DPW Design
Categoría:	No categorizado
Modelo:	Limit
Peso del embalaje:	36515 g
Ancho del embalaje:	1700 mm
Empaquetadura en profundidad:	287 mm
Altura del embalaje:	945 mm
Control remoto:	Magic Remote
Diagonal de la pantalla:	64.5 "
Resolución:	1920 x 1080 Pixels
Formato de audio soportado:	AAC, AC3, DTS, EAC3, HE-AAC, MP3, PCM
Formatos de vídeo soportados:	DIVX HD
Incluye sistema operativo:	Web OS
red LAN:	Ja
Forma de pantalla:	Flat
Número de puertos USB 2.0:	3
Número de puertos HDMI:	3
Entrada de vídeo compuesto:	1
Vídeo de componentes (YPbPr/YCbCr):	1
Puerto DVI:	Nee
Número de puertos Ethernet LAN (RJ-45):	1
Televisión inteligente:	Ja
Energía promedio:	20 W
Consumo de energía (en espera):	0.3 W
Wi-Fi directo:	Ja
tipo HD:	Full HD
3D:	Nee
Formato de imagen soportado:	JPEG XR, JPS, MPO
Tecnología de visualización:	LED
Montaje VESA:	Ja
Interfaz de montaje en panel:	400 x 400 mm
Profundidad (sin base):	59.2 mm
Altura (sin base):	850 mm
Ancho (sin base):	1462 mm
Peso (sin base):	28894 g
Entrada de PC (D-Sub):	Nee
Audio digital, salida óptica.:	1
Interfaz común Plus (CI+):	Nee
Decodificadores de audio incorporados:	DTS, Dolby Digital
miracast:	Ja
navegador web:	Ja
Ancho del dispositivo (con soporte):	1462 mm
Dispositivo de profundidad (con soporte):	314 mm
Altura del dispositivo (con soporte):	901 mm
Peso (con soporte):	30300 g
Tecnología de procesamiento de imágenes:	LG Triple XD Engine
Control de electrónica de consumo (CEC):	SimpLink
Interfaz común (CI):	Nee
Número de puertos RF:	1
Tecnología de interpolación de movimiento:	TruMotion
Tienda de aplicaciones:	LG Content Store
Servicios de transmisión en red compatibles:	HuluPlus, Netflix, YouTube
Pantalla inalámbrica Intel® (Intel® WiDi):	Ja
Enlace móvil de alta definición (MHL):	Ja
24p:	Ja
Modo de juego:	Ja
Mando a distancia incluido:	Ja
Wifi.:	Ja
voltaje-de-entrada-de-CA:	100 - 240 V
Frecuencia-de-entrada-de-CA:	50 - 60 Hz