Doepfer A-138b

73

Módulo para sintetizador analógico modular

  • Mezclador con potenciómetros logarítmicos
  • Principalmente fabricado para señales de audio
  • Anchura: 8 HP
  • Profundidad: 35mm
  • Consumo de corriente: +10mA (+12V) / -10mA (-12V)
Disponible desde Enero 2004
número de artículo 166482
Precio por 1 Unidad(es)
Tipo de módulo Mono
Ancho (unidades TE / HP) 8
52 €
IVA incluido. 15 € de gastos de envío adicionales
En stock
En stock

Este producto está en stock y puede ser enviado inmediatamente.

Información sobre envíos
Previsión de envío el Viernes, 26.04.
1

73 Valoraciones de los clientes

4.7 / 5

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Uso

Características

Fabricación

28 Reseñas

A
muy divertido
Anónimo 12.09.2016
mi primero experiencia con modulares, este mixer es perfecto para iniciarse en este mundo.
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google translate gb
Lamentablemente hubo un error. Por favor, inténtelo de nuevo más tarde.
B
Doepfer A-138-B Mixer
Blair 18.11.2013
The A-138b is essentially a 4 into 1 mixer optimised for audio signals rather than control voltages. the 'b' in the name means the the mixer uses logarithmic rather than linear potentiometers.

For me the A-138b is an essential piece of equipment because it enables me to sum the outputs of up to 4 sound sources (for instance VCO's or noise sources) before sending the combined output to my A-108 Low pass filter module.

With one input employed, and with the channel and master levels set to 10, the volume of the output is the same level as the input signal. in other words, this module will not increase the gain of an input, it will only attenuate it.

When using multiple inputs I find I have to reduce the levels of the individual channels quite a lot, otherwise the output from the mixer becomes to much for next module in the chain. So if I am using 3 inputs, I will use a maximum of about 33% of each channel's volume.

The mixer appears to operate very quietly. It does not introduce much 'hiss' into the sound. Some reviewers have found otherwise , so it may be that my ears are not as sensitive as theirs.

I have rated the A-138b as 5 stars except for features, which I have given a 4 for. The reason for this is that the Doepfer website indicates that with no input into channel 1, the channel 1 level will act as a +5 volt DC offset. In other words, the unit *can* increase the level beyond that of an input signal. However, my unit doesn't work like this. As delivered, all 4 inputs on my A-138b work in the same way. The manual says there is a jumper I need to re-position on the rear of the circuit board to achieve the +5 volt DD offset with input level 1. I think this option should have been made available as a toggle switch on the front panel. It would be useful on occasions when I am only using 3 inputs, but I do not want to have to remove the unit from its case and re-position a jumper each time to achieve this!

Overall, another useful and great value unit from Doepfer, in my opinion.
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google translate gb
Lamentablemente hubo un error. Por favor, inténtelo de nuevo más tarde.
M
MiguelDF 06.11.2017
I bought this item to use as a mixer for my Doepfer modules, I own 3 more modules and in order to be able to send only one output from my 3 modules I found out this mixer. I was not able to find any disadvantage for this item, the knobs have a good sensitivity, both inputs and outputs work just fine, and it is possible to connect this mixer to the main power suply.
For a low number of outputs, as the ones I have this is a great choice for these systems, for biger systems maybe other options should be considered.
So, all in all, I definitely recomend this item to incorporate in a Doepfer based system
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google translate gb
Lamentablemente hubo un error. Por favor, inténtelo de nuevo más tarde.
A
Does its job!
Anónimo 19.01.2017
Very useful 4 into 1 mixer. I've used it to mix VCO waves into the Wasp filter and the A-116 wave processor.
Will be used a LOT.
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