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Doepfer A-103 18DB Low Pass Filter

Doepfer A-103 18DB Low Pass Filter

Doepfer A-103, 18dB Low Pass Filter for Modularsystem A 100. Module A-103 is a voltage controlled low pass filter with 18dB/octave slope. The circuit is based on a modified transistor ladder (Moog ladder) and is a reproduction of the legendary TB303 filter; Width: 8TE / 8HP / 40.3 mm; Depth: 55 mm (measured from the rear side of the front panel); Current: +30mA (+12V) / -10mA (-12V)

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12 customer ratings:

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4.3 out of 5 stars
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5 Stars
6 Customers

6 customers have given this product a 5-star rating.

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4 Stars
4 Customers

4 customers have given this product a 4-star rating.

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Amazing filter!

Suuka, 14.07.2015
Currently I have 6 eurorack filters (mostly from Doepfer) and this is one of my favourite. It's a TB-303 filter clone, but it doesn't sound exactly the same (although I don't have a TB-303 to compare). It sounds very similar though, it has that characteristic 303 sound when resonance is set around middle or higher and it's great for making acid lines. With less resonance it's also useful for any other kind of synth sounds. It's cheaper than most eurorack filters, but it can easily compare with the best. Nice to have 3 CV inputs. Doepfer build quality is also perfect. Would definitely buy again.
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Smooth and creamy sounding filter. Use it for more than just acidlines!

Zoë, 02.06.2013
I got this filter in order to make TB-303 style acidlines on my Doepfer A-100, and indeed it is pretty good at this. To my ears, it can't reproduce the full range of what the TB-303's filter can sound like, but it can sound very close to some of its finer moments. It can also sound quite different when it wants to. This probably says more about my patching abilities than the module itself, but some days I can get it to sound 303-like, and some days I can't. I'm sure some purists will point out the differences in how it sounds, but that's missing the point: it sounds GOOD when playing acidlines!

But this is a modular system, and using things in their intended ways really would be missing the point. Using other filters instead of this one, you can make acidlines that sound quite unlike the TB-303, which is also fun to do. Conversely, you can use the A-103 to make far more interesting sounds than just acidlines. It's a smooth, creamy sounding filter, and works well in all sorts of different contexts. For example, I once used it in conjunction with the A-127 module (emulating the PS-3300's triple resonance filter), and much to my surprise, the result sounded more like a Jew's harp than anything else. And that's one of the things I love about the A-100 in general: mixing and matching different parts of different synthesisers to make a Frankenstein style patch that by all rights ought to sound inconsistent, but in reality sounds unique and interesting. I'd recommend this filter, but more than that, I'd recommend that you remember to experiment with it, no matter what its origins!
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Show variations of this product
Doepfer A-103 18DB Low Pass Filter
(12)
Doepfer A-103 18DB Low Pass Filter

Doepfer A-103, 18dB Low Pass Filter for Modularsystem A 100. Module A-103 is a voltage controlled low pass filter with 18dB/octave slope. The circuit is based on a modified transistor ladder (Moog...

  • Module: Yes
  • Empty Rack, Or Housing: No
  • Basic System: No
  • Accessories: No
Doepfer A-110-1
(51)
Doepfer A-110-1
to the product
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Standard VCO for Modular System A-100Module A-110-1 (VCO) is a voltage controlled oscillator. The A-110-1 produces frequencies in a range of about 8 octaves, of which four waveforms are available...

  • Module: Yes
  • Empty Rack, Or Housing: No
  • Basic System: No
  • Accessories: No
Doepfer A-180-2 Multiples
(42)
Doepfer A-180-2 Multiples

Passive Multi-Port Distributor 8x Interconnected jacks, Sockets are divided into 2x quadruple groups; but can also be modified to an eight-multiple (soldering bridge on the circuit board), Width:...

  • Module: Yes
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  • Basic System: No
  • Accessories: No
Doepfer A-124 Wasp Filter SE
(13)
Doepfer A-124 Wasp Filter SE

Wasp Filter Special edition, Black front, Yellow knobs

  • Module: Yes
  • Empty Rack, Or Housing: No
  • Basic System: No
  • Accessories: No
Doepfer A-140
(41)
Doepfer A-140

ADSR Envelope Generator The module A-140 is a envelope generator and since it delivers control voltages, belongs to the modulation-modules. As soon as the ADSR is triggered at gate-input, it...

  • Module: Yes
  • Empty Rack, Or Housing: No
  • Basic System: No
  • Accessories: No
Doepfer A-180-3 Dual Buffered Multiple
(6)
Doepfer A-180-3 Dual Buffered Multiple

Doepfer A-180-3 Dual Buffered Multiples, dual buffered 1-in-3 multiple to copying/buffering of control and audio signals, Width: 4 TE / 4HP / 20.0 mm

  • Module: Yes
  • Empty Rack, Or Housing: No
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Doepfer A-111-2
Doepfer A-111-2
to the product
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Doepfer A-111-2; High End VCO II / VCLFO; Width: 14 HP, Current: +70mA (+12V) / -50mA (-12V)

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Doepfer A-119
(25)
Doepfer A-119

Doepfer A-119 - external input/envelope follower; Width: 8HP / 40.3 mm; Depth: 45 mm (measured from the rear side of the front panel); Current: +30mA (+12V) / -20mA (-12V)

  • Module: Yes
  • Empty Rack, Or Housing: No
  • Basic System: No
  • Accessories: No
Doepfer A-132-3
(19)
Doepfer A-132-3

Module Dual linear/exponential, VCA

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  • Accessories: No
Doepfer A-199 Spring Reverb Module
(29)
Doepfer A-199 Spring Reverb Module
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Doepfer A-199 Spring Reverb Module - electronically simulated by means of 3 spiral springs. Spring reverb systems have a very characteristic sound that is based on the (insufficient) mechanical...

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  • Empty Rack, Or Housing: No
  • Basic System: No
  • Accessories: No
Doepfer A-138b
(39)
Doepfer A-138b

Doepfer A-138b - mixer with logarithmic potentiometers.

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Doepfer A-160-2 Clock Divider II
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Doepfer A-160-2 Clock Divider II

Frequency divider For clock/trigger/gate signals, Width: 4 TE/ 4 HP / 20 mm

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Doepfer A-147-2 VCD LFO
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Doepfer A-147-2 VCD LFO Module, Voltage Controlled Delayed Low Frequency Oscillator, Module contains VCLFO: voltage controlled low frequency oscillator, VCA: voltage controlled amplifier, switchable...

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Doepfer A-118 Noise/Random
(33)
Doepfer A-118 Noise/Random

Noise/Random Voltage Generator Module A-118 is a noise and random voltage generator. It produces the following signals: white noise, coloured noise, and random voltage. White and coloured noise can...

  • Module: Yes
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Doepfer A-145 LFO Modulation Generator
(28)
Doepfer A-145 LFO Modulation Generator

LFO Modulation Generator The module A-145 (LFO) is a low frequency oscillator, which generates periodic control signals in a wide frequency range. Five wave forms are available: saw tooth, inverted...

  • Module: Yes
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Doepfer A-143-2
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Doepfer A-143-2
to the product
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Doepfer A-143-2 Quad ADSR - 4x independent ADSR-type envelope generators.

  • Module: Yes
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Doepfer A-190-3
(10)
Doepfer A-190-3
to the product
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USB/MIDI-CV/Gate Interface

  • Module: Yes
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Doepfer A-106-5 SEM Filter
(22)
Doepfer A-106-5 SEM Filter

Filter 12 dB Multi-mode filter, in which the circuit of the SEM module is used, Width: 8HP 40.3 mm, Depth: 55 mm (measured from the rear of the front panel), Power requirements: +30 MA (+ 12V) /...

  • Module: Yes
  • Empty Rack, Or Housing: No
  • Basic System: No
  • Accessories: No
Doepfer A-131
(23)
Doepfer A-131

Doepfer A-131 VCA - voltage controlled amplifier (logarithmic).

  • Module: Yes
  • Empty Rack, Or Housing: No
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Doepfer A-111-3
Doepfer A-111-3
to the product
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Doepfer A-111-3; Micro Precision VCO / VCLFO; Width: 4 HP, Current: +40mA (+12V) / -40mA (-12V)

  • Module: Yes
  • Empty Rack, Or Housing: No
  • Basic System: No
  • Accessories: No
Doepfer A-110-4 Thru Zero Quad VCO SE
(5)
Doepfer A-110-4 Thru Zero Quad VCO SE
to the product
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Doepfer A-110-4 Thru Zero Quadrature - VCO oscillator generates sine and cosine waveforms at the same time. These are terminated as soon as the linear control voltage reaches 0V. Special edition...

  • Module: Yes
  • Empty Rack, Or Housing: No
  • Basic System: No
  • Accessories: No
77 €
Incl. VAT plus 20 € shipping
Free shipping from 298 €
Due back in stock on 04.04.2017
Due back in stock on 04.04.2017

This item is due in on the date shown above and can then be sent with immediate effect.

Standard Delivery Times
item number 199307
sales unit 1 piece
available since October 2006
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in this category Rank 124
at thomann.de Rank 30290
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