Frap Tools 321

Three-Channel Module

Available per channel: +6 dB level boost
Phase inversion
DC-offset potentiometer
DC offset generator works as a CV source as long as there is no cable in the input
Total output with -6dB attenuators for audio and self-generated voltages
Auitable for audio signals and control voltages
Width: 6 HP
Depth: 38mm
Power Requirement: + 48mA (+ 12V) / -48mA (-12V)

30-Day Money-Back Guarantee

3-Year Thomann Warranty

Available since April 2018

Item number 436155

Sales Unit 1 piece(s)

Modul Type Mono

Width 6 TE / HP

CV-Editor/VC-Processor 1

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16 Customer ratings

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4.9 / 5

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14 Reviews

Very useful module

Jdstmp 25.10.2019

This is, at heart, a collection of 3 offset and scale units, so, if X is the input, the output is AX+B for constants A and B. Each works very simply, with a very clean interface, indicated on the front panel, so you know what goes where.

Wher it gets better is that the scale factor can be negative (via a switch), and the offset can be switched on or off. So the functionality includes attenuversion, offsets and (with no input connected) CV generation. Plus, there are common input and output, for summing the channels, so you also get a mini-mixer, or signal booster.

And it works for both CV and audio signals.

All in a rugged, well-designed module with a very clean front panel. Well worth it.

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Best attenuverter in eurorack?

AxisOW 06.06.2022

First, it has a separate switch for inversion, that means you are always in control of zero. Second it has a switch to turn off the offset, which is handy in a live situation. Third, it'll amplify the incoming signal twice the original for "overdrive". Fourth, it has a sum output for both the incoming signals, and a separate summing output for the outgoing signals, and a -6dB switch for each sum output to cool off a hot signal.

It is just 6 hp and gives you 3 attenuverters with the abovementioned properties. Unbeatable?

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Catflap 10.02.2021

This is hands down the best value Attenuator/offset/Mixer available imo.

There are a large amount of features crammed into this and Frap tools deliver exceptional build quality with top quality components.

Don't be put off by the mini pots. This is a superb utility module.

Can't recommend this enough!

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Great small utility module

nikthegreek 05.08.2020

This is an essential module for processing cv signals. I mainly use it for attenuation or amplification but works quite good as a mixer too. The DC offset feature is very useful and something that you won't find in many utility modules of that size.

Leds for +/- are great for visual feedback.

Of course small pots are not that comfortable but this is a small compromise for 6 HP.

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Frap Tools 321

Three-Channel Module

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Three-Channel Module

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