Frap Tools 321
It can be used to amplify audio signals or control voltages by up to +6 dB, flip their phases and add DC offsets
€ 104,99For European customers, please select your country to view the correct price including vat
Arriving shortly
Contact us to verify delivery times
KEEP IN TOUCH
Find out our opening hours
Your Contact for the Synthesizers Department

Synthesizers Showroom:
Mon - Tue: 10:00 am - 1:00 pm / 2:00 pm - 6:00 pm
Thu - Fri: 10:00 am - 1:00 pm
Pro Audio department:
Mon - Fri: 10:00 am - 1:00 pm / 2:00 pm - 6:00 pm
Visits by appointment
Arriving shortly
Contact us to verify delivery times
- After Sale Support
After Sale Support
At your side to grow with you. Behind this website there are real people who work every day to always offer the best possible service and give maximum support even after the purchase. - 2 Years Warranty
- Secure Payments
Frap Tools 321
It can be used to amplify audio signals or control voltages by up to +6 dB, flip their phases and add DC offsets
The 321 includes the most useful functions we always need in every patch, to edit and combine dynamically the signals in use.
It is composed of three identical sections, the red, yellow and green, where each of those is capable of scaling any signal, from 0 up to 2 times (+6dB), flip its phase, and apply a DC offset, allowing to shift your audio or CV up or down.
In case no signals are connected to the section input, the offset may act as a CV source too.
The three sections are then summed together into two independent summing stages: the top right jack outputs the sum of all three sections, while the top left outputs the sum of the unconnected sections only (semi-normalled).
The 321 is entirely DC coupled, allowing the process of control voltages as well as audio signals.
In case CVs or audio signals are particularly hot, the two 6dB attenuators, one per each summing section might be helpful to reduce exactly by 50% the incoming signals.
Key Features
- process your CV swapping phase, attenuating or gaining and applying offset
- attenuate/gain or flip phase of your audio
- (bypass-able) CV source
- outputs of
- individual outputs
- sum of all outputs
- sum of all unconnected outputs
- analog design
Specifications
Size 6HP
Depth 38mm
Power Requirements
- 48Â mA +12V idle
- 48Â mA -12V idle
Maximum drawing measured with heavy driven output onto low impedance load
Width | |
---|---|
Depth | 38 mm |
Only logged in customers who have purchased this product may leave a review.
Return and restocking option is available for private customers only.
We will issue a refund/credit if you are not satisfied with your purchase and notify us within 10 days of product receipt.
It must be returned in the original packaging and in saleable condition and must be returned freight prepaid.
Return and restocking rights are not applicable for Audio/Video software products.
Shipping and handling charges to and from are not refundable.
You might also be interested in one of the following products
Arriving shortly
Contact us to verify delivery timesArriving shortly
Contact us to verify delivery timesDoepfer A-114
€ 86,44For European customers, please select your country to view the correct price including vat
Brand: DOEPFER
Dual Ringmodulator
Arriving shortly
Contact us to verify delivery timesMutable Instruments Kinks
€ 117,12For European customers, please select your country to view the correct price including vat
Brand: Mutable Instruments
Three analog utility functions for altering the shape of audio or control signals
Out of Stock
Reviews
There are no reviews yet.