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AKKOtune Tuning Table v2.5

The tuning table for analyzing and tuning accordions, bandoneons, concertinas, harmonicas; chromatic or diatonic. Work surface size: 600 x 380 mm.


AKKOtune Tuning Table v2.5
AKKOtune Tuning Table v2.5

$2465
US Dollar
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What was the reason for developing AKKOtune?

When using a conventional tuning table with hand or pedal driven bellows you have to cope with some disadvantages:

  • Manually and inconsistently generated air pressure effects the pitch of the reeds.
  • The bellow’s volume sometimes is not sufficient to complete an electronic tone detection.
  • To have the same wind direction repeatedly you have to empty/fill the bellow in between.
  • A tuning table with pedal drive consumes much space.
  • A manually operated tuning table leaves only one hand to work.

AKKOblock Reed Block tuning device

As an option an extension device provides for measuring and instant tuning of reeds in their reed block.

AKKOblock Reed Block tuning device

AKKOblock Reed Block tuning device
For this purpose the block will be clamped between two supports and can be shifted horizontally in front of a vertical positioned blow hole. Microphones with USB output detect the tone frequencies inside and outside the blow hole and transfer the signal to a connected computer.

$1165
US Dollar
Buy Buy
Click on the "Buy" button to view the prices of the various options.

The AKKOtune Tuning Table is not included. It can be ordered separately.

The air stream is controlled by a large rocker switch. Pushing it forward opens a flap inside the blow module and starts the blower inside the tuning table. Reversing air direction is done as before. This method provides the advantage of tuning the reeds without dismounting the reed block from the device.

Introduction to AKKOtune tuning table

Introduction to AKKOtune tuning table
Introduction to AKKOtune tuning table
How to use the tuning table
How to use the tuning table

AKKOtune improves your tuning possibilities

  • The electronically controlled air pressure can be adjusted between approximately 0.5 and 10 mbar (1 kPa), is consistent and the electronic measurement can be read from the display for push and pull. The pressure is especially very important for the correct tuning of beating reeds.
  • The wind is present as long as it is switched on (switch for Start / Stop).
  • The wind direction can be toggled immediately from push to pull and vice versa.
  • AKKOtune is suitable for desktop use or it can be mounted in a gap in a work table. It’s very compact.
  • You will always have both hands free to work.
AKKOtune Wind direction: Pull
AKKOtune Wind direction: Pull
AKKOtune Wind direction: Push
AKKOtune Wind direction: Push

AKKOtune Reed Block inspection

Measuring a reed block tone after tone by sliding the reed block chambers along an adjustable guide above a blow/suction hole.
AKKOtune Reed Block inspection
AKKOtune Reed Block inspection

Various air vents

The configuration can be changed quick and easily using swappable inserts for the blow/suction hole.

So you may for example use a slot hole insert to measure two reed blocks in parallel, enabling you to blow the reeds of a base reed block together with the matching reeds of the higher or lower tuned reed block to generate a wet sound and measure (and eventually correct) the beat frequency.
AKKOtune Inspect two Reed Blocks 1/2
AKKOtune Inspect two Reed Blocks 1/2
AKKOtune Inspect two Reed Blocks 2/2
AKKOtune Inspect two Reed Blocks 2/2

Single reed plates

Special inserts provide single reed measurement. The size may vary from 15x15 mm up to 79x28 mm as the holder is flexibly adjustable.
AKKOtune Inspect single Reed Plates
AKKOtune Inspect single Reed Plates

AKKOtune Inspect single Reed Plates

A large test space

The AKKOtune V2.5 work surface has an adequate size so all common sized “halved” instruments can be placed and tested on it.
AKKOtune Inspect half an accordion
AKKOtune Inspect half an accordion

Quick and easy checks

AKKOtune makes the inspection of the instrument much more easy and saves you a lot of time.

After splitting them in treble, bellow, and bass parts you may fix either treble + bellow or bass + bellow by means of two downholders. The complete treble or bass side including mounted reed blocks is placed over a large blow / suction hole. The desktop surface cover of quality leather’s rough side provides a proper air seal.

If necessary, an appropriate mat can equalize an uneven rim of the bellow frame. Of course, fixing without treble grill is also possible.

Now you can quickly play through all tones just by selecting a register and pressing the keys / buttons.

Reversing the wind direction from push to pull is done very quickly, so checking for any reed which sounds incorrectly is a piece of cake.

A full instrument analysis
Without disassembling the reed blocks the analysis can be performed significantly quicker than before. By leaving the reed blocks in the instrument you will measure the genuine tuning.
AKKOtune Inspect the treble side
AKKOtune Inspect the treble side
AKKOtune Inspect the bass side
AKKOtune Inspect the bass side

Air pressure control

Air pressure is adjusted easily with a speed knob and the panel gauge, while a start/stop switch silences the blower completely. This enables you to select and keep reproducible conditions. The remote-start/stop socket takes a cable from the optional reed block tuner. The slanted position of the panel gauge makes is easy to read the LCD.

There is some low noise from the blower inside the box. By means of elaborate provisions for insulating the sound its intensity is much lower than the sound of the reeds so it will have no impact on the tone measurements taken by the microphone.
AKKOtune Air pressure control
AKKOtune Air pressure control

Microphone arrangement

Optionally the top plate has a built-in USB output for incorporated microphones. The front provides 3 push buttons for selection of Mic 1, Mic 2 or both mics to be routed on the USB output socket from below. Mic 1 is installed inside the blow hole and Mic 2 is a gooseneck application on the top plate. Both mics have an automatic gain control for providing an always sufficient signal at the USB port. So a connected computer may detect the generated tone frequencies without any clipping.

AKKOtune Microphone arrangement
AKKOtune Microphone arrangement

AKKOtune Microphone arrangement
AKKOtune Gooseneck microphone
AKKOtune Gooseneck microphone

AKKOtune Work Station

The tuning table can be conveniently build into a desk to create an ergonomic work station.

AKKOtune Work Station - Side
AKKOtune Work Station - Side
AKKOtune Work Station - Front
AKKOtune Work Station - Front
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