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Palmer PDI06 Power Soak

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RRP $509.00 Inc. GST
Your Price $423.00 Inc. GST
Palmer Power Attenuator - Control the volume of your guitar amp. Available in 8 and 16 ohm.


Palmer PDI06 power attenuator

Made in Germany

Available in 8 and 16 ohms

The PDI06 is a power attenuator for live applications. The device is connected between the amplifier output and the speaker cabinet. It makes it possible to use the popular power stage distortion of tube amplifiers while reducing the associated high volume level. This permits practical volume reduction in six increments from 100% to 18% for stage and practice room situations. An additional setting mutes the speaker completely; the PDI06 then functions as a LOAD BOX and absorbs the entire output power of the amplifier.

This mode of operation is useful, for example, when connecting an amplifier equipped with a speaker cabinet emulation directly to the mixing desk using an existing line-out and loud volume levels in the recording booth are undesirable. The unit has an input for the speaker signal from the amplifier and two outputs for connectingspeaker cabinets.

The total impedance of the speakers must equal the value shown on the PDI06. For example: the outputs of a PDI06 that is specified for 8 ohms can be connected to one 8 ohm cabinet or two 16 ohm cabinets. The output of the (tube) amplifier is also set to 8 ohms.



  • Maximum Input Power: 120 watt
  • Six Position Switch:
    • Five Increments (3dB each) for volume reduction, equivalent to attenuation of the input power to 70%, 50%, 35%, 25%, 18%.
    • LOAD BOX position mutes the connected speaker cabinet.
    • The BYPASS/ATTENUATOR switch lets the user toggle quickly between full and reduced output.
  • Input from Amplifier: 1 x 6.3mm jack socket
  • Output for Speaker Cabinets: 2 x 6.3mm jack sockets connected in parallel
  • Output Impedance: 8 Ohm and 16 Ohm versions available 


Product type: power attenuator
Type: passive
Channels: 1
Input type: unbalanced
Inputs: 1
Input connectors: 6.3 mm Jack
Output type: unbalanced
Outputs: 2
Output connectors: 6.3 mm Jack
Controls: bypass, rotary attenuation switch
Dummy load: yes
Dummy load impedance: 8 Ohm(s)
Max. load: 120 W
Voicing filter: no
Power attenuator: yes
Transformer isolated outputs: no
Cabinet material: sheet steel/aluminium
Cabinet surface: powder coated/anodized
Width: 120 mm
Depth: 120 mm
Height: 50 mm
Weight: 2.4 kg
Liquid Fire At Any Volume
Its always been difficult to manage a 65 Twin non master volume in terms of hitting the sweetspot and the right volume. I dont like the distortion sound of Master volume control because it distorts the preamp tubes which is a completely different sound to power tube distortion, which is what I prefer. So far I have used the PDI06 in rehearsal and performance, it's simple and the best power attenuator I have used. All the frequencies are identical to the ear using the PDI06...nothing lost, noiseless as well. Simple, solid build, made in Germany. Very happy!
From: Glenn Armstrong | Date: 25/10/2012 11:31 AM
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It Does the Job
A few months ago I bought an old Fender Prosonic amp as a back-up to my Mesa Boogie Studio 22+. It immediately became my number one amp, I was blown away by the superb tone, especially the clean tone.
But man, it's LOUD! I realised I needed an attenuator. I already have an old Tom Scholz Powersoak, but I noticed  it took away that lovely Fender chime. I started hunting the internet for  one that wouldn't take that away.
I soon realised I wasn't  your typical attenuator buyer. I wasn't trying to get my amp to distort, but to stay clean and chimey, and that is the biggest test for an attenuator, no change to the sound AT ALL. It was frustrating. Every video I found on YouTube started out with distortion, and then the attenuator just made it softer. Its hard to hear if a distorted sound is actually changing as it gets softer, and these videos didn't help my search at all.
Finally, I came across a demonstration of the Palmer attenuator, and bingo! There was a clean sound, getting softer, and I heard no change in tone. Now THAT's the way you demonstrate an attenuator! I also liked that the settings don't go down to "bedroom" levels. NO amp sounds realistic when attenuated in this way, so why bother? This is a no gimmick unit.
CONS: Biggest drawback is they come set to one ohm setting, you can't change it. Like many people, I have more than one amp, but I can't use this with them. The unit isn't cheap, and I would have expected more versatility.
The input and output sockets feel cheap, and leads come out of them too easily. Again, for the price, one expects better. Mind you, I thought the same about the sockets on my Boogie amp, and they've given me no problems in 25 years.
PROS: Generally very solid, and it works beautifully. In the end, you can't argue with that. I'm happy.
From: Bill Payne | Date: 29/12/2014 2:29 PM
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Palmer PDI 06 Power Attenuator - Tech Talk