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Palmer Power Attenuator - Control the volume of your guitar amp
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 connecting speaker 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.
Specifications:
- Maximum input power: 120 watts
- 6-position switch, 5 increments (3 dB each) for volume reduction, equivalent to attenuation of the input power to 70%, 50%, 35%, 25%, 18%.
- The 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 6.3 mm jack socket
- Output for speaker cabinets: 2 x 6.3 mm jack sockets connected in parallel
- Output impedance: 8 ohms
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2, 4 and 16 Ohm versions also available
The PDI03 Palmer speaker simulator combines load impedance, a signal splitter and DI box especially designed for guitars. All functions are optimised for live and recording applications.
Instead of being connected to a loudspeaker, the PDI03 is connected directly to the amplifier output. The signal is no longer picked up by a microphone, but after passing through a special filter section is fed directly into a mixing console, tape recorder, etc. This permits power amplifiers to be operated to saturation without troublesome volume problems.
Two switches select between the 9 filter presets simulating various types of speakers and enclosures. Open back 2 x 12'' combo or 4 x 12'' cabinet characteristics and the punch of a full-out stack with a graphic EQ ''V'' setting can be selected as well as ''American'' or ''British'' speakers and ultra brightness.
Four paralleled unfiltered outputs are available for further processing. Both filter and line out level are adjustable.
For live monitoring, speakers may be connected while the reactive load is automatically switched off. Power handling capacity is 100W RMS without speakers.
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2, 4 and 16 Ohm versions also available
The PDI03 Palmer speaker simulator combines load impedance, a signal splitter and DI box especially designed for guitars. All functions are optimised for live and recording applications.
Instead of being connected to a loudspeaker, the PDI03 is connected directly to the amplifier output. The signal is no longer picked up by a microphone, but after passing through a special filter section is fed directly into a mixing console, tape recorder, etc. This permits power amplifiers to be operated to saturation without troublesome volume problems.
Two switches select between the 9 filter presets simulating various types of speakers and enclosures. Open back 2 x 12'' combo or 4 x 12'' cabinet characteristics and the punch of a full-out stack with a graphic EQ ''V'' setting can be selected as well as ''American'' or ''British'' speakers and ultra brightness.
Four paralleled unfiltered outputs are available for further processing. Both filter and line out level are adjustable.
For live monitoring, speakers may be connected while the reactive load is automatically switched off. Power handling capacity is 100W RMS without speakers.
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Special DI box with loadbox for guitars. The integrated load resistor permits tube amplifiers up to approximately 120 W to be connected to the PGA04, bypassing a loudspeaker. A jack socket (unbalanced) and balanced XLR connector are available for direct pickup of the signal. The extensive filter section provides for a realistic simulation of classic guitar loudspeaker sounds.
Technical specifications:
- Loadbox: 6.3 mm jack input with parallel THRU socket for speaker operation Loadbox
- Input impedance: 2 ohms, max.
- Input load: 120 w RMS
- Input level display: 6 LED's
- Output: 2 x 6.3 mm jack, unbalanced, floating ground, 1 x balanced XLR output
- Output impedance: jack: 10.000 ohms, XLR: 600 ohms
- Level: unbalanced 0 dB, balanced -10 dB at 25 w
- Input Controls: Volume FiIlter, LOW, HIGH, LITE/BROWN-switch for tone shaping
- Full Range Volume for unfiltered signal, used in conjunction with the HI-CUT to emulate the bright sound of, e.g., 10-inch speakers
- Both signals attenuable
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Special DI box with loadbox for guitars. The integrated load resistor permits tube amplifiers up to approximately 120 W to be connected to the PGA04, bypassing a loudspeaker. A jack socket (unbalanced) and balanced XLR connector are available for direct pickup of the signal. The extensive filter section provides for a realistic simulation of classic guitar loudspeaker sounds.
Technical specifications:
- Loadbox: 6.3 mm jack input with parallel THRU socket for speaker operation Loadbox
- Input impedance: 4 ohms, max.
- Input load: 120 w RMS
- Input level display: 6 LED's
- Output: 2 x 6.3 mm jack, unbalanced, floating ground, 1 x balanced XLR output
- Output impedance: jack: 10.000 ohms, XLR: 600 ohms
- Level: unbalanced 0 dB, balanced -10 dB at 25 w
- Input Controls: Volume FiIlter, LOW, HIGH, LITE/BROWN-switch for tone shaping
- Full Range Volume for unfiltered signal, used in conjunction with the HI-CUT to emulate the bright sound of, e.g., 10-inch speakers
- Both signals attenuable
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Palmer Power Attenuator - Control the volume of your guitar amp
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 level makes the speaker completely mute; 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 an output for connecting a speaker cabinet.
- Maximum input power: 120 watts
- 6-position switch, 5 increments (3 dB each) for volume reduction, equivalent to attenuation of the input power to 70%, 50%, 35%, 25%, 18%.
- The 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 6.3 mm jack socket
- Output for speaker cabinet: 1 x 6.3 mm jack sockets connected in parallel
- Output impedance: 16 ohms
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