12/23/2023 0 Comments Tube amp with attenuator![]() A cranked amp is a combination of multiple different gain stages. ![]() A ton of focus gets put on 'pushing the tubes', but that isn't the entire equation. But if you want to take a raging 100 watter down to TV volume then you'll either need to get a fancier Attenuator or just live with tone loss.Ī bigger related topic is to understand everything that makes up the tone of a cranked tube amp. Treble Boost Switch: (Three Position) 0dB, +3dB and +6dBįRONT PANEL: Power Attenuator Control, Treble Boost Switch, Footswitch JackīACK PANEL: Amp, Speaker, Ext.As a general note I would say that if you are just looking to knock off a few DB's then most any attenuator on the market will work fine with relatively minimal tone loss. Maximum Input Power Handling: 100 Watts at 4Ω/8Ω Always make sure that your amplifier is connected to a speaker to avoid damage to your amplifier. IMPORTANT: The Jim Kelley Power Attenuator is not a load box/dummy load. This output is useful for sending your amp's attenuated signal to a PA or recording console. Provides a line level signal (D.I.) derived from the attenuator speaker jack. Use this jack to connect an additional speaker cabinet. Use this jack to connect your speaker cabinet from the attenuator.EXT. Use this jack to connect your amplifier’s speaker output to the attenuator. IMPORTANT: To operate the Power Attenuator, the attenuator must have one of the following plugged into the Footswitch input: a 4-Pin Mating Plug (included) or the optional Power Activation Footswitch. 0dB+3dB 10kHz 8.25dB attenuation+6dB 10kHz 8.25dB attenuation ACTIVATION FOOTSWITCHĪctivates the Power Attenuator via the Jim Kelley Power Attenuator Activation Footswitch (optional) This three position switch works as a loudness compensation to restore top-end dynamics to your guitar’s signal when playing at lower volumes/higher attenuation settings. When listening to music at lower volumes, it’s natural for a signal’s high-end and low-end to become less prominent. Use this control to dial in the desired amount of output level that best suits your playing environment.Īttenuator Settings: 10=0dB 9=-1dB 8=-2dB 7=-4dB 5=-6dB 3=-12dB 2=-16dB 0=∞dB FRONT PANEL POWER ATTENUATOR KNOB - Varies the amount of power attenuation applied to your amplifier’s speaker output. At this setting you will notice a -4dB reduction in volume. ![]() To get started, we recommend setting the attenuator’s control to 7.
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