Palmer PDI-09 The Junction – Analog Speaker Simulator & Guitar DI Box

The Palmer PDI-09 The Junction is a professional passive guitar DI box with integrated analog speaker cabinet simulation, designed to capture the sound of your guitar amplifier directly without the need for a microphone.

A fantastic solution for both live performances and studio recording!

Unlike traditional DI boxes, the PDI-09 features a specially designed analog filter circuit that recreates the frequency response of a guitar speaker cabinet, delivering a natural, warm, and authentic guitar tone.

Simply connect it between your amplifier’s speaker output and your speaker cabinet, and send the balanced XLR signal directly to your mixing console, audio interface, or PA system.

The result is a consistent guitar sound without microphone placement issues, unwanted stage bleed, or feedback.

Features

• 100% analog, passive design – No power supply or batteries required.
• Integrated guitar speaker simulation – Natural, musical speaker cabinet emulation.
• Three voicing options:
• • Mellow: Warm, smooth tone with softer high frequencies.
  • Normal: Balanced, natural guitar speaker response.
  • Bright: More presence, clarity, and definition.
• Three attenuation settings: 0 dB, -15 dB, and -30 dB.
• Transformer-balanced XLR output for professional audio connections.
• Ground Lift switch to eliminate unwanted ground-loop hum.
• Speaker THRU output to maintain the connection between your amplifier and speaker cabinet.
• Handles amplifier outputs up to 200 watts, depending on the connected speaker load.
• Heavy-duty metal enclosure, built for years of professional use.

Perfect for Live & Studio

The Palmer PDI-09 is particularly useful for guitarists who want a reliable and consistent sound from one gig to another.

It allows you to send your amplifier’s tone directly to the front-of-house mixing console while continuing to use your regular speaker cabinet on stage.

It’s also an excellent recording tool, allowing you to capture your amp without worrying about microphone positioning.

You can even combine the PDI-09’s direct signal with a traditional microphone for additional tonal possibilities.

The PDI-09 uses the same acclaimed speaker simulation technology found in Palmer’s legendary PDI-03 and PGA-04 units.

A simple, reliable, and great-sounding analog solution for guitarists who love the sound of their amplifier!

Technical Specifications

• Type: Passive Guitar DI Box / Speaker Simulator
• Technology: Fully analog
• Input: 1/4” Jack
• Speaker THRU: 1/4” Jack
• Output: Balanced XLR
• Output impedance: 600 Ohms
• Attenuation: 0 / -15 / -30 dB
• Speaker simulation: Mellow / Normal / Bright
• Ground Lift: Yes
• Transformer isolation: Yes
• Maximum amplifier power: Up to 200 W (depending on speaker load)
• Power supply: Not required
• Dimensions: 120 × 60 × 35 mm
• Weight: Approximately 284 g

Important: The Palmer PDI-09 is NOT a load box or power attenuator. When connected to an amplifier’s speaker output, a suitable speaker cabinet or external load must remain connected.

Demo video: