Bogner Alchemist Guitar Amplifier

February 1, 2009 by  

Bogner Alchemist Guitar AmplifierIn 1989, Reinhold Bogner made a life changing decision by moving to Los Angeles from his homeland in Germany. While in Los Angeles, Bogner made a name for himself with his innovative style and his ingenious guitar sound. Bogner helped many musicians with modifications and repairs. Allan Holdsworth, Steve Vai, and Steve Stevens were just some of the musicians Bogner helped along his journey. It was not until Bogner encountered Eddie Van Halen’s #1 Marshall Plexi (overhauling and revitalizing it) to Eddie’s satisfaction, then his real triumph had begun. With his success of Van Halen and others it helped shaped the reputation of Bogner Amplification.

The way Bogner amps are constructed is pure perfection. Each amp is built to the same standards; amazing craftsmanship, sophisticated arrangement of simple circuits, currents, metal and wood. The final product is a flexible amp with a number of effects and tonal choices, not to mention very precise controls. This unique breed of design allows musicians to have definitive authority over their tone and sound. The Alchemist has shown no mercy either.

The Bogner Alchemist features a matched pair of 6L6 power tubes and five 12AX7 preamp tubes. On all Alchemist models, you will find two channels; “Gold”—channel one—and “Mercury”—channel two. The Gold channel (left) includes a clean start and gears up to sizzling tones as the CRUNCH switch is enabled. The crunch channel breaks up like a tweed, but has the low-end similar to a Hiwatt—an extraordinary rhythm or blues channel. The Mercury channel picks up from there, offering a more crunchier rhythm and lead tone; from the famous white-hot Bogner gain. Both channels have controls for Treble, Middle, Bass, Volume and Gain so you can customize each channel to your distinctive taste.

Alchemist options include:

  • 1×12 or 2×12 open-back Combo, Head, 2×12 open-back Extension Cabinet
  • Switchable 20-watt variac mode
  • Crunch mode and Deep switch—adds low mid depth and bottom end (channel 1)
  • Mid Shift—allows for more intricate tone adjustments at varying volumes (channel 2)
  • Punch Switch—switches between Fenderstyle and British-flavored tones (channel 2)
  • Bright Switch for both channels
  • Shared in parallel; Reverb Type, Reverb Level, Delay Type, Delay Level, Delay Repeats (Feedback), Tap Tempo
  • Premium Celestion speakers
  • Four-button footswitch included: Channel Select, Boost, Delay, Reverb
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The Alchemist offers three different modes, from Ducking, Analog and Tape (Ducking is a digital delay). The mix level is one of the coolest things since sliced bread. This feature is designed to automatically respond to your playing volume, reducing the level of the delay while you are playing, and increasing the level when you stop. The analog delay setting is a model of the classic analog delay pedal, providing a personality-warm, classically-rich sound with subtle modulation. The tape delay provides classic darkening echoes, and organic variations of typical of classic tape echo units. In addition, the built-in reverb effects feature studio-grade-digital-processing. The 3-position switch has three choices: Plate, Spring and Hall.

The End Line

If you’re looking for an ear splitting crunch, an amicable touch of the Brown sound or classic cleans that would make a Fender amp blush, it all can be found under the hood of Bogner’s latest creation, the Alchemist. Like all its other ancestors, each and every Alchemist has Reinhold’s stamp of approval and signature configurations. With all of his sweat, time and hard work devoted into his projects, Reinhold can only hope for one thing upon plugging into his latest amplifier. “I hope it will inspire you.”

Bogner Alchemist

1. ¼” input

2. Power Switches – The upper switch chooses the full power (40W) or low power (20W) mode, and sets the amp to standby (power on, but power amp is not driving the speaker). The lower switch turns the amp on/off.

3. Gain Lights – When the Footswitch is enabled, these easy to see LED lights will easily distinguish which Channel you’re on.

4. Boost – (Gold) this will slightly increase your volume, but thicken your tone with mid-low increases. (Mercury) fattens your tone and pushes the gain without significantly changing volume.

5. Clean/Crunch – (Gold) Clean mode stays pretty clean with an open sound Fender Amps. The Crunch channel breaks up like a Tweed, but has bottom end for a great rhythm or blues channel.

6. Bright– Both channels have their own bright switch, to customize the channel for your guitar.

7. Deep – Adds low mid depth and bottom end to the Gold (left) channel.

8. Punch – Switched to the left, this will give midgain rhythm and lead tones with a Fender-style tone. Switch it right for more of a British, high gain flavor.

9. Mid Shift –Switched to the left, for more focused tone adjustment from the tone knobs. Switched to the right, this broadens the effect of those controls, which can be especially effective at lower volumes.

10. Delay – The delay signal is applied in parallel to your dry signal, so your dry signal never goes through the internal effect unit.

11. Ducking – This is a digital delay. The mix level automatically responds to your playing volume, reducing the level of the delay while you are playing, and increasing the level when you stop.

12. Analog – This is a model of a classic analog delay pedal, providing a classically warm, personality-rich sound with subtle modulation.

13. Tape – This is a model that provides classic darkening echoes, and the organic variations typical of classic tape.

14. Repeats – This knob sets the feedback, which determines how many repeats of the delay you’ll hear.

15. Tap – Tap two or more times on this button to set the delay time to match the speed/tempo that you tapped.

16. Reverb – The built-in reverb effects feature studio-grade digital processing. The 3-position switch chooses between Plate, Hall and Spring reverb

For more information, visit Bogners‘ official website at

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