Vahlbruch Kaluna II HV Tube Drive

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Vahlbruch Kaluna II HV Tube Drive

Vahlbruch

Kaluna II HV Tube Drive

4.7 Expert Rating

Product Info

Article Number: 588123
Model: Kaluna II HV Tube Drive
Price: $372.90

* Prices may vary. Check retailer for current pricing and availability.

The Kaluna II HV is a seriously cool little tube pedal. It nails that warm, responsive overdrive sound, and the new structure switch really expands its versatility. This is a great option for guitarists wanting a genuine tube feel without the fuss of a full amp – especially those into rock, blues, and slightly heavier genres.

Product Description

  • Vahlbruch Kaluna II HV Tube Drive
  • Effect Pedal for Electric Guitar
  • Analogue overdrive/distortion pedal with ECC83/12AX7 double triode tube (powered with 250 V) and silent MagTraB button
  • 2nd Version with new structure switch
  • which provides a higher (HOT) and a lower (LOW) gain mode in addition to the familiar gain structure of the first version (V1)
  • New overvoltage protection prevents damage to the tube if a power supply unit with more than 9 V is accidentally connected
  • Controls: Drive
  • Bass
  • Middle
  • Treble
  • Volume
  • LED: Effect On
  • Footswitch: On/Off
  • Input and output: 6.3 mm jack
  • Power supply connection: Barrel connector 5.5 x 2.1 mm
  • centre negative
  • Power consumption: 500 mA
  • Power supply via 9 V DC power supply unit (not included - suitable power supply unit: Art.#409939#)
  • Dimensions: (W x D x H): 120 x 100 x 48 mm
  • Weight: 375 g
  • Handmade in Germany

*Note:* Battery operation is not supported

PROS
  • • ECC83/12AX7 tube delivers authentic, dynamic tube saturation.
  • • Structure switch provides versatile gain options, from subtle drive to crunch.
  • • Robust MagTraB footswitch ensures silent, reliable operation.
  • • Overvoltage protection safeguards the tube from accidental power supply issues.
CONS
  • • Relatively high power draw necessitates a quality, stable power supply.
  • • Limited EQ control compared to more complex distortion pedals.
  • • Size might be restrictive for players with very compact pedalboards.

Product Video

Key Features

Distortion Type Tube Overdrive/Distortion
Controls Drive, Bass, Middle, Treble, Volume
Bypass Type True Bypass
Power Supply 9V DC, 500mA
Connections 6.3mm Mono In/Out, Barrel Power Connector
Dimensions 140mm x 95mm x 65mm

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Frequently Asked Questions

The ‘HOT’ setting provides higher gain for more aggressive distortion, while ‘LOW’ offers a smoother, more subtle overdrive tone.
While it uses a standard 9V barrel connector, the high current draw (500mA) means a dedicated, isolated power supply is highly recommended for best performance and reliability.
The Kaluna II offers a genuine tube saturation characteristic which is impossible to fully replicate digitally; it has a more organic, responsive feel and harmonic complexity.

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