Koch Amps Studiotone 20 Combo

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Koch Amps Studiotone 20 Combo

Koch Amps

Studiotone 20 Combo

4.4 Expert Rating

Product Info

Article Number: 192741
Model: Studiotone 20 Combo
Price: $1,246.30

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

The Studiotone 20 is a seriously cool amp for players who love that classic British/Fender hybrid vibe. It’s got a fantastic clean platform and a really sweet overdrive that’s perfect for rock and blues. It’s a premium-priced but rewarding option for guitarists wanting a smaller, tube amp with a big sound.

Product Description

Koch Amps Studiotone Combo, Guitar Combo

The amps of the Dutch company Koch are no longer an insider tip. Excellent tube sound, at the same time flexible and settled in a fair price class - these are the most important infos in advance.The studiotone combo could attract all guitarists who want to use the warmth and distortion of a power amplifier at tolerable volumes. On the other hand, this amp with its 20 W also has clean reserves, which should be sufficient in most cases.

  • Which brings us to the clean channel
  • which has quite Fender-like qualities: You can choose from fat to sparkling sounds here
  • with 2 voicing switches (2x for mid
  • 3x for treble)
  • which effectively modify the sound. The overdrive channel on the other hand really takes off - strong
  • warm tube sound located between the rough British and settled American sound. The gain will be enough for most people. The Overdrive Boost channel
  • boosts the same sound even stronger and thus also hi-gain applications are covered. The 3 sounds share one equalizer - in the studio no problem anyway. The overdrive channel on the other hand really takes off - strong
  • warm tube sound located between the rough British and settled American sound. The gain will be enough for most people. The Overdrive Boost channel
  • boosts the same sound even stronger and thus also hi-gain applications are covered. The 3 sounds share one equalizer - in the studio no problem anyway.
  • The 12" VG12-60 Koch speaker used here is built in cooperation with Jensen
  • and it fits this small power cube perfectly. A highlight not only in the studio
  • but also when it gets really tricky with the live volume: A recording out with 2 simulated speaker types and microphone positions each is located at the back
  • when it should be silent
  • you can switch on the Power soak and go directly into the mixer completely without noise. Excellent tube sound with many useful features; not only for the studio!
  • 3 Channels: Clean
  • Overdrive
  • Overdrive Boost
  • Power: 20 watts
  • Speaker configuration: 1x 12" VG12-60 Koch
  • Class A
  • Tubes: 2x EL84
  • Passive Bass-Mid-Treble Tone control
  • 2 Vocing switches: Mid Shift (2-way)
  • Bright (3-way)
  • Separate speaker outputs: 4
  • 16 Ohm
  • Speaker on/off switch
  • Recording Output
  • Effect loop
  • Reverb
  • Headphone output
  • Dimensions (W x D x H): 44.5 x 23.5 x 43.5 cm
  • Weight: 15kg
  • Incl. FS2-ST foot switch
  • Made in the Netherlands
PROS
  • • Excellent clean channel delivers classic Fender-esque tones with voicing options.
  • • Overdrive channel provides a warm, powerful tube distortion, ideal for rock.
  • • Koch’s voicing switches offer substantial tonal shaping for both clean and drive.
  • • Compact size and 20W output make it suitable for studio and smaller gigs.
CONS
  • • Limited effects loop functionality restricts more complex signal chain setups.
  • • While versatile, it's not a do-everything amp; excels in specific rock tones.
  • • The 12-inch speaker might lack the punch some players desire for heavier genres.

Product Video

Key Features

Power (Watts) 20
Tubes 3 x ECC83 (12AX7) Preamp, 2 x EL84 Power
Speaker 1 x 12 in Celestion Seventy 80
Channels 2 (Clean, Overdrive)
Effects Reverb (spring simulation)
Weight 32 lbs

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Frequently Asked Questions

It shares a similar warmth and clarity, but Koch’s voicing switches provide more tonal flexibility than the Deluxe's fixed EQ.
While it's warm and powerful, it leans towards classic rock tones; it might lack the extreme high-gain aggression some metal players need.
It’s a decent spring simulation, but it's not the most lush or nuanced reverb – it’s functional and adds a touch of ambience.

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