Kool Amplification - 1984


The 70's varriac Brown Sound Plexi

In the late 70’s the stars aligned when a young Dutch-born guitar prodigy and his brown sounding plexi conquired the world. Although word has it that a standard late 60's Plexi was used we found out  through extensive research that this is not entirely the case. Throughout the circuit there are many variations of componentes that have a huge effect on the tone, sustain and feel of this amp. Over a period of 3 years tinkering and tweaking we have found the magic of this variac controlled  tonemonster. 
So if you're looking for that very specific tone and feel and you have those ‘"Top Jimmy" chops to evoke an eruption. You have to ask yourself this question: Why can't this be love?

Enjoy the Gr80's...

Worldwide delivery - 14 days money back guarantee
Free shipping in the EU
This product is customizable

Ch1 60's JTM 'Clean' 

The gain setting starts at splendidly sparkling and dynamically clean. Beyond one o’clock the clean morphs into a clean sound with sweetly organic edge of breakup. The sounds of ch1 are best described as dynamic, three-dimensional, open and sparkling. It’s warm yet with good definition. This mode reacts perfectly to fuzz and boost pedals plugged into the front.

Channel 2 'Overdrive' 

Before nine o’clock you’ll find some incredibly cool crunchy 60s sounds. Turning up the gain knob a little further the sound will effortlessly change into an amazing compressed 80’s style crunch. When you turn beyond two o’clock you’ll be entering ‘overdrive territory’. The overdrive sounds are harmonically rich full and fat, yet tasteful, organical and musical. The sound of channel 2 is characterized by natural compression, super fat bass, even harmonics and unparalleled sustain. Whatever gain setting you'll choose, it will always give a killer sound that cuts through the mix with ease. Channel 2 responds excellent to the volume-pot of your guitar.

SVC Volume Boost

The foot-switchable SVC Volume Boost enables you to soloboost channel 1 and channel 2 with adjustable volume control. In fact the SVC Volume Boost is an extra SVC Volume knob, with the exact same function as the original SVC volume knob. Turn this boost knob a little further than the SVC knob, engage the boost-button on your footswitch and your solo's will be boosted unlike you've ever experienced. It is like having a crew member turnig up your SVC volume whenever you start soloing, absolute guitarplayer luxury! 

True bypass effects loop (foot-switchable) 
The effects loop is buffered by 12AU7 tube. Adding the 12AU7, for several reasons, is not the cheapest solution but the 12AU7 does this job best as it affects the original signal least. The effects loop’s volume knob enables you to amplify, attenuate or balance the signal. Last but not least: You can true-bypass the effects loop with the footswitch! Tech talk: True bypass is achieved by a double relay switch at the front- and back of the loop. When the loop is being bypassed the loop physically disappears from the signal path. 

SVC -Seamless Volume Control- (Tube amp volume under control !) 
As both channels have individual gain controls, it’s easy to find your sweet spot on each channel. In the power section you’ll find an extra ‘total’ volume control which enables you to balance both channels volume levels, perfect for playing 'live'. But there is another amazing and unique feature called SVC (Seamless Volume Control). The power section ‘total’ volume control is capable of producing 0,1 Watt bedroom levels yet retaining great tone. So from now on the power-soak is a thing of the past!

Main Features:

  • 2 independent channels with independend master volume controls on each channel
  • Channel 1 = JTM Clean
  • Channel 2 = 'Plexi Overdrive'
  • Dual Loud and Louder Attenuator (set in different positions for footswitchable volume boost) No tone loss at low volumes, no need for power-soak
  • Ultra wide gain range control on both channels for ultimate gain versatility
  • True bypass effects loop
  • Footswitch (channel, effects loop, Loud/Louder )
  • Bright switch on Channel 1
  • Fat switch (both channels
  • Outputs 4, 8, 16 Ohm or 2x16, 2x8 Ohm

18 Watt Specification:

  • Output: 18 Watts R.M.S.
  • 2 x 6V6 power tubes
  • 4 x pre-amp tubes:
    3 x 12AX7
    1 x 12AU7 (effects loop)
  • Outputs 4, 8, 16 Ohm or 2x16, 2x8 Ohm
  • Head weight: 14,5 kg
  • Combo weight 19,8 kg
  • Handsoldered / handwired in the Netherlands 
    by Kool Amplification

50 Watt Specification:

  • Output: 50 Watts R.M.S.
  • OVERTONES transformers, custom made in BRITAIN
  • 2 x Premium EL34B-STR / 6CA7 power tubes
  • 4 x pre-amp tubes:
    3 x 12AX7 mix of Marshall, Svetlana, JJ
    1 x 12AU7 JJ (effects loop)
  • Outputs 4, 8, 16 Ohm or 2x16, 2x8 Ohm
  • Head weight: approx. 16 kg
  • Combo weight: 21,3 kg
  • Handsoldered / handwired in the Netherlands 
    by Kool Amplification

Finish & Construction:

  • Handmade A to Z bij Kool Amplification
  • dimensions head: H=25 cm W=51 cm D=25 cm
  • dimensions combo: H=52 cm W=51 cm D=25 cm
  • 13 ply lightplex
  • Kool corner construction
  • Tolex / piping: your choise, no extra charge!