Blue Sky

Built for your pedalboard

The Blue Sky gives your pedals a warm, clean 6L6 foundation. Its single, very clean channel offers fat cleans and generous headroom while responding to your playing dynamics and retaining the amp’s own character.

There is no effects loop. Your delay, reverb and modulation pedals go straight into the front input. Full tube-driven spring reverb adds a lush finish, and the straightforward controls keep dialing in your sound simple.

Bedroom to big stage

SVC, Seamless Volume Control, takes the Blue Sky from 0.1 watt bedroom levels to 35 watt stage levels. It preserves your tone at lower volumes without a power soak.

The control panel has Gain and SVC Volume attenuation, Bass, Mid and Treble controls, plus Reverb and Presence.

Power and connections

The Blue Sky delivers 35 Watts R.M.S. from 2x TAD 6L6GCM-STR REDBASE TAD PREMIUM Selected power tubes. The preamp uses 2x12AT7 + 2x12AX7 tubes.

Speaker output options are 4, 8 and 16 Ohm, or 2x16 and 2x8 Ohm.

Head and combo versions

Choose the Reverb Head 35 Watt or Reverb Combo 35 Watt. The Ultra Compact Combo has a Celestion Creamback G12H75 speaker rated at 75 Watt and 8 Ohm. Other speaker options are available on request.

• Head dimensions: H 25 cm, W 50.5 cm, D 25.2 cm
• Head weight: approximately 13.5 kg
• 2024 Ultra Compact Combo dimensions: H 43 cm, W 50.5 cm, D 25.2 cm
• Ultra Compact Combo weight: approximately 19.5 kg

Handmade construction and finish

Kool Amplification makes the Blue Sky by hand from A to Z, including hand-wiring and hand-soldering. The housing uses 18 mm, 13 ply poplar with Kool corner construction. The front baffle is 18 mm, 13 ply Baltic birch.

Black Levant Tolex and Classic Gray-Black-Silver grille cloth are standard. Custom Tolex and grille cloth are optional, and you can request a custom color.

Spare power tubes

You can add an optional matched spare set of 6L6-style power tubes to your order. You can swap them yourself later without rebiasing.

Warranty and returns

The amplifier has a 5-year limited warranty, transferable to a new owner, covering defects in materials and workmanship. Tubes and speakers have a 9-month warranty, and repairs are handled by Kool Amplification’s own specialized team.

The Blue Sky comes with a 14-day money-back guarantee. To return it within 14 days of delivery, it must be unused, complete and in its original packaging.