The Marvell Deluxe is a tube amplifier with three independent channels drawn from the Kool Amplification Ace, Marvell and Dark Matter designs. You get Plexi-style cleans through high-gain overdrive, with footswitchable Loud & Louder power control.
Handmade in 13 ply lightplex with Kool corner construction, it comes in Black Levant Tolex, with custom Tolex available on request.
Main Features:
3 independent channels
Channel 1 = '68 Plexi Clean/mild crunch (Origin: Kool Amplification Ace)
Channel 2 = Crunch/Overdrive (Origin: Kool Amplification Marvell)
Channel 3 = High Gain/Overdrive (Origin: Kool Amplification Dark Matter)
Bright switches channel 1
84 Switch channel 2
Fat Switch channel 2, 3
Loud & Louder Attenuators: attenuates from 20 up to 50 watt
Ultra wide gain range control on all channels for ultimate gain versatility
Channel 1 controls: Gain, Master, Bass , Mid, Treble
Channel 2 controls: Gain and Master / Shared ch2 and 3: Bass , Mid, Treble
Channel 3 controls: Gain and Master / Shared ch2 and 3: Bass , Mid, Treble
Shared controls: Presence, Resonance, Loud, Louder
True bypass effects loop with level control (footswitchable)
High Voltage (HV) and Low Voltage (LV) ‘’variac"" style selection
Footswitch 4 switches: Channel 1-2, Channel 2-3, Effects loop, Loud - Louder attenuators)
Outputs 4, 8, 16 Ohm or 2x16, 2x8 Ohm
20 to 50 Watt Specification:
Output: 20 to 50 Watts R.M.S. (Loud & Louder)
Kool Amplification OVERTONES transformers, custom made in BRITAIN
2 x 6CA7 power tubes
4 x pre-amp tubes:
1 x TAD 7025-12AX7 High Grade Premium Selected (Pre-amp CH 1, 2 and 3 stage 1 + Preamp CH2 stage 2)
3 x JJ 12AX7 (Pre-amp CH3 + Cathode follower + Phase shifter)
Outputs 4, 8, 16 Ohm or 2x16, 2x8 Ohm
Head weight: approx. 16 kg
Hand soldered / handwired in the Netherlands
by Kool Amplification
Finish & Construction:
Handmade by 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: 'Black Levant' (Custom Tolex on request)
Marvell Deluxe manuals
Three channels, one amplifier
The Marvell Deluxe brings together the Ace, Marvell and Dark Matter channel designs in a compact, sturdy amplifier. It reflects 20 years of tube amplifier design and tone development, with an ultra-wide gain range on every channel.
Channel 1 Plexi clean
Based on the Kool Amplification Ace, Channel 1 delivers '68 Plexi clean and mild crunch tones. Think of a cleaner original Plexi sound with a hint of TwinR: big, fat and open, with a three-dimensional tube character that works as a platform for your pedals.
Turn up the gain and add a clean boost for '70s AC/DC-style sounds. Milder settings suit a Strat with fuzz.
Channel 1 has its own Gain, Master, Bass, Mid and Treble controls, plus Bright switches.
Channel 2 crunch and overdrive
The Marvell-derived channel pairs a '68 Plexi-style circuit with an integrated Jose Arredondo-style tube-driven preamp booster. Its gain range runs from subtle '70s crunch to contemporary overdrive, with a tight bass response.
Channel 2 has independent Gain and Master controls, an 84 switch and a Fat switch. It shares Bass, Mid and Treble controls with Channel 3.
Channel 3 high gain
Channel 3 takes its voice from the Dark Matter, an ultra-high-gain version of the hot-rodded Marvell sound. This is the contemporary Plexi ultra-overdrive channel.
You have dedicated Gain and Master controls and a Fat switch, with Bass, Mid and Treble shared with Channel 2.
Loud and Louder
The footswitchable Loud & Louder attenuators let you set the amplifier's overall output from 20 to 50 Watts R.M.S. Set Loud for your rhythm parts and switch to Louder for solos.
Presence and Resonance are shared controls, alongside Loud and Louder. High Voltage (HV) and Low Voltage (LV) selection provides a variac-style option.
Effects loop and footswitch
The footswitchable true-bypass effects loop is described as a zero-loss design. Its level control lets you boost, attenuate or balance the signal, and you can bypass the loop with the footswitch.
The footswitch has 4 switches:
- Channel 1-2
- Channel 2-3
- Effects loop
- Loud & Louder attenuators
Tubes and speaker outputs
The power section uses 2 x 6CA7 tubes. The preamp has 4 tubes:
- 1 x TAD 7025-12AX7 High Grade Premium Selected for the first preamp stage of all channels and Channel 2's second stage
- 3 x JJ 12AX7 for the Channel 3 preamp, cathode follower and phase shifter
Speaker outputs support 4, 8 and 16 Ohm loads, or 2x16 and 2x8 Ohm configurations.
Construction and finish
Handmade by Kool Amplification, the Marvell Deluxe uses 13 ply lightplex with Kool corner construction. Black Levant Tolex is standard; custom colors or Tolex are available on request.
The head weighs approximately 16 kg. Its dimensions are H=25 cm, W=51 cm and D=25 cm. The listed combo dimensions are H=52 cm, W=51 cm and D=25 cm.
Warranty and returns
The amplifier has a 5-year limited warranty, transferable to a new owner, covering defects in materials and workmanship. Tubes are covered for 9 months. Repairs and service are handled by Kool Amplification's own specialized team.
A 14-day money-back guarantee applies. Returns must be unused, complete and in the original packaging.
Delivery
- Delivery time: 2 weeks
- Free shipping in the EU and worldwide delivery on request
- Every amplifier, cabinet and accessory comes with a 14 days money back guarantee
- Choose "Pay later" or "Pay in 3 parts" at checkout
See our delivery information for details.