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Clubster 25W 1x12 Tube Guitar Combo Amp

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The Clubster continues the Rivera Amplifier tradition for some of the best tone on the planet, and for rugged construction and long life. Compact and lightweight, yet big on tone, the all-tube 25W Cl... Click To Read More About This Product

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The Clubster continues the Rivera Amplifier tradition for some of the best tone on the planet, and for rugged construction and long life. Compact and lightweight, yet big on tone, the all-tube 25W Clubster guitar amplifier will please amateurs and pros alike.

The Clubster puts 25W of 6V6GT power through a 12" Rivera Celestion Vintage Gold speaker. The amp uses two 12AX7 preamp tubes - reliable and easily accessible for service. Built with a full plywood cabinet, welded zinc-plated steel chassis, audiophile-quality components, and military-grade construction. Comes with a footswitchable Accutronics 3-spring mechanical reverb and a 2-function footswitch.

Around back, an effects patch loop is provided along with an external speaker jack and a line output for recording or P.A. feeds. The power cord is detachable and easy to replace.

Clubsters have two completely independent preamp channels, each with its own EQ section. Channel 1 is a high-gain channel with 3-band EQ and a switchable gain boost, and Channel 2 is a sparkly clean channel with 2-band EQ and enough gain and headroom to overdrive the power amp when needed.

Dialing up clean and distortion tones has never been easier. From Mississippi Delta Blues to Birmingham Steel Rock to Nashville Clean, your tone is home with the Clubster amp.

The Clubster is a professional amp suitable for serious working musicians, yet it is quite affordable. Casuals like a wedding or party could not be any easier, due to the compact size, low weight, and abundance of fine tone.

For recording, Clubsters do the job well. Utilizing good miking technique in recording situations, this small package of excellent tone will lay down great sounding tracks. You can also use the Clubster to power an external Rivera 412 cabinet, allowing you to record stack sounds easily.


  • Compact
  • Lightweight
  • All-tube design
  • Rugged construction
  • Great tone
  • Footswitch from rhythm to lead
  • 2 - 12AX7 preamp tubes
  • 6V6GT power tubes
  • 12" Rivera Celestion Vintage Gold Speaker
  • Full plywood cabinet
  • Welded zinc-plated steel chassis
  • Accutronics 3-spring mechanical reverb (footswitchable)
  • 2-function footswitch
  • Effects patch loop
  • External speaker jack
  • 3-band EQ on channel 1
  • 2-band EQ on channel 2
  • Channel 1 controls: Volume, bass (pull switch for boost), middle, treble, master
  • Channel 2 controls: Volume (pull switch for channel selection), treble (pull switch for bright), bass
  • Common front-panel inputs and controls: 1/4" High Gain input, 1/4" footswitch input, reverb control, presence control, power on/off switch
  • Rear-panel inputs and outputs: 1/4" effects loop send, 1/4" effects loop return, 1/4" line output, 1/4" external speaker output
  • Preamp tubes: Two 12AX7A
  • Output tubes: Two 6V6GT
  • Output power: 25 watts RMS into 8 ohms
  • Speaker: 12" Rivera Vintage Gold
  • Footswitch functions: Channel switching, reverb on/off (footswitch is included)
  • Reverb: Accutronics® 3-spring reverb
  • Height: 18.5"
  • Width: 18.5"
  • Depth: 12"
  • Weight: 38 lbs
  • Cabinet material: 5/8"-thick plywood
  • Construction: Dadoed joints
  • Covering: Black Tolex
Pro Coverage
Subject to the Obligations and Exclusions found below, this RIVERA product is warranted against manufacturing defects in material and workmanship for the period of one (1) year from the date of purchase, with the exception of tubes, which carry no warranty, and loudspeaker drivers, which are covered for 90 days.

The warranty period commences on the date of purchase by the original user. Performance under this warranty must be obtained at one of the following: a RIVERA Authorized Service Station, by returning the unit to the RIVERA factory with prior authorization, or (in countries outside of the United States) by a representative RIVERA distributor. A list of RIVERA Authorized Service Stations can be obtained from RIVERA, 12970 Branford St. Unit P, Arleta, CA 91331, USA, ATTN.: Warranty Service. Telephone (818) 767-4600; Fax (818) 394-2097.

1. This warranty will be honored only on the presentation of the original proof of purchase.
2. Transportation of the product to the service station or RIVERA factory is the responsibility of the user unless specifically stated otherwise in this warranty. RIVERA will pay for return shipping charges if the repairs are covered by the warranty.

1. This warranty shall not cover adjustment of customer-operated controls as explained in the appropriate model's instruction manual, or products that have been altered, replaced, or have missing serial numbers.
2. This warranty shall not apply to the appearance of accessory items including, but not limited to, cabinets, cabinet parts, or knobs.
3. This warranty does not apply to uncrating, setup, installation, or the removal and reinstallation of products for repair.
4. This warranty shall not apply to repairs or replacements necessitated by any cause beyond the control of RIVERA including, but not limited to, any malfunction, defects, or failure caused by or resulting from unauthorized service or parts, damage resulting from improper packaging when returning product, damaged or broken tubes, incorrect line voltage, improper maintenance, modification or repair for the user, abuse, misuse, neglect, accident, fire, flood, or other Acts of God.
5. This warranty shall not apply to any loudspeaker drivers that have been damaged due to thermal destruction, or physical destruction such as moisture, rips, tears, shock, or transport.
6. Responsibility for any repair of any RIVERA product sold outside of U.S. boundaries is borne by the RIVERA representative in that particular country or territory. Also, the warranty term and conditions may be different from those stated above. Please contact the RIVERA distributor or dealer in your country for more information.

for it any other obligation or liability. In no event shall RIVERA be liable for special or consequential damages arising from the use of this product, or for any delay in the performance or this warranty due to causes beyond our control. Some states do not allow limitations on how long an implied warranty lasts and/or do not allow the exclusion or limitation of consequential damages, so the above limitations on implied warranty and consequential damages may not apply to you. This warranty gives you specific legal rights. You may have other rights that vary from state to state.

  • Customer Reviews

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(2 of 2 customers found this review helpful)


Very sensitive, PRO quality build and superb sound quality

By Kim cameo

from Palm Beach, Florida

I've had mine for about 6 months now. I was told by the salesman that the Seventy 80 Celestian would break in and settle into some nice tonality, but initially it would be sterile and flat sounding. That was my experience. At first the amp was impossible to dial in. Once the Celestian loostened up, I was able to use the EQ effectively on both channels. With a Les Paul Standard, my clean tones are spectacular. I would describe it as angelic-angels striking perfectly tuned bells is how I would characterize the tone on every note. Chords are so clean and clear; single note lines are thrilling. Harmonic content and liquid sustain present in spades. On the OD channel I simply turn the bass and treble to zero and dime the mids. I fussed with the bass and treble until I simply dialed them back to zero. Viola! Killer tone. With a pure "mids" tone going, the amount of gain is just a matter of choice. It sounds good from top to bottom on the gain dial. And it is quite loud. With the pull gain boost it really blasts. No worries about the OD/Distorted sound-it's just great. This is the only two channel amp I ever owned that has outstanding tonality on both the clean and overdrive channels. The front end of this amp is UBER UBER UBER sensitive. Your guitar really enters the picture here, as does your technique and pick attack. Once you get used to it, you will find beautiful tones on both channels. You might also want to experiment with various pre-amp tubes to obtain different tones and gain ranges. This is not an amp for beginners-it's very easy to fly right past your desired tones using the EQ and the volume & tone controls of your guitar. All knobs (volume, tone, gain) operate between zero and about 6.5 with a steady curve. At about 7, they gather some real power and nearly double in effect. Between 7 and 10 it's very dramatic. Changing the knob value by even one number excites changes - so you must be patient to get "orgasmic tones" from this amp-but they are most definitely in there. You really have to bring the volume and tone controls on your guitar into the mix. This is an amp in the "old-school" vein that requires a knowledge of the dynamics and interaction of ALL elements of the signal chain-from pick action to speaker performance.'s not for beginners or the impatient or the distorto-only crowd. I set my reverb at 3 for a bit of depth and set the presence to suit the room. Reverb is just average and presence does what it is meant to do. Build quality is outstanding. No mass production models come close. I recommend the Clubster 25 Doce to experienced guitarists wanting a versatile amp of medium loudness that is capable of producing above average quality tones.

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