GR Bass GROOVE800 Bass Amplifier Top – 800W, Tube Preamp, Class D, DI & FX Loop

The GR Bass GROOVE800 is a powerful 800W bass amplifier head with a warm, dynamic tube tone thanks to its built-in tube preamp featuring two 12AX7 tubes. This amplifier combines the warmth of analog tubes with the efficiency of a modern Class D output stage, making it ideal for bassists seeking punch, clarity, and character in their sound. Its sturdy steel chassis and user-friendly control panel make the GROOVE800 suitable for both live performances and studio use.

The GROOVE800 features comprehensive tone controls with a 4-band EQ, mid-frequency selection, deep and bright boosts, and a mid-scoop filter. With features like a "pure" bypass, aux input, a headphone output with separate volume control, a DI with pre/post switching, and an FX loop, this amp head offers maximum control. The rear panel includes an anti-bump DI, two Speakon outputs, a 9V power supply for external devices, XLR aux input, and a footswitch connection (mute/drive). The GROOVE800 is a serious choice for the bassist who wants to combine character and power.

Specifications:

• Type: Bass amplifier top
• Power: 800W RMS
• Weight: 3.5 kg
• Dimensions: 34 x 7.2 x 25 cm
• Preamplifier: Tube preamp (2x 12AX7)
• Output stage: Class D
• Number of channels: 1
• Casing material: Brushed steel

Front panel:

• Entrance
• Gain & Drive
• Mid scoop tone filter
• 4-band EQ: Low, Mid Low (220Hz-620Hz), Mid High (720Hz-1750Hz), High
• Deep & Bright boost
• Pure function (bypass EQ)
• DI with independent volume control
• Pre/Post EQ switch for DI
• Aux-in
• Headphone output + volume control
• LED/Fan switch
• Master volume
• Mute button

Back panel:

• 2x Speakon combo speaker outputs (min. 2.7 ohms)
• Footswitch connection (Mute & Drive)
• GND lift
• DI output with anti-bump
• XLR Aux-in (for headphone output)
• FX Loop (Send/Return)
• 9V output for external equipment
• Warranty: 5 years

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