Orange Amps OB1-500 | 500W Rack Mountable Single Channel Analog Bass Amp Head

For discerning bassists seeking unmatched tonal versatility and raw power, the Orange Amps OB1-500 is a game-changer. This 500W rack-mountable single channel analog bass amp head is expertly designed to combine the best of both guitar and bass amps into a single, robust unit. No longer do you need to haul multiple amps to capture that dynamic live sound; this innovative amp head delivers the clarity, warmth, and overdrive richness you've always dreamed of, thanks to its unique bi-amp inspired design.

The OB1-500 sets itself apart with its footswitchable Blend circuit, adding controlled gain and harmonic enhancement to your higher frequencies while preserving the integrity of your low-end bass tones. Whether you're after a transparent clean boost, a gritty overdrive, or something in-between, the OB1-500's Gain and Blend controls offer limitless possibilities for crafting your perfect sound. Ideal for both studio and live performances, this amp head ensures your bass lines are always powerful, clear, and extraordinarily musical.

Encased in a rugged, white powder-coated steel chassis, the OB1-500 fits seamlessly into any 19-inch rack mount setup. With a three-band active EQ, balanced and line outputs, and a simple yet iconic 'pics only' front panel design, it’s clear that every detail of the OB1-500 is designed with the professional bassist in mind. If you're serious about your sound and looking for an all-analog signal path that can handle incredible gain levels without losing definition, the OB1-500 is your go-to amp head.

Key Features

• Footswitchable Blend Circuit: Add gain and harmonic content to higher frequencies while keeping your low-end clear and warm.
• 500W Class A/B Power: Delivers robust, expressive, and musical tones even at high gain levels.
• Three-Band Active EQ: Maximizes tonal versatility with +/-15dB boost or cut on Bass and Middle controls, and +/-20dB on Treble control.
• Rack Mountable Design: Fits neatly into any 2U, 19-inch rack setup.
• All-Analog Signal Path: Ensures superior tonal quality and responsiveness.

Specifications

• Rack Mountable (2U)
• Footswitchable Gain & Blend Controls
• Active 3-Band EQ
• Balanced DI & Line Level Outputs
• Instrument Input with Active/Passive Switch
• Gain, Blend, Bass, Middle, Treble, Volume Controls
• Footswitch Input
• Speaker Outputs: Minimum 4 Ohms (1x8 Ohm, 2x8 Ohm, 1x4 Ohm)
• Output Power: 500W, Class A/B
• Unboxed Dimensions: 48.2 x 26.5 x 10cm
• Unboxed Weight: 10.1kg

Package Contents

• Orange Amps OB1-500 Bass Amp Head
• Power Cable
• User Manual
• Footswitch (optional, sold separately)