
Anthony Easton
The MXR CSP099 Phase 99 is a versatile phaser pedal designed to provide a wide range of phase effects. It features two Phase 90 circuits in a single Phase 90-sized housing, allowing users to run both circuits independently or feed one into the other. The pedal offers separate rate controls for each circuit, enabling the creation of intense, complex phasing effects.
Key Features:
- Two Phase 90 circuits in a single Phase 90-sized housing
- Separate rate controls for each circuit
- Modern and vintage phase sounds toggle switch
- Series to parallel signal flow toggle switch
- Sync switch to synchronize the rate of each phase circuit
Specifications:
- Input Impedance: 450 kΩ
- Output Impedance: 2 kΩ
- Nominal Input: 20 dBV
- Max Output: 20 dBV
- Noise Floor:
- Series Mode: -95 dBV
- Parallel Mode: -101 dBV
- Bypass: Hardwire
- Current Draw: 24 mA
- Power Supply: 9 volts DC
The pedal also includes a Vintage switch to toggle between modern and vintage style phasing. Additionally, it offers the option to run both phase circuits independently in parallel mode or in series mode for a more intense effect with exaggerated frequency cuts and peaks.
The MXR CSP099 Phase 99 is designed to provide musicians with a wide range of phasing options, making it suitable for various musical styles and applications.
Watch the latest video demos and reviews for the CSP099 Phase 99 from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the MXR CSP099 Phase 99 from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

Very Good
$200

Mint
$259.90

Mint
$349.99

Browse through eBay listings for the CSP099 Phase 99 compiled in real-time. From vintage finds to brand-new units, see a variety of purchasing options. This automated collection helps you explore deals and find the right pedal at the right price.

New
$139.99

Used
$340.74

Discover pedals with similar features or sounds to the CSP099 Phase 99. This section leverages data to suggest alternatives that complement or expand your pedalboard. Ideal for exploring related sounds or finding a pedal that matches your specific needs.

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Check out the latest news and articles from around the pedal world.

Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton