RIPA A33 Audio Mixer -

• Supports 8 balanced microphone inputs and multiple stereo line inputs for versatile audio system integration.

• Low-noise microphone preamps deliver clean, natural sound with excellent anti-interference performance.

• Integrated digital effects processor with flexible routing for enhanced audio production.

• Three independent AUX sends and group outputs for advanced signal distribution and monitoring

• Comprehensive equalization with sweepable mid-frequency control enables precise sound shaping and optimization.

• Integrated USB MP3 player allows direct playback of audio content without external devices.

• Dedicated headphone output and precision 100mm faders ensure accurate audio monitoring and mixing.

• Double-sided SMT PCB construction, balanced XLR connectivity, and robust build quality

Description

Product Description

RIPA A33 Audio Mixer is a high-performance analog mixing console with integrated DSP effects, designed for live sound, studio recording, video conferencing, and multimedia applications. Combining low-noise microphone preamplifiers, flexible input/output routing, built-in digital effects processing, and comprehensive audio control, the A33 delivers exceptional sound performance for both speech and music applications.

RIPA A33 Audio Mixer

Image: RIPA A33 Audio Mixer

Input/output configuration: 8× balanced XLR microphone inputs with +48V switchable phantom power per channel, 2× stereo line inputs (RCA/6.35mm), channel insert points on mic inputs, 2× balanced group bus outputs, and 3× independent AUX sends each configurable as pre-fader or post-fader.

Audio processing: low-noise preamplifier design with high anti-interference capability. 3-band EQ per channel — Low: 80 Hz ±15 dB (fixed), Mid: 250 Hz–6 kHz ±15 dB (sweepable, MF range 140 Hz–3 kHz), High: 12 kHz ±15 dB (fixed). Built-in DSP with 4 assignable bus groups. 100mm travel high-resolution precision faders. Integrated MP3 player with USB input support. Dedicated headphone monitoring output: 260 mW @ 200Ω.

Audio performance: THD <0.005%, frequency response 20 Hz–20 kHz (+1 dB/–3 dB), maximum output level +18 dBm, SNR –81 dB (referenced to +4 dBu), residual output noise <–83 dBu, crosstalk <–79 dBu. Gain range: –51 dB to 0 dB (mono channels), –26 dB to 0 dB (stereo channels). Input impedance: Mic 2.4 kΩ, Line (mono) 11 kΩ, Stereo 100 kΩ. Output impedance ≤75 Ω (all balanced outputs). Power: AC 100–240V, 50/60 Hz internal universal supply, 35W typical consumption. Built with double-sided SMT circuit technology for enhanced reliability and noise rejection.

Datasheets: RIPA A33 Audio Mixer Datasheet v1.0

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