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Alesis Studio 12R 12-Channel Rackmount Audio Mixer
- 12-Channel High-Density Analog Mixing Architecture: Integrates 8 mono microphone/line channels plus 2 stereo line-level channels into a space-saving 2U rackmount chassis designed for live rigs, sub-mixing, broadcast, and rack installations.
- 8 High-Gain Studio-Grade Mic Preamps with Phantom Power: Features 8 XLR microphone inputs with low-noise preamp circuitry, individual gain controls, peak clip LEDs, and global +48V phantom power for condenser microphones.
- 3-Band Fixed EQ on Every Channel: Equipped with high-shelving (12 kHz), mid-peak (2.5 kHz), and low-shelving (80 Hz) controls across all channels for rapid tone shaping and frequency sculpting.
- Dual Auxiliary Sends for Effects & Monitor Mixes: Includes Pre-fader Aux Send 1 (ideal for stage monitor/cue mixes) and Post-fader Aux Send 2 (for external outboard effects processors) with dedicated master level returns.
- Direct Channel Inserts for External Outboard Signal Processing: Provides 1/4-inch TRS insert jacks on all 8 mono channels, enabling direct connection of inline compressors, gates, and parametric EQs per channel pipeline.
- Flexible Monitoring & Master Routing Options: Features independent Master Stereo L/R outputs, Monitor L/R outputs, discrete Tape I/O (RCA), and a front-panel 1/4-inch stereo headphone output with dedicated master volume.
- Rugged 2U Enterprise Rackmount Form Factor: Compact, heavy-duty steel rack enclosure engineered for durable performance in mobile rack cases, radio broadcast consoles, and p
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Alesis Studio 12R 12-Channel 2U Pro Audio Rackmount Line & Mic Analog Mixer
Key Features / Overview Highlights- 12-Channel High-Density Analog Mixing Architecture: Integrates 8 mono microphone/line channels plus 2 stereo line-level channels into a space-saving 2U rackmount chassis designed for live rigs, sub-mixing, broadcast, and rack installations.
- 8 High-Gain Studio-Grade Mic Preamps with Phantom Power: Features 8 XLR microphone inputs with low-noise preamp circuitry, individual gain controls, peak clip LEDs, and global +48V phantom power for condenser microphones.
- 3-Band Fixed EQ on Every Channel: Equipped with high-shelving (12 kHz), mid-peak (2.5 kHz), and low-shelving (80 Hz) controls across all channels for rapid tone shaping and frequency sculpting.
- Dual Auxiliary Sends for Effects & Monitor Mixes: Includes Pre-fader Aux Send 1 (ideal for stage monitor/cue mixes) and Post-fader Aux Send 2 (for external outboard effects processors) with dedicated master level returns.
- Direct Channel Inserts for External Outboard Signal Processing: Provides 1/4-inch TRS insert jacks on all 8 mono channels, enabling direct connection of inline compressors, gates, and parametric EQs per channel pipeline.
- Flexible Monitoring & Master Routing Options: Features independent Master Stereo L/R outputs, Monitor L/R outputs, discrete Tape I/O (RCA), and a front-panel 1/4-inch stereo headphone output with dedicated master volume.
- Rugged 2U Enterprise Rackmount Form Factor: Compact, heavy-duty steel rack enclosure engineered for durable performance in mobile rack cases, radio broadcast consoles, and permanent studio installations.
The Alesis Studio 12R is a versatile 2U rackmount 12-channel analog mixer designed for live performance rigs, home recording studios, radio broadcast installations, and keyboard/drum sub-mixing applications. Combining 8 high-gain XLR microphone preamps with two dedicated stereo line inputs, the Studio 12R delivers a clean, low-noise signal path in a compact rack-mountable form factor.
Each of the 8 mono channels features balanced 1/4-inch and XLR inputs, dedicated channel insert points, input trim controls, peak level LEDs, and 2-band EQ controls. Dual auxiliary sends allow flexible signal routing to external effect processors and stage monitors, while global +48V phantom power supports studio condenser microphones. Equipped with an internal power supply, master fader control, and high-visibility 10-segment LED meters, the Alesis Studio 12R offers reliable pro-audio mixing capability in any rack setup.
Specifications| Attribute | Specification |
| Manufacturer | Alesis / InMusic Brands |
| Model / Series | Studio 12R / Studio Series |
| Part / MPN | Studio 12R / 12R |
| UPC / GTIN | 0694318007372 (Varies by revision) |
| Device Type | 12-Channel Rackmount Analog Mixing Console |
| Total Input Channels | 12 Channels (8 Mono Mic/Line + 2 Stereo Line Pairs) |
| Microphone Preamps | 8 x High-Gain Low-Noise Preamps (Female XLR) |
| Phantom Power | Global +48V DC Switchable |
| Channel EQ | 2-Band Shelving (High: 12 kHz, Low: 80 Hz) |
| Auxiliary Sends / Returns | 1 x Pre-Fader Aux, 1 x Post-Fader Aux, 1 x Stereo Aux Return |
| Channel Inserts | 8 x 1/4" TRS Direct Inserts (Channels 18) |
| Main Outputs | 2 x 1/4" TRS Balanced L/R, 2 x RCA Unbalanced L/R |
| Monitor & Tape I/O | 2 x 1/4" Monitor Out, 2 x RCA Tape In, 2 x RCA Tape Out |
| Frequency Response | 20 Hz 50 kHz (±0.5 dB) |
| Dynamic Range | >108 dB |
| Total Harmonic Distortion (THD+N) | < 0.005% (Mic/Line to L/R Master Out) |
| Metering | Dual 10-Segment LED Stereo Level Meters |
| Power Supply | Internal Auto-Ranging 120V AC / 240V AC Transformer |
| Form Factor | 2U Standard 19" Rackmount Chassis |
| Bare Unit Dimensions (WxDxH) | 19.0 in x 9.5 in x 3.5 in (48.3 cm x 24.1 cm x 8.9 cm) |
| Bare Unit Weight | ~8.5 lbs (3.9 kg) |
| Boxed Shipping Dimensions | ~22.0 in x 13.5 in x 6.5 in (55.9 cm x 34.3 cm x 16.5 cm) |
| Boxed Shipping Weight | ~11.5 lbs to 13.0 lbs (5.2 kg 5.9 kg) |
| Country of Origin | China / Taiwan |
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Warranty
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- Return for refund within: 30 days
- Return for replacement within: 60 days
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