The Turbosound Milan Series is a range of powered loudspeakers and subwoofers designed for professional audio applications. This Quickstart Guide covers the M10, M12, M15, M15B, and M18B models, offering detailed information on their functions, technical specifications, usage, and maintenance.
Function Description
The Milan Series loudspeakers are designed to provide high-quality audio with excellent pattern control, superior audio quality, proven reliability, and comprehensive warranty. They are suitable for various applications, including PA systems, floor monitors, and installations.
The M10, M12, and M15 are full-range powered loudspeakers, each featuring a two-channel mixer with combo XLR/jack inputs for microphones, instruments, and line-level sources. They include a Mix Out for connecting additional Milan loudspeakers, a 100 Hz Low Cut switch for use with subwoofers or as floor monitors, and a Program switch to optimize frequency response for either voices (Speech) or mixed music program material (Music). Tone controls (Bass and Treble) allow for fine-tuning the sound.
The M15B and M18B are powered subwoofers, designed to extend the low-frequency response of a Milan system. They feature two combo XLR/jack inputs for connection to a mixing console, and two XLR Thru outputs for routing full-range audio signals to Milan two-way loudspeakers or additional Milan subwoofers. Key controls include a Level control, a Polarity switch to optimize phase alignment with mid/high loudspeakers, and a Boost switch with a variable Boost Frequency control to enhance bass response.
Important Technical Specifications
Milan M10, M12, M15 Loudspeakers:
- Components:
- M10: 1 x 10" LF driver, 1 x 1" HF driver
- M12: 1 x 12" LF driver, 1 x 1" HF driver
- M15: 1 x 15" LF driver, 1 x 1" HF driver
- Connectors: Mic/Line input (combo jack/female XLR, pin 2 hot), Mix out (male XLR, pin 2 hot), IEC mains connector with integrated fuseholder.
- Frequency Range:
- M10: 55 Hz-18 kHz ±3 dB, 50 Hz-20 kHz -10 dB
- M12: 50 Hz-18 kHz ±3 dB, 45 Hz-20 kHz -10 dB
- M15: 45 Hz-18 kHz ±3 dB, 40 Hz-20 kHz -10 dB
- Dispersion @-6 dB pts: 90° H x 60° V (all models)
- Max SPL (continuous): M10: 119.5 dB, M12: 121 dB, M15: 123 dB
- Equalisation: Bass: ±6 dB @ 80 Hz; Treble: ±6 dB @ 12 kHz
- Max Output Power (LF/HF Driver):
- M10, M12, M15: LF: 500 W, HF: 100 W
- Input Sensitivity: Mic: -32 dBu; Line: -2 dBu
- Input Impedance: Mic: 560 Ω unbalanced, 1 kΩ balanced; Line: 20 kΩ unbalanced, 40 kΩ balanced
- Power Supply:
- USA/Canada: 100-120 V~, T 6.3 A H 250 V (M10), T 8.0 A H 250 V (M12, M15)
- UK/Australia/Europe: 220-240 V~, T 3.15 A H 250 V (M10), T 4.0 A H 250 V (M12, M15)
- China: 220-240 V~, T 3.15 A H 250 V (M10), T 4.0 A H 250 V (M12, M15)
- Japan: 100-120 V~, T 6.3 A H 250 V (M10), T 8.0 A H 250 V (M12, M15)
- Power Consumption @ 1/8 max power: M10: 80 W, M12: 140 W, M15: 140 W
- Rigging Options: 6 x M10 threaded internal rigging points
- Construction: Injection-moulded polypropylene enclosure, recessed carrying handles, integral dual-angle pole mount socket, powder coated galvanised perforated steel mesh grille with foam backing.
- Dimensions (H x W x D):
- M10: 522 x 329 x 294 mm (20.6 x 13 x 11.6")
- M12: 620 x 394 x 330 mm (24.4 x 15.5 x 13")
- M15: 719 x 457 x 368 mm (28.3 x 18 x 14.5")
- Net Weight: M10: 13.3 kg (29.3 lbs), M12: 20.5 kg (45.1 lbs), M15: 27.7 kg (60.9 lbs)
Milan M15B, M18B Subwoofers:
- Components:
- M15B: 1 x 15" LF driver
- M18B: 1 x 18" LF driver
- Connectors: Input (2 x female XLR, pin 2 hot), Thru (2 x male XLR, pin 2 hot), IEC mains connector with integrated fuseholder.
- Frequency Range:
- M15B: 45 Hz-100 Hz ±3 dB, 35 Hz-150 Hz -10 dB
- M18B: 40 Hz-100 Hz ±3 dB, 30 Hz-150 Hz -10 dB
- Max SPL (continuous): 127.5 dB (half space) (both models)
- Boost Frequency: +3 dB @ 40 Hz-90 Hz, Q=1
- Max Output Power (LF/HF Driver): 2200 W (both models)
- Input Sensitivity: +4 dBu @ centre position for full rated power
- Input Impedance: 10 kΩ unbalanced, 20 kΩ balanced
- Power Supply:
- USA/Canada: 100-120 V~, T 12 A H 250 V
- UK/Australia/Europe: 220-240 V~, T 6.3 A H 250 V
- China: 220-240 V~, T 6.3 A H 250 V
- Japan: 100-120 V~, T 12 A H 250 V
- Power Consumption @ 1/8 max power: 280 W (both models)
- Rigging Options: N/A
- Construction: Birch plywood, screwed and glued.
- Dimensions (H x W x D):
- M15B: 495 x 530 x 480 mm (19.5 x 20.9 x 18.9")
- M18B: 590 x 640 x 530 mm (23.2 x 25.2 x 20.9")
- Net Weight: M15B: 37 kg (81.4 lbs), M18B: 48 kg (105.6 lbs)
Usage Features
Milan M10, M12, M15 Loudspeakers:
- Integrated Mixer: Two-channel mixer allows simultaneous use of two low impedance dynamic microphones, a microphone and a line level source, or two line level sources.
- Flexible Inputs: Combo XLR/jack connectors accept both XLR and 1/4" jack plugs for balanced or unbalanced sources.
- Mix Out: Balanced line level XLR output for connecting additional powered Milan loudspeakers, carrying a post-EQ mix of all connected sources.
- 100 Hz Low Cut Switch: Engages a fourth-order low cut filter at 100 Hz, useful for floor monitoring or when used with subwoofers to avoid boominess and allow bass frequencies to be routed to sub-bass speakers.
- Program Switch: Selects between "Speech" (optimized for voices) and "Music" (optimized for mixed music program material) frequency response contours.
- Tone Controls (Bass & Treble): Provide ±6 dB of shelving at 80 Hz (Bass) and 12 kHz (Treble) for sound shaping.
- Level Control: Rotary control to adjust the input signal level of connected instruments/line sources.
- Mic/Line Switch: Selects input impedance and gain for each channel (low level, low impedance microphone or high level, high impedance source). Note: Not suitable for condenser microphones that require phantom power.
- Indicators:
- Power On Indicator (Blue LED): Illuminates when mains power is applied.
- Signal Indicator (Green LED): Illuminates when signal level reaches -6 dB.
- Limit Indicator (Red LED): Illuminates when the system limiting starts working. Occasional flashing is normal; prolonged illumination indicates excessive input signal.
- Front LED Status: The illuminated front badge can be toggled permanently on, permanently off, or to indicate limiting circuits.
- Loudspeaker Placement: Can be used on speaker stands, on top of subwoofers, or wall-mounted using the PB-55 pole mount wall bracket. Dual-angle pole holder allows for downward angling. For optimal sound, place loudspeakers in front of microphones and raise them above audience head level.
Milan M15B, M18B Subwoofers:
- Dedicated Low-Frequency Extension: Designed to provide powerful bass reinforcement for Milan full-range loudspeakers.
- Thru Connections: Independent full-range audio signals from each input channel are provided on balanced male XLR connectors for loop-through connections to Milan two-way loudspeakers or additional Milan subwoofers.
- Polarity Switch: Reverses the polarity of the subwoofer relative to the two-way Milan loudspeakers, allowing for optimal phase alignment and subjective integration, especially when loudspeakers are not physically in line.
- Boost Switch & Boost Freq Control: Provides +3 dB of bass lift centered at a user-selectable frequency from 40 Hz to 90 Hz.
- Level Control: Rotary control to adjust the input signal level and balance with mid/high loudspeakers.
- Indicators:
- Power On Indicator (Blue LED): Illuminates when mains power is applied.
- Signal Indicator (Green LED): Illuminates when signal is present.
- Limit Indicator (Red LED): Flashes red when system limiting occurs; prolonged illumination indicates excessive input signal.
Maintenance Features
- Fuseholder: Integrated with the IEC mains connector; faulty fuses must be replaced with the same type and rating.
- Qualified Personnel Servicing: All servicing is to be performed by qualified service personnel. Do not remove covers or attempt internal repairs.
- Cleaning: Clean only with a dry cloth.
- Rigging Points (M10, M12, M15): M10 threaded internal rigging points for permanent installation using load-rated shoulder eyebolts. Installation must be performed by qualified and certified personnel, adhering to all local safety regulations.
- Troubleshooting Guide: Provides a table of common faults, checks, and actions to resolve issues such as no power, no sound, distorted sound, exaggerated bass, or hum/noise.
- Circuit Protection: Full short circuit, open circuit, thermal protection for M10/M12/M15 loudspeakers. Full short circuit, thermal, overcurrent, DC protection for M15B/M18B subwoofers.
- Warranty: Refer to MUSIC Group's Limited Warranty for applicable terms and conditions. Online registration is recommended for faster processing of repair claims.
- FCC Compliance: The devices comply with FCC rules for Class B digital devices, with instructions for minimizing interference.
- Safety Instructions: Comprehensive safety instructions are provided, including warnings against electric shock, fire, and improper handling. Emphasizes the use of high-quality speaker cables, protection of power cords, and use of manufacturer-specified attachments.
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