General specifications
| Internal processing | 32bit (Accumulator=58bit) |
| Sampling frequency rate | Internal: 44.1kHz,48kHz External: 44.1kHz(-10%) to 48kHz(+6%) <M7CL-32/48> 44.1 kHz (-2.5%) to 48 kHz (+2.5%) <M7CL-48ES> |
| Signal delay | Less than 2.5ms (INPUT to OMNI OUT @48kHz) |
| Fader | 100mm motorized x62 (46) |
| Fader Resolution | +10 to -138, -∞dB (1024 steps/100 mm) |
| Maximum Voltage Gain | M7CL-32/48: 86 dB INPUT 1-48 to OMNI OUT M7CL-48ES: 86 dB OMNI IN 1-8 to OMNI OUT 1-8 |
| Total harmonic distortion Input Gain=Min. | CH INPUT to OMNI OUT Less than 0.05% 20Hz to 20kHz @+4dB into 600Ω |
| Frequency response | CH INPUT to OMNI OUT 0, +0.5,-1.5dB 20Hz to 20kHz @+4dB into 600Ω |
| Dynamic range (maximum level to noise level) | 110dB, DA Converter (OMNI OUT) 108dB, AD+DA (OMNI OUT) |
| Hum & noise level | -128dB, Equivalent input noise (20-20kHz, Rs=150ohms, Input Gain=Max) -84dB, Residual noise |
| Crosstalk(@1kHz) Input Gain=Min | -80dB, Adjacent input channels -80dB, Input to output |
| Power requirements | 110V-240V, 50/60Hz |
| Power consumption | M7CL-48ES: 150 W, M7CL-48: 300W, M7CL-32: 250W |
| Dimensions | M7CL-48ES/-48: 1274(W) x 286(H) x 701(D)mm M7CL-32: 1060(W) x 286(H) x 701(D)mm |
| Weight | M7CL-48ES: 46kg, M7CL-48: 50kg, M7CL-32: 42kg |
| Operation free-air Temperature Range | +10°C to +35 °C |
| Storage Temperature Range | -20°C to +60 °C |
| Included Accessories | Owner's Manual, Dust cover, Power cord, Cord clamp |
| Optional Accessories | Meter Bridge MBM7CL, Mini-YGDAI cards, Gooseneck Lamp LA1L Power Supply PW800W, Power Supply Link Cable PSL360 |
* Total harmonic distortion is measured with a 6dB/oct filter @80Hz
*
Hum & noise are measured with 6dB/oct filter @12.7kHz; equivalent to a 20kHz filterwith infinite dB/oct attenuation.
Analog input characteristics
| Input terminals | GAIN | Actual load impedance | For use with nominal | Input level | Connector | ||
|---|---|---|---|---|---|---|---|
| Sensitivity*¹ | Nominal | Max. before clip | |||||
| INPUT 1-48 (M7CL-48) INPUT 1-32 (M7CL-32) | -62dB +10dB | 3kΩ | 50-600Ω Mics & 600Ω Lines | -82dBu | -62dBu | -42dBu | XLR3-31 type*² |
| -10dBu | +10dBu | +30dBu | |||||
| ST IN 1-4 [L,R] (M7CL-32/48) OMNI IN 1-8 (M7CL-48ES) | -62dB +10dB | 3kΩ | 50-600Ω Mics & 600Ω Lines | -82dBu | -62dBu | -42dBu | XLR3-31 type*² |
| -10dBu | +10dBu | +30dBu | |||||
| TALKBACK | -60dB -16dB | 3kΩ | 50-600Ω Mics & 600Ω Lines | -70dBu -26dBu | -60dBu -16dBu | -40dBu +4dBu | XLR3-31 type*² |
*¹ Sensitivity is the lowest level that will produce an output of +4 dBu (1.23 V) or the nominal output level when the unit is set to maximum gain. (all faders and level controls are maximum position.)
*² XLR-3-31 type connectors with latch are balanced. (1=GND, 2=HOT, 3=COLD)
* In these specifications, 0 dBu = 0.775 Vrms.
* All input AD converters are 24bit linear, 128 times oversampling.
* +48V DC (phantom power) is supplied to INPUT (1-48 or 1-32), ST IN 1L-4R, OMNI IN 1-8 and TALKBACK XLR type connectors via each individual software controlled switches.
Analog output characteristics
| Output terminal | Actual source impedance | For use with nominal | GAIN SW*³ | Output level | Connector | |
|---|---|---|---|---|---|---|
| Nominal | Max. before clip | |||||
| OMNI OUT 1-16 (M7CL-32/48) OMNI OUT 1-8 (M7CL-48ES) | 75Ω | 600Ω Lines | +24dB | +4dBu | +24dBu | XLR-3-32 type*¹ |
| +18dB | -2dBu | +18dBu | ||||
| PHONES | 15Ω | 8Ω Phones | - | 75mW* | 150mW | ST Phone jack*² |
| 40Ω Phones | 65mW* | 150mW | ||||
*¹ XLR-3-32 type connectors are balanced. (1=GND, 2=HOT, 3=COLD)
*² PHONES stereo phone jack is unbalanced. (Tip=LEFT, Ring=RIGHT, Sleeve=GND)
*³ There are switches inside the body to preset the maximum output level.
* The position of the level control is 10 dB lowered from Max.
* In these specifications, 0 dBu = 0.775 Vrms.
* All output DA converters are 24 bit, 128 times oversampling.
Digital I/O characteristics
| Terminal | Format | Data length | Level | Audio | Connector | |
|---|---|---|---|---|---|---|
| 2TR OUT DIGITAL*¹ | AES/EBU | AES/EBU Professional Use*¹ | 24bit | RS422 | - | XLR3-32 type (Balanced)*² |
| EtherSound (M7CL-48ES) | EtherSound | 24bit | 100Base-TX | 48ch Input/24ch Output @48kHz | etherCON CAT5*³ | |
*¹ The channel status of 2TR OUT DIGITAL is described on page 294.
*² XLR-3-32 type connectors are balanced. (1=GND, 2=HOT, 3=COLD)
*³ IN, OUT
Control I/O characteristics
| Terminal | Format | Level | Connector | |
|---|---|---|---|---|
| NETWORK | IEEE802.3 | - | RJ-45 | |
| 3rd Port (M7CL-48ES) | ||||
| MIDI | IN | MIDI | - | DIN-5pin |
| OUT | MIDI | - | DIN-5pin | |
| WORD CLOCK | IN | - | TTL/75Ω | BNC |
| OUT | - | TTL/75Ω | BNC | |
| REMOTE (M7CL-32/48) | - | RS422 | D-sub 9pin(male) | |
| LAMP 1(32ch), 2(48ch) | - | 0V-12V | XLR-4-31 type*¹ | |
| USB HOST | USB1.1 | - | A type USB Connector | |
*¹ 4pin=HOT, 3pin=COLD, Lamp rating 5 W, Voltage control by software
