32
Appendices
Main Specifications
* 0dBu: 0.775Vrms * In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.
* The M-48’s specifications were measured in connection with below mentioned devices.
Input Unit: S-1608, Splitter & Power Distributor: S-4000D, S-1608 Input Sens: +4 dBu,
The specifications were measured when Ch1 to Ch16 of S-1608 were assigned as group 1 to 16 of M-48.
Number of Input Channels
43 (40 in, STEREO AUX in, 1 AMBIENT MIC in)
Number of Output Channels
4 (STEREO LINE out, STEREO PHONES out)
AD/DA Conversion
Sample Rate: 96.0kHz or 48.0 kHz or 44.1 kHz
Signal Processing: 24 bits
* The sampling frequency of M-48 to be set automatically according to it of the REAC Master device.
Frequency Response
PHONES jack (1,2): -4 dB / +0 dB (40 ohms load, PHONES ATT max, 150 mW)
LINE OUT L/R jacks: -2 dB / +0 dB (20k ohms load, -6 dBu)
* Sample Rate: 96.0 kHz * Input: S-1608 Input (Input sens: +4 dBu, 20 Hz to 20 kHz)
Residual Noise Level (PHONES
ATT: Center, IHF-A, typ.)
-88 dBu (All Knobs: Min)
-87 dBu (PHONES Vol: Unity, AUX IN Vol: Max, Group control knob 1 to 16: Min)
-86 dBu (PHONES Vol: Unity, AUX IN Vol: Min, Group control knob 1 to 16: Unity)
-72 dBu (PHONES Vol: Max, AUX IN Vol: Max, Group control knob 1 to 16: Max)
* Input 150 ohms terminate * Output Connector: PHONES jack * Sample Rate: 96.0 kHz * S-1608 Input Sens: +4 dBu
Nominal Input Level
AUX IN L/R jack: -16 dBu (Vol: Max)
Input Impedance
AUX IN L/R jack: 10 K ohms
Non Clip Maximum Input level
AUX IN L/R jack: +2 dBu
Nominal Output Level
LINE OUT L/R jacks: -6 dBu (LINE OUT Vol: Unity, Load impedance: 10 k ohms)
LINE OUT REC L/R jack: -12 dBu (LINE OUT Vol: Unity, Load impedance: 10 k ohms)
Output Impedance
PHONES jacks (1, 2): 10 ohms
LINE OUT L/R jacks: 600 ohms
LINE OUT REC L/R jack: 1 k ohms
Recommended Load Impedance
PHONES jacks (1, 2): 16 ohms or greater (Composition impedance of 1 and 2)
LINE OUT L/R jacks: 10 k ohms or greater
LINE OUT REC L/R jack: 10 k ohms or greater
Non Clip Maximum Output level
PHONES jacks (1, 2): 250 mW + 250 mW (1 or 2, 1 kHz, 40 ohms load)
LINE OUT L/R jacks: +12 dBu (1 kHz, 10 k ohms load)
LINE OUT REC L/R jack: +6 dBu (1 kHz, 10 k ohms load)
Connectors
REAC port: RJ-45 EtherCon type
AUX IN L/R jack: Stereo miniature phone type
LINE OUT L/R jacks: 1/4 inch TRS phone type
LINE OUT REC L/R jack: Stereo miniature phone type
PHONES jacks: Stereo miniature phone type and Stereo 1/4 inch phone type
Power Supply
DC +48 V (It is supplied by S-4000D.)
Power Consumption
13 W
Dimensions
297.0 (W) x 171.0 (D) x 67.0 (H) mm
11-3/4 (W) x 6-3/4 (D) x 2-11/16 (H) inches
Weight
1.5kg / 3 lbs 5 oz (M-48)
0.6kg / 1 lb 6 oz (Mounting bracket and bracket tray)
Operation Temperature
0 to +40 degrees Celsius
+32 to +104 degrees Fahrenheit
Accessories (Included)
Mounting bracket/bracket tray x 1, Mounting bracket attachment kit (Wing nut: for 3/8 inch screw x 1,
Washers: for 3/8 inch screw x 2, Nut: for 5/8 inch screw x 1, Rubber washer x 1, Screws for fastening the M-48 x 2),
Screws for attaching the APC-33 all purpose clamp x 4, Ferrite core x 1, REAC connector cover x 1, Owner’s Manual
Options
Live mixing console: M-400, Stage unit: S-1608, Stage unit: S-4000S, FOH unit: S-0816, FOH unit: S-4000H,
Splitter & power distributor: S-4000D, Cat5e Ethernet crossover cable with Neutrik® EtherCon® plug: SC-W20F (20 m),
Cat5e Ethernet crossover cable with Neutrik® EtherCon® plug: SC-W100S (100 m), Cat5e Ethernet crossover cable with Neutrik® EtherCon®
plug and reel: W100S-R (100 m), In-Ear monitor: RH-PM5, All purpose clamp: APC-33
Dimensions
67
297
171
* Dimensions are shown in millimeters.
M-48_e.book 32 ページ ２００９年２月２４日 火曜日 午前９時３３分
