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Operating Instruction Manual
TOA MIXING CONSOLE
Model RX-7-164, RX-7-248, RX-7-328
TOA ELECTRIC CO., LTD.
KOBE, JAPAN
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Contents Precautions .................................................. 2 General Description ............................................ 3 Features ....................................................... 4 Specifications & Characteristics ............................... 6 Input & Output Specifications ................................ 7 Level Diagrams & Characteristics Diagrams .................... 8 IPM-7 (Input Module) ....................................... 9 GFM-7 (Group/Foldback Module)...
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Precautions 1. Power Supply Unit (RPS-7) The RPS-7 is separate from the console. If the power switch on the RPS-7 is turned "on" without a connection between the RPS-7 and the board using the accessory cable packed in the RPS-7, power is not supplied to the board. The power switch must be "on" after the connection is made. 2. Power Supply The RPS-7 is designed to operate on local AC (50/60Hz) mains, ±10%. 3. Fuse Replacement The front panel of the RPS-7 is provided with a fuse holder for the AC
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General Description TOA's RX-7 is a modular 16, 24 or 32 input channel, 4 group output, 4 to 8 program output mixing console. It is designed to meet a wide variety of requirements in professional sound reinforcement and recording applications. It is well designed to withstand the rigors of "on the road" use. Modular construction assures versatility in functions, reliability and serviceability. There are three "standard" models of RX-7 consoles. The RX-7-164 has 16 input channels, 4 group outputs
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Features INPUT MODULE 1. Phantom Power ON/OFF switch. 2. TRIM gain control offers extremely convenient operation when used in conjunction with INPUT LEVEL switch. 3. MID-EQ is peaking equalization, and its center frequency can be set by a continuously variable frequency control knob. 4. Two foldback control knobs for the 2 foldback busses. One is Pre-fader and the other is associated with the PRE-POST selector switch for additional effects. 5. Two echo control knobs for the 2 echo busses. One is
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PROGRAM MODULE 1. Group 1, 2, 3 and 4 controls pick up the signal from the four group out busses and assign them to the program output. The program output is therefore suitable for feeding the signal to the house sound system. 2. Program On/Off pushbutton determines whether the individual program output signal is to be fed to the rest of the sound system or other equipment. 3. Peak indicator for detecting overload condition. 4. Program channel mixed signal can be monitored through headphones by
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Specifications & Characteristics GENERAL SPECIFICATIONS RX-7-164, RX-7-248 AND RX-7-328 Frequency Response (Measurement of source impedance 150 VU Meters (0VU = +4dB* output) ohms) RX-7-164 +0dB, -0.5dB; 50Hz to 20kHz +0dB, -2.0dB; 20Hz to 30 kHz 4 large, illuminated meters; switchable for Group or Total Harmonic Distortion Program Less than 0.5% at +4dB* output at 1kHz 3 smaller, illuminated meters; switchable for 2 Foldback or 2 Echo and CUE or TB Hum and Noise (20Hz to 20kHz, input terminatio
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Input & Output Specifications RX-7 INPUT CHARACTERISTICS Actual For Use Input Level* Level Connection Load With Sensitivity* Connector** Switch Impedance Nominal Nominal MAX. Before Clip INPUT -60dBm 1.2k ohms 50 to 600 -80dB (0.08mV) -60dB (0.78mV) to -30dB (25mV) -26dB (39mV) to +4dB (1.23V) XLR-3-31 1—16, 1—24, -40dBm 1.7k ohms ohms mics or -60dB (0.78mV) -40dB (7.8mV) to -10dB (250mV) -6dB (390mV) to +24dB (12.3V) type or 1—32 -20dBm 1.7k ohms lines -40dB (7.8mV) -20dB (78mV) to +10dB (2.5
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Level Diagrams (Fig. 1) Characteristics Diagrams EQUALIZER CURVES FILTER CURVES (Fig. 2) — 8 —
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Input Module (IPM-7) 1. XLR type INPUT connector is balanced, transformer-isolated and accepts low impedance sources from -60dB to +10dB. Proper adjustment of both the INPUT LEVEL Switch and TRIM Knob make it possible to provide the optimum setting for each input. 2. GROUND (GND) LIFT Switch is for Pin 1, which makes it easy to avoid ground loops that are often caused in connection with other equipment and that may induce hum noise. Sliding the ground lift switch from the NORMAL position to the
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13. Echo knobs provide for two independent echo mixes. The No. 1 echo knob mixes the signal post-fader, but the No. 2 echo knob is associated with the Pre-Post fader selector switch. 14. PAN POT adjusts the relative output level (balance) to the four mixing busses. It is operated in conjunction with the group assign pushbuttons to put the desired level of output signal adjusted by the pan pot onto the mixing busses selected by the group assign pushbuttons. Any selection of the four group assign
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Group/Foldback Module (GFM-7) 1. AUX INPUT connector (XLR type) is balanced, transformer-isolated. The nominal level and impedance are +4dB and 600 ohms respectively. 2. GROUND (GND) LIFT switch is for pin 1, which is used to avoid ground loops that are often caused in connection with other equipment and that may induce hum. Sliding the ground lift switch from the NORMAL position to the LIFT position cuts ground loops and may reduce hum. For most applications it should be set to the NORMAL posit
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Group/Echo Module (GEM-7) 1. ECHO IN connector (XLR type) is balanced, transformer-isolated. The nominal level and impedance are +4dB and 600 ohms, respectively. 2. GROUND (GND) LIFT Switch is for pin 1, which is used to avoid ground loops that are often caused in connection with other equipment and that may induce hum. Sliding the ground lift switch from the NORMAL position to the LIFT position cuts ground loops and may reduce hum. For most applications it should be set to the NORMAL position.
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Program Module (PGM-7) Each program module incorporates two program output channels (programs A and B) and each program channel can be controlled independently. 1. PROGRAM OUTPUT B connector (XLR type) is balanced, transformer-isolated. The nominal level and impedance are +4dB and 600 ohms, respectively. The program output B signal is derived from one of the four group out busses. 2. GROUND (GND) LIFT switch is for pin 1, which is used to avoid ground loops that are often caused in connection wi
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Phones Module (PHM-7) 1. AIR MONITOR (Ceiling Microphone) inputs, XLR type connectors (L and R) are balanced, transformer-isolated. The nominal levels and impedances are —70dB and 600 ohms, respectively. 2. PHONES OUT jacks (L and R) are unbalanced. The nominal levels and impedances are +4dB and 10k ohms, respectively. The jacks provide the signals selected by the phones selector switches for monitoring on the front and can be connected to an amplifier and monitor speakers for use as a monitor s
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Talkback Module (TBM-7) 1. TALKBACK OUT connector (XLR type) is balanced, transformer-isolated, and its nominal level and impedance are +4dB and 600 ohms, respectively. The talkback output includes the oscillator/pink noise generator signal or talkback mic input, depending on the switch status on the module. The oscillator/pink noise generator function is used for matching input and output levels with other associated equipment, and the talkback function is for communication between a recording
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Power Supply Module (PSM-7) 1. DC POWER INPUT connector accepts DC power from the power supply unit (RPS-7). The PSM-7 is connected to the RPS-7 with an accessory umbilical cable. The power switch on the RPS-7 will not turn on without this connection between the RPS-7 and PSM-7. 2. Ground (GND) terminal for the chassis of the RX-7. 3. PHANTOM POWER MASTER switch applies 48V DC which is then supplied to Input modules and Phones module. (Fig. 10) — 16 —
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Meter Panel (RXM-7-25, RXM-7-35, RXM-7-43) METER PANEL (RXM-7-25) (Fig. 11) 1. Group I/Program 1 VU Meter An illuminated VU meter provides a visual indication of either Group 1 output level (Post Group 1 Master Fader) or Program 1 output level (Post Program 1 Master Control), depending on the position of the adjacent selection switch. 2. VU meter selector switch (Group 1 or Program 1) 3. Group 2/Program 2 VU Meter An illuminated VU meter provides a visual indication of either Group 2 output leve
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10. VU meter selector switch (Foldback 1 or Echo 1) 11. Foldback 2/Echo 2 VU meter An illuminated VU meter provides a visual indication of either Foldback 2 output level, (Post Foldback 2 Master Volume Control) or Echo 2 output level (Post Echo 2 Master Volume Control), depending on the position of the adjacent selector switch. 12. VU meter selector switch (Foldback 2 or Echo 2) 13. Cue/Talk back VU meter An illuminated VU meter provides a visual indication of either the Cue signal level (the si
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METER PANEL (RXM-7-35) (Fig. 12) 1. Group 1 VU Meter (Group 1 output level) 2. Group 2 VU Meter (Group 2 output level) 3. Group 3 VU Meter (Group 3 output level) 4. Group 4 VU Meter (Group 4 output level) 5. Program 1/Program 5 VU Meter An illuminated VU meter provides a visual indication of either Program 1 output level or Program 5 output level, depending on the position of the adjacent selector switch. 6. VU meter selector switch (Program 1 or Program 5) 7. Program 2/Program 6 VU Meter An ill
