User manual AUDIO TELEX TX8000-2

[. . . ] Each input channel has individual gain. trirn 50F{z bass or 110 VAC 60 & treble controls. Factory preset is 2. 10 VAC. , 4, t, Ur' 0crtt0 roi'l6t i6i'i6i /o) , 4, "Li , 2\, "(r, ' "(J; , 5t r/\r !r"rrC t'O) i6i'r6i 7d'7d r6i'i6i 7d'rd rd rAl ir)i . 3r !crrt0 io ro) ;AI ', Li t-+{: EryF E TXEOOO Gain : The 8 input channels are labelled Chl . . Ch8 and should be adjusred to provide the required mix level for each individual channel. Start with the controls set to Level 0 and turn the controls clockwise untit the desired mix level for each channel is reached. [. . . ] Rocking this switch upwards turns on AC power to the mixer whilst rocking the switch downwards turns power o{f to the mixer. the red neon in the body of the switch will glow. 7. Headphone Output A l/-1" RTS stereo socket is providcd for thc connection of monitor headphones. The output level to the headphones is a nominal 3. 5 r, olts @ 600 ohms and is connected before the master output level controls so adjusting the ouput level controls rvill not effect the headphone output ler. el. Power Switch: The switch marked "Power" hrns AC mains power'On' and 'Off to the TX8000-2. Rocking the switch in to the 'Up' position turns AC power on to the TX8000-2. If the TX8000-2 is connected to a 24 volt DC supply, this switch will not effect the operation of the TX8000-2 from the DC supply. If both AC and DC are connected then the TX8000-2 will continue to operate normally when this switch is turned 'Off. The DC supply needs to be disconnected from the rear panel to completely 'turn off the TX8000-2. Rear Panel Socket: 8. Features ofthe rear panel are as follows: L Pin IEC AC Power The operaring voltage is 240 VAC @ 50 tlzor ll0 VAC @ 60 tlz. The AC power voltage level is not externally user adjustable but is factory pre-set. The inlet is equipped with an inbuilt AC fuse holder ptease ensure that the mains power cord is disconnected fitted with a I Amp fuse plus a spare. Power consumption is 5 VA before attempting to check or replace this fuse. 3 ilains lnlet: I ') Access Port: This port is to allow for external cable egress for accessories such as the ATC5488 the generator. 3, 24 Volt DC Power Supply Connection: oc connection is via this 2. lmm socket with + (hieh) on the centre pin and - (low) on the outer pin. When DC is connected to these terminals the TX8000-2 will continue to opemte regardless of the position of the AC power switch on the front panel. To turn off DC power to the TX8000-2, remor the connecting cables from these two posts. The maximum DC current drain is 350 mA 4. Master Output Connection: ohms. The pin connections:re, pin #l-eart[ pin #2-active This is an active balanced )(LR connection with a nominal level of 1. 5 volts (high, +); pin #3-active (low, -). @ 600 s. Dual RCA Sockets For Output To A Tape Recorderr Nominal T00mv @ loK ohms. The rape output is summed to mono and is connected before the master output level control so the tape output level is not affected by adjustments to the master output level control. 6. Active Balanced, XLR Sockets For The Microphone lnputs: withaninputsensitivityof 0. 6mV@ 200 ohms (see the 'Other lnternal Adjustrnents' section on the last page of this manual for details about the trim level control available for each channel). [. . . ] The ATC5488 is connected as per the comprehensive instructions zupplied with the ATC5488. Please contact your supplier for pricing and delivery information for all ofthe optional accessories described above. Other I nternal Adiustments The fotlowing adjustments involve access to the inside of the TX8000-2. Always turn off the AC power and remove the AC power cord before attempting to access the inside of the TX8000-2 g Phantom Power This 3 pin link is located on the output board directly behind the Mic #8 XLR socket on the rear panel. The default setting is with the link in the 'on' positio4 shorting the centre pin and the pin closest to the rear of the TX8000-2. To turn phantom power ofl move the link to short the centre pin and the pin closest to the front of the TX8000-2. Defeat: lnput Sensitivity Adjustment: These trim pots arc located inside the TX8000-2 on the input circuit board at the rear of the mixer and are labelled R* 1-R*8 to indicate channels 1-8 respectively. [. . . ]