Product Description
The Rolls RM67 is a top - notch single rack space mixer crafted for the install/contractor market. It effortlessly combines three balanced microphones with four stereo sources, delivering mono or stereo balanced outputs. The XLR microphone inputs come with Mic/Line level switches, a send/return Insert jack, and individually switchable +12 VDC phantom power. There's priority talkover with variable Duck Sensitivity on one microphone for paging and one source input for jukeboxes, telephone systems, etc. Each microphone input has level and tone controls, while each source input has a level control. Bass and Treble controls are provided for all sources, and a Master Output Level control adjusts the overall mixed signal level. Source One has an extra front - panel 3.5mm input. A pre - Master RCA output is available for recording, and a Remote Volume output jack can connect to a 100K ohm linear taper potentiometer for external master level control. Key features include three XLR mic inputs with switchable phantom power and input padding, clip LEDs for each mic input, a mute jack, master level control, a remote volume jack, stereo record out, priority ducking/talk - over, a mic insert jack, four stereo RCA line/consumer level inputs, and master Bass and Treble controls for sources only. Technical specs: Mic impedance is 600 Ohms XLR balanced, size is 19' x 1.75' x 6' (48.3 x 4.5 x 15 cm), noise floor is - 80 dB, THD <.025%, S/N Ratio is 96 dB, tone controls are +/-12 dB at 100 Hz Bass and +/-12 dB at 11kHz Treble, max gain is 60 dB for Mic and 26 dB for Source, output impedance is 51 Ohms, output level is +17 dBV max, phantom power is +12 VDC, and it has various connectors. Max input level is - 14 dBV +20 dB Line level for Mic, Mic Insert is 22K Ohms 1/4' TS unbal., Source is 22K Ohms gold - plated RCA, Line is 22K Ohms, and it weighs 5 lbs. (2.3 kg).
Using the Rolls RM67 mixer is quite straightforward. First, connect your microphones to the XLR inputs and your stereo sources to the RCA inputs. You can use the Mic/Line level switches on the XLR inputs to set the appropriate level. For microphones that need it, turn on the +12 VDC phantom power. Adjust the level and tone controls for each microphone and source input to get the sound you want. The Bass and Treble controls help you fine - tune the overall sound of the sources. Use the Master Output Level control to set the final output level. If you want to record, connect your recording device to the pre - Master RCA output. For external volume control, connect a 100K ohm linear taper potentiometer to the Remote Volume output jack. When using the priority talkover feature, make sure to set the Duck Sensitivity according to your needs. As for maintenance, keep the mixer in a clean and dry place. Regularly check the connections to ensure they are secure. Don't expose it to extreme temperatures or humidity. If you notice any issues, such as strange noises or malfunctioning controls, it's best to consult a professional technician.
