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User’s Manual
MIX 301
3-channel Audio Mixer
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Precautions Safety Instructions • English Warning Power sources � This equipment should be operated only from the power source This symbol is intended to alert the user of important Extron’s Warranty indicated on the product. This equipment is intended to be used with a main operating and maintenance (servicing) instructions power system with a grounded (neutral) conductor. The third (grounding) pin is in the literature provided with the equipment. a safety feature, do not attempt to bypass or d
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FCC Class A Notice This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communicati
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Table of Contents, cont’d Product Name Table of Contents
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Introduction ™ The MIX 301 is a three-input, one-output VersaTools line level audio mixer. The MIX 301’s features include the following: � Recessed trim potentiometers on the front panel for individual input gain adjustments (from mute to +20 dB) � Compact 1U, one-eighth rack, VersaTools metal enclosure � Power indicators on both front and back panels � Several mounting options, including rack mounting in an Extron VersaTools or standard 1U rack shelf � Three mono, balanced or unbalanced audio
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Installation and Operation, cont’d Installation and Operation Mounting the MIX 301 The MIX 301 can be set on a table, mounted on a rack shelf, mounted on the back of the rack, mounted under a desk or table, or installed on a projector mount. Tabletop use The MIX 301 comes with four, self-adhesive rubber feet (not attached). Follow these instructions for a tabletop installation: 1. Attach the rubber feet to the underside of the MIX 301 near the corners of the unit. 2. Place the MIX 301 unit in t
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DISTRIBUTION AMPLIFIER Rack installation The MIX 301 can be rack mounted using either the RSF 123 VersaTools 19" 1U rack shelf (Extron part #60-190-20), the RSB 123 basic VersaTools rack shelf (Extron part #60-604-20), an RSU 129 standard universal 1U rack shelf (Extron part #60-190-01), or an RSB 129 1U basic rack shelf (Extron part #60-604-01). Figure 1 shows the VersaTools rack shelf, and figure 2 shows a standard rack shelf. On the standard rack shelf, there are eight mounting locations at
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MDA SERIES DISTRIBUTION AMPLIFIER DISTRIBUTION AMPLIFIER IPA T IPA IPA T IPA Installation and Operation, cont’d Figure 2 — Mounting the MIX 301 on a standard 1U rack shelf Back of the rack installation The MIX 301 can be conveniently mounted on the rear of a rack by using the Extron MBB 100 back of the rack mounting kit (Extron part #70-367-01). The back of the rack mounting kit allows the MIX 301 to be vertically positioned. 1. Attach the two back of the rack mounting brackets to the sides of
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BUC 102 BAL/UNBAL INPUTS AUDIO BAL/UNBAL CONVERTER L R POWER 12V SPARE BAL 0.2A MAX L R ON 1 2 BAL/UNBAL OUTPUTS UNBAL MAV SERIES INPUTS OUTPUTS AV MATRIX SWITCHER 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 ENTER PRESET I/O IR VID +dB AUD -dB AUDIO SETUP L R Furniture/Projector mounting Use the optional MBU 123 mounting kit (furniture, part #70-212-01, or the PMK 100 projector pole mount kit, part #70-217-01) to mount the MIX 301, as follows. Furniture mounting 1. Remove the rubber feet if they were previo
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Installation and Operation, cont’d a. Hold the unit against the underside of the table or other furniture, and mark the locations for four screws (two screws per bracket) on the mounting surface. b. At each mark, drill a 3/32" (2 mm) diameter pilot hole approximately 1/4" (6 mm) deep in the mounting surface. c. Insert #8 wood screws into the four pilot holes. Tighten each screw into the mounting surface until just less than 1/4" (6 mm) of the screw protrudes. d. Align the bracket slots with the
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Rear Panel Features and Cabling 3 5 MIX 301 IN 1 IN 3 3 CHANNEL MIXER IN 2 MIX OUT 1 12V 0.5a MAX 2 4 6 Figure 3 — MIX 301 rear panel 1 Captive screw power input connector — Connect the included 12 VDC external power supply into the 2-pole 3.5 mm captive screw connector. Be careful to observe the correct polarity. Smooth Ridges 3 5 Tie Wrap SECTION A–A Captive Screw Power Supply Connector Output Cord When connecting the power supply, voltage CAUTION polarity is extremely important. Ap
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Installation and Operation, cont’d The blue connector does not have the extended tail or the included tie-wrap. Do not tin the power supply leads before installing in the direct insertion connector. Tinned wires are not as secure in the connectors and could be pulled out. After making any adjustments to the MIX 301, either via the front panel controls, SIS commands, or the Extron Audio Products Control Program, wait at least 10 seconds after making those changes before disconnecting power to t
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Do not tin the connector leads before installing them in the connector. Tinned wires are not as secure in the connectors and could be pulled out. For further wiring details, see the included “Cable Preparation For Audio Connections” card. CAUTION For unbalanced audio, connect the sleeve(s) to the ground. DO NOT connect the sleeve to the negative (-) contact. Tip Tip NO GROUND HERE Ring Sleeve Sleeve Balanced Output Unbalanced Output MIX 301 � Installation and Operation 9
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Installation and Operation, cont’d Front Panel Features 12 3 MTP SERIES 1 1 2 3 4 Figure 4 — MIX 301 front panel Power LED — Lights green to indicate that the MIX 301 1 has power. Input channel audio gain controls — Adjusts the audio 2 3 4 input gain for each input. The gain is adjusted by rotating the screw and the adjustment range is from mute (fully counterclockwise) to +20 dB (fully clockwise). See the note below. Unity gain (0 dB) for each input channel is around the 12 o’clock (v
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Reference Information Specifications Audio Gain ................................................ Adjustable per input. When all three gain potentiometers are set to 12 o’clock, the gain is as follows: Unbalanced output: -6 dB Balanced output: 0 dB Frequency response .................... 20 Hz to 20 kHz, ±0.05 dB THD + Noise ................................. 0.05% @ 1 kHz at nominal level S/N ................................................ >90 dB, balanced, at maximum output (unweighted) CMRR .
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Reference Information, cont’d Temperature/humidity .............. Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing Rack mount .................................. Yes, with optional 1U rack shelf, part ® #60-190-01 or 60-604-01; or VersaTools rack shelf, part #60-190-20 or 60-604-20; or the Back of the Rack Mounting Kit #70-367-01. Also furniture mountable with Under- desk Mounting Kit, part #70-212-01, or attac
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Parts List Included parts Included Part number parts to reorder MIX 301 60-737-01 Power supply: universal 12 VDC, 1.0 A 70-055-01 3.5 mm captive screw connectors, 3-pole (x4) 10-319-13 3.5 mm captive screw connector, 2-pole Tweeker (small screwdriver) Rubber feet (unattached) User’s manual Optional Accessories Accessories Part numbers MBB 100 back of the rack mounting kit 70-367-01 RSF 123 1U 19" VersaTools rack shelf kit 60-190-20 RSB 123 Basic VersaTools rack shelf 60-604-20 RSU 129 1U 19" rac
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Table of Contents, cont’d Product Name Table of Contents
