Quest Commercial STM2Z: 2-Zones Rack Mount Strip Mixer

About the Quest Commercial STM2Z: 2-Zones Rack Mount  Strip Mixer

The STM2Z is a simple but versatile preamplifier, offering a multi function solution for installations where multiple voice and music sources need to be mixed to 2-output-Zones.  The stereo design through 10 inputs allows connection for any type of audio source such as microphones, Bluetooth devices and various balanced or unbalanced line level audio sources.

Channel 1 - 4 are balanced inputs, allowing connection of microphone and line level audio sources.  Channel 1 features line / microphone, phantom power and talk over for priority announcement and approximately channel 2- 4 features line / microphone and phantom power.  The other inputs are 3 unbalanced stereo line inputs allowing connection of any line level audio sources.

An integrated Bluetooth receiver offers convenient wireless connection possibilities for mobile and portable devices including laptops, smartphones and tablets.

A front panel 3.5 mm jack allows monitoring mono or stereo input signal through monitor level dial.

2-master volume controls for the outputs of mono (1) and stereo (2- / stereo) including signal and peak LED is located on the front panel, also accommodating each input mixing dial.

Features:

• Designed for the most common commercial installation requirements
• Ideal for background music, microphones, and paging through the ability to connect up to 10 external sources
• Front panel controls to easily manage source and master volumes for both the stereo and mono outputs
• 4 balanced microphone / line each through switchable phantom power
• Paging priority on channel 1
• 3 stereo line inputs including Bluetooth
• Stereo and mono outputs through independent rear panel EQ controls
• Dedicated monitor control through balanced and record out
• Stereo outputs through additional trim control for a total of 3 discrete mono-Zones
• Euro / phoenix connectors for quick trouble free hookup
• 1 U, Rack Mounted, universal PSU including removable IEC cord

Specifications:

Inputs:

• Microphone: approximately 1 - 4
• Type: balanced
• Connector: 3 pins terminal block
• Sensitivity: - 56 dB
• Other: phantom power (15 VDC); priority on microphone 1

Line (approximately 1 -4):

• Type: balanced
• Connector: 3 pins terminal block
• Sensitivity: - 18 dB
• Other: priority on line 1
• Approximately CH 5 / 6 - 9 / 10 
• Type: unbalanced stereo
• Connector: female RCA
• Sensitivity: - 22 dB

Outputs (stereo):

• Type: balanced
• Connector: 3 pins terminal block
• Other: 2 bands EQ

Mono:

• Type: balanced
• Connector: 3 pins terminal block
• Other: 2 bands EQ

Monitor:

• Type: balanced
• Connector: 3 pins terminal block

Record:

• Type: unbalanced
• Connector: female RCA
• Frequency response: approximately 20 hz - 20 kHz
• Signal to noise ratio: > 90 dB
• Total harmonic distortion + noise: < 0.1 %
• Cross talk: > 70 dB
• Indicators
• Power
• Input and output signal, peak
  
• Power supply type: switching mode, approximately 100 - 240 VAC
• Power consumption: 12 W
• Dimensions: 1 RU - 19 x 1.8 x 5.5” (483 x 44 x 139 mm)
• Weight: 5.7 lbs (2.6 kg)