Studio Technologies Model 230 Announcers Console

ITEM #: STCH-M230 MFG #: M230

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M230 - Overview

The Studio Tech Model 230 Announcer's Console is designed to serve as the audio control "hub" for announcers, commentators, and production personnel. The tabletop unit is suited for numerous applications including on-air television and radio broadcasting. The Model 230 is compatible with essentially all broadcast and production audio system environments. Standard connectors are used to interface microphone, headphone, on-air, talkback, IFB, and party-line intercom signals.

  • Features:

    • Microphone preamp with selectable gain and 48 V phantom power
    • Two line-level inputs
    • Broadcast IFB input
    • Three pushbutton switches offer programmable "click-free" audio path control
    • Transformer-balanced main output
    • Line-level talkback output
    • Dual-channel intercom interface with "auto-terminate"
    • Stereo headphone monitoring of selectable sources
    • Two rotary headphone output level controls
    • Microcontroller-directed audio routing
    • Auxiliary relay contacts
    • Powered by intercom, IFB, or by external DC source
    • All configuration switches and trim potentiometers accessible via the bottom of the enclosure
     
  • Specifications:

    • General Audio (Mic In-to-Main Output):
    • Frequency Response: 10 Hz-20 kHz, ±0.2 dB, mic in/main out
    • Distortion (THD+N): 0.008%, measured at 1 kHz, mic in/main out
    • S/N Ratio: 86 dB, referenced to -42 dBu mic in/-2 dBu main out
    • Dynamic Range (A-weighted): 108 dB

      Connectors:
    • Mic In, Line In 1 & 2, IFB In, Intercom Interface: 3-pin female XLR
    • Main Out, Talkback Out: 3-pin male XLR
    • Headphone Out: 1/4-inch 3-conductor phone jack
    • 24 Vdc Power In: 2.1 x 5.5 mm coaxial power jack with locking bushing, compatible with
      Switchcraft S760K plug

      Spare Connector Locations: 3
    • Allows up to three Neutrik NC*D-L-1 connectors to be installed (*=3F, 3M, 5F, 5M, 6F, 6FS, etc.)

      Microphone Input/Preamplifier:
    • Type: electronically balanced
    • Input Impedance: 2 k ohms
    • CMRR: >80 dB, 20 Hz-20 kHz, 40 dB gain
    • Gain Range: 20 to 60 dB, nominal, adjustable in 10 dB steps; 0 dB (no gain) also available
    • Compatibility: dynamic or phantom-powered mics
    • Phantom Power: 48 Vdc, nominal, meets IEC 61938 P48 standard

      Compressor:
    • Threshold: 2 dB above nominal level
    • Attack/Release Time: 2 mSec/100 mSec
    • Slope: 5:1
    • Status LED: compressor active

      Line Inputs: 2
    • Type: balanced, transformer-coupled
    • Impedance: 10 k ohms
    • Nominal Level: -12 dBV to +6 dBu, adjustable

      IFB Input:
    • Type: 2-channel, unbalanced (pin 1 common; pin 2 DC with channel 1 audio; pin 3 channel 2 audio)
    • Impedance: 10 k ohms
    • Nominal Level: -10 dBu

      Intercom Interface:
    • Type: 2-channel, unbalanced (pin 1 common; pin 2 DC with channel 1 audio; pin 3 channel 2 audio)
    • Compatibility: single- and dual-channel intercom systems such as from RTST and Clear-Comr
    • Impedance: 10 k ohms
    • Nominal Receive Level: -10 dBu
    • Nominal Talkback Level: -10 dBu
    • Sidetone: 0 to -18 dB, adjustable

      Main Output:
    • Type: balanced, transformer-coupled
    • Nominal Level: -2 dBu
    • Maximum Level: +20 dBu into 2 k ohms
    • Impedance: 100 ohms

      Line-Level Talkback Output:
    • Type: transformer-coupled with series capacitors and isolation resistors
    • Impedance: 600 ohms
    • Nominal Level: +4 dBu
    • Maximum Level: +11 dBu (compressor restricts maximum)

      Headphone Output: 1, stereo
    • Compatibility: intended for connection to mono or stereo headphones or headsets with nominal
      impedance of 100 ohms or greater
    • Type: voltage driver
    • Maximum Output Voltage: 12 Vpp, 150 ohm load
      Auxiliary Relay:
    • Function: software configurable
    • Contacts: 2, form C (Common, Normally Closed, Normally Open)
    • Rating: 1 A, 30 W (resistive)
    • Access: requires user-implemented connector scheme

      Power Sources:
    • IFB Input: 24-32 Vdc, 125 mA
    • Intercom Interface: 24-32 Vdc, 125 mA
    • External: 24 Vdc, 90 mA @ 24 Vdc; acceptable range 20-30 Vdc. Each unit shipped with a universal input/24 Vdc output power supply.
    • Options: direct microphone output card, line-level output card

      Dimensions (Overall):
    • 8.1 inches wide (20.6 cm)
    • 3.3 inches high (8.4 cm)
    • 8.5 inches deep (21.6 cm)
    • Weight: 4.5 pounds (2.0 kg)
     

M230 - Required Accessories

    California Residents:
    WARNING:
    Cancer and Reproductive Harm - www.P65Warnings.ca.gov