Studio Technologies 230 2008 - Manual (Page 52)

Issue 7, October 2008 Model 230 User Guide
Page 52 Studio Technologies, Inc.
Specifications
General Audio:
Frequency Response: 20 Hz-20 kHZ, ±0.1 dB,
mic in/main out
Distortion (THD+N): 0.008%, measured at 1 kHz,
mic in/main out
S/N Ratio: 80 dB, referenced to –46 dBu mic in/
–2 dBu main out
Connectors:
Mic In, Line In 1 & 2, IFB In, Intercom Interface:
3-pin female XLR-type
Main Out, Talkback Out: 3-pin male XLR-type
Headphone Out: ¼-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
Gain Range: 20 to 60 dB, adjustable in 10 dB steps
Compatibility: dynamic or phantom-powered mics
Phantom Power: 48 Vdc, nominal, meets IEC 61938
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 RTS™ and Clear-Com®
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: 8 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. Units shipped to North America
and Japan include a 120 V input/24 Vdc output
power supply. Units shipped to all other locations
include 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 (22.4 cm)
Weight: 4.5 pounds (2.1 kg)
Specifications and information contained in this
User Guide subject to change without notice.