Goldline DSP30

A portable 30-channel digital 1/3 octave analyzer which uses ANSI class-0 and ANSI class 1 triple tuned style. Filters maintain 1/4dB accuracy over an 85dB range. Comes with Windows interface and 60 non-volatile memories. A serial port plus USB adapter is supplied.

Features:

• DSP30 microphone measurement range is 27dB to 125dB.
• Captures full 85dB window with scales from ¼ to 5dB.
• Filters exceed ANSI specs.
• Comes with RS232 computer interface
• Model MK8A - 600 ohm omni-directional electret condenser instrument microphone included
• An 85dB window not limited by the display.
• Automatic Sum; Average function to normalize readings and stabilize pink noise.
• 60 active memories.
• IEC Flat, A, C or User designated curves.
• A Sum mode to sum and average response curves.
• A Subtract mode to subtract one memory from another.
• Keypad selectable filters: ANSI triple tuned or sharper for notching applications.
• Scales from ¼dB to 5dB.
• Multiple plot function.
• Export file function.

Specifications:

• Measurement Range: Microphone input: 27dB to 125dB SPL, Line input: -88dBu to +14dBu (.031mV to 3.88V rms), Measurement window: 85dB
• Inputs: Microphone: Balanced, XLR 3 pin receptacle, Line: Unbalanced ¼" phone jack. 15k ohm impedance
• Outputs: None (standard); Printer port: DB25F (optional), RS232 port: DB25M (optional), Standard on DSP30B/B
• Center Frequencies: ISO 1/3 octave between 25Hz - 20kHz
• Center Frequency Accuracy: typically ±1%.
• Relative Flatness Channel to Channel: 1/4dB
• Displays: Audio Spectrum, 30 channel, 10 LEDs per channel, all channels scalable in ¼, ½, 1, 2, 3, 4, or 5dB SPL. SPL & Reference readings are 3 digit via 7 segment LED readout
• Filters: ANSI standard (triple tuned) sharper than standard for notching applications
• Weighting: IEC A, C, Flat or USER defined
• Decay Rate: Fast =34.7dB/s, Medium = 8.7dB/s, Slow = 4.3dB/
• Function Control:16 button keypad
• Power Requirements: Batteries: Eight "AA" alkaline or nicad..External: 12Vdc @ 500mA via 2.1mm jack
• Case Material: High Impact ABS.
• Dimensions (W x H x D): 10" x 10.25" x 2.5"
• Weight: 2 lbs.