Meyer Sound S-1 Processor

Meyer Sound S-1 Processor

The Meyer Sound S-1 is a single-channel active signal processor designed for use with the USM-1 Loudspeaker. It occupies a single 1 3⁄4- inch rack space.

Features:

• Active crossover for biamplification
• SpeakerSense™ driver protection with MultiSense™ function
• True excursion limiting to protect the USM-1 drivers
• Loudspeaker frequency and phase response alignment

Specifications:

• Input Type: Balanced ISO-Input,™ 10k ohms, 5k ohms per leg
• Output Type: Active push-pull, 600 ohms output impedance
• Maximum Input Level:
  • Balanced: +26 dBu
  • Unbalanced: +20 dBu
• Maximum Output Level:
  • Balanced: +26 dBu
  • Unbalanced: +20 dBu
• Hum and Noise:
• Dynamic Range: 108 dB
• Sense Inputs: 10k ohms true differential, opto-isolated
• Electronic Crossover Frequency: 1400 Hz
• Low Frequency Delay Type: Active all-pass
• Driver Protection Circuitry:
  • Low Frequency:
    • RMS limiter, 100 msec. integration time
    • LF excursion limiter (instantaneous)
  • High Frequency:
    • RMS limiter, 100 msec. integration time
    • VHF peak limiter, 2 msec. on-time, 35 msec. release time
    • HF excursion limiter (instantaneous)
• Indicators:
  • Sense/Amplifier Gain Detect; Hi and Lo: Green/Red LEDs
  • RMS Limiter, Excursion Limiter; Hi, Lo and VHF: Red LEDs
  • Safe: Green LED
  • Power: Supply Green/Red LED
• Controls:
  • Front Panel: Input attenuator, AC power switch
  • Preset Panel:
  • Lo Cut switch, Safe switch, VHF var/cal switch
  • VHF control (3/4-turn screwdriver adjust)
• Rear Panel: Ground lift switch, AC range switches
• Connectors:
  • Balanced Input/Output: 3-pin XLR (A-3) female/male
  • Sense Inputs: Banana jacks (4 dual)
• Power: 90-125/180-250V AC, 50/60 Hz (rear-panel switchable)
• Physical Dimensions: 19" W x 13⁄4" H x 73⁄4" D, standard rack mount
• Weight: 8 lbs. (3.6 kg