The TOA TS-691L Chairman Unit with Long Microphone is part of the TS-690 Conference System, designed for clear communication and easy operation in meetings. With its compact, lightweight design, the unit is easy to install and store. Equipped with a long electret condenser microphone, it ensures precise voice pickup. The chairman can control speech, monitor delegates, and override delegate microphones using the priority button with single-tone chime activation.
Chairman unit for TS-690 Conference System
Equipped with long unidirectional condenser microphone for clear speech
Priority button allows chairman to override delegate microphones
Internal speaker with volume control for monitoring
Headphone and recording output (3.5 mm jack)
Compact and lightweight design, easy to install and store
Supplied power from Central Unit (TS-690)
Durable ABS resin housing with elegant metallic grey finish
Power Source: 36 V DC, 30 mA or less (from TS-690)
Output: Headphone/Recording: Ø3.5 mm mini jack (3P, monaural); Internal speaker: 130 Ω, 200 mW
Controls: Speech button (mic/speaker on/off), Priority button (override + chime), Volume controls
Microphone (Accessory): Electret condenser, unidirectional, 518 mm length
Impedance: 1.8 kΩ
Sensitivity: -37 dB (1 kHz, 0 dB = 1 V/Pa)
Frequency Response: 100 Hz – 13 kHz
Weight: 105 g
Operating Temperature: 0 °C – 40 °C
Operating Humidity: ≤90 % RH (no condensation)
Finish: Upper case: ABS resin, metallic grey; Lower case: ABS resin, black
Dimensions (unit only): 145.3 (W) × 70.7 (H) × 150.5 (D) mm
Weight: 800 g (excluding microphone unit)
Accessory: Long Microphone Unit × 1
Options: Extension cord YR-790-3, YR-790-10
