TOA Electronics U-21S Unbalanced Line Input Module Remote Volume Control Screw T

TOA's U21S is for unbalanced, line level equipment such as AM/FM tuners, tape decks, and CD players. Allows remote control of input signal using an external potentiometer. Also configurable as a master remote volume control.

The U-21S is a line input module to be used in conjunction with the 900 series mixers/ amplifiers and other TOA's equipment. It has an unbalanced input with screw terminals, remote volume control function, and gain control.

FEATURES

• For Unbalanced, Line Level Sources such as AM/FM tuners, cassette decks, CD players, computer sound cards, jukeboxes, mixers and satellite receivers.
• Use For Adjacent Sources (less than 15 feet from the host unit).
• Remote Volume Control by connecting an external 10 kΩ, linear-taper potentiometer to screw terminals #4 and #5.
• Connector: screw terminal (U-21S)

TIPS

• Tip! You can also connect a switch between screw terminals #4 and #5 for remote on/off operation. Closing the switch turns the module OFF, opening the switch turns the module ON. Note: Control line resistance greater than 200 Ω will prevent full attenuation (200 Ω = 3821 ft. of #24 AWG wire).
• Tip! You can also use the U-21 as a stand-alone Remote Volume control by cutting Jumper J2 to disconnect the module's output from the mix bus. This function is useful in original 900 Series mixer/amplifiers which did not have built-in Remote Master Volume terminals or, as a second Remote Master Volume for the A-903/6/12MK2 mixer/amplifiers, the AX-1000A auto-mixer or the M900MK2 mixer/pre-amplifier. Connect the module input to the "Pre-Out" jack (or mixer output) and the module output to the "Power-In" jack (or adjacent power amplifier).

SPECIFICATIONS

• Controls / Functions: Gain Control
• Remote Volume Facility
• Performance Input: 220kΩ
• Input Sensitivity: -18 ~ +12dBu
• Gain (Adjustable): -30 ~ 0dB
• Maximum Input: +18dB
• Signal to Noise (S/N): 90dBu (S/N)

• Power Source: 24VDC (supplied from the main frame)
• Current Consumption: 27mA
• Input Sensitivity: -20dB* (rated output: -20dB*), adjustable: -20 to +10dB*
• Input Impedance: 220kΩ, unbalanced
• Frequency Response: 20Hz - 20kHz ± 1.5dB
• Distortion: 0.05% or less (1kHz, output: 0dB*)
• Noise Level: -106dB* (20Hz - 20kHz BPF)
• Remote Control Range: 0 to -55dB
• Connector: 5 Screw terminals
• Dimensions: 35 (W) x 78 (H) x 88 (D) mm (1.38 x 3.07" x 3.46 in.)
• Weight: Max. 65g (0.14lbs)