ETS TMPA-1 Specsheet

Sound Surveillance tm

TMPA-1 Dynamic Paging

Microphone Pre-amplifier

Description

The TMPA-1 is a dynamic microphone
(moving coil) pre-amplifier designed to
be used with the TOA PM-660U (or any
other desktop paging type microphone
utilizing a dynamic type microphone
cartridge). Any other balanced output,
dynamic type microphone may also be
used with the TMPA-1. The TMPA-1
features both balanced and unbalanced
"line level" audio outputs. The TMPA-1
typically connects to PA system line
inputs, PC line inputs and any other
equipment accepting balanced or
Unbalanced line level audio. Two modes
available for PTT (Push to talk) switch
input: switch pass through or
pre-amplifier mute

Includes:

• TMPA-1 pre-amplifier.

• 14Vac 400ma AC adapter.

• Installation instructions.

Wiring requirements:

Balanced output:

• 2 conductor shielded (with drain

wire) 22 gauge stranded. Max
cable length 1000’ or high quality
microphone cable.

Unbalanced output:

• Standard audio coaxial cable. Max

cable length 1000’

TMPA-1 Specifications

• Ultra low noise pre-amplifier IC.

• Lo Z, balanced, microphone input.

• Frequency response: 20-20KHZ

• Adjustable gain (40db to 60db)

• Switch selectable PTT (Push to talk) mode:

switch pass through or pre-amplifier mute.

• Input impeadance:1k Ohms

• RFI and ESD protected microphone input.

• Two line outputs: One balanced, one

unbalanced Line level output (0db),
Impedances: 100 Ohms.

• Wide dynamic range output.

• Outputs short circuit protected.

• Power: 14Vac @ 20mA.

• Auto-reset fused..

• Euro-style connectors makes cable termina-

tions fast and clean.

• Dimensions: L 3.3x W 2.0 x H 1.6.