AUDIO TELEX TX250BA User manual

POWER AMPLIFIERS
TX25OBA
TX5OOBA
. 1OO Volt Une Output
. Balanced lnput
. Mosfet Reliability
The TX250BA and TX500BA are h gh performance power amplifiers us ng hlgh voltage rnosfet trans stors in
therr output stages to ensure maximum re iabilty and performance.
Mechanicaily, these amplifiers are so dly constructed from aluminlum extrusions wrth generous heat sinking,
to ensure coo , effrcient operation. They are a compact size, B9mm high, suited for direct mounting nto a stan-
dard 482mm wde rack. Handles on the front panel faci tate the ease of rack mountrng and remova.
Technical Specifications:
TX25OBA TX5OOBA
POWER OUTPUT 250 watt RMS 500 watt RlvlS
FREQUENCY RESPONSE 60Hz to 20kHz t 1 dB
DISTORTION THD <0.1olo at Rated Output
SIGNAL TO NOISE >-75 dB
INPI.JT SENSITIVITY 1.5 Volts (Transformer Balanced)
OUTPUT 100 Volts (Max 40 OHM Load)
CONTROLS LED VU N/eter, Mains On/Off Rocker Switch with Built- ln Neon.
Preset volume contro screwdriver adjustable
FAULT INDICATION Automatrc Protection against DC ln the output line or high temperature
due to over oad or extreme ambient temperatures. In both cases
amplifier w I shut down then recyc e. Fault and temp LED indication
on the front panel.
FUSES Load Fuse 3 AMP qu ck acting
Supply fuse (DC) 5 AM P quick act ng
Supply fuse (AC) 4 AIV P slow b ow
DIN/ENSIONS 89HX482WX260Dmm 89Hx482Wx380Dmm
WEIGHT
POWER REOI]IREMFNT
12 Kg
240 VAC (on y)
15 Kg