TX™ SERIES
TX-10B Bridging Input Transformer
• Used to add transformer
isolation to any line-level RDL
product input
• Frequency response: 20 Hz to
20 kHz (+/- 0.5 dB)
• THD: , 0.05% (1 kHz)
• 10 kΩ input bridges any audio
line
TX-1A Adjustable Line Transformer
SPECIFICATIONS:
Width: 1.20 in. 3.00 cm
Length: 3.00 in. 7.60 cm
Height: 1.40 in. 3.60 cm
• Balanced input and output
• Provides transformer isolation
between balanced and
unbalanced line inputs
• Level trimpot adjusts output 4
to 24 dB below
• Input level may be 10 kΩ
bridging or 600 Ω terminated
• Frequency response: 20 Hz to
20 kHz (+/- 0.5 dB)
• THD+N: < 0.05 % (1 kHz)
TX-LM2 Line Matching Transformer
• Matches balanced 600 Ω
phone or other line into mic or
line input
• Dual outputs: Unbalanced
line level or balanced mic
level
• Frequency response: 20 Hz
to 20 kHz (+/- 0.5 dB)
• THD: < 0.05% (1 kHz)
TX-70A 100/70/25 Volt Input Interface
• Matches a 100, 70 or 25 volt
speaker line to any
unbalanced line-level audio
input
• Trimpot adjusts output level
for various input
voltage/power levels
• Frequency Response: 20 Hz
to 20 kHz (+/- 0.5 dB)
• THD: < 0.05% (1 kHz)
RDL •• P.O. Box 1286 •• Carpinteria, CA., USA 93014 •• (805) 684-5415 •• FAX (805) 684-9316 •• http://www.rdlnet.com
TX-10B
TX-1A
TX™ SERIES
INPUT FROM
BALANCED LINE
OUTPUT TO
ELECTRONIC-BALANCED
EQUIPMENT INPUT
CONNECT IF REQUIRED
25/70/100 VOLT INTERFACE LINE MATCHING TRANSFORMER
CONSTANT VOLTAGE LINE
ADJUST LEVEL
SET TO 25V, 70V, OR
FULLY COUNTER-CLOCKWISE
FOR 100 V SYSTEM
TRIM LEVEL AS NEEDED
OUTPUT TO
UNBALANCED
+
EQUIPMENT INPUT
+
600
-
OHM
INPUT FROM
BALANCED LINE
(BRIDGING)
CONNECT IF REQUIRED
OUTPUT TO
UNBALANCED
+
CONNECT IF NEEDED TO REDUCE HUM
+
-
CT
+
+
-
CONNECT IF REQUIRED
EQUIPMENT INPUT
ADJUST LEVEL
FROM LONG LINE
INPUT FROM
BALANCED LINE
(600 OHM LINE)
OUTPUT TO
LINE-LEVEL UNBALANCED
EQUIPMENT INPUT
CONNECT EITHER MIC OR LINE OUTPUT, NOT BOTH
NOTE THAT INPUT CENTERTAP IS NOT INTERNALLY CONNECTED TO GROUND
Installation/Operation
EN55103-1 E1-E5; EN55103-2 E1-E4
Typical Performance reflects product at publication time
exclusive of EMC data, if any, supplied with product.
Specifications are subject to change without notice.
ADJUSTABLE LINE TRANSFORMERBRIDGING INPUT TRANSFORMER
+
600
-
OHM
INPUT FROM
BALANCED LINE
(600 OHM LINE)
CONNECT IF REQUIRED
OUTPUT TO
UNBALANCED
+
EQUIPMENT INPUT
TX-LM2TX-70A
CONNECT IF NEEDED TO REDUCE HUM
+
-
CT
+
+
-
CONNECT IF REQUIRED
FROM LONG LINE
OUTPUT TO
MIC-LEVEL BALANCED
EQUIPMENT INPUT
CONNECT IF REQUIRED
INPUT FROM
BALANCED LINE
(600 OHM LINE)
891-0068G
Radio Design Labs Technical Support Centers
U.S.A. (800) 933-1780, (928) 778-3554; Fax: (928) 778-3506
Europe [NH Amsterdam] (++31) 20-6238 983; Fax: (++31) 20-6225-287