TBL25 QUAM NICHOLS, TBL25 Datasheet
TBL25
Manufacturer Part Number
TBL25
Description
Line Matching Transformer
Manufacturer
QUAM NICHOLS
Datasheet
1.TBL25.pdf
(1 pages)
Specifications of TBL25
Transformer Mounting
Chassis
Secondary Impedance
8ohm
Power Rating
4W
Supply Voltage
25V
Transformer Type
Line Matching
Insertion Loss
1dB
Mounting Type
Chassis
GENERAL DESCRIPTION
The Quam TBLU / TBL25 / TBL70 / TCH70 is a constant
voltage line transformer with multi-tap outputs.
INTENDED USE
Indoor environment. Desired tap / common primary leads
connected to the output of a constant voltage amplifier;
secondary / common attached to a nominal 8 Ohm loud-
speaker.
Program Material: Signal tones, voice and music
SYSTEM COMPONENTS
N/A
RECOMMENDED ADDITIONAL QUAM COMPONENTS
0201– Coaxial Loudspeakers, Individual
0202– Dual Voice coil Loudspeakers, Individual
0203– Public Address Loudspeakers, Individual
Quam-Nichols Company
234 East Marquette Road, Chicago, IL 60637
Phone: (800) NEED NOW
E-Mail: neednow@qnc.com
© 2007 Quam-Nichols Company Quam-Nichols reserves the right to make changes and/or improvements to its products at any time and without notice.
NOTE:
Quam transformers use the following designators when
used in Quam Factory Assemblies:
0502– TRANSFORMERS
(Requires two transformers per loudspeaker)
(Except 8C5Z45B– 45 Ohm)
(800) 633 - 3669
TBLU-
TBL25- /B25/
TBL70- /B70/
TCH70- /H70/
/BU/
Fax: (888) NEED NOW
www.quamspeakers.com
(888) 633 - 3669
Primary Volts
Power Rating
Primary Taps
(-3dB steps)
Secondary Load
Frequency Response (Hz)
Insertion Loss
AUDIO CONNECTIONS
Primary Connection
Secondary Connection
Shipping Weight
TCH70 Shown
Recommended construction sequences, installation instructions and A&E
Specifications are available in various formats on the Quam Architects’ and
Engineers’ Resources CD or on the web at: www.quamspeakers.com
AUDIO SPECIFICATIONS
Multi-Tap Line Transformers
TBLU
TBL25
TBL70
TCH70
Low-Loss, Extended LF
25V - TBL25
70.7V - TBL70, TCH70
25/70.7V - TBLU
4W - TBL25, TBL70
5W - TBLU
10W - TCH70
5 - TBL25, TBL70, TCH70
5 per voltage - TBLU
8 Ohm nominal, all variants
100Hz-15kHz - TBLU, TBL25, TBL70
0.75 dB - TCH70
1.0 dB - TBLU, TBL25, TBL70
All except TCH70
Common: 7” pre-cut
Taps: 7” color-coded, pre-cut
TCH70 Only
Common: 7” pre-cut
Taps: 7” red wire with field-
selectable, push-on connector
All variants: 7” lead with 0.205”
female push on connector
10 oz– All models
50Hz-20Khz - TCH70
25/70.7v, 5W
70.7V, 10W,
25V, 4W
70.7V, 4W
TTRANSFORMERS_07JN19
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