(discontinued) Balanced Mono Audio Isolation Transformer
By: Discontinued | Kramer
Products that are no longer being manufactured. Please contact us for a replacement option.
Discontinued : TR-1A
Description
This item is DISCONTINUED. For an alternate solution, see Kramer TR-2A.
The TR1A is a high-performance isolation transformer for balanced mono audio signals. The TR 1A completely isolates devices to eliminate hum, ground loops, and DC offsets that can degrade audio quality.
Features
TR-1A features include:
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S/N Ratio - −83dB @+4dBu, 1kHz.
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External Input & Output Ground Terminals.
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Grounding Options - DIP−switch selectable.
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Passive - No power required.
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Compact Kramer TOOLS™ - 3 units can be rack mounted side−by−side in a 1U rack space with the optional rack adapter.
Specifications
| INPUT: | 1 balanced audio, +4dBu/600Ω on a detachable terminal block. |
| OUTPUT: | 1 balanced audio, +4dBu/600Ω on a detachable terminal block. |
| MAX. OUTPUT LEVEL: | +26dBu. |
| BANDWIDTH (-3dB): | 20Hz to 20kHz. |
| S/N RATIO: | −83dB @+4dBu/1kHz. |
| CONTROLS: | DIP−switches to connect to chassis. |
| COUPLING: | Transformer. |
| AUDIO THD + NOISE: | <0.025% @+4dBu/1000Hz. |
| DIMENSIONS: | 12.1cm x 7.2cm x 3cm (4.77” x 2.85” x 1.2”) W, D, H. |
| WEIGHT: | 0.34kg (0.75lbs) approx. |
| INCLUDED ACCESSORIES: | Mounting brackets. |
| OPTIONS: | RK−3TR 19" rack adapter. |
Resources & Documents
| tr-1a.pdf | Datasheet |