- Load Impendance switch, Frequency Range switch
- Rear panel:
- INPUT BNC, multi-purpose binding posts for output.
- Power level:
- 75W with 7500 (slightly less at ends of range)
- Matched loads:
- 200 ohm input, Model 7500, 2, 8, 32, and ohms
- Condition info:
- Electronic test equipment
- Subcategory 2:
- Transformer test equipment
The Krohn-Hite MT-56R, Impedance Matching Transformer, is specifically designed as an accessory to broaden the amplification range of Krohn-Hite amplifiers, by providing increased output current and a greater range of output impendance. The Krohn-Hite MT-56R, Impedance Matching Transformer, may be used with the Model 7500 amplifiers.
The Krohn-Hite MT-56R, Impedance Matching Transformer, provides primary-to-secoundary turns ratio of 10, 5, 2.5, and 1.25 to 1, selected by the 4-position Load Impendance switch. When using the Model 7500 Amplifier, which has 200 ohm output impendance, these correspond to matched loads of 2, 8, 32, and 128 ohms respectively. The operating frequency range is either 30Hz to 10khz, or 10kHz to 500kHz, selected by the Frequency Range switch.
Input and output connections are made to multi-purpose binding posts on the front panel and on the rear of the chassis, wioth separate chassis/grounding terminals on the front panel to provide for either floating or chassis/ground operation.
Frequency Range: 30Hz to 500kHz in two ranges: 30Hz to 10kHz and 10kHz to 500kHz
Power Level: 75W with 7500 (slightly less at ends of range)
Power Output Vs. Frequency: See curves fo rtypical outputs into matched loads with nominal 75W input from Model 7500 Amplifier.
Harmonic Distortion (rms): See curves for typical distortion with matched resistive loads at constant inputs to 7500 Amplifiers.
Matched Loads: 200 ohm input, Model 7500, 2, 8, 32, and ohms
Controls: Load Impendance switch, Frequency Range switch
Front Panel: multi-purpose binding posts with seperate chassis/ground terminals.
Rear Panel: INPUT BNC, multi-purpose binding posts for output.
Dimensions and Weights: 3.5" (8.9cm) high, 19" (48.2cm) wide, 6.5" (16.5cm) deep; 21 lbs (9.5kg) net; 25 lbs (11.3kg) shipping
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