500 TO 53K OHM GRID TUBE AMP PREAMP STEP TRANSFORMER

500 OHM TO 53K OHM GRID AUDIO STEP-UP TRANSFORMER Transformer. Made by Thermador, their model "CS-4141" Audio Transformer. NICE GUITAR AMP DRIVER! 500 Ohm input Secondary output is 53,000 Ohms TO GRID Max level 10dB, Frequency range 200-4000 cycles/second Measures 2 1/2" long x 2 1/4" width x 3 1/4" tall. Transformer is in good condition. There is some solder residue on the contacts. The casing also has some scuffs around it and the label is a bit worn. Unit is tested and works fine. (T92)