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Q/ou Cant Carry a Load ofTtay on aJWheelbarrow
\rEITHER can you obtain good musical per' ^ \_. formance from your receiver unless your audio amplifier can carry the full load of rich tones and overtones.
Wherever tone quality is paramount you will find Thordarson Amplifying Transformers. Over thirty manufacturers of leading quality receivers use them as standard equipment.
Follow the lead of the leaders. Whether buy ing or building a receiver — if you enjoy music — insist on Thordarson Amplification.
You don't have
to be water boy
to the
THORDARSON BATTERY CHARGER
DRY — As dry as they make them. In fact the rectifying element is contained in a moistureproof cartridge.
SILENT — No vibrating parts. Current is rectilled through a patented electro-chemical process.
SAFE — There is no hazard to rugs or woodwork for there is no acid to spill. The tubes of the set are safe, even if turned on when the charger is in operation.
COMPACT — Fits into battery compartment easily. Only 2%" wide, 5J4" l°ng and 4y4" high, overall.
EFFICIENT — This charger is always ready for service. No overhauling required. Rectifying element is held in spring clips and can be replaced in thirty seconds.
LONG LIFE — The Raytheon rectifying unit used in this charger is guaranteed by its manufacturer for 750 hours of full load operation, or approximately one year's service. The
transformer will last indefinitely.
CHARGING RATE— 2 amperes.
Price $
12*>
THORDARSON Power Compact
The only complete foundation unit for home-built power amplifiers. Contains power supply transformer, 2 30-henry choke coils, 2 buffer condensers and center tapped filament supply — all in one compound filled case. Supplied in two types: R-171 for Raytheon rectifier and UX171 power tube, and R-210 for UX-216 B rectifier and UX-210 power tube.
Type R-171, #15.00 Type R-210, 20.00
THORDARSON R-200 Amplifying Transformer
A transformer designed for the musical epicure. The large core of finest silicon steel and the high inductance primary winding combine to give this instrument the most perfect transformer reproduction obtainable. Has a remarkably wide range of amplification. Ideal for use with cone type speakers. Designed for both first and second stage amplification. Weight, 2 lbs. Price #8.00
THORDARSON
RADIO TRANSFORMERS Supreme in Musical Performance!
THORDARSON ELECTRIC MANUFACTURING CO.
Transformer specialists since 1895 WORLDS OLDEST AND LARGEST EXCLUSIVE TRANSFORMER MAKERS
f Chicago. U.S.A.
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