-40%
Vintage NOS Thordarson Power Transformer, 5V 300-0-300 Vacuum Tube Equipment
$ 23.73
- Description
- Size Guide
Description
Vintage NOS Thordarson Power Transformer, 5V & 300-0-300 for Vacuum Tube EquipmentSHIPPING to the USA ONLY (Loc WC3-5. ref #18, last one )
Unused,
New Old Stock
. Vintage high quality made power transformer, Thordarson # T46461.
Primary: 107V (Black & Green wires) or 117 V, 60 cycles (Black & White wires)
Secondary 1: 5 volts at 2 amps for rect filament. (Yellow wires)
Secondary 2: 300 - 0 - 300 at 150 mAdc (Red - Orange - Red wires)
Specs of this NOS transformer are suitable for a wide range of
tube type applications
. This includes stereo or hi-fi amplifiers, preamps, Amateur Radio circuits, various radios, and other applications within transformer specifications.
This transformer was briefly powered up and tested.
With 117 Vac in and using a 5AR4 rect tube and a 50uF filter cap, no load B+ was 435 Vdc. Voltage was
401 with a 53 mA load,
390 with a 76 mA load.
383 with a 95 mA load,
373V with a 123 mA load,
365 V with a 145 mA load.
356 V with a 176 mA (intermittent) load. Use this as a rough guideline for your application.
See all pictures
carefully. Ask questions before bidding. Sold as is.
No return or refund
on this item.
Note that there is
NO 6.3 volt filament voltage
. Transformer lends itself well for a “standby” setup in your equipment when used with a 5AR4 rectifier tube. Switch this trans on or off when you want the B+ on. Use a separate filament trans for your 6.3v tubes.
Mounting centers
measure 3" x 3 3/4". When mounted, transformer sits about 2 ½" above chassis.
Overall size
is about 3 3/4" x 4 ½" x 3 ½" tall, 6 ½ pounds.
Very good NOS condition in original box
. Has very minor blemish from storage.
SHIPPING:
USA only
. Priority Mail. Combine wins where ever possible to give you the lowest shipping cost .
Please see
my other interesting items. Thanks...
N O T E: Item is shown and described honestly and as best I can. However, item is sold AS-IS, no refund, no return. I cannot accept returns unless item has been grossly misrepresented.
Serious USA ONLY bidders, and with at least 15 feedbacks at 95% +.
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