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66B Early

66B ; Philco, Philadelphia (ID = 214378) Radio
66B ; Philco, Philadelphia (ID = 493840) Radio
66B ; Philco, Philadelphia (ID = 493841) Radio
66B ; Philco, Philadelphia (ID = 1660466) Radio 66B ; Philco, Philadelphia (ID = 56895) Radio
66B ; Philco, Philadelphia (ID = 56980) Radio 66B ; Philco, Philadelphia (ID = 393769) Radio
66B ; Philco, Philadelphia (ID = 393770) Radio 66B ; Philco, Philadelphia (ID = 702551) Radio
66B ; Philco, Philadelphia (ID = 1660467) Radio 66B ; Philco, Philadelphia (ID = 1660468) Radio
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66B ; Philco, Philadelphia (ID = 1660466) Radio
Philco, Philadelphia: 66B [Radio] ID = 1660466 500x450
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For model 66B Early, Philco, Philadelphia Stg. Batt. Co.; USA
Country:  United States of America (USA)
Manufacturer / Brand:  Philco, Philadelphia Stg. Batt. Co.; USA
Year: 1934 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6A7 78 75 42 80
Main principle Superheterodyne (common); ZF/IF 460 kHz
Wave bands Broadcast and Short Wave (SW).
Power type and voltage Alternating Current supply (AC) / 110 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: 66B [Early] - Philco, Philadelphia Stg. Batt
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Dimensions (WHD) 12.5 x 16.5 x 8.5 inch / 318 x 419 x 216 mm
Notes The Philco model 66 series models use a 5-tube 2-band chassis covering the BC band and SW (5.5 - 16 MHz). There were four individual models in the series with different cabinet styles.

The early version (1934) of the 66B table radio was a rectangular tombstone with a single vertical bar through the center of the speaker opening and two downward facing arcs at the bottom of the speaker opening surrounding the tuning dial. The late version (1934-35) of the 66B was a cathedral with rounded top and a webbed oval speaker opening.

Model 66S (1935) was another rectangular tombstone having a lyre-shaped speaker opening with four vertical bars through its center.

Model 66L (1935) was a lowboy with an inverted "Y" bar through the center of its speaker opening and other embellishment.
Net weight (2.2 lb = 1 kg) 9.1 kg / 20 lb 0.7 oz (20.044 lb)
Price in first year of sale 40.00 $
External source of data Ernst Erb
Source of data Collector's Guide to Antique Radios 4. Edition
Circuit diagram reference Rider's Perpetual, Volume 5 = ca. 1934 and before
Mentioned in Antique Radios, Johnson 1986
Literature/Schematics (1) Philco Radio 1928-1942 (Philco 1928-36 Wiring Diagrams, Parts Lists, and Essential Service Data)
Literature/Schematics (2) Machine Age to Jet Age II (page 212.)

All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA
Here you find 3737 models, 2110 with images and 3134 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.