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Two-Stage Audio Amplifier DY-10

Two-Stage Audio Amplifier DY-10; Acme Apparatus Co.; (ID = 951555) Ampl/Mixer
Two-Stage Audio Amplifier DY-10; Acme Apparatus Co.; (ID = 2209674) Ampl/Mixer Two-Stage Audio Amplifier DY-10; Acme Apparatus Co.; (ID = 951554) Ampl/Mixer
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Two-Stage Audio Amplifier DY-10; Acme Apparatus Co.; (ID = 2209674) Ampl/Mixer
Acme Apparatus Co.;: Two-Stage Audio Amplifier DY-10 [Ampl/Mixer] ID = 2209674 1400x1595
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For model Two-Stage Audio Amplifier DY-10, Acme Apparatus Co.; Cambridge (MA):
Acme Two-Stage Audio Amplifier DY-10
Country:  United States of America (USA)
Manufacturer / Brand:  Acme Apparatus Co.; Cambridge (MA)
Year: 1922 Category: Audio Amplifier or -mixer
Valves / Tubes 2: UV201 UV201
Main principle Audio-Amplification; 2 AF stage(s)
Wave bands - without
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Model: Two-Stage Audio Amplifier DY-10 - Acme Apparatus Co.; Cambridge
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Dimensions (WHD) 9.75 x 10.5 x 9.125 inch / 248 x 267 x 232 mm
Notes ACME Two-Stage Amplifier Sockets mounted on bakelite base: positive spring connections. Filament controlled by durable, positive acting rheostats. Acme Audio Frequency Transformers are used. Ample space inside the cabinet for the "B" battery. All connections are from the rear. Eight binding posts mounted on bakelite strip provide connections for input, "A" and "B" batteries and output. Rheostat controlled by genuine bakelite knobs with corrugated edges for secure finger grip. Amplifier jacks are filament controlled to insure maximum economy in the use of the "A" battery current, as current is only applied when plug is inserted in jack.
Net weight (2.2 lb = 1 kg) 8 lb (8 lb 0 oz) / 3.632 kg
Price in first year of sale 32.00 $
Literature/Schematics (1) 1922 Montgomery Ward Radio Catalog page 8

Model page created by Alan Larsen. See "Data change" for further contributors.

All listed radios etc. from Acme Apparatus Co.; Cambridge (MA)
Here you find 20 models, 19 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.