1. Amplifier-control Unit (ES-675710) in
Carrying Case (ES-610263), with VI
Meter KS-8208-L2 (or KS-8218-Ll).
2. Power Supply Carrying Case (ES-
610264-2).
3. AC Power Unit (ES-610199) with
cord and plug for connecting to ampli
fier.
4. AC Power Plug Body (a-c wall plug
and cord not furnished).
Required vacuum tubes to be ordered sep
arately are: 2-6J7 and 1-6F6 for the ampli
fier, and 1-80 for the a-c unit.
For Battery Operation
When battery operation is specified, the
equipment furnished consists of the follow
ing basic components:
1. Amplifier-control Unit in carrying case.
2. Power supply carrying case.
3. Battery cord, plug, and set of battery
accessories per B-147071.
Vacuum tubes and batteries should be or
dered separately.
For Both AC and Battery Operation
When both a-c and battery operation are
specified, the equipment furnished consists
of the following basic components:
l.
Same as ( 1) under a-c operation.
2. Same as (2) under a-c operation.
3. Same as (3) under a-c operation.
4. Same as (4) under a-c operation.
5. Same as (3) under battery operation.
Tubes and batteries should be ordered
separately.
Accessories Required
Power Cord and Plug
The AC Power Unit is furnished with a
plug cap for making a-c power connection
to
the unit. However, no cordage or wall plug
is furnished.
Batteries
Batteries as listed above are not furnished
and must be ordered separately.
For storage battery operation, the required
batteries are:
4-Eveready No. 762S or Burgess No.
5308 (for plate).
1-Exide No. 3-AC-7-1 storage battery per
DA-26588. (For filaments).
For dry cell battery operation, the required
batteries are:
4-Eveready No. 762S or 4-Burgess No.
5308 (for plate).
2-Burgess 4F2H (for filaments).
Monitoring
One or two Western Electric 1002F Head
sets are recommended for monitoring pur
poses. If highest quality headset monitoring
is desired, the Western Electric Dynamic
Headset (D-97690 equipped with a D-90944
Cord and 47 Type Plug) is recommended.
For loudspeaker monitoring,
a
124E Ampli
fier having a high impedance bridging input
and no ground on its input, or a 142A Ampli
fier with a suitable bridging input coil, should
be selected so that it can be bridged directly
across the outgoing line or plugged into one
of the headset monitoring jacks.
Microphones and Microphone Accessories
Western Electric 633 or 639 type micro
phones are recommended for use with this
equipment. Information pertaining to these
microphones and to their accessories may be
obtained from any Western Electric Distribu
tor.
Cannon P3-CG-12 straight cord plugs for
use with microphone cords should be ordered
separately as required.
KS-7133 Shielded Microphone Cordage,
recommended for use with Western Electric
microphones or other low level or high qual
ity program circuits,
should
be ordered sep
arately as required.
Assembly
Amplifier Control Unit
1. Remove the cover of the Amplifier-con
trol Unit of the 22E Speech Input
Equipment by loosening the four thumb
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