Specifications

TABLE OF CONTENTS
Preparation
for
Use
Rear Panel Connections
Phono
Tape ln
Tape Out
Auxiliary
Ouadradial
l\4ain ln and
Pre
Out
Loundspeaker Systems
Anlenna Attenuator
Power Connections
Connection to
AC
Outlet
Convenience Outlet
Simplif ied Operating
Procedure
Tuning
lvleters
Tuning
l\4ono Switch
Tape lMonitor
Switch
Loudness
Switch
Low
Filter Switch
Hi
Filter Switch
l\4uting Switch and
Level
Control
lVIain
Controls and Switches
Selector
Switch
Balance Control
Volume
Control
Bass
l\4id and Treble Controls
lVIain-Spkr Remote Switch
Front
PanelJacks
Dubbing Out
Dubbing ln
Stereophones
Some
Suggestion on Using Tape Recorders
with Your
Model 2245
Recording and
Playback
Becording
Playback
lMaa<ing Two
Recordings Sirnultaneously
Becording a
Long'Duration Program
Copying and
Editing
Convertinq
Your
Stereo System to
4 channel
Technical
Description
General
Functional Description
Front
End
lF Stages
Lim iter
FM Stereo Demoduläror
2
2
2
2
2
3
3
3
3
4
5
5
5
5
6
6
6
6
6
6
6
6
1
7
7
7
7
7
8
8
8
8
I
8
8
I
I
11
11
11
11
12
12
12
l\,4uting Circuit
Selector Switch
Tape Signals
Tape l\4onitor
Switch
Phqno Signals
I\4ono Functions
Control Circuits
Balance Control
Volume Control
Tone Ampli{ier
Hi-Lirw Filter
Output Stage and Protective
Circuits
Technical Specificataons
Typical Per{ormance
Curve
Service
Note
12
12
12
13
13
13
14
14
15
15
15
16
17
19
LIST OF
ILTUSTRATIONS
1. Rear Panel Connection Facilities and
2.
3.
4.
5.
6.
7.
8.
10.
11.
12.
13.
14.
15.
16.
17.
Adiustments
2
Loudspeaker System Connectlons
3
Fl\4/A[\4 Antenna Conneclion
4
AIVI
Ferrite-rod
Antenna 5
Front
Panel
Controls and Jacks 1
Stereophone Plug
I
Arrangement oJ Two Tape Becorder
I
Connection Diagram
10
Functional Block Diagram
1'l
PhonoEqualizationCharacteristics
13
Tone Control
Characteristics 14
Low and High Filter
Characteristics 14
FlVi Characteristics
17
Stereo Separation
17
Harmonic Di$ortion
18
Frequency Response
'18
Päckinq lnstructions
1S