Quadraphonic Compatibility

QUADRAPHONIC COMPATIBILITY

What happens if you play one kind of quadraphonic record on another kind of decoder? This table tells which systems are compatible, which ones are partially compatible, and which are not compatible at all.

COMPATIBILITY TABLE	PLAYBACK MATRIX SYSTEM → → → → → → → →
RECORDING MATRIX SYSTEM ↓	QS	DD	EV	DQ	SQ	SB	UM	EU	HM	HR	UQ	DS	CS	UJ	PL	HT	TP	CQ	SF

SCHEIBER AND SANSUI QS	QS, RM →	10	10	9	9	6	8	0	8	4	4	8	10	8	8	0	10	10	9	N o t a d e c o d i n g m a t r i x
THE DYNACO DIAMOND	DD →	10	10	9	9	6	8	0	8	4	4	8	10	8	8	0	10	10	9
ELECTRO-VOICE STEREO 4	EV →	9	9	10	9	6	8	0	8	4	4	8	9	8	8	0	9	9	9
DYNAQUAD	DQ →	9	9	9	10	6	8	0	8	4	4	8	9	8	8	0	9	9	9
CBS SQ	SQ →	6	6	6	6	10	10	0	10	0	0	9	6	MS	4	4	MS	MS	9

CBS SQ 10-40 BLEND	SB →	6	6	6	6	10	10	0	10	0	0	9	6	MS	4	4	MS	MS	9
DENON UMX (UNIFORM MATRIX)	UM →	0	0	0	0	MS	MS	10	MS	4	4	MS	10	MS	0	0	MS	MS	MS
ELECTRO VOICE UNIVERSAL	EU →	8	8	8	8	10	10	0	10	0	0	9	8	MS	4	4	MS	MS	9
BBC MATRIX H	HM →	4	4	4	4	0	0	4	0	10	0	0	4	0	6	0	MS	0	0
BBC MATRIX H REVERSED	HR →	4	4	4	4	0	0	0	0	0	10	0	4	0	0	0	MS	0	0

UNIQUAD EQUAL SEPARATION	UQ →	8	8	8	8	10	10	0	10	0	0	10	8	MS	4	4	MS	MS	10
DOLBY SURROUND	DS →	10	10	9	9	6	8	0	8	4	4	8	10	8	8	0	10	10	9
CIRCLESURROUND	CS →	6	6	6	6	MS	MS	0	MS	0	0	MS	8	10	4	0	MS	MS	MS
DENON BHJ AND UHJ	UJ →	8	8	8	8	0	0	4	0	8	0	0	8	0	10	0	MS	0	6
PHASE LOCATION	PL →	0	0	0	0	0	0	0	0	0	0	0	0	0	0	10	MS	0	0

HEXAPHONIC TRIDEE	HT →	NV	NV	N9	N9	N6	MS	0	MS	N4	N4	MS	NV	N6	N8	0	10	10	N9
TETRAPHONIC 3D	TP →	NV	NV	N9	N9	N6	MS	0	MS	N4	N4	MS	NV	N6	N8	0	10	10	N9
SURROUND FIELD 2D	SF →	10	10	10	10	8	9	0	9	4	4	9	10	8	9	0	10	10	10
SURROUND FIELD 3D	SF →	NV	NV	NV	NV	N6	MS	0	MS	N4	N4	MS	NV	N6	N8	0	10	10	N9
COMPATIQUAD	CQ	Not an encoding matrix

COMPATIBILITY TABLE

PLAYBACK MATRIX SYSTEM → → → → → → → →

RECORDING MATRIX SYSTEM ↓

SCHEIBER AND SANSUI QS

QS, RM →

N
o
t

a

d
e
c
o
d
i
n
g

m
a
t
r
i
x

THE DYNACO DIAMOND

DD →

ELECTRO-VOICE STEREO 4

EV →

DYNAQUAD

DQ →

CBS SQ

SQ →

CBS SQ 10-40 BLEND

SB →

DENON UMX (UNIFORM MATRIX)

UM →

ELECTRO VOICE UNIVERSAL

EU →

BBC MATRIX H

HM →

BBC MATRIX H REVERSED

HR →

UNIQUAD EQUAL SEPARATION

UQ →

DOLBY SURROUND

DS →

CIRCLESURROUND

CS →

DENON BHJ AND UHJ

UJ →

PHASE LOCATION

PL →

HEXAPHONIC TRIDEE

HT →

TETRAPHONIC 3D

TP →

SURROUND FIELD 2D

SF →

SURROUND FIELD 3D

SF →

COMPATIQUAD

Not an encoding matrix

Key:

NORMAL USE	PERFORMANCE MEANING	SCORE	NO VERTICAL	PERFORMANCE MEANING
10	Perfect compatibility	100%	NV	Perfect without vertical
9	Very good compatibility	90%	N9	Very good, no vertical
8	Good compatibility	80%	N8	Good, no vertical
6	Fair compatibility	60%	N6	Fair without vertical
4	Poor compatibility	40%	N4	Poor without vertical
0	No compatibility	0%
MS	Move Speakers to use	Place speakers in different places for this matrix.

NORMAL USE

PERFORMANCE MEANING

SCORE

NO VERTICAL

PERFORMANCE MEANING

Perfect compatibility

100%

Perfect without vertical

Very good compatibility

90%

Very good, no vertical

Good compatibility

80%

Good, no vertical

Fair compatibility

60%

Fair without vertical

Poor compatibility

40%

Poor without vertical

No compatibility

Move Speakers to use

Place speakers in different places for this matrix.

Moving Speakers as Indicated in the Table:

RECORD MATRIX	MATRIX DECODERS	LEFT FRONT	RIGHT FRONT	LEFT BACK	RIGHT BACK
SQ, SB	CS	10:30	1:30	4:30	7:30
UQ, EU	CS	10:30	1:30	4:30	7:30
UM	SQ, SB	9:30	2:30	12:00 R	6:00
UM	UQ, EU	9:30	2:30	12:00 R	6:00
UM	CQ	9:30	2:30	12:00 R	6:00
UM	CS	9:30	2:30	6:00	12:00
CS	SQ, SB	10:30	1:30	4:30	7:30
CS	UQ, EU	10:30	1:30	4:30	7:30
HT, TP	SQ, SB	9:30	2:30	6:00 L	6:00 H
HT, TP	UQ, EU	9:30	2:30	6:00 L	6:00 H
HT, TP	CQ	9:30	2:30	7:00 L	5:00 H
HT, TP	CS	9:30	2:30	6:00 H	6:00 L

Listener is facing the 12:00 position.

3-D decoder speaker positions not shown.

Links:

QUADRAPHONIC AND SURROUND INDEX PAGE

QUADRAPHONIC SYSTEMS

QUADRAPHONICS