15
LPE-2
London
up to LL846
500 or 750
-10.5
London FFRR
1949-
250 or 280
-5
Lyrichord
early
400 or COL*
-16
newer
629
-16
Mercury
thru 10/54
400
-12
MGM
500
0 or -12
Montilla
500
-12
Musicraft
750
-14
“NAB”
standard
500
-16
New Records
750
-16
Nocturne
400
-12
Oceanic
COL* or 750
-16
Odeon
early electricals
700
0
Odeon
pre-1947
300
-8.5
Oiseau-Lyre
thru 1954
COL*
-8.5
Okeh
electricals
300
0 or -8.5
Oriole
inconsistent, adjust as required
Orthoacoustic Transcriptions
500
-16
Overtone
400 or 500
-16
Oxford
750
-16
Pacific Jazz
400
-12
Parlophone
varies with era
300 or 500
0 or –8.5
Pathe
inconsistent, adjust as required
Period
500
-16
Polydor
300
-8.5
Philharmonia
400
-12
Polymusic
500
-16
Ploymusic
binaural inside band
500
0
RCA Victor
early acoustics 71.29 RPM
0
0
later acoustics 76.59 RPM
0
0
1925 78 RPM
250 or 300
0 or -5
1931 LP only
700 or 800
0 to –10.5
1933
375
-8.5
1935
300 or 500
0
1938
500
-5
1938 – 1948
500
0 to -12
1948
500
-10.5
1949-
500
-12 or -13
Rachmoninoff Society
750
-16
Radiofunken
400
0
Remington
500
-16
Renaissance
750
-12
“RIAA”
standard
500
-13.7
Riverside
400
-12
Romeo
inconsistent, adjust as required
Schirmer
1000
-24
Stradivari
750
-16
Supraphone
400
0
Technicord
800
-12