ESOTERIC SOUND Re-Equalizer Manual de usuario descargar pdf (Pagina 11)

MANUFACTURER SPEED BASS (TURNOVER) TREBLE (ROLLOFF)

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Riverside 33 400 -12

Renaissance 33 Lp -12

Stradivari 33 Lp NAB

Supraphone 78 400 FLAT

Technicord 78 800 -12

Telefunken 78 400 -5

Tempo 33 RIAA NAB

Transcriptions(many pre-WWII) 33/78 RIAA FLAT

(vertical-old) 33 300 -5

(vertical-NAB) 33 400 NAB

Transradio 33 Lp NAB

Ultraphone 33/78 400 FLAT

Urania-old (up to XTV20383)(low take nos) 33 Lp NAB

later (<E2KP9607) 33 RIAA -12

late 1954 (>E2KP9607) 33 RIAA RIAA

Vanguard (411-422, 6000-6018, 7001-7011, 33 Lp NAB

8000-8004,(up to XTV20383)

Vox (up to XTV20386), PL8400)# 33 Lp NAB

War Department-Special Services - 12" 33 800 -5

Westminster (EO matrix) 33 800 -8

(up to E2KP9607) 33 RIAA -12

(up to XTV20383)(low take nos) 33 Lp NAB

Victor All See RCA-Victor See RCA-Victor

Vitaphone(motion picture) 33 300 FLAT

Vocalion(electrical) 78 300 FLAT

Western Electric(early transcripions) 33 300 FLAT

Zonophone 78 300 FLAT

(early)* 71.29 300 FLAT

RIAA, Ortho, New Ortho, New NARTB, New All RIAA RIAA

AES used on recordings since 1955

Notes:

* On some recordings with very thin bass, such as 45 rpm EP's and acoustics, 800 or 1000 Hz

Turnover may be used with appropriate rumble filter.

** Sometimes, one side has old matrix number, the other new. There are two Eqs.

*** Only for non-“R” matrix with punched, large-font, raised matrix numbers.

# These are approximate record numbers circa adoption of RIAA

Sources:

Letter from E.C. Forman to John M. Kaar, 1935.

Drawing KRD-1384, from letter of H. I. Reiskind of RCA to John M. Kaar, 12-10-49.

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ESOTERIC SOUND Re-Equalizer Manual de usuario Pagina 11