Audio Technica AT 20 SLa specifications

Category : Pickup

Brand : Audio Technica

General

Technical data

Special equipment

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• Manufacturer: Audio Technica
• Model: AT20SLa
< li>Model: AT20SS
• Type: Moving Magnet (MM)
• Years of construction: 1977 ff
• Made in: Japan
• Color: gold/black
• Weight: 8.0 g
• Factory price approx.: 500.00 DM

• Frequency response: 5 - 50,000 Hz (both )
• Channel separation AT20SLa: > 25 dB @ 1 kHz
• Channel separation AT20SS: > 35 dB @ 1 kHz
• Channel balance AT20SLa: < 1.0 dB @ 1 kHz
• Channel balance AT20SS: < 0.75 dB @ 1 kHz
• Output voltage: 2.7mV @ 1 kHz/5.0cm/s (both)
• Termination resistance: > 47 k643961b8da111c0a15d770a1109a86d4 @ 100 -200 pF (100 k643961b8da111c0a15d770a1109a86d4 for CD-4 playback/Quattro)
• Induction AT20SLa: 370 mH
• Induction AT20SS: 450 mH
• Needle type: naked Shibata
• vertical scanning angle: 20°
• Recommended contact force: 10 mN - 20 mn
• Needle compliance: n.a. (there are several different specifications in the network, the original user manual does not mention needle compliance. But it is probably a pickup with a rather higher needle compliance of 25-30 mm / N)

• naked diamond with Shibata needle cut on a tapered needle shank ("tapered cantilever")
• aluminum needle carrier on the AT20SLa, beryllium needle carrier on the AT20SS
• "dual-magnet" construction
• Cast metal housing
• Needle guard in visor form on the needle insert
• Needle inserts: ATN-20 (AT20SLa) or ATN-20SS (AT20SS) are freely interchangeable with each other. The two pickup versions differ only by the needle insertion.
• The Shibata cut of the AT20SLA and the successor AT20SS ("Super Shibata") was originally developed to be able to reproduce the extremely high frequencies of the 4-channel recording.
• The AT20SLa is a hand-selected version of the AT15A for the smoothest possible frequency response, otherwise it corresponds exactly to this technically. The needle inserts are also interchangeable.
• The above information comes from the original operating instructions of AT20SLa and AT20SS

• AT 10
• AT 11 E
• AT 12 E
• AT 12 S
• AT 12 Sa
• AT 12 XE
• AT 13 Ea
• AT 14 Sat
• AT 15 XE
• AT 15 Sat
• AT 15 SS
• AT 20 SS

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