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Schweizer Nationalphonothek
Fonoteca Naziunala Svizra
Swiss National Sound Archives
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Our activities > Provisions > Conditioning

Conditioning

The term "conditioning" refers to the washing or cleaning of an original audio carriers, the repair or replacement of its covers and any action taken to stabilize its physical conditions, thus halting or delaying its degradation.

Conditioning methods are usually not invasive. In some specific cases, however, it is necessary to use methods that do alter the internal structure of the original audio carriers irreversibly to allow its reproduction.

Indicative calculation of the time necessary in relation to the duration of a document and all-inclusive costs for the more common conditioning operations:

Operation
Multiplication
factor
Average
total duration
Average time required
(manpower)
Rewinding of a tape in good condition x 0.25 - . - Depending on the length of the tape
Rewinding of a tape in poor condition x 0.5 - 2.5 - . - Depending on the length of the tape

Washing of 78 rpm/discs

Ultrasonic (20 discs each time) Ultrasonic (10 discs each time) Keith Monks (1 disc each time)
Unit price CHF 4.55 Unit price CHF 7.-- Unit price CHF 9.70

Washing of LP / S discs

Ultrasonic (20 discs each time) Ultrasonic (10 discs each time) Keith Monks (1 disc each time)
Unit price CHF 2.95 Unit price CHF 5.35 Unit price CHF 8.10

Treatment of sticky tapes (sticky shred syndrome)

1 tape each time 100 tapes each time
Unit price CHF 12.-- Unit price CHF 10.--

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Tel. +41 91 961 64 00, Fax +41 91 961 64 39, office@fonoteca.ch
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