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Al Q: Westrex head 1970
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Al Q: Westrex 1972
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Al Q: Telefunken 1974
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Al Q: Teac 90-16 1978
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Al Q: Tascam 1975
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Al Q: Tapco reverb 1976
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Al Q: Studer C-37 1969
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Al Q: Studer A62 1969
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Al Q: Studer 1977
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Al Q: Electro-Sound ES-505 1974
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Al Q: Stephens multitrack 1974
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Al Q: Stephens 40-track
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Al Q: Sony TC-880 1976
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Al Q: Sony TC-766-2
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Al Q: Scully 100 1971
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Al Q: Russco headroom 1974
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Al Q: RCA mics 1970
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Al Q: Quad-Eight TM-499 1974
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Al Q: Norelco Pro-51 1970
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Al Q: Neve CTS 1970
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Al Q: Neve console 1974
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Al Q: Neve 1975
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Al Q: Mercury Eargle Dolby 1970
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Al Q: MCI JH-16 1971
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Al Q: Mastering Lab Stanton 1975
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Al Q: Gauss 1400 1969
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Al Q: Eventide H910 1976
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Al Q: Dokorder 1140 1975
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Al Q: Decca Dolby 1969
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Al Q: Crown 1971