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Cardas Frequency Sweep LP


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Cardas Frequency Sweep LP
The Cardas Frequency Sweep and Burn-in Record is a unique tuning tool for system set-up, diagnostics and maintenance. It was produced by George Cardas and mastered by Stan Ricker. The "Sweeper", in addition to the standard tones, includes relative and absolute polarity checks, vocal channel identification and frequency sweeps that ultrasonically clean the cartridge stylus and degauss the entire system. And, locked, pink noise grooves that repeat endlessly, blank plateaus, even a sync label to check platter speed. All on a 180 gram pressing with a smiling Stan cover.

The Cardas Frequency Sweep and Burn-In Record is a set of tools that audiophiles have requested over the years. The benefits and uses of the "Sweeper" vary because turntables and systems differ, as does the knowledge and tools of the end user.

The most important tools on this record are the Side 1 Frequency Sweeps. These are the degaussing tracks 2a, 2b and 2c. Simply play one of these tracks through your system at a low, normal level and it will degauss the cartridge and the rest of the system, plus clean the stylus ultrasonically. When played, the tracks progress from low frequencies at a high relative amplitude, to high frequencies (35 k+ if played at 45 rpm) at a low level. This is a complete degaussing process and an ultrasonic cleaning of the stylus at the same time. You may hear clicks and pops in the high frequency section after use. This is caused by the accumulation of junk which has fallen off the stylus during ultrasonic cleaning. Clean the record to remove the debris. This is the most efficient and cheapest way I know to degauss your cartridge and system. Basically, it makes a flux buster obsolete.

The sweeps are also useful as room tuning tools for setting up wall and ceiling treatments.

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