Our Dynamic Master tab out cassettes use advanced cobalt ferric mix for wide dynamic range and low noise. The Dynamic Master is the most sought after standard bias formula for organizations that put a high premium on voice and music recording. Bulk loaded, without box, labels, or J card. 

Features:

• Type: Sonic (No Screws) Type I Normal Bias Master Audio Cassette
• Packaging: No case or label. Cassettes come in 25 pack boxes.

We do not accept the return of all the custom loaded audio and videotapes. No technical data is available for reference, and we are unable to guarantee a specific dB or frequency (Hz). We only purchase high-performance ferric oxide material formulated for demanding music applications. It meets all the requirements for music recordings.