tags: mus-407 recording-technology

Blattnerphone

The Blattnerphone is an early [magnetic] [recording] device first inspired by Curt Stille in 1924, who used a wire recorder with signal amplification improvements.

• wire often became tangled, splicing involved knotting ends together

Stille's work licensed by Ludwig Blattner

• Blattnerphone, late 1920s, replacing steel wire with steel tape
• more seamless splicing, but required welding
• one spool: 21 lbs, 20 minutes, >1 mile

Sources

• MUS 407 Recording Technology