David Hafler
Designer 14
| Title | Function | Dates_produced | |
|---|---|---|---|
 | A-25 | Speaker | 1968-1974 |
 | A-25 Mk II (Rev. 1) | Speaker | 197? |
 | A-25 Mk II (Rev. 2) | Speaker | 1978 |
 | A-25XL | Speaker | 1974-197? |
 | A-25XS | Speaker | 1971-1972 |
 | A-25XS (Rev. 2) | Speaker | 1972 |
 | A-25XS (Rev. 3) | Speaker | 1973-1975 |
 | A-30XL | Speaker | 1978 |
 | A-40XL | Speaker | 1974-197? |
 | PAM-1 | Amplifier, Pre | 1958 |
 | PAM-1 (Rev. 2) | Amplifier, Pre | 196? |
 | PAM-1/A | Amplifier, Pre | 1958 |
 | PAM-1/A (Rev. 2) | Amplifier, Pre | 196? |
 | Preamplifier | Amplifier, Pre | 1957 |