THE FISHER SA-1000
Price unknown (around 1964)
Commentary
Professional stereo power amplifier with 8417 pp configuration.
The power amplifier tube 8417 is a 5-pole tube of AB class push-pull connection, and ultra-low distortion rate and Oide power are obtained with fixed bias.
The driver stage uses 6HU8 power amplifier 5-pole tube as 3-connection.
12AX7 is used for pre-driver and phase inverter, connection of pre-dry blower and phase inverter is directly connected, and PK division phase inversion circuit is adopted for phase inverter.
A cathode follower circuit is used for the input stage.
Model Rating
| Type | Bulb type stereo power amplifier |
| Output | 150W |
| Input voltage | 0.7 V ~ 2.75 V |
| Signal-to-noise ratio | 90 dB or more |
| Frequency characteristic | 8 Hz to 48 kHz ± 1 dB |
| Configuration | Vacuum Tube : 9 Pieces Diode : 4 pcs |
| External dimensions | Width 384x Height 197x Depth 305 mm |
| Weight | 31.8kg |