Federal

AM-864/U

Dynamics

Main Details
Maker Federal Company
Function
Channels/Tracks
  • 1 × Channel
Form Factor 19" Rackmount
Signal Path Analog Hardware
Made In USA
Date Produced 1954 - 1963(?)
Dimensions height 7" depth 8¾"
Weight 25 lbs
Power Source 115 V / 220 V AC, 50-60 cy, 30 W
Frequency Response 100 - 5000 cy
Notes Input Impedance: 600 ohm
Output Impedance: 600 ohm
Gain: max 36db
Distortion: less than 2% @ 400, 1000 & 5000 cps
Attack time: 5 ms
Recovery time: 2 s
Noise level 40 db below 6 mw

TUBES: 6SK7, 6SN7GT, 6SQ7, 5Y3GT
Connections
input
Connector: Terminal Block
output
Connector: Terminal Block
Controls
Parameter: ON/OFF
Control Type: Toggle Switch
Parameter: ATT/OUT
Control Type: Toggle Switch
Parameter: Attenuator control
Control Type: Rotary Pot

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