Rear Panel View; Rear Panel Description - B&K Reference 4420 Owner's Manual

1. AC fuse holder
2. AC Input receptacle
3. Speaker outputs
4. Balanced inputs
1. AC fuse holder -
2. AC Input receptacle - For attaching the supplied AC power cord to the
3. Speaker outputs -
5. RCA inputs (unbalanced)
6. Level controls **
7. Amplifier control muting input/output
Holds the AC Line fuse. This fuse is an 12 Amp / 250 Volt
Slow Blow fuse. Replace with same type and value fuse
only.
amplifier.
For connecting the speakers to the amplifier. Explained
further on page 7.
Page 4