Planet Audio BB350.1, BB650.1, BB1250.1 User Manual

Pourer

Supplq

Fully

regulated.

Pulse-Width Mod~ilatcd

power

supply

assures

constan!

power

delivery

at

all

hattcry

volrrycs

betwcen

I

i.5~

and

14.4~

Optically-isolated

(Tron~

intcrnal

n~iiplilier

circuitry) remote input

Custnrn

desigr~ed,

rnulti

tilar-wound

power

transfurmers

6:

High-cutrent

MOSFETS

in

the

push-pull

output

srage

Multiple

byp~ss

capacitors

on

the

i~lcorni

tcd

circuit

card

to

wducc

inductance

&

drive

from

th

-

-7

we

losses

in

seconda~

L

$

SFETS

te

regulator

and

P

,.,.ling

DC

pmtection,

an

audio

out~ut

stape

-

shorted

and

mismatched

:;at

8UC

supply

failure

in

the

even(

thar

the

Audio

Amplifiers:

Preamp

Circuits

y

Fronr

end

preamplifiers

accept

up

to

8

volts

of

signal

inpul

Low

psss

crossover

features

a

24dB/wtave

slope

High

pass

subsonic

filter

crossover

features

a

24dBlwtavc

slopt

k

Phase

control

for

time

alignment

of

speakers,

permitting

adjustments

to

compensate

for

less

than

ideal

spcalrcr

plrccmcnl

I