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AB 1 PZ6/Z40layout
Part 1: Complete Systems
AB 25w stereo amplifier using PZG
Shopping list
Z.40
Project 80 Preamplifier
A F U ( o p t i o n a l )
PZ6 lor PZ5)
C a b i n e t , m e t a l , 1 9 " x 6 " x 2 " a p p r o x
3
5 p i n 1 8 0 " ( A t y p e ) D I N s o c k e t s a n d p l u g s
2
2 p i n D I N s p e a k e r s o c k e t s a n d p l u g s
1
2 pole mains switch (toggle type)
1
M i n i a t u r e p a n e l m o u n t i n g f u s e h o l d e r
1
C a b l e c l a m p ( f o r m a i n s c a b l e )
2
H e a t s i n k b l o c k s ( f o r 2 4 0 m o u n t i n g )
1
R e s i s t o r ( 1 2 0 O l w ) f o r t u n e r + v e f e e d ( P Z 6 o n l v ) ( s e e n o r e 2 )
22
684 x %
"
screws (see note 1 )
1 8
6 B A n u t s
1
6BA %
"
screw (for earth point)
6
6 8 4 s o l d e r t a g s
1 yd stereo microphone cable
1 y d s t e r e o m i c r o p h o n e c a b l e
3 vds assorted colours flexible wire
as required: 3 core mains cable
S u i t a b l e c a b i n e t s a r e a v a i l a b l e f r o m : H L S m i t h & C o m p a n y
278 Edgware Road
London W2
( P l a i n a l u m i n i u m c h a s s i s , u n d r i l l e d )
N S M H C S a l e s L i m i t e d
( N a t i o n a l S o c i e t y f o r M e n t a l l y
H a n d i c a p p e d C h i l d r e n )
1 7 P e m b r o k e S o u a r e
London W24EP
( A l u m i n i u m c h a s s i s w i t h s l i d e - o n w o o d s u r r o u n d )
West Hyde Developments
Limited
Ryefield Crescent
Northwood Hill
M i d d l e s e x H 4 6 1 N N
( B l a c k c a b i n e t w i t h w o o d e n e n d p a n e l s p u n c h e d r e a d y f o r v a r i o u s
c o m b i n a t i o n s o f m o d u l e s )
West Hyde can also supply all hardware, etc., to suit their cabinets
o r y o u r l o c a l s h o p s h o u l d b e a b l e t o s u p p l y a l l t h e r e q u i r e d i t e m s .
AB3 Notes
l .
T h e Z 4 0 s a r e m o u n t e d o n h e a t s i n k b l o c k s a s s h o w n i n
4 1 . 2 . T h e n u t s a n d b o l t s i n d i c a t e d a b o v e a s s u m e t h a t
b l o c k h a s 6 8 4 t a p p e d h o l e s -
i f y o u u s e n u t a n d
f a s t e n i n g f o r t h e b l o c k s y o u w i l l n e e d 8 l e s s % " s c r e w s
f o u r e x t r a l
"
s c r e w s a n d n u t s l f o r % " b l o c k ) .
2 .
T h e b o x i s w i r e d s o t h a t t h e c o m p l e m e n t a r y t u n e r ( S e c t i o n
A D ) p l u g s i n t o t h e t u n e r s o c k e t a n d d r a w s p o w e r f r o m t h e
amplifier, therefore there is a connection from PZ6 + ve to Pin
4 o n t h e t u n e r s o c k e t t o p r o v i d e h . t . T h i s w i r e s h o u l d o n l y b e
fitted if a tuner is to be used.
The resistor shown in this + ve feed line is not reouired when
a PZ5 is used.
3.
Using a PZ5 instead of the PZ6 will reduce the output power
(see section E4) but will have little other effect except for a
s l i g h t i n c r e a s e i n h u m l e v e l w h e n u s i n g t h e t u n e r , / d e c o d e r .
AC A stereo record player (and
tuner) using PZs
AC 2 Shopping list
2
Z . 4 0
1
Project 80 Preamplifier
1
Project 80 tuner
{
1
Project 80 decoder 1 optional
1
PZs
1
P l i n t h w i t h d e c k
1
1 0 0 p F 2 5 V c a p a c i t o r ( f o r t u n e r a n d d e c o d e r )
1
5 p i n D I N s o c k e t
2
2 p i n D I N s p e a k e r s o c k e t
1
Coax aerial socket
1
P a n e l m o u n t i n g f u s e h o l d e r
1
d o u b l e p o l e m a i n s s w i t c h
1 metre
stereo microphone cable
3 metres assorted colours flexible wire
AB2
2
Iia
t h e
bolt
a n o
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