Oceana A100 Audio Power Amplifier

Components and Parts Lists

The components and parts listed here are for one channel only, as the A100 is a mono-block design. They are listed exactly as they appear in the schematic sheets. No responsibility is taken for errors or omissions.

On this page...

[Oceana A100 Contents]


Numbered components list

Resistors

Unless noted, all resistors are 0.25W, 1%, Metal Film.

Sheet 3

R1..2    200R, trimpot, 25 turn
R3..6    4K7
R7..8    150R
R9..12   470R
R13..14  6K2
R15..16  200R, trimpot, 25 turn
R17..18  1K2
R19..20  9K1
R21..24  3K
R25..26  11K
R27..28  10R
R29..30  22K

Sheet 2

R31..38  240 milli ohm, 2W, wire wound, hand made
R39..46  22R
R47..48  500R, trimpot, 25 turn

Sheet 1

R49      10R, 1W, 5%, carbon
R50..51  3K3, 1W, 5%, carbon

Sheet 4

R52..56  22K
R57..60  100R
R61      1K
R62      2K2
R63      2K7
R64      390R
R65      500R, trimpot, 25 turn
R66      680
R67      1M
R68      1K
R69      500R, trimpot, 25 turn
R70..71  47R
R72..79  500 milli ohm, 2W, wire wound, hand made
R80      10R, 1W, 5%, carbon

Capacitors

MKT = Metallised Polyester
MKP = Metallised Polypropylene

Sheet 3

C1..2    1000uF, 25V, Electrolytic
C3..4    220uF, 16V, Electrolytic
C5..8    150nF, 63V, MKT
C9..10   56pF, 50V, Polystyrene
C11      unallocated
C12..13  47uF, 50V, Electrolytic, Bipolar
C14      470nF, 50V, MKT
C15..16  10uF, 50V, Electrolytic, Long Life, Low Leakage

Sheet 2

C17..18  330nF, 100V, MKT
C19..20  100uF, 63V, Electrolytic, Long Life, Low Leakage

Sheet 1

C21..22  330nF, 100V, MKT
C23..26  10000uF, 63V, Electrolyic (Sprague)

Sheet 4

C27..28  100uF, 63V, Electrolytic, Long Life, Low Leakage
C29..32  150nF, 63V, MKT
C33      100nF, 100V, MKT
C34      330pF, 50V, Polystyrene
C35      470nF, 63V, MKT
C36      10nF, 630V, MKP (Wondercap)
C37      1.5uF, 400V, MKP (Wima)
C38      47nF, 250V, MKT

Semiconductors

Unless noted, all semiconductors are transistors.

Sheet 3

Q1..2    BC640
Q3..4    BC639
Q5..6    BC557
Q7..8    BC547
Q9..12   1N4148, small signal diode
Q13..14  NE5534AN, bipolar operational amplifier, 8 pin mini-DIP IC
Q15      W04, bridge rectifier, 400V, 1A
Q16      LM7815, voltage regulator IC
Q17      LM7915, voltage regulator IC
Q18      C106D, Silicon Controlled Rectifier
Q19..22  LED, red, 4mm diameter

Sheet 1

Q23      BR400-35, bridge rectifier, 400V, 35A

Sheet 2

Q24..27  MJE3055T, TO220 case
Q28..31  MJE2955T, TO220 case

Sheet 4

Q32..33  1N4148A, small signal diode
Q34      TL071, FET operational amplifier, 8 pin mini-DIP IC
Q35..41  BC639
Q42      BC640
Q43..46  TIP142, Darlington power transistor
Q47..50  TIP147, Darlington power transistor

Other numbered components

Sheet 3

RL1      Mini Relay, 12V 260R coil, DPDT 100V 1A contacts

[Top]


Unnumbered components and parts list

Sheet 1

1  Mains cord & plug
1  3AG fuse holder
1  5A slow blow 3AG fuse
1  DPDT 250V 10A switch
1  500VA Toroid Transfomer, 250V primary, 2 x 40V 6.25A + 2 x 15V 100ma secondaries
1  Mounting hardware
1  Heatsink for Q23 rectifier bridge
1  Cabinet to suit

Sheet 2

2  Heatsinks for Q24..Q27 and Q28..31
   Conrad MF20-165 (0.26 degC/Watt) available from
   Powertrans Engineering Pty Ltd, 36 Victoria St,
   Brunswick East  VIC 3057, Australia, Ph (03) 9380 2500
1  Mounting hardware & terminals for J, R and N

Sheet 3

1  Printed cicuit board to suit

Sheet 4

1  Printed cicuit board to suit
2  Heatsinks for Q43..46 and Q47..50
1  Mounting hardware & terminals for + & - Output
1  RCA panel socket

[Top]


Complete components and parts list

Resistors

0.25W, 1%, Metal film.
1        1M
7        22K
2        11K
2        9K1
2        6K2
4        4K7
4        3K
1        2K7
1        2K2
2        1K2
2        1K
1        680R
4        470R
1        390R
2        150R
2        100R
2        47R
8        22R
2        10R

Other resistors

4        500R, trimpot, 25 turn
4        200R, trimpot, 25 turn

2        3K3, 1W, 5%, carbon
2        10R, 1W, 5%, carbon

8        500 milli ohm, 2W, wire wound, hand made
8        240 milli ohm, 2W, wire wound, hand made

Capacitors

4        10000uF, 63V, Electrolyic (Sprague)
2        1000uF, 25V, Electrolytic
2        220uF, 16V, Electrolytic
4        100uF, 63V, Electrolytic, Long Life, Low Leakage
2        47uF, 50V, Electrolytic, Bipolar
2        10uF, 50V, Electrolytic, Long Life, Low Leakage

1        470nF, 63V, MKT
1        470nF, 50V, MKT
4        330nF, 100V, MKT
8        150nF, 63V, MKT
1        100nF, 100V, MKT
1        47nF, 250V, MKT

1        1.5uF, 400V, MKP (Wima)
1        10nF, 630V, MKP (Wondercap)

1        330pF, 50V, Polystyrene
2        56pF, 50V, Polystyrene

Semiconductors

Unless noted, all semiconductors are transistors.
4        TIP142, Darlington power transistor
4        TIP147, Darlington power transistor
4        MJE3055T, TO220 case
4        MJE2955T, TO220 case
3        BC640
9        BC639
2        BC557
2        BC547

6        1N4148, small signal diode
2        NE5534AN, operational amplifier, 8 pin mini-DIP IC
1        TL071, FET operational amplifier, 8 pin mini-DIP IC
1        BR400-35, bridge rectifier, 400V, 35A
1        W04, bridge rectifier, 400V, 1A
1        LM7815, voltage regulator IC
1        LM7915, voltage regulator IC
1        C106D, Silicon Controlled Rectifier
4        LED, red, 4mm diameter

Other numbered components

1        Mini Relay, 12V 260R coil, DPDT 100V 1A contacts

Other parts

1  Mains cord & plug
1  3AG fuse holder
1  5A slow blow 3AG fuse
1  DPDT 250V 10A switch
1  500VA Toroid Transfomer, 250V primary, 2 x 40V 6.25A + 2 x 15V 100ma secondaries
1  Mounting hardware
1  Heatsink for Q23 rectifier bridge
2  Heatsinks for Q24..Q27 and Q28..31, Conrad MF20-165
1  Mounting hardware & terminals for J, R and N
1  Printed cicuit board to suit sheet 3 
1  Printed cicuit board to suit sheet 4
2  Heatsinks for Q43..46 and Q47..50
1  Mounting hardware & terminals for + & - Output
1  RCA panel socket
[Top]
© Glenn Baddeley 2000.
http://home.pacific.net.au/~gnb/audio/a100comp.html was last updated 18 January 2000.
Report problems and send comments to Glenn Baddeley.