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Castanet Headphone Amplifier Kit Manual
4
2 Parts to Buy
Modifications
If you build using the stock chassis, a really nice upgrade is to buy pre-made front and
rear panels from
www.frontpanelexpress.com
(download files from
www.hagtech.com
). Another potential change is to replace the three 3.3uF film
capacitors with Hovland 3.0uF 200V capacitors from AES (#C-H3-200), although this
may not necessarily be a sonic upgrade. Alternately, you can add smaller bypass films to
these, such as your favorite audiophile 0.01uF to 0.1uF capacitor.
Parts List
Parts should be ordered directly from
www.digikey.com
,
www.tubesandmore.com
(AES),
www.mouser.com
, and
www.newsensor.com
.
Component
Qty DigiKey
References
100uF 350V
4
P5938-ND
C4x, C5x
470uF 25V
2
P13124-ND
C9x
3.3uF 600V
3
338-1141-ND
C7, C10x
1uF 63V
4
BC2076-ND
C2, C3, C8x
10nF 250Vac
1
P11423CT-ND
C1
LED, Y panel
2
L10057-ND
D1, D2
LED, Y
1
L20167-ND
D5
Diode 2
UF4007CT-ND
D3,
D4
Switch, power
1
EG1026-ND
S1
Switch, cap
1
EG1099-ND
Pot, volume
1
P2T3503-ND
R10
Knob 1
226-3131-ND
Ac input
1
Q219-ND
J1
Power cord
1
Q102-ND
Fuse 0.5A
5*
F2632-ND
F1
Heat sink
1
HS372-ND
22R2W 2
22W-2-ND R1,
R2
47k 2W
2
47KW-2-ND
R8, R9
1R0 1/2W
10* 1.0H-ND
R5x, R6x
300 1/2W
10* 300H-ND
R3, R4, R11x, R12x
1k 1/2W
5*
1.0KH-ND
R7x
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