Information

- 6 -
- 7 -
Construction
 R1 : 470 (4 - 7 - 1 - B)
 R2 : 1K (1 - 0 - 2 - B)
 R3 : 1K (1 - 0 - 2 - B)
 R4 : 220K (2 - 2 - 4 - B)
R...
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Basic module
 D1 : 1N4007
Watch the
polarity!
The audio analyzer consist of three parts: the basic module, the display module and the
front panel. If required you can mount this kit into a housing, panel, ...
In this case use the display gap as a marker reference.
First we assemble the basic module.
1 Jumper wire
2 Resistors
 J1
 J2
 J3
 J4
 J5
 J6
 R5 : 33K (3 - 3 - 3 - B)
 R6 : 33K (3 - 3 - 3 - B)
 R7 : 22K (2 - 2 - 3 - B)
 R8 : 750 (7 - 5 - 1 - B)
 R9 : 180K (1 - 8 - 4 - B)
 R10 : 2K2 (2 - 2 - 2 - B)
 R11 : 6K8 (6 - 8 - 2 - B)
 R12 : 6K8 (6 - 8 - 2 - B)
 R13 : 680 (6 - 8 - 1 - B)
 R14 : 3K3 (3 - 3 - 2 - B)
 R15 : 750 (7 - 5 - 1 - B)
 R16 : 5K6 (5 - 6 - 2 - B)
 R17 : 220 (2 - 2 - 1 - B)
 R18 : 22K (2 - 2 - 3 - B)
3 Diode
4 IC-socket
Watch the position of the notch!
 IC1 : 8p
 IC2 : 28p
5 Coil
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 L1 : 4700µH (4 - 7 - 2 - B)
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I. CONSTRUCTION
Specications
- power measurement into 2, 4 or 8 ohms + bridged amp
option
- range: 300mW to 1200W @ 2 ohms
- sensitivity: -34dBu (15.5 mVrms)
- max. input level: 50Vrms @ 220k
- frequency range: 20Hz to 20kHz
- power supply: 12VDC / 75mA
- dimensions:
» display: 128 x 64pixels (46 x 23mm / 1.8 x 0.90”)
» front panel: 98 x 51mm / 3.8 x 2”
» mounting depth: 35mm / 1.37”
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