NORDSTRAND 3B PREAMP

NORDSTRAND 3B PREAMP

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€150.00 Tax included
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NS3BP

MODULE AND POTS ONLY3B
3 band bass preamp with 3 eq pots.

3b preamp specs:

  • Overall gain is +/- 10db by a trim pot on the circuit board.
  • Bass +/- 12db @ 50Hz
  • Treble +/- 12db @4khz
  • Midrange +/- 12db @ 1k with no external capacitors. Add two capacitors as indicated in the table to change the frequency.

400hz is the default second frequency

Frequency

200Hz

300Hz

400Hz

500Hz

600Hz

700Hz

800Hz

900Hz

1khz

To outside lugs of mid pot

68nf

47nf

33nf

22nf

15nf

8.2nf

5.6nf

1.2nf

N/A

To gray leads from circuit board

390nf

190nf

120nf

82nf

56nf

47nf

27nf

12nf

N/A

Battery life is estimated to be around 180 hours for an alkaline 9v. Adding a battery to make it 18v will give more headroom and longer life.

 

NS3BP
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