DOA-17 Discrete OpAmp

DOA-17 Discrete OpAmp
DOA-17 Discrete OpAmp
Brand: FiveFish Audio
Product Code: DOA-17
Reward Points: 1
Availability: In Stock
Price: $25.00
Price in reward points: 23

2 or more $23.00
4 or more $22.00
8 or more $21.00

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The DOA-17 is our modern remake of a vintage discrete op amp design, using modern low-noise components and improved layout. It uses the standard discrete opamp 2520/990 footprint… a roughly 1”x1” device with (6) pins, a format commonly found and used in pro-audio gear.

Running at +/-18Volts supply voltage, the DOA-12 is capable of reaching +23dBu output (loaded with a 600:600 output transformer).

If one uses the DOA-17 to drive an output transformer wired for 1:2, it is possible to create high-performance preamplifiers capable of reaching +29dBu output!

Each DOA-17 is designed and tested to be stable, and oscillation-free even at maximum output levels and gain settings due to careful selection of components, efficient PCB layout, design, and construction.

The DOA-17 uses double-sided, plated-through hole PCB with full silkscreen and solder masks, 2oz. copper, .062” thick FR4 boards, 1% Metal Film low noise resistors, C0G NPO capacitors and modern transistors. The two (2) output drivers are beefy, high-performance, hermetically-sealed metal case TO-39 transistors, each capable of dissipating 10 watts!

Specs:

Max. Output = +23dBm (loaded 600R), +/-18VDC
THD+N less than 0.0034%, Vout=0dBm, f=1Khz, BW=30Khz, Unity gain, 600R load
THD+N less than 0.0021%, Vout=+4dBm, f=1Khz, BW=30Khz, Unity gain, 600R load
THD+N less than 0.0016%, Vout=+17dBm, f=1khz, BW=30Khz, Unity gain, 600R load

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