QRV01 Headphone Amplifier - extreme headphone class A amplifier
SEK 960.00
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Delivered within 7-14 days
A headphone amplifier for ultra high demands. The pcb has two layers. It's an unpopulated pcb. The pcb is out of stock but if you order 3 pcb's I'll order a small batch with boards.
Info here
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Interesting features:
- The pcb fits virtually any single opamp with or without offset trim.
- Room for good coupling caps (if you must or like), both SMD and regular hole mounted, if you are having trouble in finding big SMD caps.
- Input LP-filter if you have problems with RF interference (you should have a filter though).
- Room for DC removal cap (if you need this).
- Crossover distortion reducer for the opamp. This is a popular circuit in the DIY community.
- Current limitation inside the feedback loop (choose the value you like)
- High speed and high performance SMD buffer as output stage.
- Local feedback for stable performance (only if necessary).
- Multiple feedback as an option.
- High quality power supply with large smoothing caps and transformers on the pcb.
- Fits any headphone (except for electrostatic of course).
Data sheet
- Height
- 26 mm, 1.03"
- Width
- 163 mm, 6.4"
- Depth
- 315.0 mm, 12.4"
- Weight
- 168 g
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A headphone amplifier for ultra high demands. The pcb has two layers. It's an unpopulated pcb. The pcb is out of stock but if you order 3 pcb's I'll order a small batch with boards.
Info here