Base On Beyerdynamic A1 Headphone Amplifier Diy Kit Mc33078 Bd139 Bd140 Architecture With Headphone Protect Alps Potentiometer

$94.00
免费送货

Base On Beyerdynamic A1 Headphone Amplifier Diy Kit Mc33078 Bd139 Bd140 Architecture With Headphone Protect Alps Potentiometer

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Base On Beyerdynamic A1 Headphone Amplifier Diy Kit Mc33078 Bd139 Bd140 Architecture With Headphone Protect Alps Potentiometer

  • 品牌: Unbranded
建议零售价： $219.00
价格： $94.00
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$94.00
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描述

Description: It is DIY kit, need assemble to work. Design reference from Beyerdynamic A1 headphone amplifier circuit, can drive 25-600 Ohm headphone. Recommend voltage: Dual AC 12V-18V power 20-30W enough. Assemble tips: 1. Must check all element, not be in the wrong location, opposite direction, not be joined of all back Sn point. 2. MC33078 and all audions not assemble temporary. 3. Test 7812 7912 voltage +/-12V are all ok. 4. After power on and listen to relay close sound, delayed 4-5second. 5. Insert mc33078 andall audions, then test output DC voltage, less than 50mV. Package included: 1 x Headphone Amplifier DIY Kit
  • Fruugo ID: 346141624-757170711
  • EAN: 9070124578472

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CE Mark
安全警告: Important Safety Instructions Read Before Use: Please read all instructions and safety warnings before using this product. Failure to follow these guidelines may result in injury, damage, or malfunction. General Warnings Intended Use: Use this product only for its intended purpose as described in the user manual. Supervision Required: This product is not intended for use by children or persons with reduced physical, sensory, or mental capabilities without supervision. Inspection Before Use: Check for any signs of damage or wear before use. Do not use if damaged.

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