eBay

Description

Updated OPA2604 AD827JN OPAMP Stereo Preamp Pre-amplifier Volume Tone Control Board

Note:The AD827JN is used,but could work well! thank you!

1. The board uses two op amps, left OPA2604, on the right AD827JN (Used).
2. The board adopts a high-precision, lower-temperature floating round audio resistor. A better low-noise design.
3. The board is made of high quality ruby or black diamond electrolytic capacitors.
4. The board uses Siemens audio and positive capacitors.
5. Adopt LM317+LM337 ultra-low ripple voltage regulator circuit, voltage adjustable, high precision, adapt to more fever ceramic seal and gold seal op amp.
6. Both the positive and negative power supplies on the board are displayed. Red: U represents the positive power supply after voltage regulation, and Blue Godin represents the negative power supply.

Instructions for use:

1. Supply voltage: AC dual 15V-20V power supply, it is recommended to use the AC double voltage on the power amplifier ring transformer.

Recommended 15W dual AC15V small ring cattle transformer

2. Audio Wiring: In order to achieve noise-free effect, the audio input and output of the wrench are recommended to be connected using a shielded vertical audio cable to reduce noise.

Size:130*60mm

Package include:
- 1pcs* Updated OPA2604 AD827JN OPAMP Stereo Preamp Pre-amplifier Volume Tone Control Board

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Return Terms

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2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA.
3. We reserve the right to refuse any returns for objective reasons.

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