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HOME  >>  PRODUCTS  >>  (Ultimate Ver) EA1 headphone amplifier kit (base Beyerdynamic A1) CL-121
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(Ultimate Ver) EA1 headphone amplifier kit (base Beyerdynamic A1) CL-121
Item ID:141207-HL
List Price:US$17.50
Price:US$17.00
Payment Terms
paypal
Shipping
ship out within 2 working days
Availability
in stock
Quantity: Unit(s)
Description
Product Q & A
Review

(Ultimate Ver) EA1 headphone amplifier kit (base Beyerdynamic A1) CL-121

1: New Zealand Trek's most advanced full-Lok Kwan Yong acoustic headphone plug gold-plated professional equipment to ensure reliable contact point!

2: UPC1237 seat protection, especially expensive headset is very important. Effective way to eliminate the impact of sound, is working with more confidence

3: Use the Panasonic original signal relay protection, minimal contact resistance! The audio signal loss is small.


4: Using ALPS 16 type potentiometer

5:The opamp is MC33078

(
Original machine with the MC33078N is neutral, buyer can put your favorite NE5532, OPA627 (single turn double), OPA2132, OPA2134 op amp, etc..)

6: Power 
Transistors ST BD139.140


The schemaitc is availalbe.



Input Voltage:  Dual AC12-18V

recommned transformer 15W-30W



Note: this is a diy kit. need yourself to solder all the parts. if you need the assembled board.Please check the following link:


http://www.ebay.co.uk/itm/Ultimate-Ver-Assembled-EA1-headphone-amp-board-base-Beyerdynamic-A1-CL-112-/111480079994




Ultimate-Ver-Assembled-EA1-headphone-amp-board-base-Beyerdynamic-A1-CL-112







The following photo just for reference only:



 

Default send by air mail,about 15-22 working days to arrive most of europe countries, or can add money for fast express.

 

 

Payment:

We ONLY accept PayPal. Payment must be made within 3 days of the auction end time. Non-Paying bidders will be reported.

All items will be shipped within 1-3 business days (from china)upon receipt of payment.

We ONLY send item to buyer's registered Paypal address,Buyer must be responsible for their postal address

Customs & duties:For cross-border transactions,.we are not responsible for tariffs and duties. However, buyers may be responsible for  actual, applicable tariffs, and duties as requested by respective country laws

 

Return & Exchange:

>> Some items return is accepted within 7 days after the buyer's receiving the item.(please see the detail describe)[In case of DOA (Dead on Arrival), please report within 3 days]

>> Returned item has to be new, unworn and in its original condition.
>> After getting the returned item, we will refund the customer at the item's price ( excluding the shipping costs to and from )

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