1 pair(2 channel) Naim NAC42 single-ended class A preamplifier finished board
Note: this is assembled and tested board.
PCB size: 100*76MM
Works voltage: DC24V
This preamp default gain is 13 times. After replacing the 1k resistor to 2k2, the gain will be smaller, about 6.5 times.
Mono design, can be easily assembled for the dual single-channel pre-class, physically separated by 100%
Naim NAC is a unique preamp circuit, two-stage circuit structure, 0DB buffer then pass volume potentiometer, followed by a siminal pre-Marantz 7 transistor amplifier circuit; lines are single-ended two-stage design, large quiescent current CPI design, coupled with tantalum, ZTX Transistors, the sound warm and soft.
package include: assembled NAC42 preamp board X 2 channel
( Not include the volume Potentiometer and RCA)
Shipping time:
Defaultsend by airmail,about 15-22 business days can arrive most of europe countries,Russia, Brazil,Africa.Ukraine and some other remote countries will need somemore days.
Ifyou need it urgently,also can contact us for adding money using a fastercourier(EMS,DHL,UPS or courier you designated)
Payment:
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All items will be shipped within 1-3 business days (fromchina)upon receipt of payment.
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Return &Exchange:
>>Some items return is accepted within 7 days after the buyer's receiving theitem.(please see the detail describe)[In case of DOA (Dead on Arrival), pleasereport 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 theitem's price ( excluding the shipping costs to and from )