JFET input Cascoded Buffer Board Preamplifier assembled !

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Product Description
100% Brand New and High Quality
Fever audio buffer preamp board, using the Japanese fever Toshiba FET 2SK246 12SJ103, C2240 /A970 assembled circuit boards.
This board is mainly used after CD player, before the amplifier input, the classic circuit, the performance is very good. Style sound appealing, beautiful voice. Gain 0dB, how much signal input voltage, the output is how much signal voltage, through 2SK246, 2SJ103, C2240, A970 buffer output, can effectively reduce the output impedance, improve the output current, to achieve the purpose of impedance matching, easy to drive the next level. Two-channel design.
±12V~±15V DC power supply. Sided epoxy copper plate HASL process, selection of imported audio fever Toshiba transistors,  high-quality Japanese "KOA" precision resistors, capacitors and other components assembled imports. For effective XJ4810 transistor Tracer tests accurately matched, precision error is small.
Immersion Gold PCB board high-quality, two-sided solder, size 60 x 37mm, 72 pm thick copper foil, thickness 2mm.
PCB Color:
Green or Black
(Random Delivery)
Affirmed: the transistor on the board for second-hand disassemble!
Package Included:
1 x
FET Buffer Preamp Board
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Delivery details
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Payment
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We only accept payment via
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● All major credit cards are accepted through secure payment processor PayPal.
Delivery details
● Items will be shipped within 1~2 business day after payment received.
● Items are shipped from China by Airmail,
delivery time depends on destination and other factors, normally delivery to USA need
7~18 days
,
reach most of the countries within
10~35 business days
. But to Brazil or Africa, it need
35~65days
.
Terms of sales
● All the items will be tested before shipping. Buy them with the confidence!
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and 100% customer satisfaction,
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● For defect or wrong items , please you contact us, We will fully refund or send you a new replacement.
● If you not satisfied with our items, pease contact within 3 days, we will fully refund after get your returned goods.
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● If have any question, Please contact us by ebay message before leaving neutral, negative feedback or open any dispute, we will reply within 24 hours, ensure that help you solve the problem, make you satisfied.
● Business time From
9:30 AM to 21:30 PM(GMT+08)
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JFET input Cascoded Buffer Preamp Board, Main use of Toshiba 2SK246/2SJ103, C2240/A970.