kaolanhon Master from the two parallel TDA7293 fever amplifier board mono 140W

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Model Number
TDA7293
Package
Yes
Channels
1
Brand Name
kaolanhon
Maximum Power Per Channel
131-200W


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product description:
 
 
Size: Length 80mm Width 70mm Height 34mm
 
Power: 2 * 140W (typical)
 
Impedance: 4 ~ 8Ω
 
Power supply: ± 30V ~ ± 60V recommended ± 50V
 
A TYPES: Mono parts (need their own welding)
 
B TYPES: Mono finished board
 
Master and slave two parallel TDA7293 fever amplifier board
 
* Master and slave two - a greater drive capability, which believe
that many enthusiasts know, TDA7293 chip parallel use,
enhanced the ability to promote (equivalent to discrete power
amplifier in parallel power tube in parallel), the sound quality is
more delicate, a certain degree On the increase in the low
frequency effect and the overall dynamic;
 
But not to say that the chip in parallel as possible, on the contrary,
the more parallel chips, treble more hairy, lost the "bile" to talk about
what round and delicate.
 
(* Master-slave two - greater drive capability), scientific design layout,
exquisite small (see below), easy to assemble and use
 
Materials used in the picture, the new authentic TDA7293 chip
(leave a compensable ten), the signal coupling using WIMA
(dismantling parts), Panasonic / Philips / Nicky Kang / Sweden EVOX and other capacitors.
 
Power supply requirements and output power
Maximum operating voltage: ± 50V, the proposed
transformer power (mono): 150W or more
 
Vs = ± 45V; RL = 8Ω; THD = 10%; 140W
 
Vs = ± 30V; RL = 4Ω; THD = 10%; 110W
 
Novice must read: This board needs to meet the power
board and install the radiator to put into use, if unknown,
please consult dispensers, thank you!
 
 
 
PHOTO   LIST:
 
 
 
 
 
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Aftermarket commitments:
1, Our commitment to the sale of goods 100% integrity assurance, if
you have any question for the products, please contact us directly,
our basically 24-hour online customer service will patiently answer you!
2, If you are not satisfied with our products, you can request a refund or exchange.
We will actively coordinate and process your request. If the
product does not work, we will full refund.
But require the buyer to return the product by advanced freight, we
will refund the freight you pay after getting and confirming the product status.
On the sign:
Please carry out inspection before you sign to check the
number of parts shortages or discrepancies, etc.;
If so, please contact us at the contact details on the express orders.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).