Description

HX108-2 seven-tube input and output superheterodyn e AM radio Receiver diy kit Description HX108-2 seven-tube semiconductor radio kit Features: Secondary center amplifier standard circuit; The center perimeter has been tuned at 465KHz Shell plastic is new material, never use back material. Circuits at all levels have IC test port. Circuit diagram, assembly diagram, another parts list, process documents complete. Volume: 115× 65×25 Frequency range: 525-1605KHz Output power: 100mw Power supply: 3V Circuit Principle Introduction: 108-2 type 7-tube semiconductor radio's main performance for the frequency range: 525~1605KHZ; output power: 100mW (maximum); speaker: φ57mm, 8Ω; power supply: 3V (No. 5 batteries two); Volume: 122 × 66 × 26. electrical schematic diagram as shown in Figure 2.1 attached. As can be seen from the figure, the whole machine contains seven transistors, so it is called 7-tube radio. Among them, transistor V1 is the frequency converter tube, V2, V3 is the center amplifier tube, V4 is the detector tube, V5 is the low-frequency preamplifier tube, V6, V7 is the low-frequency amplifier tube. package ： 1pcx HX108-2 seven-tube input and output superheterodyne AM radio Receiver diy kit If you have any questions, please contact us in time, we will help you deal with the problem for the first time. Shipping Item will be shipped within 24 -48 hours after full payment is received. Normally the shippment to worldwide is used to take 15 to 30 business days, exclude Sat & Sun. Payment Payment must be received in 7 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in ebay note when you pay the order. Any special request cannot be accepted after 24 hours of payment,because most of orders will be processed instantly and same day dispatched. Contact Us If you have any questions, please feel free to email our servicer ，and we will reply you ASAP. If no response within 24 Hours, please check the spam of mail box or kindly re-send it to us. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact. If you haven't received item in 45 days, please contact us and we will arrange refund or resend Feedback We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply your email as soon as possible, please kindly allow 24 hours(working day) for us to response. Thank you. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact. On Nov 3, 2023 at 08:20:21 PDT, seller added the following information: