Heathkit SB-303

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HEATHKIT 85-354-3 PS/BFO Board....*SB 303? $100 Feb 7, 2026

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HEATHKIT 85-353-7 IF/AUDIO BOARD SB 303? $100 Jan 31, 2026

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RARE! New Heathkit SB-303/ SB-313 Bare Extender Circuit Board #85-356 NOS $75 Jan 19, 2026

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Circuit Board out of Heathkit SB303 Ham Radio $5 Jan 6, 2026

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HEATHKIT SB-303 HF RECEIVER Got Good Rx On 20,40,80 CW And SSB DIDNT TRY VHF $175 Nov 26, 2025

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HEATHKIT SB-303 HF RECEIVER Got Good Rx On 20,40,80 CW And SSB DIDNT TRY VHF $300 Nov 18, 2025

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Heathkit SB-303 AF Gain/Power Off control in very good shape and working fine $25 Nov 5, 2025

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ONE New Heathkit 4.65 uH RF Choke #45-39 for SB-110/ SB-303/ IG-5257 SGD 12 Aug 23, 2025

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Heathkit SB-303 Original 3392.1kHz crystal in Excellent shape working fine $15 Aug 13, 2024

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Heathkit SB-303 Original 23.89500mHz crystal in Excellent shape working fine $15 Jun 21, 2024

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Heathkit SB-301 SB-303 SB-313 replacement LAMPS bulbs lights kit set $24 May 13, 2024

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Heathkit SB-303 Receiver Rebuild Restoration Kit New Capacitors Diodes $47 May 8, 2024

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Vintage Ham Radio Heathkit SB-303 Solid State SSB Receiver GRA-70-6 $325 Apr 14, 2024

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Heathkit SB-303 RF Attenuator control in very good shape working fine $20 Oct 7, 2023

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Heathkit SB-303 AGC control in very good shape and working fine $15 Oct 7, 2023

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Heathkit SB-303 FUNCTION control in very good shape and working fine $20 Oct 7, 2023

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Heathkit SB-303 RF Gain/Speaker disable control in very good shape working fine $20 Oct 7, 2023

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Heathkit SB-303 Small plug board 85-349 in Excellent shape $18 Oct 6, 2023

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Heathkit SB-303 restoration kit upgrade recap capacitor fix rebuild $95 Jun 28, 2023

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Heathkit Extender - HW SB-303 / SB-313 Receiver Substitute for Heathkit 85-356 $98 Jan 16, 2022

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New label kit for a Heathkit SB-303 Faceplate CA$6 Jan 2, 2022