Bottlehead Kaiju
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Product
Site
Price
Listed
US Audio Mart
Bottlehead Kaiju 300b tube amplifier
US Audio Mart
$1,700
15%
Oct 24, 2025
- Dec 12, 2025
US Audio Mart
$1,700
15%
Oct 24, 2025 - Dec 12, 2025
US Audio Mart
Bottlehead Kaiju 300B Custom
US Audio Mart
$2,800
Sep 25, 2025
- Sep 28, 2025
US Audio Mart
$2,800
Sep 25, 2025 - Sep 28, 2025
US Audio Mart
Bottlehead Kaiju tube amplifier
US Audio Mart
$1,750
13%
Aug 5, 2025
- Sep 21, 2025
US Audio Mart
$1,750
13%
Aug 5, 2025 - Sep 21, 2025
US Audio Mart
FOR TRADE: Bottlehead Kaiju 300B power amplifier with upgrades and extra tubes
US Audio Mart
$1,700
Aug 2, 2025
- Aug 10, 2025
US Audio Mart
$1,700
Aug 2, 2025 - Aug 10, 2025
US Audio Mart
Bottlehead Kaiju amplifier with tubes
US Audio Mart
$1,700
3%
Feb 2, 2025
- Feb 13, 2025
US Audio Mart
$1,700
3%
Feb 2, 2025 - Feb 13, 2025
US Audio Mart
Bottlehead Kaiju 300B Custom
US Audio Mart
$3,500
Jun 1, 2024
- Jul 10, 2024
US Audio Mart
$3,500
Jun 1, 2024 - Jul 10, 2024
Reddit AVexchange
[WTS] [USA-MA] [H]Bottlehead Kaiju 300b with many upgrades and 2 sets of tubes [W] PayPal / Local Cash
Reddit AVexchange
-
Dec 21, 2023
- Dec 31, 2023
Reddit AVexchange
-
Dec 21, 2023 - Dec 31, 2023
US Audio Mart
Bottlehead Kaiju 300b with many upgrades and 2 sets of tubes
US Audio Mart
$1,700
Dec 21, 2023
- Dec 21, 2023
US Audio Mart
$1,700
Dec 21, 2023 - Dec 21, 2023
US Audio Mart
300B tube Amplifier. Bottlehead Kaiju
US Audio Mart
$2,199
Nov 19, 2023
- Jan 3, 2024
US Audio Mart
$2,199
Nov 19, 2023 - Jan 3, 2024
US Audio Mart
Bottlehead Kaiju with EH Gold 300b's and WE 396a input tubes. Free shipping
US Audio Mart
$1,900
Jun 17, 2023
- Jun 17, 2023
US Audio Mart
$1,900
Jun 17, 2023 - Jun 17, 2023
US Audio Mart
Bottlehead Kaiju with or without Cossor by Linlai Royal Western Electric 300b tubes... Free shipping
US Audio Mart
$2,000
13%
Jun 9, 2023
- Jun 16, 2023
US Audio Mart
$2,000
13%
Jun 9, 2023 - Jun 16, 2023
AudioAsylum
Bottlehead Kaiju
AudioAsylum
$2,200
Nov 20, 2022
- Aug 13, 2023
AudioAsylum
$2,200
Nov 20, 2022 - Aug 13, 2023
AudioAsylum
Bottlehead Kaiju DC filament upgrade/Bottlehead tech built
AudioAsylum
$1,900
Nov 14, 2022
- Jan 11, 2023
AudioAsylum
$1,900
Nov 14, 2022 - Jan 11, 2023
US Audio Mart
Bottlehead Kaiju 300b pick up only in Bay Area
US Audio Mart
$1,600
16%
Nov 5, 2022
- May 4, 2023
US Audio Mart
$1,600
16%
Nov 5, 2022 - May 4, 2023
Reddit AVexchange
[PC] Bottlehead Kaiju 300B with Filament Upgrade
Reddit AVexchange
-
Jul 7, 2022
- Jul 17, 2022
Reddit AVexchange
-
Jul 7, 2022 - Jul 17, 2022
Audiogon
Bottlehead Kaiju Amp and BeePre Preamp - Limited Edition Unbuilt Kits - Just Reduced!
Audiogon
$3,850
4%
Feb 7, 2022
- Mar 10, 2022
Audiogon
$3,850
4%
Feb 7, 2022 - Mar 10, 2022
Audiogon
Bottlehead Kaiju 300B SET w/DC filament upgrade
Audiogon
$1,900
Jan 24, 2022
- Feb 22, 2022
Audiogon
$1,900
Jan 24, 2022 - Feb 22, 2022
US Audio Mart
Bottlehead Kaiju 300b
US Audio Mart
$1,900
Jan 12, 2022
- Feb 24, 2022
US Audio Mart
$1,900
Jan 12, 2022 - Feb 24, 2022
US Audio Mart
Bottlehead Kaiju 300b with Emissions Labs Tubes
US Audio Mart
$2,400
14%
Nov 9, 2021
- Apr 19, 2022
US Audio Mart
$2,400
14%
Nov 9, 2021 - Apr 19, 2022
US Audio Mart
Fully loaded Bottlehead Kaiju 300B SET w/ Upgraded Caps and Royal Princess 300B!
US Audio Mart
$2,000
Nov 5, 2021
- Nov 5, 2021
US Audio Mart
$2,000
Nov 5, 2021 - Nov 5, 2021
US Audio Mart
Bottlehead Kaiju DC filament supply upgrade with high end caps
US Audio Mart
$1,500
Oct 8, 2021
- Oct 16, 2021
US Audio Mart
$1,500
Oct 8, 2021 - Oct 16, 2021
US Audio Mart
Bottlehead Kaiju 300B SET Amplifier (Psvane WE 300B Plus included)
US Audio Mart
$1,700
Aug 23, 2021
- Aug 25, 2021
US Audio Mart
$1,700
Aug 23, 2021 - Aug 25, 2021
US Audio Mart
FOR SALE or TRADE: Bottlehead Kaiju with KR 300B tubes
US Audio Mart
$1,600
Jul 22, 2021
- Sep 25, 2021
US Audio Mart
$1,600
Jul 22, 2021 - Sep 25, 2021
US Audio Mart
FOR SALE or TRADE: Bottlehead Kaiju 300b SET tube amplifier
US Audio Mart
$1,500
149900%
May 31, 2021
- Sep 9, 2021
US Audio Mart
$1,500
149900%
May 31, 2021 - Sep 9, 2021
US Audio Mart
Bottlehead Kaiju 300B SET amp with upgrades, free shipping & no fees!
US Audio Mart
$1,650
Mar 27, 2021
- Mar 31, 2021
US Audio Mart
$1,650
Mar 27, 2021 - Mar 31, 2021
Audiogon
Bottlehead Kaiju 300B Tube Power Amplifier
Audiogon
$2,200
8%
Feb 27, 2021
- Mar 4, 2021
Audiogon
$2,200
8%
Feb 27, 2021 - Mar 4, 2021
Audiogon
Bottlehead Kaiju 300b power amplifier
Audiogon
$1,799
Feb 17, 2021
- Feb 24, 2021
Audiogon
$1,799
Feb 17, 2021 - Feb 24, 2021
Audiogon
Bottlehead Kaiju
Audiogon
$1,995
1%
Nov 18, 2020
- Nov 20, 2020
Audiogon
$1,995
1%
Nov 18, 2020 - Nov 20, 2020
US Audio Mart
Bottlehead Kaiju 300B SET Amp - Tricked out with upgrades!
US Audio Mart
$2,000
Jun 13, 2020
- Jul 20, 2020
US Audio Mart
$2,000
Jun 13, 2020 - Jul 20, 2020
US Audio Mart
Bottlehead Kaiju 300B amplifier
US Audio Mart
$1,800
10%
Sep 17, 2019
- Nov 26, 2019
US Audio Mart
$1,800
10%
Sep 17, 2019 - Nov 26, 2019
AudioAsylum
Bottlehead kaiju 300b set amplifier kit
AudioAsylum
$1,550
14%
Oct 12, 2017
- Nov 26, 2018
AudioAsylum
$1,550
14%
Oct 12, 2017 - Nov 26, 2018
AudioCircle
IC: Bottlehead Kaiju 300B
AudioCircle
-
May 10, 2016
- Jun 17, 2016
AudioCircle
-
May 10, 2016 - Jun 17, 2016
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