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Bottlehead

Full company profile

uuid000vr2i

Namestring
Bottlehead
Legal namestring
Bottlehead
Websiteurl
bottlehead.com
Company typeenum
Private
Founded yearint
1995
Operating statusenum
Operating
Ownership categoryenum
Headcount rangeband
1–10
akta.pro rankint
HeadquartersBainbridge Island, United States
HQ citystring
Bainbridge Island
HQ countrystring
United States
HQ regionstring
North America
Markets served

Serves global market

Offices1 record

Each record includes

City, Country, Type, Description, Source

Keyword5 values
DIY tube amplifiers, headphone amplifier kits, vacuum tube audio, audiophile preamplifiers, power amplifier kits
Industry3 codes
1Hi‑Fi / Audiophile Components (DACs, Amps, Turntables, Streamers)
CodeCRACANAIPrimaryYes
2AV Receivers, Amplifiers & Hi‑Fi Components Retail
CodeCRACAEAEPrimaryNo
3DIY Kits, STEM Electronics & Maker Bundles Retail
CodeCRACAKANPrimaryNo
NAICS code1 code
  • Audio and Video Equipment Manufacturing33431
SIC code1 code
  • Household Audio & Video Equipment3651
Product category
Audiophile DIY Tube Amplifiers
GTM motion1 record

Each record includes

Type, Description, Source

Revenue model4 records
1DIY Tube Amplifier/Preamplifier/Headphone Amplifier Kit Sales
TypeOne Time License
Description

One-time sales of kit products containing all electronic components, transformers, chassis plates, wood bases, tubes, and hardware needed to assemble tube audio equipment. Customers build the kits themselves using provided detailed manuals. Kits range from entry-level to premium, priced from $375 to $5,499 per kit.

bottlehead.com
2Upgrade and Accessory Sales
TypeOne Time License
Description

Separate sales of upgrade kits (Speedball, DC Filament Supply, etc.), accessories (badges, leg kits, power cords), and individual components that customers purchase to enhance or maintain their existing Bottlehead builds.

bottlehead.com
3Factory Assembly Service
TypeProfessional Services
Description

Optional fee-based factory assembly service for customers who want the Bottlehead sound without building the kit themselves. Customers contact Bottlehead to connect with their chief technician for a custom quote.

bottlehead.com
4Gift Cards
TypeOne Time License
Description

Electronic gift cards sold in denominations of $10, $25, $50, $100, $250, and $500, redeemable on the Bottlehead website.

bottlehead.com
Marketing channels6 records

Each record includes

Title, Type, Stage, Description, Source

Distribution channels1 record

Each record includes

Title, Type, Scope, Target buyer, Description, Source

Cost components5 values
Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales
Pricing details5 tiers
1Entry-Level Kits
ModelUnit PricingBilling cadencePay-as-you-go
Notes

Level 1 and 2 difficulty kits including Crack 1.1 OTL Headphone Amplifier at $375.00. Designed for first-time builders.

bottlehead.com
2Mid-Range Kits
ModelUnit PricingBilling cadencePay-as-you-go
Notes

Level 2-3 kits including Crackatwoa at $965.00, SEX 4 for Headphones & Speakers at $885.00, Mainline 1.1 at $1,435.00.

bottlehead.com
3Premium Kits
ModelUnit PricingBilling cadencePay-as-you-go
Notes

High-end amplifiers including Kaiju 300B at $2,145.00 and Paradyne 805A Monoblock at $5,499.00 per pair.

bottlehead.com
4Upgrade Kits
ModelUnit PricingBilling cadencePay-as-you-go
Notes

Speedball upgrade, DC Filament Supply for Kaiju at $195.00, and other performance upgrades.

bottlehead.com
5Gift Cards
ModelUnit PricingBilling cadencePay-as-you-go
Notes

Denominations: $10, $25, $50, $100, $250, $500.

bottlehead.com
GTM typeB2C
B2C
Offering typeHardware or Manufacturing
Hardware or Manufacturing
Core offering1 text field

Bottlehead designs and sells do-it-yourself audiophile-grade vacuum tube amplifier kits, preamplifier kits, and headphone amplifier kits, along with related upgrade and accessory products. Customers assemble the kits themselves using detailed step-by-step manuals. All chassis, wood bases, speaker cabinets, and proprietary transformers are made to order in the USA.

Differentiator
Functional benefit
Problem solved
Quantifiable outcome1 of 2 values shown
  • Cost savings of 50%+ compared to comparable finished audiophile equipment
+1 more record
Product overview1 text field

Bottlehead offers a comprehensive lineup of DIY (do-it-yourself) audiophile tube amplifier kits, preamplifiers, and accessories. The product portfolio centers on vacuum tube-based audio equipment including: headphone amplifiers (Crack, Crackatwoa, Mainline), power amplifiers (Paradyne 805A, Kaiju 300B, SEX 4, Stereomour II), preamplifiers (Moreplay, BeePre 2), and various accessories/upgrade kits. Products are sold as unassembled kits that customers build themselves using detailed step-by-step manuals with photographs. The company emphasizes educational value, community support through forums, and designs that are approachable for first-time builders while satisfying experienced audiophiles. Components are made to order in the USA, including chassis, wood bases, transformers, and Bottlehead badges. The company has been operating since 1995.

Product and service11 records
1Crack 1.1 OTL Headphone Amplifier Kit
CategoryHeadphone Amplifier
Description

Entry-level DIY OTL (Output Transformer-Less) headphone amplifier kit designed for high-impedance headphones (200+ ohms). Targeted at first-time builders with a detailed manual and upgrade potential via the Speedball kit.

2Crackatwoa Headphone Amplifier Kit
CategoryHeadphone Amplifier
Description

Premium DIY headphone amplifier kit and upgraded version of the Crack direct-coupled circuit, with upgraded power supply and built-in Speedball constant current source. Delivers greater dynamic impact, tighter bass, and improved resolution; designed for high-impedance headphones (200+ ohms) such as Sennheiser HD600/650/800 and Beyerdynamic 250/600 ohm models.

3Mainline 1.1 Headphone Amplifier Kit
CategoryHeadphone Amplifier
Description

Bottlehead's flagship DIY headphone amplifier kit with a fully balanced single-ended design, low noise, precision stepped attenuator, and wide dynamic range. Built for top-tier high-impedance headphones including Sennheiser HD800, Focal Utopia, and ZMF.

4SEX 4 Kit for Headphones & Speakers
CategoryPower/Headphone Amplifier
Description

Single-ended triode amplifier kit for both speakers and headphones. Delivers 8WPC in stereo or 16WPC in monoblock configuration, configurable for low or high feedback modes.

5Paradyne 805A Monoblock Amplifier Kit
CategoryPower Amplifier
Description

Bottlehead's most powerful DIY amplifier kit, featuring 805A tubes delivering 35 WPC. Sold as monoblock pairs with one amplifier per kit.

6Kaiju 300B Amplifier Kit
CategoryPower Amplifier
Description

Premium DIY 300B power amplifier kit delivering 8WPC in stereo or 16WPC as monoblocks. Uses parafeed topology for classic triode richness, outstanding clarity, and spacious soundstage. Includes universal power transformer with optional DC filament supply upgrade.

7Stereomour II Stereo Single Ended Integrated 2A3 Amp
CategoryPower Amplifier
Description

Integrated amplifier using 2A3 tubes for warm, classic triode sound.

8DC Filament Supply for Kaiju 300B Amplifier
CategoryAccessories/Upgrade
Description

Regulated DC supply conversion upgrade for AC heated 300B filaments in the Kaiju amplifier. Reduces noise floor for use with sensitive horn speakers.

9Bottlehead Power Cord Kit Assembly
CategoryAccessories
Description

DIY power cord kit with braided Techflex sleeve, IEC plug, and hospital-grade AC wall plug for upgrading amplifier power connections.

10Factory Assembly Service
CategoryService
Description

Optional fee-based factory assembly service for customers who want a finished Bottlehead product without building the kit themselves. Customers contact Bottlehead to connect with the chief technician for a custom quote.

11Bottlehead Gift Card
CategoryGift Card
Description

Electronic gift cards available in denominations of $10, $25, $50, $100, $250, and $500, redeemable on the Bottlehead website.

Scale indicator3 records

Each record includes

Type, Value, Description, Source

Partnership1 partner
Strategic tierMinorTypeStrategic or Co-development Partner
Description

ZMF Headphones is mentioned as a partner company whose headphones are frequently paired with Bottlehead amplifiers. Both companies serve the high-impedance headphone audiophile market. Bottlehead specifically recommends ZMF headphones as ideal pairings for their tube amplifiers.

Recent move6 records

Each record includes

Date, Type, Title, Description, Source

Expansion highlight6 records

Each record includes

Type, Description

Peers10 records
TypeBroad incumbent
Description

High-end audio manufacturer producing finished SET amplifiers, DACs, and speakers; comparable through shared triode tube amp market focus though positioned as premium finished product rather than kits.

2Decware
TypeDirect peer
Description

Steve Deckert's US-based maker of single-ended triode (SET) tube amps and speakers; competes in the same high-impedance headphone and SET amplifier niche as Bottlehead with handmade US production.

TypeBroad incumbent
Description

Long-established manufacturer of tube and solid-state amplifiers, preamps and DACs sharing Bottlehead's tube amp market but selling finished product.

TypeEmerging player
Description

Smaller indie tube amp kit maker focused on point-to-point builds; comparable to Bottlehead in kit format though smaller scale.

5DIY Hifi Supply
TypeDirect peer
Description

Specializes in tube amplifier kits and parts for audiophile DIY builders, including OTL designs, overlapping with Bottlehead's OTL tube kit portfolio.

TypeEmerging player
Description

US maker of tube headphone amplifiers for high-impedance cans, with similar audiophile customer base to Bottlehead though focused on finished rather than kit products.

TypeDirect peer
Description

Japanese retailer and maker of tube audio kits and components; directly competes in the audiophile DIY tube amplifier kit market.

TypeRegional player
Description

European tube audio brand offering amps, turntables and accessories; competes in the high-end tube audiophile segment with geographic distance from Bottlehead's primary US market.

TypeBroad incumbent
Description

Manufacturer of high-end tube preamps, amps and professional audio gear; comparable through the tube amplifier market though Manley focuses on finished professional and audiophile products.

10Elekit
TypeDirect peer
Description

Japanese DIY tube amp kit maker offering entry-to-mid-level kits including TU-8200 and TU-8800; the most direct global counterpart to Bottlehead's DIY audiophile tube amplifier kit model.

Market position
Strengths5 records

Each record includes

Headline, Details, Source

Weaknesses5 records

Each record includes

Headline, Details, Source

Competitive moat5 records

Each record includes

Type, Details

Key risks6 records

Each record includes

Headline, Details, Source

Key highlights7 records

Each record includes

Headline, Details, Source

Customer concentration

Classification, Details

Named customers6 records

Each record includes

Name, Industry, Type, Use case, Source, UUID

Segment2 records

Each record includes

Title, Type, Primary, Description, Pain point addressed, Use case, Source

Ideal customer profile2 records

Each record includes

Profile, Firmographic size, Sales motion, Sales cycle length, Buying structure, Purchase trigger, Buyer persona, Geography, Industry vertical, Primary use case, Description, Pain points, Evidence proof points, Target buyer

Technology focused
Yes
API detail
Has APIbool
No

Docs URL, Description

AI maturity
App detail

Has app

Feature5 records

Each record includes

Title, Differentiator, Description, Source

Core technology
Revenue estimate
Valuation estimate
Number of profiles
No data
No data
Funding overview

Funding stage, Last funding date, Total funding USD

Funding rounds

Each record includes

Round, Amount USD, Date, Pre money valuation, Total investors, Investors, News

Investors

Each record includes

Name, Type, Date of entry, Rounds participated, Website

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Each record includes

Name, Acquisition type, Announced date, Completed date, Status, Website, News

Investment

Each record includes

Name, Round, Announced date, Lead investor, Website, News

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Bottlehead

Audiophile DIY Tube Amplifiersbottlehead.com

Bottlehead firmographics

Firmographics
Name
Bottlehead
Legal name
Bottlehead
Website
https://bottlehead.com
Company type
Private
Founded year
1995
Operating status
Operating
Headcount range
1–10 employees
Ownership category
akta.pro rank

Bottlehead industry classification

Industry
Product category
Audiophile DIY Tube Amplifiers
NAICS
Audio and Video Equipment Manufacturing (33431)
SIC
Household Audio & Video Equipment (3651)
akta.pro primary industry
Hi‑Fi / Audiophile Components (DACs, Amps, Turntables, Streamers) (CRACANAI)
akta.pro secondary industries
AV Receivers, Amplifiers & Hi‑Fi Components Retail (CRACAEAE), DIY Kits, STEM Electronics & Maker Bundles Retail (CRACAKAN)

Keywords

  • DIY tube amplifiers
  • Headphone amplifier kits
  • Vacuum tube audio
  • Audiophile preamplifiers
  • Power amplifier kits

Where Bottlehead is headquartered

Location

Headquarters

HQ city
Bainbridge Island
HQ country
United States
HQ region
North America

Offices1 record

Markets served

Bottlehead business model

Business model
GTM type
B2C
Offering type
Hardware or Manufacturing
Cost components
Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

  1. DIY Tube Amplifier/Preamplifier/Headphone Amplifier Kit Sales: One-time sales of kit products containing all electronic components, transformers, chassis plates, wood bases, tubes, and hardware needed to assemble tube audio equipment. Customers build the kits themselves using provided detailed manuals. Kits range from entry-level to premium, priced from $375 to $5,499 per kit.
  2. Upgrade and Accessory Sales: Separate sales of upgrade kits (Speedball, DC Filament Supply, etc.), accessories (badges, leg kits, power cords), and individual components that customers purchase to enhance or maintain their existing Bottlehead builds.
  3. Factory Assembly Service: Optional fee-based factory assembly service for customers who want the Bottlehead sound without building the kit themselves. Customers contact Bottlehead to connect with their chief technician for a custom quote.
  4. Gift Cards: Electronic gift cards sold in denominations of $10, $25, $50, $100, $250, and $500, redeemable on the Bottlehead website.

Pricing tiers

ModelBillingPrice
Unit PricingPay-as-you-goEntry-Level Kits
Unit PricingPay-as-you-goMid-Range Kits
Unit PricingPay-as-you-goPremium Kits
Unit PricingPay-as-you-goUpgrade Kits
Unit PricingPay-as-you-goGift Cards

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Bottlehead product offering

Product offering

Core offering

Bottlehead designs and sells do-it-yourself audiophile-grade vacuum tube amplifier kits, preamplifier kits, and headphone amplifier kits, along with related upgrade and accessory products. Customers assemble the kits themselves using detailed step-by-step manuals. All chassis, wood bases, speaker cabinets, and proprietary transformers are made to order in the USA.

Product overview

Bottlehead offers a comprehensive lineup of DIY (do-it-yourself) audiophile tube amplifier kits, preamplifiers, and accessories. The product portfolio centers on vacuum tube-based audio equipment including: headphone amplifiers (Crack, Crackatwoa, Mainline), power amplifiers (Paradyne 805A, Kaiju 300B, SEX 4, Stereomour II), preamplifiers (Moreplay, BeePre 2), and various accessories/upgrade kits. Products are sold as unassembled kits that customers build themselves using detailed step-by-step manuals with photographs. The company emphasizes educational value, community support through forums, and designs that are approachable for first-time builders while satisfying experienced audiophiles. Components are made to order in the USA, including chassis, wood bases, transformers, and Bottlehead badges. The company has been operating since 1995.

Differentiator

Problem solved

Functional benefit

Products and services

  • Crack 1.1 OTL Headphone Amplifier Kit Entry-level DIY OTL (Output Transformer-Less) headphone amplifier kit designed for high-impedance headphones (200+ ohms). Targeted at first-time builders with a detailed manual and upgrade potential via the Speedball kit.
  • Crackatwoa Headphone Amplifier Kit Premium DIY headphone amplifier kit and upgraded version of the Crack direct-coupled circuit, with upgraded power supply and built-in Speedball constant current source. Delivers greater dynamic impact, tighter bass, and improved resolution; designed for high-impedance headphones (200+ ohms) such as Sennheiser HD600/650/800 and Beyerdynamic 250/600 ohm models.
  • Mainline 1.1 Headphone Amplifier Kit Bottlehead's flagship DIY headphone amplifier kit with a fully balanced single-ended design, low noise, precision stepped attenuator, and wide dynamic range. Built for top-tier high-impedance headphones including Sennheiser HD800, Focal Utopia, and ZMF.
  • SEX 4 Kit for Headphones & Speakers Single-ended triode amplifier kit for both speakers and headphones. Delivers 8WPC in stereo or 16WPC in monoblock configuration, configurable for low or high feedback modes.
  • Paradyne 805A Monoblock Amplifier Kit Bottlehead's most powerful DIY amplifier kit, featuring 805A tubes delivering 35 WPC. Sold as monoblock pairs with one amplifier per kit.
  • Kaiju 300B Amplifier Kit Premium DIY 300B power amplifier kit delivering 8WPC in stereo or 16WPC as monoblocks. Uses parafeed topology for classic triode richness, outstanding clarity, and spacious soundstage. Includes universal power transformer with optional DC filament supply upgrade.
  • Stereomour II Stereo Single Ended Integrated 2A3 Amp Integrated amplifier using 2A3 tubes for warm, classic triode sound.
  • DC Filament Supply for Kaiju 300B Amplifier Regulated DC supply conversion upgrade for AC heated 300B filaments in the Kaiju amplifier. Reduces noise floor for use with sensitive horn speakers.
  • Bottlehead Power Cord Kit Assembly DIY power cord kit with braided Techflex sleeve, IEC plug, and hospital-grade AC wall plug for upgrading amplifier power connections.
  • Factory Assembly Service Optional fee-based factory assembly service for customers who want a finished Bottlehead product without building the kit themselves. Customers contact Bottlehead to connect with the chief technician for a custom quote.
  • Bottlehead Gift Card Electronic gift cards available in denominations of $10, $25, $50, $100, $250, and $500, redeemable on the Bottlehead website.

Quantifiable outcome

  • Cost savings of 50%+ compared to comparable finished audiophile equipment
  • +1 more outcomes

Companies that use Bottlehead

Customer profile

Named customers6 records

Segments2 records

Ideal customer profiles2 records

Bottlehead technology and API

Technology

Technology focussed Yes

API detail

Has API
No
API docs
API detail

Core technology

AI maturity

App detail

Feature5 records

Bottlehead partnerships and signals

Strategic signal

Partnerships

One partnership is on record.

  • ZMF HeadphonesminorStrategic or Co-development PartnerZMF Headphones is mentioned as a partner company whose headphones are frequently paired with Bottlehead amplifiers. Both companies serve the high-impedance headphone audiophile market. Bottlehead specifically recommends ZMF headphones as ideal pairings for their tube amplifiers.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Bottlehead competitors and assessment

Company assessment

Broad incumbents

  • Audio Note (UK): High-end audio manufacturer producing finished SET amplifiers, DACs, and speakers; comparable through shared triode tube amp market focus though positioned as premium finished product rather than kits.
  • Cary Audio: Long-established manufacturer of tube and solid-state amplifiers, preamps and DACs sharing Bottlehead's tube amp market but selling finished product.
  • Manley Laboratories: Manufacturer of high-end tube preamps, amps and professional audio gear; comparable through the tube amplifier market though Manley focuses on finished professional and audiophile products.

Direct peers

  • Decware: Steve Deckert's US-based maker of single-ended triode (SET) tube amps and speakers; competes in the same high-impedance headphone and SET amplifier niche as Bottlehead with handmade US production.
  • DIY Hifi Supply: Specializes in tube amplifier kits and parts for audiophile DIY builders, including OTL designs, overlapping with Bottlehead's OTL tube kit portfolio.
  • Triode Electronics Club: Japanese retailer and maker of tube audio kits and components; directly competes in the audiophile DIY tube amplifier kit market.
  • Elekit: Japanese DIY tube amp kit maker offering entry-to-mid-level kits including TU-8200 and TU-8800; the most direct global counterpart to Bottlehead's DIY audiophile tube amplifier kit model.

Emerging players

  • Apex Audio Systems: Smaller indie tube amp kit maker focused on point-to-point builds; comparable to Bottlehead in kit format though smaller scale.
  • Woo Audio: US maker of tube headphone amplifiers for high-impedance cans, with similar audiophile customer base to Bottlehead though focused on finished rather than kit products.

Regional players

  • European Audio Team (EAT): European tube audio brand offering amps, turntables and accessories; competes in the high-end tube audiophile segment with geographic distance from Bottlehead's primary US market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Bottlehead social profiles

Digital presence

Bottlehead financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Bottlehead leadership team

Management profile

Number of profiles

Bottlehead funding detail

Funding detail

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

Bottlehead M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Bottlehead

What does Bottlehead do?

Bottlehead designs and sells do-it-yourself audiophile-grade vacuum tube amplifier kits, preamplifier kits, and headphone amplifier kits, along with related upgrade and accessory products. Customers assemble the kits themselves using detailed step-by-step manuals. All chassis, wood bases, speaker cabinets, and proprietary transformers are made to order in the USA.

Is Bottlehead a public or private company?

Bottlehead is a private company. It is classified as management employee owned and is currently operating.

When was Bottlehead founded?

Bottlehead was founded in 1995. It employs 1 to 10 people.

Where is Bottlehead based?

Bottlehead is headquartered in Bainbridge Island, United States, in the North America region.

How does Bottlehead make money?

Four revenue lines are on record. DIY Tube Amplifier/Preamplifier/Headphone Amplifier Kit Sales are the primary driver. The others are upgrade and Accessory Sales, factory Assembly Service and gift Cards.

Who are Bottlehead's main competitors?

Broad incumbents on record are Audio Note (UK), Cary Audio and Manley Laboratories. Direct peers are Decware, DIY Hifi Supply, Triode Electronics Club and Elekit. Emerging players are Apex Audio Systems and Woo Audio. European Audio Team (EAT) is listed as a regional player.

Does Bottlehead have an API?

No public API is recorded for Bottlehead.

What industry is Bottlehead in?

Bottlehead's product category is Audiophile DIY Tube Amplifiers. Its primary akta.pro industry code is CRACANAI, Hi‑Fi / Audiophile Components (DACs, Amps, Turntables, Streamers), with a secondary code of CRACAEAE, AV Receivers, Amplifiers & Hi‑Fi Components Retail. Its NAICS code is 33431 and its SIC code is 3651.

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