✔ 100% Money-Back Guarantee on Eligible Items
✔ Prices Displayed in Your Local Currency
✔ Final Price = No Surprise Import Fees
✔ Complimentary Insured Worldwide Shipping on Qualifying Orders
✔ Select Collector & Specialty Pieces May Require Secured Delivery Handling
by G. Randy Slone (Author)
Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product.
THE AUDIOPHILE'S PROJECT SOURCEBOOK
Build audio projects that produce great sound for far less than they cost in the store, with audio hobbyists' favorite writer Randy Slone. In The Audiophile's Project Sourcebook, Slone gives you--
- Clear, illustrated schematics and instructions for high-quality, high-power electronic audio components that you can build at home
- Carefully constructed designs for virtually all standard high-end audio projects, backed by an author who answers his email
- 8 power-amp designs that suit virtually any need
- Instructions for making your own inexpensive testing equipment
- Comprehensible explanations of the electronics at work in the projects you want to construct, spiced with humor and insight into the electronics hobbyist's process
- Complete parts lists
"The Audiophile's Project Sourcebook" is devoid of the hype, superstition, myths, and expensive fanaticism often associated with 'high-end' audio systems. It provides straightforward help in building and understanding top quality audio electronic projects that are based on solid science and produce fantastic sound!
THE PROJECTS YOU WANT, FOR LESS
Balanced input driver/receiver circuits
Signal conditioning techniques
Voltage amplifiers
Preamps for home and stage
Tone controls
Passive and active filters
Parametric filters
Graphic equalizers
Bi-amping and tri-amping filters
Headphone amplifiers
Power amplifiers
Speaker protection systems
Clip detection circuits
Power supplies
Delay circuits
Level indicators
Homemade test equipment
Back Jacket
THE AUDIOPHILE'S PROJECT SOURCEBOOK
Build audio projects that produce great sound for far less than they cost in the store, with audio hobbyists' favorite writer Randy Slone. In The Audiophile's Project Sourcebook, Slone gives you--
- Clear, illustrated schematics and instructions for high-quality, high-power electronic audio components that you can build at home
- Carefully constructed designs for virtually all standard high-end audio projects, backed by an author who answers his email
- 8 power-amp designs that suit virtually any need
- Instructions for making your own inexpensive testing equipment
- Comprehensible explanations of the electronics at work in the projects you want to construct, spiced with humor and insight into the electronics hobbyist's process
- Complete parts lists
"The Audiophile's Project Sourcebook" is devoid of the hype, superstition, myths, and expensive fanaticism often associated with 'high-end' audio systems. It provides straightforward help in building and understanding top quality audio electronic projects that are based on solid science and produce fantastic sound!
THE PROJECTS YOU WANT, FOR LESS
Balanced input driver/receiver circuits
Signal conditioning techniques
Voltage amplifiers
Preamps for home and stage
Tone controls
Passive and active filters
Parametric filters
Graphic equalizers
Bi-amping and tri-amping filters
Headphone amplifiers
Power amplifiers
Speaker protection systems
Clip detection circuits
Power supplies
Delay circuits
Level indicators
Homemade test equipment
Author Biography
G. Randy Slone is an electronics engineer, a consultant, and author of five books, including High-Power Audio Amplifier Construction Manual and The TAB Guide to Understanding Electricity and Electronics. As a process control engineer, his consulting clients have included DuPont, Champion International, and Ralston Purina. A former college instructor, Slone is the owner/operator of SEAL Electronics, and the current senior design engineer for ZUS Audio Inc. He spends much of his time working in his state-of-the-art home electronics laboratory.
- In stock, ready to ship
- ✔ Authenticity Guaranteed — Verified Designer Goods
- ✔ Sourced from Authorized European/U.S. Luxury Distributors
- ✔ Secure Checkout — SSL Encrypted Payments
- ✔ Fast Global Delivery — 3–11 Business Days
- ✔ Easy Returns on Eligible Items
- ✔ 100% Money-Back Guarantee — Full Refund if Not Satisfied
AUTHENTICITY GUARANTEED
Reserved for you — complete your purchase to secure this piece.
OFFICIALLY AUTHORIZED RESELLER
Discover Officially Authorized Authentic Items at STORE7994.com - Certificates Available on Request!
Independently verified for store quality and customer safety.
Trust score: 91/100
All designer items offered by STORE 7994 are sourced from trusted luxury distributors and verified through independent authentication services.
Learn how STORE 7994 authenticates luxury items
Guaranteed Authentic — Includes Brand Documentation & Third-Party Verification Options.
Shipping information
- Free Shipping* on all orders over $300 USD to most countries* Estimated delivery: 2-5 business days Mon-Sat to U.S., CA, EU etc.
- Tracking available: DHL Express
- Store 7994 Shipping policy
- Global delivery in 3–9 business days (location dependent).
- Free Worldwide Shipping $300+. International duties & VAT are calculated by destination country and may be collected upon delivery. UK orders are subject to 20% import VAT upon delivery.

Our innovation isn’t just in the brands we carry — it’s in the way we connect them. From our automation engine that keeps collections globally updated to our commitment to authenticity-first presentation, STORE 7994 exists where timeless design meets modern precision.
Every product we offer is:
Elevated · Intentional · Exclusive · Authentic
STORE 7994 is an authorized reseller of luxury fashion houses. Certificates and proof of authenticity are available to brand owners and partners upon request.
Returns & Refunds
We want you to shop with confidence at STORE 7994. If your purchase does not meet expectations, eligible items may be returned under the conditions below.
Return Eligibility
Items must be unused, unworn, and in original condition with all tags, packaging, and accessories included. Items showing any signs of wear or damage will not be accepted.
Return Window
Return requests must be made within 14 days of delivery.
Return Shipping
Customers are responsible for return shipping costs unless the item is defective, damaged, or incorrect.
Luxury Items
Items valued over $1,000 may be subject to a 7% restocking fee upon approved return.
Non-Returnable Items
For hygiene and product integrity reasons, the following items are final sale once opened or used:
• Underwear
• Fragrances
• Any worn or used items
Made-to-Order Items
Custom-designed products, including STORE 7994 hoodies, are made exclusively for each customer and are final sale. These items are not eligible for return or exchange unless defective or incorrect.
If you receive a defective or incorrect item, please contact us and we will make it right.
International Shipping & Duties
Many of our products ship directly from trusted international partners. Any applicable customs duties or import taxes are calculated at checkout and are non-refundable, even if the item is returned.
Returns & Associated Fees
All approved returns are subject to a $24 return processing fee. For international orders, duties, taxes, and return fees will be deducted from the original payment.
Shipping Policy
Complimentary shipping is offered on orders over $300. Orders below this threshold are subject to standard shipping rates at checkout.
>