Point-to-Point

8 Easy DIY Guitar Tube Amp Mods

September 20, 2015
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Here’s a great article that explains how to mod your tube amp: 8 Guitar-Amp Mods for Newbies.

WARNING! Before you dive in, be aware that tube amps contain lethal (deadly!) voltages of electricity stored in the capacitors, even when unplugged. Do not touch unless you know what you are doing!

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Modified Silvertone Model 1421 Amp – Part One, The Tear Down

December 15, 2012
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The late 60’s and early 70’s Silvertone Model 1421 is a great little tube amp. It’s compact size makes it easy to take to practice, carry to a small venue, perfect for recording, and great for modifying. Here is Part One of a two part series on modifying the Silvertone 1421.

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Sears 10 XL (Silvertone 1421) Guitar Tube Amp

March 22, 2012
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This great little combo tube amp was built by (who?) and sold through Sears and Roebuck in the late 1960’s and early 70’s. It was originally sold as the Silvertone Model #1421, and in later years as the SR 10XL, and lastly as the Sears 10XL. Oh, the photo of this amp looks innocent enough, but, this is one serious sounding tube screamer. And you won’t usually find them as nice as this one!

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Kay 704 Vanguard Reviewed

December 23, 2011
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Share This:As a follow-up to a previous post, we just posted a new review for a 1965 Kay Vanguard 704 amplifier. Check it out here! Kay 704 Vanguard with Vibrato

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A Briefcase Full of Blues

March 28, 2011
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The Kay 704 Vanguard with Vibrato was the world’s first all transistor solid-state guitar amp, introduced by Kay Musical Instruments in 1962. Based on traditional tube amp design of that period, the vacuum tubes were replaced in the hand-wired circuits with seven germanium transistors and four diodes.

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First Solid-State Guitar Amplifier

March 13, 2011

Share This:1965 Kay Vanguard 704 with Vibrato Lucky me! I was looking for a vintage solid-state combo amp to use at practice, and to give my trusty tube Silvertones a rest. Just scored this one off ebay today for cheap! The very first solid-state guitar amp was introduced by Kay Musical Instruments in 1962. Can’t […]

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Review: Sears 5XL Amp (Silvertone 1420)

October 23, 2010
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Vintage sound without the high price. The Sears 5XL is a 5-watt, old school, hand-wired, all tube guitar amp. Lots of midrange growl and smooth overdrive. Great for playing jazz, blues, classic and indie rock. Use as a practice amp or at small venues. Perfect for recording. It has one 8-inch Alnico speaker, one channel, two inputs, and separate volume and tone controls. The cabinet is built from cheap pressed board and the speaker baffle is 1/8-inch thick Masonite. It is clad in an equally cheap, thin green vinyl that stretches and tears easily…

Read the full article. Complete with photos, a video, specs, schematic, and more…

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