Harmoniz Musical Instruments & Music

by Music Man

Tube Preamp


SainSmart Assembled 6N3 Hifi Buffer Audio Tube Headphone Amplifier Pre-amp Kit with Transformer SainSmart Assembled 6N3 Hifi Buffer Audio Tube Headphone Amplifier Pre-amp Kit with Transformer

List Price: $62.00
Sale Price: $49.38
You save: $12.62 (20%)

 

Description

Introduction 

This tube preamp is based on the famous Matisse circuit, some modifications have
been applied to expand the range of frequency, it sounds smooth and punchy. It's
built up with 2 PCBs, the thickness of the lower main circuit PCB is 2mm which
can avoid damage when replacing tubes, the upper PCB is for shielding and
protection, excellent design!

Features

* Components: Selected 6N3 tube, Panasonic high voltage capacitors, special
ordered high voltage out-couling capacitors, 1% tolerance metal film resistors,
quality sealed mini potentiometers...

Little Dot MK2 MKII 6J1 X2 6N6 X2 Headphone Amp Amplifier Pre-Amp Tube Little Dot MK2 MKII 6J1 X2 6N6 X2 Headphone Amp Amplifier Pre-Amp Tube

List Price: $211.99
Sale Price: $188.99
You save: $23.00 (11%)

 

Description

SEPP (Singled-ended Push Pull) OTL in Class-A Input: Gold-Plated Unbalanced Phono (RCA) Jacks Output: 1/4" Gold-Plated Stereo Headphone out Driver Tubes: 6JI Power Tubes: 6N6 Frequency Response: 20HZ - 50KHz (-1dB) THD+N: 0...

Presonus TubePre v2 Tube Preamplifier DI Box Presonus TubePre v2 Tube Preamplifier DI Box

List Price: $159.95
Sale Price: $88.84
You save: $71.11 (44%)

 

Description

Award-Winning X-MAX preamp design

Vacuum Tube Circuit Design: Guitar Amplifier Preamps, Second Edition Vacuum Tube Circuit Design: Guitar Amplifier Preamps, Second Edition

List Price: $49.95
Sale Price: $36.07
You save: $13.88 (28%)

 

Description

An in-depth understanding of preamp circuits is essential to creating a guitar amplifier design that stands out from the crowd. It is here that the designer gets a first crack at setting the amp's gain, frequency response, and distortion limits...

Designing Tube Preamps for Guitar and Bass, 2nd Edition Designing Tube Preamps for Guitar and Bass, 2nd Edition

List Price: $39.00
Sale Price: $37.04
You save: $1.96 (5%)

 

Description

Designing Tube Preamps for Guitar and Bass is the most comprehensive guide to the design of tube-based preamplifiers for musical instrument use, in a single volume. From the input to the phase inverter this book discusses in detail the inner workings and practical design of every part of a conventional guitar preamp, including the use of triodes, pentodes, tone controls, effects loops and much more...

The Tube Amp Book - Deluxe Revised Edition  Book and Disk Package (Hardcover) The Tube Amp Book - Deluxe Revised Edition Book and Disk Package (Hardcover)

List Price: $49.99
Sale Price: $28.27
You save: $21.72 (43%)

 

Description

(Book). Already known as the bible of tubes and tube amps, The Tube Amp Book is now even better! This deluxe revised edition contains 40% new material, with a comprehensive A-Z section covering all the great tube amp manufacturers, with histories, photos and information...

LIMITED STOCK!!! HURRY SALE!!!2p 20x15 Aluminum Preamp CD Player Tube-Amplifier Metal Volume IR AUX 1/4" KNOB in Business LIMITED STOCK!!! HURRY SALE!!!2p 20x15 Aluminum Preamp CD Player Tube-Amplifier Metal Volume IR AUX 1/4" KNOB in Business

Sale Price: $11.99

 

Description

THIS AUCTION IS 2 PIECES BRAND NEW 20x15 Solid Aluminum Preamp CD Tube-AMP Metal Volume/Tone Control KNOB .20mm [ diameter ] x 15mm tallFITS 1/4" SHAFT HOLE -- screw for setting.WELCOME TO ASK ANY QUESTION...

BEST PRICE EVER!!! 2p 20x15 Aluminum Preamp CD Player Tube-Amplifier Metal Volume IR AUX 1/4" KNOB in Business BEST PRICE EVER!!! 2p 20x15 Aluminum Preamp CD Player Tube-Amplifier Metal Volume IR AUX 1/4" KNOB in Business

Sale Price: $9.35

 

Description

THIS AUCTION IS 2 PIECES BRAND NEW 20x15 Solid Aluminum Preamp CD Tube-AMP Metal Volume/Tone Control KNOB .20mm [ diameter ] x 15mm tallFITS 1/4" SHAFT HOLE -- screw for setting.WELCOME TO ASK ANY QUESTION...

HOT SALE!!! BARGAIN PRICE!!! 2p 20x15 Aluminum Preamp CD Player Tube-Amplifier Metal Volume IR AUX 1/4" KNOB in Business HOT SALE!!! BARGAIN PRICE!!! 2p 20x15 Aluminum Preamp CD Player Tube-Amplifier Metal Volume IR AUX 1/4" KNOB in Business

Sale Price: $10.19

 

Description

THIS AUCTION IS 2 PIECES BRAND NEW 20x15 Solid Aluminum Preamp CD Tube-AMP Metal Volume/Tone Control KNOB .20mm [ diameter ] x 15mm tallFITS 1/4" SHAFT HOLE -- screw for setting.WELCOME TO ASK ANY QUESTION...

FENDER GROOVE TUBES THE BRICK TUBE PRE-AMP FENDER GROOVE TUBES THE BRICK TUBE PRE-AMP

List Price: $499.99
Sale Price: $318.48
You save: $181.51 (36%)

 

Description

Groove Tubes 931-2003-000 The Brick Tube Microphone and Instrument Pre-Amplifier



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Know the Inside and Outside of a Vortex Tube

A Vortex Tube is T-shape, almost like a pipe but with a side nozzle, through which compressed air enters. The term 'vortex' refers to the air's spinning motion, akin to a whirlpool or tornado, when it passes through. The resistant pressure of the nozzle causes an increase in the speed of this vortex. As it reaches the junction, the cold stream separates from the hot stream, exiting respectively at both ends of the tube. It was first discovered in the 1920's, but it wasn't until the 60's when it was commercialized.

At closer look, the
Vortex Tube
is quite simple in structure. It contains no complex parts inside, yet, it performs a seemingly complex process as described above. To date, there is not one conclusive explanation as to how this device is able to draw out the cold particles from the hot ones. Some attribute it to angular momentum, while others to centrifugal force. Its discoverer, 19th century physicist James Maxwell, attributes it--perhaps out of frustration--to a 'friendly little demon' who busily takes the cold molecules and pushes them to one end of the tube, hence, its original name, 'Maxwell Demon Tube'.

In spite of the enigma, the Vortex Tube has established itself as an effective tool for generating renewable energy. Today, recycling plants make use of vortex tubes to reduce wastes in terms of volume. It has become a viable alternative to old school, energy-consuming refrigerants to achieve low temperatures and even reduce harmful gases thrown into the atmosphere. However, because it makes use of compressed air, vortex tubes still require electricity to do their magic.

The sheer portability of the vortex tube allows for small-scale uses. One modern application is fitting it into the belt of a reflective suit, which regulates body temperature for individuals constantly subjected in high-heat working environments. Indeed, having it worked into aerospace suits belongs to the not-so-distant future. Also, it has proven to be a valuable companion for bio-chemists who need to preserve information in DNA and other kinds of specimen.

Practically all industries and sectors that require cooling in their processes will find themselves turning to
Vortex Tube
for its energy and cost viability. Automobile manufacturers, for instance, in an effort to be more 'green', is now looking into how vortex tubes can be designed to replace current inter-coolers. Research continues as well on the practical application of these pipes in home cooling appliances.

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