Audio Tube Crossover

Tube Active Crossover - Pete Millett's DIY Audio pages

http://www.pmillett.com/tube_active_crossover.htm

This crossover is exactly that: 4-pole filters (one high-pass and one low-pass per channel), using two cascaded 2-pole filters as shown above, to get a rolloff of 24dB/octave. In this example, with a crossover frequency of 2300Hz, the high …

Audio Research 2 Way Tube Crossover - Vintage Audio Exchange

https://www.vintageaudioexchange.com/product/audio-research-2-way-tube-crossover-model-ec-2

Audio Research 2 Way Tube Crossover – Model: EC-2. Terms of Sale: This item is available for local pickup only. Pickup must be made at our retail store in Jamestown, NC. If shipping is important to you, please contact us directly before …

Mono & Stereo © 2021: KT Audio Tube Active Crossover

https://www.monoandstereo.com/2022/01/kt-audio-tube-active-crossover.html

KT Audio Tube Active Crossover. KT Audio tube active speakers crossover insights and some of the high-end audio systems that implement it.

How To Design A Crossover For A DIY Speaker - YouTube

https://www.youtube.com/watch?v=QClvPIuW3zI

Audio Research EC21 Tube Crossover | Equalizers | Audiogon

https://www.audiogon.com/listings/audio-research-ec21-tube-crossover

Audio Research EC21 for sale. ARC EC21 tube Crossover SN# 71112008 in excellent condition. Original German 12AX7 tubes. Crossover set from factory at 400HZ according to the back panel but it checked at 2000HZ. No documentation....

Active crossovers using Tubes | diyAudio

https://www.diyaudio.com/community/threads/active-crossovers-using-tubes.52361/

Currently, I'm using solid state for the lower two sections of my crossover and tubes for the upper two--i.e. quad-amped, with solid state below 250Hz and tubes above. You can make them as simple or as complex as you like. The simplest arrangement is to put your filter section between two followers.

Speaker Crossovers: The Ultimate Guide – Audio University

https://audiouniversityonline.com/speaker-crossovers/

VT TUBE CODE CROSS REFERENCE CHART - Audiotubes.com

http://www.audiotubes.com/VT%20crossreference.htm

vt tube code cross reference chart Due to the numbering schemes in use there are three variant classifications of VTxyz valves; the USA types, the UK military types (VT = Valve, Transmitting), and the UK GPO types.

Transition Audio Tom Tutay active tube crossovers pair ...

https://www.audiogon.com/listings/lisa1d05-transition-audio-design-tube

Transition Audio Design Crossover for sale. This is a rare item: a STEREO pair of active, two-way vacuum tube-based crossovers with outboard power supplies - four boxes altogether, in very good used condition, in perfect working order. The t...

The Crossover PT. 1 Read Aloud Audiobook (Pg. 3 ... - …

https://www.youtube.com/watch?v=_5P3W_Yr2Cw