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  • Only forum members can post to threads.  To become a member, click the sign-up button in the upper left-hand corner and register.  Create a username and provide and email address.  You're required to answer three (3) HiFi related questions to register, the responses are not case sensitive.  If you're having trouble becoming a member, have a suggestion or wish to report a problem email to forum@northreadingeng.com.  Usuallly takes a day or two to respond. 

HIFI AMPLIFIERS

Discussions related to both tube and solid-state amplifiers, circuits, construction methods and measurements.  
Vacuum Tube Amplifier Repairs, Restorations and Builds
Discussions related to tube amplifiers and components.

Posts: 39
Topics: 10

Last post: May 17, 2025, 07:09 PM Tener exito by codigo coolbet

Vintage Solid State
Solid state amplifiers, design, construction and performance.

Posts: 1
Topics: 1

Last post: Feb 11, 2025, 06:30 AM Bose 1801 by nre

Vintage McIntosh Amplifier Repairs, Restorations and Modifications
Topics related to McIntosh vacuum tube and early solid-state amplifiers and preamps including repairs, modifications, restoration challenges and replacement parts.

Posts: 86
Topics: 13

Last post: Apr 15, 2025, 10:35 AM C20 Preamplifier by nre

HIFI LOUDSPEAKERS

Discussions related to high fidelity loudspeakers including direct radiators, horn loaded, enclosure materials and construction, crossover networks and measurement techniques
Direct Radiator Systems
Discussions and topics related to direct radiators including open baffle, ported and sealed enclosures.  

Posts: 12
Topics: 5

Last post: Jan 07, 2025, 03:16 PM KEF R5 Meta by nre

Unofficial Klipsch Forum (the "UKF")
Discussions related to Klipsch loudspeaker systems including horn and direct radiator types, crossover networks, modifications and measurements.

Posts: 9
Topics: 3

Last post: Feb 27, 2025, 04:49 AM Re: Registration by nre

Horn Loaded Systems
Discussions and topics related to horn loaded systems including compression drivers, enclosures and measurement methods.

Posts: 19
Topics: 5

Last post: Aug 06, 2023, 05:39 PM Re: B&C DE120-8 Replacem... by DaveA

CROSSOVER NETWORKS

Topics related to network designs, components, modifications and measurements.
Passive Networks
Topics related to network modifications or measurements on vintage loudspeaker networks.

Posts: 14
Topics: 3

Last post: Jul 18, 2023, 03:03 PM Re: North Reading Engine... by nre_admin

TEST GEAR

Topics related to oscilloscopes, analyzers and other electrical and acoustic test equipment.
Oscilloscopes, Signal Generators, FFT Analyzers, Multimeters
Repairs. restorations, fixes.

Posts: 17
Topics: 3

Last post: Feb 09, 2024, 09:47 PM Re: HP 333A Distortion A... by M-HZ

North Reading Engineering HiFi Forum - Info Center

Forum Stats

197 Posts in 43 Topics by 41 Members - Latest Member: codigo coolbet
Latest Post: "Tener exito" (May 17, 2025, 07:09 PM)
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