Activity Stream

Having seen that many contributors to the forum value the use of a charged couple crossover network. I wondered if there are any measurements to back...

Hey gang, thought you might enjoy these... The COVID winter took a toll on me; what’s an audio restorer to do?... well, here ya go! Design...

Hello all I am needing some advice regarding my grandfathers speakers I inherited. He had them custom made by a JBL rep in the late 60s-early...

I have a pair of JBL 4312A's that I bought recently. I committed fairly early on to re-veneering them because there were a few really poor repairs...

I need help from the brain trust here. I've combed the internet, searched the archives here and made some phone calls all without finding what I...

Awesome forum, gang. I have a pair of L65 Juballs and want to get them on some metal stands like the L100s have. I cannot seem to find how the...

Hi all, greetings from Australia. I am a first time poster & long time lurker. Could more knowledgeable members assist me in identifying 2 x Altec...

Does anyone know and I can't even find pics of what I am trying to figure out. I have a few sets of 104H midrange drivers. My teak 250ti's and the...

Advice on type of crossover , I am using these for sound reinforcement for my Beatles tribute band for out door summer concerts , I am thinking of ...

My 077 diaphragms are bad. I would like to purchase genuine NOS ones, but I can't afford the nearly $500 for a pair on e-Bay right now. What are my...

Anyone have a few tips on removing the upper back panel on a 250ti to gain access to the tweeter. I tried a few times without success and do not want...

Hello, This is my first post on here because I'm a recent first time JBL owner. I bought a pair of 4312As from a distance seller (I'm in eastern...

I have a pair of 2405 tweeters and in preparation for listing them for sale, I took the dcr reading, and was wondering if the low reading I got was...

Reader for a couple years (just getting into vintage HiFi to relive my youth!), but first time posting. I recently (finally) acquired a pair of...

A shout out to the 590 owners out there. Could you advise how the 590 changes after a good break in period. I’ve been doing a/b tests against my L7....

Greetings all- I have yet another question/observation about the JBL Metregon. I have multiple posts about optimizing my little beast and have...

Recently I went on a 500 mile round trip journey to pick up a pair of bargain Ureis. They need a bit of work, but for the most part they are good,...

For those who haven't seen it yet https://m.facebook.com/groups/1662194570729666/permalink/2964617567154020/?anchor_composer=false

I have Edgarhorn Titan speakers. Originally the mid bass drivers were K-120, 8 ohms. Around 15 years ago, I changed to D-131, 16 ohms. I cannot...

Does the 580 give up a ton to the 590? I think it’s a somewhat safe investment for this price. Any one out there heard them both? I like my 530...

Hello, I would like to upgrade the internal wiring and driver connexions of my 4429, but accessing the HF and UHF drivers from the inside is...

Greetings, After a long, long hiatus, I return with a question...I sold my Model 19's, which I bought new, some 40 years ago, seeking audio...

Hello, Midwoofers 2169 or/and 2250. These are designed for HornSystems for very high SPL. Is somewhere RAW drivers spec available, sensitivity...

Hello all, Been a long long time since I made my way around here. I picked up a pair of what look like C-37's but don't quite fit the pictures in...

Hi all. Several months ago I acquired a pair of JBL LSR6332 (12" 3-way) monitors. I have been experimenting with different amps with various output...

Has anyone had experience of using the 2421A compression driver at its lower recommended crossover frequency of 800hz? The driver in question is part...

I have the opportunity to buy a few JBL horns to play with on my Klipsch(904) and JBL (3739 & 4739) bass bins. Before I invest I was wondering how...