128x128

ditusa

Responses from ditusa

Corner problem? RE: Rippling cones
Everything mijostyn posted, +2 I will add: The flapping/pumping is coming from the interaction of the roomcartridge/tonearm and with the record. 
JBL Olympus C-50 loudspeakers
@eltabor, Do the back of the JBL's look like the link below? Mikehttps://worldradiohistory.com/hd2/IDX-Audio/Archive-Stereo-Review-IDX/IDX/60s/HiFi-Stereo-Review-196... 
JBL Olympus C-50 loudspeakers
@eltabor, The Marantz Model 7, is a preamp, the Marantz Model 9, is and amp.What conversion are you thinking he did? As jond has said, you are playing music with the Pioneer SX 450 receiver hooked up to the speakers so what is the problem you're e... 
JBL Olympus C-50 loudspeakers
@eltabor,There were two versions of the JBL C-50 Olympus a powered version, and a non powered  version, the powered version, had a built in amp, called the energizer. 
JBL Olympus C-50 loudspeakers
@eltabor,See the links below:http://www.lansingheritage.org/html/jbl/specs/home-speakers/1973-c50-c60.htmhttp://www.audioheritage.org/vbulletin/showthread.php?28611-JBL-4435-by-Guido= 
How To Do You Measure the Quality of Your AC Power?
@jea48 +2@tvad +2 
Should we pay more attention to delays in sound?
@elliottbnewcombjr,Here is a short article about time aligned loudspeakers.http://proaudioencyclopedia.com/time-domain-response-in-monitor-loudspeakers/ 
Speaker magnets
’’Alnico magnets are theoretically the best magnets for subwoofers’’.That Is why JBL chose Alnico 5dg magnet for the JBL 1501al-2 woofer and not Ferrite. Alnico Is the best for making permanent magnet speaker drivers. JBL engineers discovered that... 
Should we pay more attention to delays in sound?
What mijostyn said about group delays and time delays is correct. It was discovered in the 1930's, by MGM studio.Below article from The Klipsch Audio Community:This entire thing goes back to the Eleanor Powell "double tap" incident at MGM studios ... 
Change the Power Voltage
+2 @invalid. 
Quantum Science Audio Thread
@1971gto455ho,I agree. 
Speaker magnets
JBL still uses Alnico 5DG magnets in their top of the line speakers. See the link below.http://www.audioheritage.org/vbulletin/showthread.php?33557-1501al-2 
Change the Power Voltage
I agree 100% with fiesta75. 
Total System Gain Question
@pragmasi,+1 
Noise floors
I agree with barts.100%