DIY Audio Projects Forum
 NEW  Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single-Ended (SE) Ultra Linear (UL) Bias Optimization.

DIY Audio Projects Forum

Welcome to the DIY Audio Projects Message Forum. Use these forums to discuss Hi-Fi audio and to share your DIY Audio Projects. Registration is free and required to post messages and view the file attachments. Registration will only take a minute and registered users do not see any advertisements. After you have completed the online registration process, check your email (including spam/junk folder) for the verification email to activate your account. New members are under moderation - so your posts will not be visible until approved by a moderator. See the Read Me 1st, Forum RULES and Forum FAQ to get started on the forum.

It is currently 20 Aug 2019, 05:58

All times are UTC - 6 hours [ DST ]




Post new topic Reply to topic  [ 13 posts ]  Go to page Previous  1, 2
Author Message
 Post subject: Re: Planar Transducers
PostPosted: 07 Jul 2008, 17:48 
Offline
Editor
User avatar

Joined: 28 May 2008, 21:53
Posts: 4578
Location: Winnipeg, CANADA
Hi Bruce,

Is there any chance you can post a picture of these Altec speakers? Do they have two tweeters per side?

Cheers
Gio

_________________
[ DIY Mains AC Power Cable Cord ] - [ Gobo LM1875 Amp Kit ] - [ Tang Band D4-1 Horn Speaker Kit ] - [ Monoblock Push-Pull KT88 Tube Amp Kit ]


Top
 Profile  
 
 Post subject: Re: Planar Transducers
PostPosted: 22 Jul 2008, 14:17 
Offline
Project Author
User avatar

Joined: 04 Jun 2008, 20:59
Posts: 4011
Location: Arizona, USA
Hi Everyone, I would love to say the BG planar tweeters were a huge success. Not exactly. They are a mixed bag. I used two per channel (to get 8 ohms) and placed them on the front of the Altec 1010s in a vertical array. I used the stock crossover (2800). I adjusted the level control for a match with the woofer. Very nice top end. Wider sound stage than I expected, plus or minus 15 degrees really didn't make a lot of difference. Unfortunately they didn't sound as good as the the original Altec tweeters (they call it an energy radiating transducer). I switched from my tube amp (the KT77 project elsewhere on the site) to a vintage Marantz 1060 solid state amp. Much better sound. My conclusion is that the tweeters need a highly damped amp driving them. The tube amp just won't cut it for that application. With the SS amp they were quite good. So, if you use tubes, pass on these guys, with SS I would recommend them. You probably should get the mounting plates for them though. as without them they are difficult to mount.

Good listening
Bruce

_________________
Some of my DIY Tube Amplifier Projects:


Top
 Profile  
 
 Post subject: Re: Planar Transducers
PostPosted: 22 Jul 2008, 17:00 
Offline
Project Author
User avatar

Joined: 06 Jun 2008, 20:12
Posts: 972
Location: Houston, TX
So, with the SS amp you prefer them to the Altec tweeters?

_________________
DIY Lightspeed Passive Attenuator


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 13 posts ]  Go to page Previous  1, 2

All times are UTC - 6 hours [ DST ]


Who is online

Users browsing this forum: No registered users and 6 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Jump to:  
DIY Tube Projects :: DIY Tube Amp Kits :: DIY Speaker Projects :: DIY Solid State Projects :: DIY IC / Op-amp Projects :: DIY Phono Projects :: DIY Cable Projects :: Hi-Fi Audio Schematics
© diyAudioProjects.com - Terms of Service - Privacy Policy