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Design changes over the years with DT770?

post #1 of 5
Thread Starter 
I'm curious to know if there were any design changes to the outer ear cups on the Beyerdynamic DT770 Pro headphones, from the 80's through the '90s and up to today. I've seen some variations in photos I see online, but can't tell which one is the older. Also, did they change the speakers over the years?

I just bought a used pair of DT770 Pro 80-ohm, and the ear cups both say "Beyerdynamic))) DT770" and on the headband, right before the head pad, the brackets on either side read "Proffessional 2 x 80ohm" (uses Omega symbol for ohms). Honestly they look like they're from the 80's now that I see them in person. The pads are worn almost flat, and as for these being "bassy", they aren't nearly as bass-heavy as many have said they'd be (using them unamped for now until my BSG cmoy shows up on Friday).

Thank you for reading
post #2 of 5
Thread Starter 
Anybody?
post #3 of 5
Quote:
Originally Posted by sgtdisturbed47 View Post

I'm curious to know if there were any design changes to the outer ear cups on the Beyerdynamic DT770 Pro headphones, from the 80's through the '90s and up to today. I've seen some variations in photos I see online, but can't tell which one is the older. Also, did they change the speakers over the years?

I just bought a used pair of DT770 Pro 80-ohm, and the ear cups both say "Beyerdynamic))) DT770" and on the headband, right before the head pad, the brackets on either side read "Proffessional 2 x 80ohm" (uses Omega symbol for ohms). Honestly they look like they're from the 80's now that I see them in person. The pads are worn almost flat, and as for these being "bassy", they aren't nearly as bass-heavy as many have said they'd be (using them unamped for now until my BSG cmoy shows up on Friday).

Thank you for reading

Beyerdynamic has done some revisions to the outer parts of the "Pro" headphones.

There is also the newer "Premium" series which came out in 2005.

but I'm guessing not a whole lot has changed (DT770, DT880, DT990) with the diaphragm (internal), over the past 30 years.

A headphone amplifier should improve the audio quality of your old DT770 Pro 80-Ohm headphones.

post #4 of 5
Thread Starter 

These are the ones in question. It says "Professional" on the headband bracket:

 

Processed By eBay with ImageMagick, z1.1.0. ||B2

 

I had assumed that on the other earcup (what a weird assumption) it would look like this:

 

 

There's clearly a difference, and I'm assuming the ones that actually say "DT 770 Pro" on the earcup are newer stock.

post #5 of 5

Classics !

Nice 
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