Which would be a better choice for a set of 16 ohm A-7's? Do the St-70 or the St-120 have 16 ohm speaker taps?
3 posters
ST-70 or ST-120 for A7 Voice of the Theaters?
fuseable- Posts : 5
Join date : 2010-03-20
Bob Latino- Admin
- Posts : 3279
Join date : 2008-11-26
Location : Massachusetts
fuseable wrote:Which would be a better choice for a set of 16 ohm A-7's? Do the St-70 or the St-120 have 16 ohm speaker taps?
Hi,
You mentioned above "A-7's" only with no company name but I am assuming that you mean the big Altec Lansing A-7 speaker.
Both the ST-70 and ST-120 have 16 ohm speaker taps and may be set up for 16 ohm speakers. The Altec Lansing A7 speaker has 100 dB efficiency. The ST-70 would, IMHO, have enough power to drive this very efficient speaker to pretty loud levels in almost any sized room.
According to the A7 manual the speaker impedance is 8 ohms and not 16 ohms. Maybe an earlier version of this speaker was 16 ohms ? Speaker manual link is below.
Altec Lansing A-7 user manual
Bob
fuseable- Posts : 5
Join date : 2010-03-20
I had mentioned in the subject line (Voice of the Theaters), but yes they are Altec 1966 vintage A-7's.
Bob Latino- Admin
- Posts : 3279
Join date : 2008-11-26
Location : Massachusetts
fuseable wrote:I had mentioned in the subject line (Voice of the Theaters), but yes they are Altec 1966 vintage A-7's.
Ok - I never saw the "Voice of the Theaters" in your subject line. I am sure that the ST-70 would have more than enough power to drive these 16 ohm, 100 dB efficient speakers well ..
Bob
Luddite- Posts : 233
Join date : 2009-02-04
Age : 74
Location : Texas
The earlier Altec A-7's were indeed of 16 ohms impedance. Later models were 8 ohms and carried model numbers such as A-7-8.
Best Regards,
Charlie
Best Regards,
Charlie