Menu
Home
Forums
Search forums
New posts
What else is new...
New media
New media comments
Latest activity
Media
New media
New comments
Search media
Resources
Latest reviews
Search resources
Members
Registered members
Current visitors
Log in
Register
What's new
Search
Search
Search titles only
By:
Registered members
Current visitors
Menu
Log in
Register
Home
Members
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
wattsabundant's latest activity
wattsabundant
replied to the thread
I Need a Part
.
I found some pulls in the Dyna junk drawer. Still need them?
Sunday at 7:42 AM
wattsabundant
replied to the thread
I Need a Part
.
Yes, Dynaco used the same part. Mark, I'm on the road and get home tomorrow. I should have an outlet in my Dyna junk drawer.
Thursday at 6:48 PM
wattsabundant
replied to the thread
Would a 400 or 700 be a better match for my speakers?
.
Yea, right, and Lee never suffered from that.
Apr 4, 2024
wattsabundant
replied to the thread
Would a 400 or 700 be a better match for my speakers?
.
A 30 watt amplifier can damage speakers just as bad as a 700W. The under powered amplifier becomes distorted at high volumes and dumps...
Apr 4, 2024
wattsabundant
replied to the thread
100 watt resistors needed for a one time job - did not expect them to look like this.
.
A penalty must be inflicted as a result of stupidity. In this case the penalty was a minor burn on a couple fingers.
Mar 29, 2024
wattsabundant
replied to the thread
100 watt resistors needed for a one time job - did not expect them to look like this.
.
Attached are photos of a 7.2 ohm load bank using water heaters. Here is a Home Depot link. 120 volt-2000 watt heater Note that the...
Mar 29, 2024
wattsabundant
replied to the thread
PL 700 version
.
700 is in the front followed by 700B
Mar 26, 2024
wattsabundant
replied to the thread
Better dipersion of LED Meter lamps
.
Marantz used vellum lens covers. The 700 has LEDs. Shouldn't have any temperature rise.
Mar 19, 2024
wattsabundant
replied to the thread
A Little Help From My Friends
.
The calculation Joe did determined the impedance of the cap at 20 Khz. The formula is 1 / (2 × π × f × C). π= 3.14, f = 20Khz, c=...
Mar 18, 2024
wattsabundant
replied to the thread
A Little Help From My Friends
.
I set up 2 meters and a signal generator to indirectly measure the impedance of the zobels at several frequencies. I measured the...
Mar 18, 2024
wattsabundant
replied to the thread
A Little Help From My Friends
.
Test equipment ground loops! Amp input and output can not both be grounded. Been there. Done it.
Mar 16, 2024
wattsabundant
replied to the thread
PL 400 series 2 in progress before WOPL
.
The only need for soft start is to protect the power switch. The triac board I use for 700's easily handles the 120-150 amp inrush...
Mar 13, 2024
wattsabundant
replied to the thread
A Little Help From My Friends
.
Well the bulb is going to flash if you're playing music. The problem would seem to be with the sockets of the two outputs that you...
Mar 13, 2024
wattsabundant
replied to the thread
PL700 Upgrade
.
The 4 ohm resistor limits the current to about 30 amps (Ohms law says 120V divided by 4 ohms = 30 amps) . I recorded peak currents in...
Mar 10, 2024
wattsabundant
replied to the thread
PL700 Upgrade
.
To test the meters, a person could take any 1.5v battery, and a series 100K pot or so, and adjust the pot for full scale on the meter...
Mar 9, 2024
Home
Members
Top