Best Of
Pioneer RT-71 R2R Maintenance
When I got this RT-71 several years ago, I replaced belts and bulbs and cleaned/lubed linkage. It recorded and played well and has sat around mostly unused. Now it has some scratchy pots and one channel cuts out recording in FWD, but it's fine recording in REV. It sports auto reverse playback and also recorded in reverse direction. No flipping tapes. It's a four head deck. Two erase and two heads that do both playback and record.
I have yet to find a complete service manual for the Pioneer RT-71 deck. I've asked at AK and Tapeheads forums. I even tried service manual pay sites. All I find is a few pages of PCB's and a schematic. No unit repair or calibration info.
I started looking at earlier Pioneer decks for a similar design. The Reel-Reel site has quite a database for decks, but they don't list all the early Pioneer decks. The first deck listed on the Pioneer page is the QT-6600 and the RT-71 is next. The blurb for the QT-6600 (Quad Track) said its based on the two channel T-6600. I was able to locate a service manual for the T-6600/6100. The tape head block and capstan/pinch roller are the same. Insides look the same. I'm thinking the electronics and calibration will be similar.

T-6600. Looks like it got a face job and became the RT-71.

RT-71

The pinch roller flips down out of the way and hides in the chassis for easy tape loading.

Press play and the pinch roller flips out and up against capstan.


Anyway, same old clean potentiometers and switches.

This deck has solenoid-controlled ALPS switches for switching between FWD and REV record and playback on bottom three PCB's. This one at far left side.

I had to remove one ground wire to flip the middle PCB around. That way I could better control applying DeOxit into switch without getting it everywhere. Lots of the old terminal post bare wire wrap in this deck.

Another short switch on the right side PCB.

I have yet to find a complete service manual for the Pioneer RT-71 deck. I've asked at AK and Tapeheads forums. I even tried service manual pay sites. All I find is a few pages of PCB's and a schematic. No unit repair or calibration info.
I started looking at earlier Pioneer decks for a similar design. The Reel-Reel site has quite a database for decks, but they don't list all the early Pioneer decks. The first deck listed on the Pioneer page is the QT-6600 and the RT-71 is next. The blurb for the QT-6600 (Quad Track) said its based on the two channel T-6600. I was able to locate a service manual for the T-6600/6100. The tape head block and capstan/pinch roller are the same. Insides look the same. I'm thinking the electronics and calibration will be similar.

T-6600. Looks like it got a face job and became the RT-71.

RT-71

The pinch roller flips down out of the way and hides in the chassis for easy tape loading.

Press play and the pinch roller flips out and up against capstan.


Anyway, same old clean potentiometers and switches.

This deck has solenoid-controlled ALPS switches for switching between FWD and REV record and playback on bottom three PCB's. This one at far left side.

I had to remove one ground wire to flip the middle PCB around. That way I could better control applying DeOxit into switch without getting it everywhere. Lots of the old terminal post bare wire wrap in this deck.

Another short switch on the right side PCB.

SCompRacer
3 ·
Re: Power Conditioner recommendations...
Don't overlook the AQ Niagara 7000. There is a reason why they all compare to it.
2 ·
Re: Karma
I wasn't implying that the numbers didn't match the names. With the winner being picked from a Random List generator, the numbers we picked made no difference. It is still a fair winner picked randomly like if our names were on a piece of paper in a tumbler or hat. It's all good.
billbillw
1 ·
Re: Looking for folk music recommendations - please help!
Late to the party.
The world has just lost this guy, but he is/was one of my favorites.
Not sure his style is what you are asking for as far as "folk", but you can find this concert on youtube to give it a try, before getting the CD.
Todd Snider Live - The Storyteller
https://youtu.be/kMRCw6dG0G4?si=PehJI9zgPWjJDu_O
The world has just lost this guy, but he is/was one of my favorites.
Not sure his style is what you are asking for as far as "folk", but you can find this concert on youtube to give it a try, before getting the CD.
Todd Snider Live - The Storyteller
https://youtu.be/kMRCw6dG0G4?si=PehJI9zgPWjJDu_O
hoosier21
2 ·
Re: The most dynamic, well recorded music you have heard to date....
Sooooo.....years ago I found this album. I don't remember how but I think I mentioned it before on Club Polk so a quick search would probably turn it up.
But, this guy, Jonathan Elias, he's an American composer and he has tons of stuff out there but this album of his...the best way to describe it is he paints with music. The music is evocative and imaginative but he clearly tries to tell a story with it.
However, this album has some of the widest dynamic ranges from a singular piano plinking out a tune that slowly crescendos into full blown orchestral arrangements and then back to a single instrument. It's quiet, it's booming, it's detailed, it's subtle, it's pronounced and every nuance to it is an experience.
Very few albums impressed me like this one did. It's beautifully mastered too but it is very hard to find. The best I can give you right now is the Topic channel for Jonathan Elias.
The best comparison I can make is Aaron Copeland's "Rodeo" ballet/symphony. Same kind of range in both frequency and dynamics, same kind of compositional style and same kind of energy influences to the music. The album has a theme and it's present throughout.
Artist: Jonathan Elias
Album: American River
Best tracks:
1 - At The Edge
5 - Crossing Rivers
10 - Towards Home
11 - The Great Divide
https://youtu.be/b43H3ONnUUU?si=tL8A4sU44bVVnK0r
I still use this as a test album because it will expose sibilance and it will expose crossover network holes.
But, this guy, Jonathan Elias, he's an American composer and he has tons of stuff out there but this album of his...the best way to describe it is he paints with music. The music is evocative and imaginative but he clearly tries to tell a story with it.
However, this album has some of the widest dynamic ranges from a singular piano plinking out a tune that slowly crescendos into full blown orchestral arrangements and then back to a single instrument. It's quiet, it's booming, it's detailed, it's subtle, it's pronounced and every nuance to it is an experience.
Very few albums impressed me like this one did. It's beautifully mastered too but it is very hard to find. The best I can give you right now is the Topic channel for Jonathan Elias.
The best comparison I can make is Aaron Copeland's "Rodeo" ballet/symphony. Same kind of range in both frequency and dynamics, same kind of compositional style and same kind of energy influences to the music. The album has a theme and it's present throughout.
Artist: Jonathan Elias
Album: American River
Best tracks:
1 - At The Edge
5 - Crossing Rivers
10 - Towards Home
11 - The Great Divide
https://youtu.be/b43H3ONnUUU?si=tL8A4sU44bVVnK0rI still use this as a test album because it will expose sibilance and it will expose crossover network holes.
1 ·
Re: Vintage Monitor and SDA Speaker Deals
Polk SDA SRS 2.3TLs w/198 tweets and the AI-1...$1100.
Papillion, NE

Papillion, NE

engie490
3 ·





