​​ ZPA0.3   


Serial #             Name                           Location                           color​

00094               Jesse Short                  Canada                              Black

​​​ 00104               Vin Quach                    California, USA                Black

00135               Terje Hokholt              Norway                             Black

00141               Tom Erik Skaret          Norway                             Black

00164               Stefan Svensson         Norway                             Black

00205               David Werrner            California, USA                 Black

00226                Jarek Jahaaski             California, USA                 Black

00246               Scott Burnett              California, USA                 Black

​00247                Joshua Van Drogos   Illinois, USA                       Black​​

00294               Scott Burnett              California, USA                  Black

00365               David Werner             California, USA                  Black

00408               Vin Quach                    California, USA                 Black

00489 (d)          David Werner             California, USA                 Black

00579               Tom Erik Skaret          Norway                              Black

00618                Alfaholic                      Norway                              Black

00637                Terje Hokholt             Norway                              Black

​10015                Ricky Schultz              Denmark                            Black

10024                Demosta                     Finland                               Black

10025                 Joe Branam               Tennessee, USA                White  

10069                 Ed Brutkoski              Vermont, USA                   White

10071                 Steve Cross                Canada                              White

10077                 Damien Andre           Winnipeg, Canada           Black

10122                 Chris Walters             North Carolina, USA        Black

10323                 Terry Coleman          Washington, USA              Black

10344                 Terry Coleman          Washington, USA              Black

10353                 Scott Burnett             California, USA                  Black

10371                 Jesper Holm               Denmark                           Back

10409                 Art Hopfer                  Oregon, USA                     Black

10423                 Jesse Short                 Ontario, Canada               Black

10437                 Jared Jahaaski            California, USA                  Black

10461                 Art Hopfer                  Oregon, USA                     Black

10506                 Joe Branam                Tennessee, USA                White

10687                 Rafael Pancho Ortiz  Florida, USA                      Black

10751                 Terje Hokholt              Norway                             Black

10820                 Terry Coleman            Washington, USA            Black

10891                 Ben Osborne              Tennessee, USA               Black

10922                 Jared Jahaaski             California, USA                 Black

11005                 Joe Branam                 Tennessee, USA               White

11034                 Ben Osborne              Tennessee, USA                Black

278336230005  Scott Burnett              California, USA                 Black

XXX                      David Werner             California, USA                 Black 



ZPA0.5


Serial #             Name                          Location                       Color (O/I)

00001                Vin Quach                  California, USA           Black/red v1
00020                Scott Burnett            California, USA            Black/red v1

00033                Jesper Holm              Denmark                     Black/red v1
00056 (d)          David Werner            California, USA           Black/red v1
00098                Matt Siddick              UK                                 Chrome/red v1
00115                Steve Cross                Canada                        Black/red v1
00155                Jason Campbell         Michigan, USA            Black/green v1

00198                Nathen Haglington   UK                                Black/red vq
00243                David Werner            California, USA           Black/red v1

00249                Damien Andre           Winnipeg, Canada     Black/red v1
00255                Zerpoint0.5                Belgium                       Black/red v1
00256                Zeropoint0.5              Belgium                      Black/red v1
00262                Dereck Scott              Canada                        Black/red v1
00268 (d)          David Werner            California, USA            Black/red v1
00289                Andy Weiser              Georgia, USA (4 sale)  Black/red v1
00516                Scott Burnett             California, USA            Black/red v1

00524                Nathan Haglington   UK                                 Black/red v1

00558                 Jared Jahaaski           California, USA            Black/red v1

00560                Caleb Crawford         Florida, USA                 Black/red v1
00612                David Werner            California, USA            Black/red v1
00626                Matthew Bates          Iowa, USA                    Black/red v1
00735                Terje Hokholt             Norway                        Black/red v1
10036                Sean Cahill                 Washington, USA        Black/green v1
10046                David Wilson             Louisianna, USA          Black/green v1
10079                Ed Brutoski                Vermont, USA              White/green v1
10102                Scott Burnett             California, USA            Black/green v1
10117                Steve Cross                Canada                        Yellow/green v1
​10137                Joe Branam                Tennessee, USA          White/green v1
10138                Joe Branam                Tennessee, USA          White/green v1
10149                Ben Osborne             Tennessee, USA          White/green V2
10164                Dan Davis                  Washington, USA         White/green V2

10168                Jared Jahaaski            California, USA            Black/green v1

10202                Ricky Schultz              Denmark                      White/green V2

10210                Terry Coleman           Washington, USA       White/green v1

10226                John Davis                   Oregon, USA               Black/green v1
10236 (d)          Scott Burnett              California, USA            Black/green v1

10241                Will Engel                    Texas, USA                   White/green v2
​10242                Phil Gibbs                   Indiana, USA                 Black/green v1
10245               Alfaholic                      Norway                         White/green v1

10250               Joe Branam                Tennessee, USA           White/green v2
10264              Stefan  Svensson        Norway                         Black/green v1 
10306              Jared  Jahaaski            California, USA              Black/green v1
10373              Phil Gibbs                    Indiana, USA                  Black/green v1

10550              Kevin Gee                    Ohio, USA                       Black/green v1
10659              Ed Brutkoski               Vermont, USA                Black/red v2
10757              Jared  Jahaaski            California, USA              Black/green v2

10773             Nathan Haglington     UK                                   Black/green v2

10777             Nathan Haglington     UK                                   Black/green v2

10803              Jesse Bolduc               Minnesota, USA            Black/green V1
10813             zeropoint0.5                Belgium                          Black/green v1

10870             zeropoint0.5                Belgium                          Black/green v1

10891             Mads Jensen                Denmark                        Black/green v1

10910             Andrew Ferrell            Ohio, USA                       Black/green v2

10929            Terry Coleman             Washington, USA          Black/green v2​
11217            Terry Coleman             Washington, USA          Black/green v2

11224            Nathan Haglington     UK                                    Black/green v2
11305            Jared Jahaaski              California, USA               Black/green v2

11379            Artie Erdman                Maryland, USA               Black/green v2

11422            Rafael Pancho Ortiz     Florida, USA                   Black/green v2
11433            Scott Burnett                California, USA               Black/green v2

11456            Ben Osborne                Tennessee, USA             Black/green v2
XXX                 Terje Hokholt               Norway                           Black/green v2
XXX                 zeropoint0.5                Belgium                          White/green v2





(d) = dead amp, for parts use only


XXX = serial number is missing


ZPX2

Serial #                      Name                          Location                    Color

0030                         zeropoint0.5               Belgium                    Black

0098                        Stefan Svensson          Norway                     Black

0220                         Stefan Svensson         Norway                     Black

0325                         Terry Coleman            Washington, USA     Black

0383                         Ben Osborne               Tennessee, USA        Black  

0393                         Terry Coleman            Washington, USA      Black

2849362130002    Jesse Short                Ontario, Canada         White

2848362130007     David Werner            California, USA          Black

2848362940001    Damien Andre            Canada                      Black

​3679363700002    Steve Cross                Canada                       Black

0700366140040    Dan Davis                   Washington, USA      Black

XXX                            Terje Hokholt              Norway                      Black

                             

It is commonly thought that while looking at the ZPA0.5 serial numbers the version 2 is signified by the serial starting in a '1', but this is not true. It looks as though the '1' signifies the change over from red torroids to green ones. The version 2 came out a little later. There are a few odd amplifiers that have inconsistent colors on the torroids, an explanation has not been provided.

In the mid '90s Phoenix Gold created a "no holds barred" line of amplifiers (and crossovers) that were extremely powerful and had very high sound quality. While they were not officially a limited edition amp, they were pretty low in production numbers and are rare. The amplifiers came with a crossover defeat card but an optional crossover card (ZPAXO) was available (and is pictured top right). Phoenix Gold also offered a matching 3 way crossover called the ZPX2, and a matching balanced line amplifier called the TBAT with balanced (CAT6) cables. Throughout the years they changed transformer colors, exterior colors, and changed from version 1 to 2.

Registry

Additional info:

The version 1 amps came with 11 blade fans, the power terminal blocks were drilled all the way through, leaving them open to the inside of the amp, and the early version 1 amps came with a white logo on the plexi cover rather than gold foil. The gold screws used to mount the plexi cover changed size about halfway through the run of version 1 amps. They also changed the cooling shields (metal plate running under the fans) from being mounted to the heat sink plates (3 pieces) to one long piece that bolts from endplate to endplate.


Version 2 amps had 7 blade fans, had power terminal blocks that were not drilled all the way through, and had some other updates to the board itself to accomodate the new fans. The version 2 did not start at serial number 10000,  but they did shortly thereafter. The power terminals did change from the open type to the solid type right around serial number 10000. The serial numbers appear to have jumped around a bit. Phoenix Gold might have jumped numbers when they made updates or revisions to the boards. The serials went from 1-999, and then rather than going to 1000 it went to 10000.


Typically, the white amps came with clear plexi and black amps came with tinted plexi, but examples of that reversed have popped up from time to time. Also, all ZPA0.3 amps came with green transformers.  On the ZPA0.5 they started red, and went to green. There have been a few outliers, no reason for this is known at the moment.

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           ZPA Series