P-75 pow e r s upply requirem e nts
AC to DC pow e r adaptor 12V 500m A DC
Tw o pin adaptor ce ntre ne gative oute r pos itive
Oute r Diam e te r 5.5m m
Inne r Diam e te r 2.1m m
Note : Powe r supply is not include d.
Ple as e purch as e a s uitable supply at your local de ale r.
Spe cifications
Th e P-75 is a s tand-alone ph ono to line le ve l am plifie r. It can ope rate w ith th e
follow ing cartridge type s :
Cartridge Type Input Se ns itivity Gain Loading (Ω=oh m s )
Low Output Moving Coil 0.2m V (200µV) or 60 & 63dB 25, 30, 100, 470Ω
Standard ph ono s tage 0.15m V (150µV)
Low Output MC Z e ro Ω
Ph ono Enh ancer*
H igh Output Moving Coil 2.0m V 40dB 47k (47,000) Ω
Moving Magne t
Moving Iron
*Input s e ns itivity and gain is de te rm ine d m ainly by th e cartridge inte rnal
re s istance . Th re e re s is tance /gain adjus tm e nts available .
Alw ays turn off pow e r to th e audio sys te m (including powe r to th e P-75) wh e n
alte ring jum pe rs or s e ttings ins ide th e P-75.
NOTE: Unde r no circum stance s sh ould a signal ge ne rator be use d with th e
ph ono e nh ance r circuit, as any e xce s sive curre nt from th e ge ne rator m ay
dam age th e P-75.
P-75 m k II Jum pe r Location and Settings
Output
RCA
Sock e ts
JB5
1 2 3
JB1
Re ar Pane l
Sock e ts
Key ope n = re m ove jum pe r s h ort = fit jum pe r
For more inform ation vis it w ww .dynave ctor.com
All th e above adjus tm e nts are e as ily m ade by th e us e r. No s olde ring or e xtra
com pone nts are re quired.
Standard Se ttings
W h e n de live re d from th e factory, th e P-75 is s e t to th e follow ing s tandard
s e ttings: Low output m oving coil 100 oh m 60 dB gain.
1 2
3 4
5 6
7 8
Input
RCA
2 4 6
1 3 5
JB2
JB3
JB6
1 2 3
1 2
3 4
5 6
7 8
2 4 6
1 3 5
JB4
m k II
P-75 r1v3
© 2007 Dynave ctor Syste ms Aus tralia p/l
H igh output MC
or
Moving Magne t
Low output MC
s tandard ph ono
m ode
e ith e r
or
JB 1 & 2
1-2 ope n
3-4 ope n
5-6 s h ort
7-8 s h ort
JB 3 & 4
1-2 s h ort
3-4 s h ort
5-6 s h ort
JB1 & 2
JB5 & 6
1 2 3
1 2
3 4
5 6
7 8
2 4 6
1 3 5
JB3 & 4
JB 5 & 6
1-2 s h ort
2-3 ope n
JB 1 & 2
1-2 ope n
3-4 s h ort
Loading 470 oh m 100 oh m 30 oh m 25 oh m
5-6 ope n s h ort ope n sh ort
7-8 ope n ope n sh ort s h ort
JB 5 & 6
1-2 ope n
2-3 s h ort
JB 3 & 4 Norm al Gain = 60dB
1-2 s h ort
3-4 ope n
JB5 & 6
1 2 3
2 4 6
1 3 5
JB3 & 4
5-6 s h ort
JB 3 & 4 H igh Gain = 63dB
1-2 ope n
3-4 ope n
2 4 6
1 3 5
JB3 & 4
5-6 s h ort
JB1 & 2
JB5 & 6
1 2 3
1 2
3 4
5 6
7 8
Low output MC
ph ono enh ance r m ode
(curre nt am plifie r)
JB 1 & 2
1-2 s h ort
3-4 ope n
5-6 s h ort
7-8 s h ort
JB 5 & 6
1-2 ope n
2-3 s h ort
JB 3 & 4 Se t output le ve l de pe nding upon coil re s istance *
Low re s is tance coil
1-2 s h ort approx 4 - 10 oh m s *
3-4 ope n
5-6 s h ort
Me dium res istance coil
1-2 ope n approx 10 - 20 oh m s*
3-4 s h ort
5-6 ope n
H igh re s istance coil
1-2 s h ort approx 20 - 50 oh m s *
3-4 ope n
5-6 ope n
* Th e coil res is tance is obtaine d from th e cartridge m anufacture r's spe cifications .
Th is re sis tance is th e DC re s is tance of th e coil, s om e tim e s refe rred to as th e
im pe dance . It is not th e cartridge loading re sis tance .
An e xam ple m ay h e lp:
Dynave ctor's DV XX2 m k II s pe cification s h e e t give s th e follow ing:
Im pe dance R = 6 oh m s
Re com m e nde d load re sis tance >30 oh m s. Ignore th is in PE Mode .
Th e DC coil res istance for th e DV-XX2m k II is 6 oh m s th e re fore in PE m ode , s e t
JB 3 & 4 for a low re s is tance coil.
Se e ww w.dynave ctor.com for com ple te Dynave ctor cartridge s pe cifications .
Th e P-75 h as a uniq ue pow e r s upply th at runs at ove r 1/4MH z.
It tak e s th e low grade s ingle voltage DC supply from th e ac adapte r
and conve rts it to th e dual h igh voltage s re q uire d for true profe s s ional
q uality audio re production. Th e ope rating fre q ue ncy is ove r 12 tim e s
h igh e r th an th e top of th e audio band and it incorporate s supe r low
nois e w ide band re gulators in its output s tage to give ultra low noise
s upply rails .
Th e inte rnal P-75 pow e r s upply is totally se lf containe d and s tore s
m any tim e s th e m axim um pos s ible e ne rgy re q uire m e nts of th e ph ono
am plifie rs . Th is m e ans th at th e q uality or size of th e e xte rnal ac
adaptor is irre le vant. Incre as ing th e capacity of th e e xte rnal s upply w ill
m ak e no diffe re nce to th e quality of th e s ound.
Th e P-75 incorporate s th e unique curre nt am plifie r inve nte d by Dr
Tom inari of Dynave ctor Sys te m s Ltd., Japan, calle d a Ph ono Enh ance r.
Note : Th e P-75 s upply re q uire s a h igh e r pe ak curre nt to s tart up and
s o we do not re com m e nd us ing an adaptor of le s s th an 500m A.
Th e P-75 doe s not h ave any m ains fre q ue ncy or oth e r low fre q ue ncy
com pone nts in th e pow e r s upply and s o h um proble m s th at plague
conve ntional ph ono am plifie rs are e lim inate d.
An e arth te rm inal is provide d on th e re ar pane l th at w ill allow th e m e tal
ch as s is to be conne cte d to e arth if re q uire d.
W h ile th e P-75 itse lf doe s not ge ne rate any h um , th e tone arm and
inte rconne ct cable s m ay act as ante nnae and pick -up som e h um . Th is
is norm ally re m ove d by running an e arth w ire to th e pre am plifie r
ground dire ctly from th e turntable 's norm al ground.
In m os t applications , th e P-75 w ill not ne e d to be e arth e d.
IMPORTANT SAFETY INSTRUCTIONS
Re ad Ins tructions
Ple as e read all s afe ty and ope rating instructions be fore us ing th is product.
Re tain Ins tructions
Th e s afe ty and ope rating ins tructions s h ould be re taine d for future
re fe re nce .
H e e d w arnings
All w arnings on th e product and in th e ope rating ins tructions s h ould be
adh e re d to.
Follow ins tructions
All ope rating and use ins tructions s h ould be follow e d.
Cle aning
Unplug th e product from th e w all outle t be fore cle aning. Do not use liq uid or
ae ros ol cle ane rs . Us e a dam p cloth for cle aning.
Pow e r source s
Th is product sh ould be ope rate d only from th e type of pow e r source
indicate d on th e m ark ing labe l. If you are not s ure of th e type of powe r
s upply, consult your de ale r.
Se rvicing
Re fe r all s e rvicing to qualifie d s e rvice pe rs onne l.
W arranty
Dynave ctor m anufacture s its products to ve ry h igh s tandards and w e are
confide nt our products w ill pe rform w e ll. Accordingly, w e warrant th e
Dynave ctor P-75 agains t m anufacturing de fe cts in m ate rial and
w ork m ans h ip to th e original owne r, for a pe riod of one ye ar from th e original
date of purch as e . Th is warranty doe s not e xte nd to dam age caus e d by
im prope r use /installation, faulty ancillary e q uipm e nt, m odifications ,
unauth oris e d repair, s h ipping dam age or los s, abuse ,
accide nts, us e on im prope r voltage /curre nt, ligh tning or oth e r acts of God,
norm al we ar and te ar, com m e rcial use , or purch as e s from unauth oris e d
de ale rs . Proof of purch ase as e vide nce th e unit was purch as e d from an
auth oris e d de ale r w ith in th e warranty pe riod m ay be re q uire d for w arranty
s e rvice . Do not re turn th e product with out firs t contacting your de ale r or
Dynave ctor. Th is warranty is non-trans fe rable .
Th is product can be re cycle d. Products be aring th is sym bol m us t NOT be th row n aw ay w ith
th e norm al h ous eh old w as te . At th e e nd of th e product’s life , tak e it to a colle ction point
de s ignate d for re cycling of e le ctrical and e le ctronic de vice s . Find out m ore about re turn and
colle ction points th rough your local auth ority.
Th e Europe an W aste Ele ctrical and Ele ctronic (W EEE) Dire ctive w as im ple me nte d to
dram atically reduce th e am ount of w as te going to land fills , th e re by re ducing th e e nvironm e ntal
im pact on th e plane t and on h um an h e alth . Ple as e act re s pons ibly by re cycling use d products .
If th is product is s till us e able , consider giving it aw ay or re se lling it.
w w w.dynave ctor.com
De s igne d and m anufacture d by
Dynave ctor Aus tralia and New Z e aland / Aote aroa
07/r4
D
V
Dynave ctor P-75
m k II
ph ono pre am plifie r and
ph ono e nh ance r
ins tructions and spe cifications
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