1. DL manuals
  2. Janszen
  3. Speakers
  4. zA2.1A
  5. Owner's manual

Janszen zA2.1A Owner's manual

Manual is about: Electrostatic Hybrid Loudspeaker Active Version

Summary of zA2.1A

  • Page 1

    7/7/2015 model za2.1a electrostatic hybrid loudspeaker active version o wner ’ s m anual.

  • Page 2

    Za2.1 owner’s manual 2015 janszen loudspeaker, ltd. 480 trade road columbus, ohio 43204 usa phone +1 614-448-1811 email support@janszenloudspeaker.Com this owner’s guide is published only in pdf form in order to save trees and not burden people with even more paper than they are already barraged wit...

  • Page 3

    Table of contents safety information ...................................................................... 1 welcome ..................................................................................... 4 unpacking ................................................................................... ...

  • Page 4

    S a f e t y i n f o r m a t i o n 1 safety information warning : do not expose these speakers to rain or wetness, which may create a dangerous shock hazard, and may degrade or ruin the speakers. Warning : dangerous high voltages may be present inside the speakers. To avoid the risk of electric shock...

  • Page 5

    S a f e t y i n f o r m a t i o n 2 3. Heed the warnings – all warnings about these speakers should be followed. 4. Follow the instructions – all operating and use instructions about these speakers should be followed. 5. Condensation – when moving the speakers from a cold to warm location, such as d...

  • Page 6

    S a f e t y i n f o r m a t i o n 3 13. Your ears – distortion and compression are what make ordinary speakers seem loud when the volume goes up, but electrostatic speakers do not do this. Because your za2.1’s are capable of producing high sound pressure levels (spl) without distortion or compressio...

  • Page 7

    W e l c o m e 4 2 welcome ou have chosen janszen loudspeakers! The za2.1 will bring you the utmost in music listening enjoyment through its exceptional purity and naturalness in sound reproduction. While these speakers include esoteric technology, you can rest assured that they are designed and buil...

  • Page 8

    U n p a c k i n g 5 3 unpacking o not allow the delivery person to leave until you are satisfied that there has been no shipping damage. If there is damage, please refuse the shipment, and it will automatically come back to us for repair/replacement. The situation will be harder to handle if you not...

  • Page 9

    U n p a c k i n g 6 9) gently tilt the speaker up until it is vertical, then further until the feet to the side with no insert touch the floor. 10) while continuing to support the speaker, remove the remaining blue foam insert, and let the speaker down onto all its feet. 11) clip the tie that holds ...

  • Page 10

    M o v i n g 7 4 moving he speakers weigh about 28 kg [62 pounds], so they can be hard to move for someone working alone. If you are unpacking these alone, here are a few suggestions. Large movements the easiest way to pick one up is: 1) ensure that your clothing presents no exposed hardware, such as...

  • Page 11

    C l e a n i n g 8 5 cleaning wooden baffles the final wood finish coat is wax, which will be removed by most cleaners. Wipe only with a soft, damp cloth. Painted and metal surfaces these surfaces can withstand strong cleaners as well as alcohol, but do not spray anything directly onto the speakers ....

  • Page 12

    Q u i c k s t a r t 9 6 quick start elative to the passive version of the za2.1, the interesting thing about this model is obviously its built in biamplification and signal processing. The amplifier unit is shown below mounted into the back of the speaker enclosure. Connection. The two balanced xlr ...

  • Page 13

    S e t u p d e t a i l s 10 just as well with a pair of $20 microphone cables from your local musical instrument or pro-audio store (or amazon) as with something fancy. If your source has only rca outputs, then you can get good results using your existing rca cables with an adapter. If you have told ...

  • Page 14

    S e t u p d e t a i l s 11 if you have a room situation that tends to skew the image to one side, and no balance control, you can use the gain controls for balance adjustment. Presets. The signal processor has four presets stored in it. To select from among them, press the selector button. Each time...

  • Page 15

    S e t u p d e t a i l s 12 placement at mid and high frequencies, the za2.1’s directivity keeps the stereo image from being affected by room placement in all but the most reflective rooms. As with any non- dipole speakers, though, the bass is practically omnidirectional, so nearby walls will reinfor...

  • Page 16

    S e t u p d e t a i l s 13 • aim slightly less toed in than directly at your listening position, so that their axes cross a foot or two behind you. • position close to the front wall, with the rearmost corner between 24 and 36 inches [60 to 80 cm] out. Correct proximity to the front wall can be very...

  • Page 17

    S e t u p d e t a i l s 14 also, changing the back-tilt away from a straight-facing aim will degrade time- alignment. • the back tilt adjustment can be accomplished by shining a flashlight from ear height (chest height on older models) and watching for a reflection from the wood astride the centers ...

  • Page 18

    S e t u p d e t a i l s 15 fig 1. Our apologies for this appallingly bad illustration..

  • Page 19

    C o n n e c t i n g a n d p o w e r i n g 16 7 connecting and powering binding posts the standard binding posts accept spades or bare wire, but not banana plugs, although they can be clamped into the posts in a pinch, so to speak. We have nothing against banana plugs, but came to appreciate the desi...

  • Page 20

    S e t u p d e t a i l s 17 the bias supply will work correctly with any mains voltage, and if the speakers are moved internationally, suitable power cords for any wall socket arrangement can be obtained worldwide and used without concern for converting/adapting the voltage. Powering as implied in th...

  • Page 21

    A i r l a y e r 18 8 airlayer option the za2.1 speakers are very directive in the vertical, and rather directive in the horizontal. This serves to minimize the involvement of the room, thereby making setup easier, and maximally conserving the recorded ambiance and the precision of the image. With re...

  • Page 22

    S e t u p d e t a i l s 19 for overall effect. You can turn them up or down and the balance will remain okay as long as you keep the difference in db between the two settings the same. Controls unfortunately, our supplier for the usual control fascia (marked in db) sometimes runs out of stock. This ...

  • Page 23

    S e t u p d e t a i l s 20 8 setup details backward tilt the za2.1 speakers are very directive in the vertical. There is thus about a 22 cm [9”] range of ear height that will experience full spectrum sound. In addition, the backward tilt serves to present the sound from all the drivers in phase (“ti...

  • Page 24

    S e t u p d e t a i l s 21 made of soft, sound absorbent material. This has a disastrous effect on realism as well as the stereo image. Lastly, if the back wall less than a few meters [ten feet] behind the listening position, it is helpful to add absorbent material there, such as heavy curtains or a...

  • Page 25

    S e t u p d e t a i l s 22 room boom and suck out room resonant modes can cause certain bass notes to be greatly exaggerated and others to be nearly missing. Properly tuned and positioned bass traps are the ultimate solution, but no one will blame you if you don’t want to bother. You can make some h...

  • Page 26

    S e t u p d e t a i l s 23 fuse replacement.

  • Page 27

    S e t u p d e t a i l s 24 9 features and specifications • frequency response o standard: 30 hz - 20 khz +/- 3 db on axis (in room) o hp: 20 hz - 20 khz +/- 3 db on axis (in room) • peak spl -- 108 db (pair playing music at 4 m [13'] in mid-sized room -- 4.5 m x 7.3 m x 3.0 m (15' x 24' x 10') • ful...

  • Page 28

    S e t u p d e t a i l s 25 o 66-element, parallel wire, stator electrodes (total of 132 electrode elements per panel) o unique panel construction and materials are immune to the effects of wide and rapid temperature and humidity swings o optimal sonic membrane material thickness less than 1/15th of ...

  • Page 29

    S e t u p d e t a i l s 26 o adjustable sensitivity/gain • amplifiers o input impedance: 10 kΩ balanced to ground o maximum gain: 32 db (x40 voltage gain) o s/n ratio: >113 dba (20 hz – 20 khz, a weighted) o damping factor: >1000 (20 – 1000 hz) o distortion: o mains power -- 0.1 watts to 1.0 watts, ...

  • Page 30

    A i r l a y e r 27 10 warranty limited five year warranty i. Acceptance. Acceptance of ownership of the merchandise occurs upon acceptance of delivery. Ii. Shipping damage. The shipment should be examined for shipping damage prior to acceptance. Shipping damage will not result in cash costs to the b...

  • Page 31

    S e t u p d e t a i l s 28 2. Any active electronics are warranted against failure caused by manufacturing or component defects for two years. 3. Systems or components in need of repair or replacement during these periods will be repaired or replaced at no cost to the owner, or the purchase price re...