Tannoy ProtoJ Reference Manual Download Page 14

5.0 TECHNICAL SPECIFICATIONS

Loudspeaker

Frequency response (1)

60 Hz - 20 kHz

Recommended amplifier power

50 to 100 Watts rms into 8 Watts

Power handling

Average (2)

Programme

50 Watts rms

100 Watts rms

Nominal Impedance

6 Ohms

Sensitivity (3)

90 dB SPL / 1 Watt @ 1 meter

Crossover frequency

3000 Hz

Cabinet

Drive unit

Tannoy 6.5" (165 mm) bass driver
Tannoy 3/4” (19 mm) soft dome tweeter

Low frequency design

Optimized bass-reflex load, in 10 litres

Cabinet construction

MDF high density particle board

Fittings M6 x 2 Omni Mount™ 

2

0

.0 (formerly 50)

 Series Mount

Cabinet finish

Grained Black Vinyl

Cabinet dimensions (HxWxD)

13.75" x 8.2" x 9.13" - 350 mm x 208 mm x 232 mm  

Cabinet weight

4.8 lbs  - 4.8 kg   

Shipping dimensions (HxWxD)

12.5" x 10.3" x 20.8" - 400 mm x 260mm x 527mm  

Shipping weight

24 lbs - 16 kg  

NOTES : 

(1) +/- 3 dB , measured at 1 meter in an anechoic chamber.

(2) Long term power handling capacity as defined in EIA standard RS426A.
(3) Averaged over specified bandwidth for half-space environment. For anechoic conditions the figure is to be decreased
by 3 dB.

Tannoy operates a policy of continuous research and development. The introduction of new materials or manufacturing
methods will always equal or exceed the published specifications which Tannoy reserve the right to alter without prior
notice. Please verify the latest specifications when dealing with critical applications.

Summary of Contents for ProtoJ

Page 1: ...Nearfield Monitor Reference Manual Tannoy North America Inc 335 Gage Ave Suite 1 Kitchener Ontario Canada N2M 5E1 Tel 519 745 1158 Fax 519 745 2364 Toll Free Dealer Faxline 800 525 7081 e mail inquiri...

Page 2: ...g 3 3 Console Reflections 3 4 Speaker Mounting 3 5 Bass Ports 3 6 Equalization 4 0 PERFORMANCE DATA 5 0 TECHNICAL SPECIFICATIONS 6 0 SERVICING 6 1 Cabinet finish 6 2 Driver removal 6 3 Crossover 6 4 L...

Page 3: ...8 2 208 mm 13 75 349 25 mm...

Page 4: ...Mount 50 Series wall brackets to accommodate wall mounting for easy and flexible 5 1 surround sound installs Proto J is designed to blend seamlessly with the Tannoy PS110B 5 1 Subwoofer to complete th...

Page 5: ...the microphone diaphragm which goes through the electronics and should eventually come out of the speakers as a positive pressure wave which should have the speaker cones moving towards you just like...

Page 6: ...are very close to a speaker system vertical head movements are significant because your movement represents a large change in angle of arc and therefore the number of degrees above and below the axis...

Page 7: ...ane in which we try to minimise the changes in physical time offset between the woofers and tweeters And we have to be honest it s not perfect the driver offset is still there but by stacking the woof...

Page 8: ...t will happen With the monitor on its side moving your head horizontally means you are now moving through all those rays or lobes where the wavefronts from the woofers and tweeters interfere with each...

Page 9: ...l speaker axis half way between the woofer and the tweeter Remember the earlier drawings showing your ears and the speaker these were to get your normal listening position lined up in the best spot po...

Page 10: ...wavefront and the reflected wavefront meet The big problem with this comb filtering is that you can t fix it with any terrestrial equalizer once the waves cancel there is nothing left to boost You ma...

Page 11: ...e other usual paraphernalia found in a studio environment Cleaning up this short sound path between the speak er and your listening position is like using a cotton bud on your ear You can repeat the p...

Page 12: ...al s about But we real ize that equalization is sometimes a necessary evil If you have a choice of equalizers for monitor applications less is more The fewer the number of filters the better the equal...

Page 13: ...E DATA 85 75 65 55 45 35 25 15 5 20 100 1 k 10k dB 95 105 On axis anechoic frequency response 30 10 3 1 Impedance 2 0 100 500 1 k 5 k 10k 20k 0 3 Ohms Figure 1 On axis anechoic frequency response Impe...

Page 14: ...Vinyl Cabinet dimensions HxWxD 13 75 x 8 2 x 9 13 350 mm x 208 mm x 232 mm Cabinet weight 4 8 lbs 4 8 kg Shipping dimensions HxWxD 12 5 x 10 3 x 20 8 400 mm x 260mm x 527mm Shipping weight 24 lbs 16 k...

Page 15: ...Crossover The crossover is mounted on the rear of the terminal panel To inspect it remove the panel by releasing the hexagonal screws Take care to avoid undue stress on the cables and components To re...

Page 16: ...E R I C A I N C Tannoy North America Inc 335 Gage Ave Suite 1 Kitchener Ontario Canada N2M 5E1 Tel 519 745 1158 Fax 519 745 2364 Toll Free Dealer Faxline 800 525 7081 e mail inquiries tannoyna com ww...

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